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| Current File : //home/usr.opt/mysql57/mysql-test/suite/rpl/t/rpl_semi_sync_wait_slave_count.test |
################################################################################
# WL#7169 Semisync: make master wait for more than one slave to ack back
#
# The worklog added semisync master variable
# rpl_semi_sync_master_wait_for_slave_count. The variable controls how many acks
# from different slaves the transaction should wait for.
#
# The test verifies rpl_semi_sync_master_wait_for_slave_count works well.
################################################################################
--source include/not_group_replication_plugin.inc
--source include/have_debug.inc
--let rpl_topology=1->2, 1->3, 1->4, 1->5
--source include/rpl_init.inc
CREATE TABLE t1(c1 INT);
--source include/rpl_sync.inc
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
--source include/install_semisync_master.inc
# It is for coverage test to cover the debug code.
SET GLOBAL rpl_semi_sync_master_trace_level= 255;
--echo ####################################################################
--echo # Test Case: Wait ack from 1 slave, but no semisync slave is enabled
--echo ####################################################################
--source include/save_semisync_yesno_tx.inc
# The statement will timeout, just make a smaller wait time.
SET GLOBAL rpl_semi_sync_master_timeout=3000;
INSERT INTO t1 VALUES(1);
--let $semi_sync_no_tx_increment= 1
--source include/assert_semisync_yesno_tx_increment.inc
--echo ###################################################################
--echo # Test Case: Wait ack from 1 slave, and 1 semisync slave is enabled
--echo ###################################################################
--let $rpl_connection_name= server_2
--source include/rpl_connection.inc
--source include/install_semisync_slave.inc
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
--source include/wait_for_semisync_master_status_on.inc
--source include/save_semisync_yesno_tx.inc
SET GLOBAL rpl_semi_sync_master_timeout=100000;
INSERT INTO t1 VALUES(3);
INSERT INTO t1 VALUES(4);
--let $semi_sync_yes_tx_increment= 2
--source include/assert_semisync_yesno_tx_increment.inc
--echo #########################################################################
--echo # Test Case: Wait ack from 2 slaves, but only 1 semisync slave is enabled
--echo #########################################################################
--source include/save_semisync_yesno_tx.inc
SET GLOBAL rpl_semi_sync_master_wait_for_slave_count = 2;
SET GLOBAL rpl_semi_sync_master_timeout=3000;
INSERT INTO t1 VALUES(10);
--let $semi_sync_no_tx_increment= 1
--source include/assert_semisync_yesno_tx_increment.inc
--echo #####################################################################
--echo # Test Case: Wait ack from 2 slaves, and 2 semisync slave are enabled
--echo #####################################################################
--let $rpl_connection_name= server_3
--source include/rpl_connection.inc
--source include/install_semisync_slave.inc
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
--source include/wait_for_semisync_master_status_on.inc
--source include/save_semisync_yesno_tx.inc
SET GLOBAL rpl_semi_sync_master_timeout = 100000;
INSERT INTO t1 VALUES(102);
INSERT INTO t1 VALUES(103);
--let $semi_sync_yes_tx_increment= 2
--source include/assert_semisync_yesno_tx_increment.inc
--echo ##########################################################################
--echo # Test Case: Wait ack from 3 slaves, but only 2 semisync slave are enabled
--echo ##########################################################################
--source include/save_semisync_yesno_tx.inc
SET GLOBAL rpl_semi_sync_master_wait_for_slave_count = 3;
SET GLOBAL rpl_semi_sync_master_timeout = 3000;
INSERT INTO t1 VALUES(100);
INSERT INTO t1 VALUES(101);
--let $semi_sync_no_tx_increment= 2
--source include/assert_semisync_yesno_tx_increment.inc
--echo ######################################################################
--echo # Test Case: Wait ack from 3 slaves, and 3 semisync slaves are enabled
--echo ######################################################################
--let $rpl_connection_name= server_4
--source include/rpl_connection.inc
--source include/install_semisync_slave.inc
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
--source include/wait_for_semisync_master_status_on.inc
--source include/save_semisync_yesno_tx.inc
SET GLOBAL rpl_semi_sync_master_timeout = 100000;
INSERT INTO t1 VALUES(102);
INSERT INTO t1 VALUES(103);
--let $semi_sync_yes_tx_increment= 2
--source include/assert_semisync_yesno_tx_increment.inc
--echo ######################################################################
--echo # Test Case: Verify only the transaction before replied ack position
--echo # can stop waiting and go ahead.
