[2.4] Serialization errors in single region/rack, due to each worker update every 1 minute

Bug #1756341 reported by Andres Rodriguez
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
MAAS
Fix Released
High
Blake Rouse

Bug Description

A lot of serialization errors on a single region/rack (It is node with ID=1) (see below).

Also, while MAAS is deploying/commissioning machines, I see https://pastebin.ubuntu.com/p/Y37HvkQx7F/. There's 4 errors, which seems to imply 4 workers.

2018-03-16 13:04:51.661 UTC [9139] LOG: listening on IPv4 address "127.0.0.1", port 5432
2018-03-16 13:04:51.662 UTC [9139] LOG: listening on Unix socket "/var/run/postgresql/.s.PGSQL.5432"
2018-03-16 13:04:51.674 UTC [9140] LOG: database system was shut down at 2018-03-16 13:04:50 UTC
2018-03-16 13:04:51.677 UTC [9139] LOG: database system is ready to accept connections
2018-03-16 13:04:52.252 UTC [9147] [unknown]@[unknown] LOG: incomplete startup packet
2018-03-16 13:06:01.782 UTC [9139] LOG: received fast shutdown request
2018-03-16 13:06:01.783 UTC [9139] LOG: aborting any active transactions
2018-03-16 13:06:01.786 UTC [9139] LOG: worker process: logical replication launcher (PID 9146) exited with exit code 1
2018-03-16 13:06:01.789 UTC [9141] LOG: shutting down
2018-03-16 13:06:01.796 UTC [9139] LOG: database system is shut down
2018-03-16 13:06:01.947 UTC [10575] LOG: listening on IPv4 address "127.0.0.1", port 5432
2018-03-16 13:06:01.948 UTC [10575] LOG: listening on Unix socket "/var/run/postgresql/.s.PGSQL.5432"
2018-03-16 13:06:01.957 UTC [10576] LOG: database system was shut down at 2018-03-16 13:06:01 UTC
2018-03-16 13:06:01.960 UTC [10575] LOG: database system is ready to accept connections
2018-03-16 13:06:02.541 UTC [10583] [unknown]@[unknown] LOG: incomplete startup packet
2018-03-16 13:06:04.333 UTC [10760] maas@template1 FATAL: password authentication failed for user "maas"
2018-03-16 13:06:04.333 UTC [10760] maas@template1 DETAIL: Role "maas" does not exist.
 Connection matched pg_hba.conf line 92: "host all all 127.0.0.1/32 md5"
2018-03-16 13:06:04.335 UTC [10761] maas@template1 FATAL: password authentication failed for user "maas"
2018-03-16 13:06:04.335 UTC [10761] maas@template1 DETAIL: Role "maas" does not exist.
 Connection matched pg_hba.conf line 92: "host all all 127.0.0.1/32 md5"
2018-03-16 13:06:04.552 UTC [10838] postgres@template1 ERROR: role "maas" does not exist
2018-03-16 13:06:04.552 UTC [10838] postgres@template1 STATEMENT: ALTER USER "maas"
2018-03-16 13:06:04.983 UTC [10995] postgres@maasdb FATAL: database "maasdb" does not exist
2018-03-16 13:06:25.868 UTC [11089] maas@maasdb ERROR: relation "maasserver_zone_serial_seq" already exists
2018-03-16 13:06:25.868 UTC [11089] maas@maasdb STATEMENT: CREATE SEQUENCE maasserver_zone_serial_seq INCREMENT BY 1
 MINVALUE 1 MAXVALUE 4294967295 CYCLE OWNED BY maasserver_dnspublication.serial;

2018-03-16 13:06:45.048 UTC [11436] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:06:45.048 UTC [11436] maas@maasdb STATEMENT: UPDATE "maasserver_regioncontrollerprocess" SET "updated" = '2018-03-16T13:06:44.790233'::timestamp WHERE "maasserver_regioncontrollerprocess"."id" = 1
2018-03-16 13:06:45.062 UTC [11444] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:06:45.062 UTC [11444] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:06:45.061018'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:06:45.204 UTC [11444] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:06:45.204 UTC [11444] maas@maasdb STATEMENT: UPDATE "maasserver_regioncontrollerprocess" SET "updated" = '2018-03-16T13:06:45.203814'::timestamp WHERE "maasserver_regioncontrollerprocess"."id" = 2
2018-03-16 13:06:45.229 UTC [11468] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:06:45.229 UTC [11468] maas@maasdb STATEMENT: UPDATE "maasserver_service" SET "updated" = '2018-03-16T13:06:45.228894'::timestamp, "status" = 'running' WHERE "maasserver_service"."id" = 3
2018-03-16 13:06:45.844 UTC [11494] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:06:45.844 UTC [11494] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:06:45.803510'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:06:45.995 UTC [11494] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:06:45.995 UTC [11494] maas@maasdb STATEMENT: UPDATE "maasserver_regioncontrollerprocess" SET "updated" = '2018-03-16T13:06:45.981264'::timestamp WHERE "maasserver_regioncontrollerprocess"."id" = 3
2018-03-16 13:06:46.402 UTC [11488] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:06:46.402 UTC [11488] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:06:46.294984'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:06:49.124 UTC [11504] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:06:49.124 UTC [11504] maas@maasdb CONTEXT: SQL statement "UPDATE maasserver_node SET managing_process_id = region_process.id
   WHERE maasserver_node.id = rack.id"
 PL/pgSQL function sys_core_set_new_region(maasserver_node) line 9 at SQL statement
 SQL statement "SELECT sys_core_set_new_region(rack_controller)"
