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#Want to skip this test from daily Valgrind execution --source include/no_valgrind_without_big.inc # # Bug#11763573 - 56299: MUTEX DEADLOCK WITH COM_BINLOG_DUMP, BINLOG PURGE, AND PROCESSLIST/KILL # --source include/not_group_replication_plugin.inc source include/have_debug_sync.inc; source include/have_binlog_format_row.inc; source include/have_innodb.inc; source include/master-slave.inc; # # Testing that execution of two concurrent INSERTing connections both # triggering the binlog rotation is correct even though their execution # is interleaved. # The test makes the first connection to complete the rotation part # and yields control to the second connection that rotates as well and # gets first on purging. And the fact of interleaving does not create # any issue. # connection master; source include/show_binary_logs.inc; create table t1 (f text) engine=innodb; SET DEBUG_SYNC = 'at_purge_logs_before_date WAIT_FOR rotated'; send insert into t1 set f=repeat('a', 4096); connection master1; let $wait_condition= SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE STATE like "debug sync point: at_purge_logs_before_date%"; --source include/wait_condition_or_abort.inc --echo *** there must be two logs in the list *** source include/show_binary_logs.inc; insert into t1 set f=repeat('b', 4096); --echo *** there must be three logs in the list *** source include/show_binary_logs.inc; SET DEBUG_SYNC = 'now SIGNAL rotated'; --let $wait_condition= SELECT COUNT(*)=0 FROM information_schema.processlist WHERE state LIKE 'debug sync point: at_purge_logs_before_date%' --source include/wait_condition.inc SET DEBUG_SYNC = 'RESET'; # the first connection finally completes its INSERT connection master; reap; SET DEBUG_SYNC = 'RESET'; --source include/sync_slave_sql_with_master.inc # # Testing the reported deadlock involving DUMP, KILL and INSERT threads # connection master; SET DEBUG_SYNC = 'at_purge_logs_before_date WAIT_FOR rotated'; send insert into t1 set f=repeat('b', 4096); connection master1; # make sure INSERT reaches waiting point let $wait_condition= SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE STATE like "debug sync point: at_purge_logs_before_date%"; --source include/wait_condition_or_abort.inc # find and kill DUMP thread let $_tid= `select id from information_schema.processlist where command like 'Binlog Dump%' limit 1`; --disable_query_log eval kill query $_tid; --enable_query_log # # Now the proof is that the new DUMP thread has executed # a critical section of the deadlock without any regression and is UP # let $wait_condition= SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE command like 'Binlog Dump%' and STATE like "Master has sent all binlog to slave%"; --source include/wait_condition_or_abort.inc SET DEBUG_SYNC = 'now SIGNAL rotated'; --let $wait_condition= SELECT COUNT(*)=0 FROM information_schema.processlist WHERE state LIKE 'debug sync point: at_purge_logs_before_date%' --source include/wait_condition.inc SET DEBUG_SYNC = 'RESET'; connection master; reap; SET DEBUG_SYNC = 'RESET'; drop table t1; --source include/sync_slave_sql_with_master.inc --source include/rpl_end.inc