tokudb.rows-32m-seq-insert testcase is unstable

[Laurynas Biveinis]

http://jenkins.percona.com/job/percona-server-5.6-trunk/476/BUILD_TYPE=release,Host=ubuntu-vivid-64bit/consoleText:

tokudb.rows-32m-seq-insert w4 [ fail ]
        Test ended at 2015-09-15 17:16:49

CURRENT_TEST: tokudb.rows-32m-seq-insert
mysqltest: At line 33: query 'optimize table t' failed: 2013: Lost connection to MySQL server during query

The result from queries just before the failure was:
< snip >
insert into t (v) values (repeat('a',(32*1024*1024-4)*rand()));
insert into t (v) values (repeat('a',(32*1024*1024-4)*rand()));
insert into t (v) values (repeat('a',(32*1024*1024-4)*rand()));
insert into t (v) values (repeat('a',(32*1024*1024-4)*rand()));
insert into t (v) values (repeat('a',(32*1024*1024-4)*rand()));
insert into t (v) values (repeat('a',(32*1024*1024-4)*rand()));
insert into t (v) values (repeat('a',(32*1024*1024-4)*rand()));
insert into t (v) values (repeat('a',(32*1024*1024-4)*rand()));
insert into t (v) values (repeat('a',(32*1024*1024-4)*rand()));
insert into t (v) values (repeat('a',(32*1024*1024-4)*rand()));
insert into t (v) values (repeat('a',(32*1024*1024-4)*rand()));
insert into t (v) values (repeat('a',(32*1024*1024-4)*rand()));
insert into t (v) values (repeat('a',(32*1024*1024-4)*rand()));
insert into t (v) values (repeat('a',(32*1024*1024-4)*rand()));
insert into t (v) values (repeat('a',(32*1024*1024-4)*rand()));
insert into t (v) values (repeat('a',(32*1024*1024-4)*rand()));
set global max_allowed_packet=@my_max_allowed_packet;
check table t;
Table Op Msg_type Msg_text
test.t check status OK

More results from queries before failure can be found in /mnt/workspace/percona-server-5.6-trunk/BUILD_TYPE/release/Host/ubuntu-vivid-64bit/build/mysql-test/var/4/log/rows-32m-seq-insert.log

Server [mysqld.1 - pid: 11098, winpid: 11098, exit: 256] failed during test run
Server log from this test:
----------SERVER LOG START-----------
----------SERVER LOG END-------------

 - saving '/mnt/workspace/percona-server-5.6-trunk/BUILD_TYPE/release/Host/ubuntu-vivid-64bit/build/mysql-test/var/4/log/tokudb.rows-32m-seq-insert/' to '/mnt/workspace/percona-server-5.6-trunk/BUILD_TYPE/release/Host/ubuntu-vivid-64bit/build/mysql-test/var/log/tokudb.rows-32m-seq-insert/'

[George Ormond Lorch III (gl-az)]

https://tokutek.atlassian.net/browse/DB-963

[Shahriyar Rzayev (rzayev-sehriyar)]

Percona now uses JIRA for bug reports so this bug report is migrated to: https://jira.percona.com/browse/PS-2123