 PL/pgSQL function sys_core_rpc_insert() line 14 at PERFORM
2018-03-16 13:06:49.124 UTC [11504] maas@maasdb STATEMENT: INSERT INTO "maasserver_regionrackrpcconnection" ("created", "updated", "endpoint_id", "rack_controller_id") VALUES ('2018-03-16T13:06:49.011263'::timestamp, '2018-03-16T13:06:49.011263'::timestamp, 4, 1) RETURNING "maasserver_regionrackrpcconnection"."id"
2018-03-16 13:06:49.264 UTC [11436] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:06:49.264 UTC [11436] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:06:49.244633'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:06:49.265 UTC [11482] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:06:49.265 UTC [11482] maas@maasdb CONTEXT: SQL statement "UPDATE maasserver_node SET managing_process_id = region_process.id
   WHERE maasserver_node.id = rack.id"
 PL/pgSQL function sys_core_set_new_region(maasserver_node) line 9 at SQL statement
 SQL statement "SELECT sys_core_set_new_region(rack_controller)"
 PL/pgSQL function sys_core_rpc_insert() line 14 at PERFORM
2018-03-16 13:06:49.265 UTC [11482] maas@maasdb STATEMENT: INSERT INTO "maasserver_regionrackrpcconnection" ("created", "updated", "endpoint_id", "rack_controller_id") VALUES ('2018-03-16T13:06:49.250851'::timestamp, '2018-03-16T13:06:49.250851'::timestamp, 3, 1) RETURNING "maasserver_regionrackrpcconnection"."id"
2018-03-16 13:06:52.416 UTC [11441] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:06:52.416 UTC [11441] maas@maasdb STATEMENT: DELETE FROM "maasserver_notification" WHERE "maasserver_notification"."id" IN (3)
2018-03-16 13:07:06.079 UTC [11534] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.085 UTC [11314] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.090 UTC [11468] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.092 UTC [11494] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.096 UTC [11310] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.097 UTC [11308] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.098 UTC [11306] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.100 UTC [11304] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.101 UTC [11302] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.101 UTC [11302] maas@maasdb LOG: unexpected EOF on client connection with an open transaction
2018-03-16 13:07:06.102 UTC [11300] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.103 UTC [11298] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.105 UTC [11296] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.106 UTC [11278] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.108 UTC [11513] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.109 UTC [11504] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.111 UTC [11488] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.113 UTC [11482] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.115 UTC [11479] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.116 UTC [11473] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.117 UTC [11453] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.119 UTC [11441] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.120 UTC [11439] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.121 UTC [11436] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.122 UTC [11524] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.124 UTC [11458] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:06.125 UTC [11444] maas@maasdb LOG: could not receive data from client: Connection reset by peer
2018-03-16 13:07:21.978 UTC [11873] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:07:21.978 UTC [11873] maas@maasdb STATEMENT: UPDATE "maasserver_regioncontrollerprocess" SET "updated" = '2018-03-16T13:07:21.922712'::timestamp WHERE "maasserver_regioncontrollerprocess"."id" = 5
2018-03-16 13:07:22.353 UTC [11873] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:07:22.353 UTC [11873] maas@maasdb STATEMENT: UPDATE "maasserver_service" SET "updated" = '2018-03-16T13:07:22.353078'::timestamp, "status_info" = '25% connected to region controllers.' WHERE "maasserver_service"."id" = 8
2018-03-16 13:07:22.379 UTC [11875] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:07:22.379 UTC [11875] maas@maasdb STATEMENT: UPDATE "maasserver_regioncontrollerprocess" SET "updated" = '2018-03-16T13:07:22.378972'::timestamp WHERE "maasserver_regioncontrollerprocess"."id" = 6
2018-03-16 13:07:22.432 UTC [11888] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:07:22.432 UTC [11888] maas@maasdb STATEMENT: UPDATE "maasserver_regioncontrollerprocess" SET "updated" = '2018-03-16T13:07:22.397079'::timestamp WHERE "maasserver_regioncontrollerprocess"."id" = 7
2018-03-16 13:07:22.716 UTC [11875] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:07:22.716 UTC [11875] maas@maasdb STATEMENT: UPDATE "maasserver_service" SET "updated" = '2018-03-16T13:07:22.715763'::timestamp, "status_info" = '0% connected to region controllers.' WHERE "maasserver_service"."id" = 8