--echo ######################################################################
--let $rpl_connection_name= server_4
--source include/rpl_connection.inc
SET @original_debug = @@GLOBAL.debug;
SET GLOBAL debug = 'd,rpl_semisync_before_send_ack';
--let $rpl_connection_name= default
--source include/rpl_connection.inc
--source include/save_semisync_yesno_tx.inc
--send INSERT INTO t1 VALUES(104)
# Wait until above INSERT is replicated. It guarantees INSERT (104) is executed
# before INSERT(105)
--let $rpl_connection_name= server_2
--source include/rpl_connection.inc
--let $wait_condition= SELECT COUNT(*) FROM t1 WHERE c1 = 104
--source include/wait_condition.inc
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
--send INSERT INTO t1 VALUES(105)
# Wait until 105 is applied on both server_2 and server_3. It guarantees that
# master has received acks from both server_2 and server_3.
--let $rpl_connection_name= server_2
--source include/rpl_connection.inc
--let $wait_condition= SELECT COUNT(*) FROM t1 WHERE c1 = 105
--source include/wait_condition.inc
--let $rpl_connection_name= server_3
--source include/rpl_connection.inc
--let $wait_condition= SELECT COUNT(*) FROM t1 WHERE c1 = 105
--source include/wait_condition.inc
# Let server_4 send the first ack for INSERT (104)
--let $rpl_connection_name= server_4
--source include/rpl_connection.inc
SET DEBUG_SYNC = 'now SIGNAL continue';
--let $rpl_connection_name= default
--source include/rpl_connection.inc
--reap
--let $semi_sync_yes_tx_increment= 1
--source include/assert_semisync_yesno_tx_increment.inc
--source include/save_semisync_yesno_tx.inc
# Let server_4 send the first ack for INSERT (105)
--let $rpl_connection_name= server_4
--source include/rpl_connection.inc
SET DEBUG_SYNC = 'now SIGNAL continue';
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
--reap
--let $semi_sync_yes_tx_increment= 1
--source include/assert_semisync_yesno_tx_increment.inc
--echo ######################################################################
--echo # Test Case: Coverage test, it covers the branch that coming ack is
--echo # greater than the acked already received.
--echo ######################################################################
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
--source include/save_semisync_yesno_tx.inc
--send INSERT INTO t1 VALUES(130);
--let $rpl_connection_name= server_2
--source include/rpl_connection.inc
# The wait guarantees that it already sends the ack to master
--let $wait_condition= SELECT count(*) FROM t1 WHERE c1 = 130;
--source include/wait_condition.inc
SET @original_debug = @@GLOBAL.debug;
SET GLOBAL debug = 'd,rpl_semisync_before_send_ack';
--let $rpl_connection_name= server_3
--source include/rpl_connection.inc
# The wait guarantees that it already sends the ack to master
--let $wait_condition= SELECT count(*) FROM t1 WHERE c1 = 130;
--source include/wait_condition.inc
SET @original_debug = @@GLOBAL.debug;
SET GLOBAL debug = 'd,rpl_semisync_before_send_ack';
--let $rpl_connection_name= default
--source include/rpl_connection.inc
--send INSERT INTO t1 VALUES(131);
--let $rpl_connection_name= server_5
--source include/rpl_connection.inc
# The wait guarantees that it already sends the ack to master
--let $wait_condition= SELECT count(*) FROM t1 WHERE c1 = 131;
--source include/wait_condition.inc
--source include/install_semisync_slave.inc
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
--reap
--let $semi_sync_yes_tx_increment= 1
--source include/assert_semisync_yesno_tx_increment.inc
--source include/save_semisync_yesno_tx.inc
--let $rpl_connection_name= server_2
--source include/rpl_connection.inc
SET GLOBAL debug = @original_debug;
SET DEBUG_SYNC= 'now SIGNAL continue';
--let $rpl_connection_name= server_3
--source include/rpl_connection.inc
SET GLOBAL debug = @original_debug;
SET DEBUG_SYNC= 'now SIGNAL continue';
--let $rpl_connection_name= server_4
--source include/rpl_connection.inc
SET GLOBAL debug = @original_debug;
SET DEBUG_SYNC= 'now SIGNAL continue';
--let $rpl_connection_name= default
--source include/rpl_connection.inc
--reap
--let $semi_sync_yes_tx_increment= 1
--source include/assert_semisync_yesno_tx_increment.inc
--echo ######################################################################
--echo # Test Case: Verify it can work well when number of semisync slaves
--echo # is greater than rpl_semi_sync_master_wait_for_slave_count
--echo ######################################################################
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
SET GLOBAL rpl_semi_sync_master_wait_for_slave_count = 2;
--source include/save_semisync_yesno_tx.inc
INSERT INTO t1 VALUES(106);
INSERT INTO t1 VALUES(107);
