| Current Path : /home/usr.opt/mysql57/mysql-test/suite/rpl/t/ |
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| Current File : //home/usr.opt/mysql57/mysql-test/suite/rpl/t/rpl_reset_slave_all_thread_safe.test |
################################################################################
# BUG# reset slave all is not thread-safe
#
# RESET SLAVE ALL could delete a channel, even master_pos_wait and
# wait_until_sql_thread_after_gtid were still waiting for binlog to be applied.
# It caused server crash when the functions tried to access the channel which
# had been deleted.
#
# A channel reference counter is added. It should be increased if the channel
# should not be deleted when the code is running. RESET SLAVE ALL will wait
# for no reference and then delete the channel.
################################################################################
--source include/not_group_replication_plugin.inc
--source include/have_gtid.inc
--source include/have_debug_sync.inc
--source include/have_binlog_format_row.inc
--source include/master-slave.inc
--echo #
--echo # Case 1: Verify master_pos_wait can block RESET SLAVE ALL
--echo #
--source include/rpl_connection_slave.inc
# Just wait immediately after entering the function. RESET SLAVE ALL
# should be blocked by it.
SET debug_sync = "begin_master_pos_wait SIGNAL wait_func_begin WAIT_FOR wait_func_continue";
--send SELECT master_pos_wait("master-bin.000001", 10000);
--source extra/rpl_tests/rpl_reset_slave_all_thread_safe.inc
--echo #
--echo # Case 2: Verify wait_for_gtid_set can block RESET SLAVE ALL
--echo #
--source include/rpl_connection_slave.inc
--source include/start_slave.inc
# Just wait immediately after entering the function. RESET SLAVE ALL
# should be blocked by it.
SET debug_sync = "begin_wait_for_gtid_set SIGNAL wait_func_begin WAIT_FOR wait_func_continue";
--send SELECT wait_until_sql_thread_after_gtids(CONCAT(@@GLOBAL.server_uuid, ":100"))
--source extra/rpl_tests/rpl_reset_slave_all_thread_safe.inc
# Cleanup
--let $rpl_only_running_threads= 1
--source include/rpl_end.inc