2018-03-16 13:07:23.171 UTC [11873] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:07:23.171 UTC [11873] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:07:22.470775'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:07:23.172 UTC [11896] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:07:23.172 UTC [11896] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:07:22.581732'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:07:23.172 UTC [11875] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:07:23.172 UTC [11875] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:07:22.817116'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:07:23.242 UTC [11873] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:07:23.242 UTC [11873] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:07:23.222562'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:07:23.352 UTC [11873] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:07:23.352 UTC [11873] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:07:23.335998'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:07:24.819 UTC [11852] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:07:24.819 UTC [11852] maas@maasdb CONTEXT: SQL statement "UPDATE maasserver_node SET managing_process_id = region_process.id
   WHERE maasserver_node.id = rack.id"
 PL/pgSQL function sys_core_set_new_region(maasserver_node) line 9 at SQL statement
 SQL statement "SELECT sys_core_set_new_region(rack_controller)"
 PL/pgSQL function sys_core_rpc_insert() line 14 at PERFORM
2018-03-16 13:07:24.819 UTC [11852] maas@maasdb STATEMENT: INSERT INTO "maasserver_regionrackrpcconnection" ("created", "updated", "endpoint_id", "rack_controller_id") VALUES ('2018-03-16T13:07:24.742274'::timestamp, '2018-03-16T13:07:24.742274'::timestamp, 6, 1) RETURNING "maasserver_regionrackrpcconnection"."id"
2018-03-16 13:07:24.875 UTC [11877] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:07:24.875 UTC [11877] maas@maasdb CONTEXT: SQL statement "UPDATE maasserver_node SET managing_process_id = region_process.id
   WHERE maasserver_node.id = rack.id"
 PL/pgSQL function sys_core_set_new_region(maasserver_node) line 9 at SQL statement
 SQL statement "SELECT sys_core_set_new_region(rack_controller)"
 PL/pgSQL function sys_core_rpc_insert() line 14 at PERFORM
2018-03-16 13:07:24.875 UTC [11877] maas@maasdb STATEMENT: INSERT INTO "maasserver_regionrackrpcconnection" ("created", "updated", "endpoint_id", "rack_controller_id") VALUES ('2018-03-16T13:07:24.863502'::timestamp, '2018-03-16T13:07:24.863502'::timestamp, 5, 1) RETURNING "maasserver_regionrackrpcconnection"."id"
2018-03-16 13:07:24.875 UTC [11863] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:07:24.875 UTC [11863] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:07:24.867795'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:08:53.193 UTC [11875] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:08:53.193 UTC [11875] maas@maasdb STATEMENT: UPDATE "maasserver_service" SET "updated" = '2018-03-16T13:08:53.169790'::timestamp, "status" = 'off' WHERE "maasserver_service"."id" = 4
2018-03-16 13:09:22.556 UTC [12129] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:09:22.556 UTC [12129] maas@maasdb STATEMENT: UPDATE "maasserver_regioncontrollerprocess" SET "updated" = '2018-03-16T13:09:22.379879'::timestamp WHERE "maasserver_regioncontrollerprocess"."id" = 5
2018-03-16 13:09:22.606 UTC [11875] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:09:22.606 UTC [11875] maas@maasdb STATEMENT: UPDATE "maasserver_regioncontrollerprocess" SET "updated" = '2018-03-16T13:09:22.605989'::timestamp WHERE "maasserver_regioncontrollerprocess"."id" = 6
2018-03-16 13:09:22.622 UTC [11877] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:09:22.622 UTC [11877] maas@maasdb STATEMENT: UPDATE "maasserver_regioncontrollerprocess" SET "updated" = '2018-03-16T13:09:22.622172'::timestamp WHERE "maasserver_regioncontrollerprocess"."id" = 7
2018-03-16 13:09:22.895 UTC [11877] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:09:22.895 UTC [11877] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:09:22.715815'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:09:22.895 UTC [11875] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:09:22.895 UTC [11875] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:09:22.719805'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:09:22.895 UTC [11887] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:09:22.895 UTC [11887] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:09:22.743859'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:09:23.143 UTC [11875] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:09:23.143 UTC [11875] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:09:22.981560'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:09:23.143 UTC [11877] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:09:23.143 UTC [11877] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:09:22.987816'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:09:23.417 UTC [11875] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:09:23.417 UTC [11875] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:09:23.251810'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:10:22.082 UTC [11873] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:10:22.082 UTC [11873] maas@maasdb STATEMENT: UPDATE "maasserver_regioncontrollerprocess" SET "updated" = '2018-03-16T13:10:21.938138'::timestamp WHERE "maasserver_regioncontrollerprocess"."id" = 5
