WSREP reporting conflict state 7 after post commit
Affects | Status | Importance | Assigned to | Milestone | ||
---|---|---|---|---|---|---|
MySQL patches by Codership | Status tracked in 5.6 | |||||
5.5 |
New
|
Undecided
|
Unassigned | |||
5.6 |
New
|
Undecided
|
Unassigned | |||
Percona XtraDB Cluster moved to https://jira.percona.com/projects/PXC |
Fix Committed
|
High
|
Unassigned |
Bug Description
In an architecture having Cluster1 and Cluster2 Geographically distributed.
Having C1Node1 Master of C2Node1, and C2Node1 Master of C1Node (so master master config).
After a real conflict on C2Node1
Note] WSREP: cluster conflict due to high priority abort for threads:
140418 10:46:04 [Note] WSREP: Winning thread:
THD: 21, mode: applier, state: executing, conflict: no conflict, seqno: 327797628
SQL: (null)
140418 10:46:04 [Note] WSREP: Victim thread:
THD: 4, mode: local, state: executing, conflict: cert failure, seqno: -1
SQL: (null)
140418 10:46:04 [Note] WSREP: BF kill (1, seqno: 327797628), victim: (4) trx: 837775944
140418 10:46:04 [Note] WSREP: Aborting query: void
140418 10:46:04 [Note] WSREP: victim 837775944 in state 7
140418 10:46:04 [Warning] Slave SQL: Could not execute Write_rows event on table phl_joomla3.
140418 10:46:04 [Warning] WSREP: thd 4 seqno 327797637: conflict state 7 after post commit
140418 10:46:04 [Warning] WSREP: thd 4 seqno 327797640: conflict state 7 after post commit
140418 10:46:04 [Warning] Slave SQL: Could not execute Write_rows event on table phl_joomla3.
WSREP continue to report :
[Warning] WSREP: thd 4 seqno 335847121: conflict state 7 after post commit
For ever.
To stop the message Slave SQL thread must be stop/start.
Message comes from wsrep_hton.cc
line 470 -497
...
if (thd->wsrep_
{
WSREP_
}
...
In short it seems that the status wsrep_conflict_
I had a chat with Teemu and he asked me to open the bug report.
Changed in percona-xtradb-cluster: | |
status: | New → Fix Committed |
importance: | Undecided → High |
milestone: | none → future-5.6 |
Percona now uses JIRA for bug reports so this bug report is migrated to: https:/ /jira.percona. com/browse/ PXC-1000