# It guarantees semisync master get acks from all slaves.
--source include/rpl_sync.inc
--let $semi_sync_yes_tx_increment= 2
--source include/assert_semisync_yesno_tx_increment.inc
SET GLOBAL rpl_semi_sync_master_wait_for_slave_count = 4;
--source include/save_semisync_yesno_tx.inc
INSERT INTO t1 VALUES(108);
INSERT INTO t1 VALUES(109);
--let $semi_sync_yes_tx_increment= 2
--source include/assert_semisync_yesno_tx_increment.inc
--echo ######################################################################
--echo # Test Case: It should still keep the old value and works well when
--echo # setting rpl_semi_sync_master_wait_for_slave_count fails
--echo ######################################################################
SET @original_debug = @@GLOBAL.debug;
SET GLOBAL debug = 'd,rpl_semisync_simulate_allocate_ack_container_failure';
SET GLOBAL rpl_semi_sync_master_wait_for_slave_count = 2;
--let $assert_variable_name= rpl_semi_sync_master_wait_for_slave_count
--let $assert_variable_value= 4
--source include/assert_variable.inc
--source include/save_semisync_yesno_tx.inc
INSERT INTO t1 VALUES(110);
INSERT INTO t1 VALUES(111);
--let $semi_sync_yes_tx_increment= 2
--source include/assert_semisync_yesno_tx_increment.inc
SET GLOBAL rpl_semi_sync_master_wait_for_slave_count = 5;
--let $assert_variable_name= rpl_semi_sync_master_wait_for_slave_count
--let $assert_variable_value= 4
--source include/assert_variable.inc
--source include/save_semisync_yesno_tx.inc
INSERT INTO t1 VALUES(112);
INSERT INTO t1 VALUES(113);
--let $semi_sync_yes_tx_increment= 2
--source include/assert_semisync_yesno_tx_increment.inc
SET GLOBAL debug = @original_debug;
--echo ########################################################################
--echo # Test Case: Verify it works well when some semisync slaves shutdown and
--echo # rpl_semi_sync_master_wait_for_slave_count is decreased.
--echo ########################################################################
# This test requires semisync master is till on, even if it doesn't
# have enough slaves
SET GLOBAL rpl_semi_sync_master_wait_no_slave = 1;
# Transactions sould wait a long time, so they can succeed after
# rpl_semi_sync_master_wait_no_slave is decreased.
SET GLOBAL rpl_semi_sync_master_timeout = 90000000;
--let $rpl_connection_name= server_5
--source include/rpl_connection.inc
--source include/uninstall_semisync_slave.inc
--let $rpl_connection_name= server_4
--source include/rpl_connection.inc
--source include/uninstall_semisync_slave.inc
--let $rpl_connection_name= default
--source include/rpl_connection.inc
--source include/save_semisync_yesno_tx.inc
--send INSERT INTO t1 VALUES(201)
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
# It makes sure that master has received two acks
--source include/rpl_sync.inc
SET GLOBAL rpl_semi_sync_master_wait_for_slave_count = 2;
--let $rpl_connection_name= default
--source include/rpl_connection.inc
--reap
--let $semi_sync_yes_tx_increment= 1
--source include/assert_semisync_yesno_tx_increment.inc
--let $rpl_connection_name= server_3
--source include/rpl_connection.inc
--source include/uninstall_semisync_slave.inc
--let $rpl_connection_name= default
--source include/rpl_connection.inc
--source include/save_semisync_yesno_tx.inc
--send INSERT INTO t1 VALUES(202)
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
# It makes sure that master has received one ack
--source include/rpl_sync.inc
SET GLOBAL rpl_semi_sync_master_wait_for_slave_count = 1;
--let $rpl_connection_name= default
--source include/rpl_connection.inc
--reap
--let $semi_sync_yes_tx_increment= 1
--source include/assert_semisync_yesno_tx_increment.inc
--echo ########################################################################
--echo # Test Case: Verify semisync master will turn off immediately after a
--echo # a semisync slave unregistered and there are no enough
--echo # semisync slaves
--echo ########################################################################
SET GLOBAL rpl_semi_sync_master_wait_no_slave = 0;
--let $rpl_connection_name= server_2
--source include/rpl_connection.inc
--source include/uninstall_semisync_slave.inc
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
--source include/wait_for_semisync_master_status_off.inc
--echo ########################################################################
--echo # Coverage Test
--echo ########################################################################
# Nothing is changed if the new value equals to the original value
SET GLOBAL rpl_semi_sync_master_wait_for_slave_count = 4;
SET GLOBAL rpl_semi_sync_master_wait_for_slave_count = 4;
# Ack array should be cleaned when disabling semisync master
SET GLOBAL rpl_semi_sync_master_enabled= OFF;
SET GLOBAL rpl_semi_sync_master_enabled= OFF;
SET GLOBAL rpl_semi_sync_master_enabled= ON;
# Ack array should be freed when uninstalling semisync master
--source include/uninstall_semisync_master.inc
# end
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
DROP TABLE t1;
CALL mtr.add_suppression(".* Timeout waiting for reply of binlog .*");
CALL mtr.add_suppression(".* Failed to allocate memory for ack_array .*");
--source include/rpl_end.inc