2018-03-16 13:10:22.377 UTC [11863] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:10:22.377 UTC [11863] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:10:22.243852'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:10:22.377 UTC [11850] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:10:22.377 UTC [11850] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:10:22.348937'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:10:22.574 UTC [11863] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:10:22.574 UTC [11863] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:10:22.422307'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:10:22.574 UTC [11887] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:10:22.574 UTC [11887] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:10:22.558908'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:10:22.660 UTC [11863] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:10:22.660 UTC [11863] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:10:22.610920'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:19:22.015 UTC [14002] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:19:22.015 UTC [14002] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:19:22.013792'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:22:22.085 UTC [14002] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:22:22.085 UTC [14002] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:22:22.084141'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:22:22.387 UTC [14599] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:22:22.387 UTC [14599] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:22:22.321535'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:23:22.462 UTC [14243] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:23:22.462 UTC [14243] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:23:22.212767'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:23:22.501 UTC [14599] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:23:22.501 UTC [14599] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:23:22.499462'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:23:22.957 UTC [14599] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:23:22.957 UTC [14599] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:23:22.608715'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:23:22.957 UTC [15010] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:23:22.957 UTC [15010] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:23:22.710849'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:23:23.451 UTC [14599] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:23:23.451 UTC [14599] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:23:23.058358'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:23:27.889 UTC [14507] maas@maasdb ERROR: could not obtain lock on row in relation "metadataserver_scriptset"
2018-03-16 13:23:27.889 UTC [14507] maas@maasdb STATEMENT: SELECT "metadataserver_scriptset"."id", "metadataserver_scriptset"."last_ping", "metadataserver_scriptset"."node_id", "metadataserver_scriptset"."result_type", "metadataserver_scriptset"."power_state_before_transition", "metadataserver_scriptset"."requested_scripts" FROM "metadataserver_scriptset" WHERE "metadataserver_scriptset"."id" = 8 FOR UPDATE NOWAIT
2018-03-16 13:24:22.212 UTC [15012] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:24:22.212 UTC [15012] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:24:22.102957'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:24:22.502 UTC [15122] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:24:22.502 UTC [15122] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:24:22.399510'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:24:22.798 UTC [15033] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:24:22.798 UTC [15033] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:24:22.687781'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:25:22.654 UTC [15012] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:25:22.654 UTC [15012] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:25:22.421342'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:25:22.655 UTC [15525] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:25:22.655 UTC [15525] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:25:22.590309'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:25:23.256 UTC [15525] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:25:23.256 UTC [15525] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:25:22.741103'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:25:23.256 UTC [15010] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:25:23.256 UTC [15010] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:25:22.828018'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:25:23.687 UTC [15525] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:25:23.687 UTC [15525] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:25:23.371286'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:26:01.325 UTC [15028] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:26:01.325 UTC [15028] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:26:01.318252'::timestamp WHERE "metadataserver_scriptset"."id" = 13
