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Current File : //home/usr.opt/mysql57/mysql-test/suite/rpl/t/rpl_rotate_purge_deadlock.test

#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

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