2018-03-16 13:26:01.326 UTC [15572] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:26:01.326 UTC [15572] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:26:01.324332'::timestamp WHERE "metadataserver_scriptset"."id" = 13
2018-03-16 13:26:02.450 UTC [15061] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:26:02.450 UTC [15061] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:26:02.435403'::timestamp WHERE "metadataserver_scriptset"."id" = 13
2018-03-16 13:26:21.719 UTC [15012] maas@maasdb ERROR: could not obtain lock on row in relation "metadataserver_scriptset"
2018-03-16 13:26:21.719 UTC [15012] maas@maasdb STATEMENT: SELECT "metadataserver_scriptset"."id", "metadataserver_scriptset"."last_ping", "metadataserver_scriptset"."node_id", "metadataserver_scriptset"."result_type", "metadataserver_scriptset"."power_state_before_transition", "metadataserver_scriptset"."requested_scripts" FROM "metadataserver_scriptset" WHERE "metadataserver_scriptset"."id" = 18 FOR UPDATE NOWAIT
2018-03-16 13:26:22.139 UTC [15007] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:26:22.139 UTC [15007] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:26:22.108980'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:26:22.523 UTC [14993] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:26:22.523 UTC [14993] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:26:22.444226'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:26:22.876 UTC [15061] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:26:22.876 UTC [15061] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:26:22.653581'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:26:32.026 UTC [14982] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:26:32.026 UTC [14982] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:26:32.016320'::timestamp WHERE "metadataserver_scriptset"."id" = 11
2018-03-16 13:26:33.151 UTC [15562] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:26:33.151 UTC [15562] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:26:33.151254'::timestamp WHERE "metadataserver_scriptset"."id" = 11
2018-03-16 13:26:34.251 UTC [14993] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:26:34.251 UTC [14993] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:26:34.250606'::timestamp WHERE "metadataserver_scriptset"."id" = 11
2018-03-16 13:27:22.015 UTC [15530] maas@maasdb ERROR: could not obtain lock on row in relation "metadataserver_scriptset"
2018-03-16 13:27:22.015 UTC [15530] maas@maasdb STATEMENT: SELECT "metadataserver_scriptset"."id", "metadataserver_scriptset"."last_ping", "metadataserver_scriptset"."node_id", "metadataserver_scriptset"."result_type", "metadataserver_scriptset"."power_state_before_transition", "metadataserver_scriptset"."requested_scripts" FROM "metadataserver_scriptset" WHERE "metadataserver_scriptset"."id" = 18 FOR UPDATE NOWAIT
2018-03-16 13:27:22.159 UTC [15011] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:27:22.159 UTC [15011] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:27:22.123295'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:27:22.499 UTC [14993] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:27:22.499 UTC [14993] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:27:22.380607'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:27:22.761 UTC [15029] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:27:22.761 UTC [15029] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:27:22.611157'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:27:28.345 UTC [15272] maas@maasdb ERROR: could not obtain lock on row in relation "metadataserver_scriptset"
2018-03-16 13:27:28.345 UTC [15272] maas@maasdb STATEMENT: SELECT "metadataserver_scriptset"."id", "metadataserver_scriptset"."last_ping", "metadataserver_scriptset"."node_id", "metadataserver_scriptset"."result_type", "metadataserver_scriptset"."power_state_before_transition", "metadataserver_scriptset"."requested_scripts" FROM "metadataserver_scriptset" WHERE "metadataserver_scriptset"."id" = 26 FOR UPDATE NOWAIT
2018-03-16 13:27:28.364 UTC [15272] maas@maasdb ERROR: could not obtain lock on row in relation "metadataserver_scriptset"
2018-03-16 13:27:28.364 UTC [15272] maas@maasdb STATEMENT: SELECT "metadataserver_scriptset"."id", "metadataserver_scriptset"."last_ping", "metadataserver_scriptset"."node_id", "metadataserver_scriptset"."result_type", "metadataserver_scriptset"."power_state_before_transition", "metadataserver_scriptset"."requested_scripts" FROM "metadataserver_scriptset" WHERE "metadataserver_scriptset"."id" = 26 FOR UPDATE NOWAIT
2018-03-16 13:27:28.416 UTC [15272] maas@maasdb ERROR: could not obtain lock on row in relation "metadataserver_scriptset"
2018-03-16 13:27:28.416 UTC [15272] maas@maasdb STATEMENT: SELECT "metadataserver_scriptset"."id", "metadataserver_scriptset"."last_ping", "metadataserver_scriptset"."node_id", "metadataserver_scriptset"."result_type", "metadataserver_scriptset"."power_state_before_transition", "metadataserver_scriptset"."requested_scripts" FROM "metadataserver_scriptset" WHERE "metadataserver_scriptset"."id" = 26 FOR UPDATE NOWAIT
2018-03-16 13:27:28.874 UTC [15060] maas@maasdb ERROR: could not obtain lock on row in relation "metadataserver_scriptset"
2018-03-16 13:27:28.874 UTC [15060] maas@maasdb STATEMENT: SELECT "metadataserver_scriptset"."id", "metadataserver_scriptset"."last_ping", "metadataserver_scriptset"."node_id", "metadataserver_scriptset"."result_type", "metadataserver_scriptset"."power_state_before_transition", "metadataserver_scriptset"."requested_scripts" FROM "metadataserver_scriptset" WHERE "metadataserver_scriptset"."id" = 26 FOR UPDATE NOWAIT
2018-03-16 13:27:59.667 UTC [15825] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:27:59.667 UTC [15825] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:27:59.663597'::timestamp WHERE "metadataserver_scriptset"."id" = 19
2018-03-16 13:28:12.196 UTC [15797] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:28:12.196 UTC [15797] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:28:12.177401'::timestamp WHERE "metadataserver_scriptset"."id" = 23
2018-03-16 13:28:13.433 UTC [15833] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:28:13.433 UTC [15833] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:28:13.433058'::timestamp WHERE "metadataserver_scriptset"."id" = 23
2018-03-16 13:28:14.597 UTC [15853] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:28:14.597 UTC [15853] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:28:14.596420'::timestamp WHERE "metadataserver_scriptset"."id" = 23
2018-03-16 13:28:14.725 UTC [15562] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:28:14.725 UTC [15562] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:28:14.721930'::timestamp WHERE "metadataserver_scriptset"."id" = 15
2018-03-16 13:28:15.913 UTC [15623] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:28:15.913 UTC [15623] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:28:15.913187'::timestamp WHERE "metadataserver_scriptset"."id" = 15
2018-03-16 13:28:16.992 UTC [15826] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:28:16.992 UTC [15826] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:28:16.992103'::timestamp WHERE "metadataserver_scriptset"."id" = 15
2018-03-16 13:28:20.302 UTC [15825] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:28:20.302 UTC [15825] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:28:20.290376'::timestamp WHERE "metadataserver_scriptset"."id" = 25
2018-03-16 13:28:20.303 UTC [15263] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:28:20.303 UTC [15263] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:28:20.280810'::timestamp WHERE "metadataserver_scriptset"."id" = 25
2018-03-16 13:28:21.471 UTC [15825] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:28:21.471 UTC [15825] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:28:21.450224'::timestamp WHERE "metadataserver_scriptset"."id" = 25
2018-03-16 13:28:21.491 UTC [15122] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:28:21.491 UTC [15122] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:28:21.490826'::timestamp WHERE "metadataserver_scriptset"."id" = 25
2018-03-16 13:28:22.724 UTC [15776] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:28:22.724 UTC [15776] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:28:22.721283'::timestamp WHERE "metadataserver_scriptset"."id" = 25
2018-03-16 13:28:22.821 UTC [15544] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:28:22.821 UTC [15544] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:28:22.820477'::timestamp WHERE "metadataserver_scriptset"."id" = 25
2018-03-16 13:28:30.061 UTC [15798] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:28:30.061 UTC [15798] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:28:30.057021'::timestamp WHERE "metadataserver_scriptset"."id" = 21
2018-03-16 13:28:41.207 UTC [15544] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:28:41.207 UTC [15544] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:28:41.201155'::timestamp WHERE "metadataserver_scriptset"."id" = 27
2018-03-16 13:28:50.259 UTC [15825] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:28:50.259 UTC [15825] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:28:50.254388'::timestamp WHERE "metadataserver_scriptset"."id" = 31
2018-03-16 13:28:50.703 UTC [15718] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:28:50.703 UTC [15718] maas@maasdb STATEMENT: UPDATE "metadataserver_scriptset" SET "last_ping" = '2018-03-16T13:28:50.699204'::timestamp WHERE "metadataserver_scriptset"."id" = 29
2018-03-16 13:33:22.154 UTC [16086] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:33:22.154 UTC [16086] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:33:22.152830'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:33:22.524 UTC [18522] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:33:22.524 UTC [18522] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:33:22.411532'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:33:22.856 UTC [19747] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:33:22.856 UTC [19747] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:33:22.678316'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:34:22.128 UTC [16086] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:34:22.128 UTC [16086] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:34:22.094923'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:34:22.933 UTC [18522] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:34:22.933 UTC [18522] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:34:22.698028'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:34:24.066 UTC [19747] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:34:24.066 UTC [19747] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:34:23.278590'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:35:22.115 UTC [19651] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:35:22.115 UTC [19651] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:35:22.114230'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:35:22.422 UTC [18522] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:35:22.422 UTC [18522] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:35:22.371841'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:35:22.745 UTC [19749] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:35:22.745 UTC [19749] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:35:22.649842'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:36:22.860 UTC [19427] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:36:22.860 UTC [19427] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:36:22.393813'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:36:22.860 UTC [21867] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:36:22.860 UTC [21867] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:36:22.680815'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:36:22.961 UTC [19673] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:36:22.961 UTC [19673] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:36:22.960379'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:36:23.314 UTC [19427] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:36:23.314 UTC [19427] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:36:22.907791'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:36:23.314 UTC [19673] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:36:23.314 UTC [19673] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:36:23.102176'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:36:23.834 UTC [19673] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:36:23.834 UTC [19673] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:36:23.415148'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:36:24.917 UTC [21235] maas@maasdb ERROR: could not obtain lock on row in relation "metadataserver_scriptset"
2018-03-16 13:36:24.917 UTC [21235] maas@maasdb STATEMENT: SELECT "metadataserver_scriptset"."id", "metadataserver_scriptset"."last_ping", "metadataserver_scriptset"."node_id", "metadataserver_scriptset"."result_type", "metadataserver_scriptset"."power_state_before_transition", "metadataserver_scriptset"."requested_scripts" FROM "metadataserver_scriptset" WHERE "metadataserver_scriptset"."id" = 35 FOR UPDATE NOWAIT
2018-03-16 13:37:22.229 UTC [19428] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:37:22.229 UTC [19428] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:37:22.084430'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:37:22.529 UTC [21867] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:37:22.529 UTC [21867] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:37:22.425571'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:37:22.788 UTC [19673] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:37:22.788 UTC [19673] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:37:22.687868'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:38:22.772 UTC [21866] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:38:22.772 UTC [21866] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:38:22.303838'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:38:22.772 UTC [21867] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:38:22.772 UTC [21867] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:38:22.613157'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:38:22.812 UTC [19749] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:38:22.812 UTC [19749] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:38:22.810761'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:38:23.229 UTC [21867] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:38:23.229 UTC [21867] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:38:22.835811'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:38:23.229 UTC [19749] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:38:23.229 UTC [19749] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:38:22.913995'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:38:23.637 UTC [21867] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:38:23.637 UTC [21867] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:38:23.322633'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:39:22.439 UTC [21235] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:39:22.439 UTC [21235] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:39:22.438064'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:39:22.636 UTC [19762] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:39:22.636 UTC [19762] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:39:22.581370'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:40:21.564 UTC [19671] maas@maasdb ERROR: could not obtain lock on row in relation "metadataserver_scriptset"
2018-03-16 13:40:21.564 UTC [19671] maas@maasdb STATEMENT: SELECT "metadataserver_scriptset"."id", "metadataserver_scriptset"."last_ping", "metadataserver_scriptset"."node_id", "metadataserver_scriptset"."result_type", "metadataserver_scriptset"."power_state_before_transition", "metadataserver_scriptset"."requested_scripts" FROM "metadataserver_scriptset" WHERE "metadataserver_scriptset"."id" = 37 FOR UPDATE NOWAIT
2018-03-16 13:40:22.772 UTC [25313] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:40:22.772 UTC [25313] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:40:22.419845'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:40:22.772 UTC [24477] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:40:22.772 UTC [24477] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:40:22.692861'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:40:23.323 UTC [25313] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:40:23.323 UTC [25313] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:40:22.879818'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:40:23.323 UTC [27318] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:40:23.323 UTC [27318] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:40:22.946798'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:40:23.711 UTC [25313] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:40:23.711 UTC [25313] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:40:23.432054'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:41:22.245 UTC [22482] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:41:22.245 UTC [22482] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:41:22.111828'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:41:22.464 UTC [26117] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:41:22.464 UTC [26117] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:41:22.378789'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:41:22.740 UTC [27396] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:41:22.740 UTC [27396] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:41:22.634994'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:42:22.529 UTC [25313] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:42:22.529 UTC [25313] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:42:22.352957'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1
2018-03-16 13:42:22.808 UTC [25238] maas@maasdb ERROR: could not serialize access due to concurrent update
2018-03-16 13:42:22.808 UTC [25238] maas@maasdb STATEMENT: UPDATE "maasserver_node" SET "updated" = '2018-03-16T13:42:22.683816'::timestamp, "status_expires" = NULL WHERE "maasserver_node"."id" = 1

Tags: performance

Related branches

Changed in maas:
milestone: none → 2.4.0beta1
tags: added: performance
Changed in maas:
importance: Undecided → High
status: New → Triaged
assignee: nobody → Blake Rouse (blake-rouse)
description: updated
Revision history for this message
Andres Rodriguez (andreserl) wrote :

Other errors happen every 1 minute: https://pastebin.ubuntu.com/p/6zB53kWXJk/

summary: - [2.4] Serialization errors in single region/rack
+ [2.4] Serialization errors in single region/rack, every 1 minute
summary: - [2.4] Serialization errors in single region/rack, every 1 minute
+ [2.4] Serialization errors in single region/rack, due to each worker
+ update every 1 minute
Changed in maas:
status: Triaged → In Progress
Changed in maas:
milestone: 2.4.0beta1 → 2.4.0beta2
Changed in maas:
status: In Progress → Fix Committed
milestone: 2.4.0beta2 → 2.4.0beta1
Changed in maas:
status: Fix Committed → Fix Released
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