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| Current File : //usr/opt/mysql57/mysql-test/suite/group_replication/t/gr_certifier_garbage_collection2.test |
################################################################################
# Validate that certification info garbage collection do not purge more data
# than it should.
#
# Test:
# 0. The test requires two servers: M1 and M2.
# 1. Create a table on server1.
# 2. Set a debug sync before broadcast message to group on
# connection server_1.
# Commit a transaction that will be block before broadcast.
# 3. Wait until server_1 connection reaches the
# group_replication_before_message_broadcast debug sync point.
# 4. Execute a transaction on server2, that will reach first
# certification, since server_1 is blocked before broadcast.
# 5. Suspend pipeline on server2.
# 6. Resume the transaction on server_1
# 7. Make sure the pipeline is suspended on server2.
# 8. Wait until certification info garbage collector does
# its work.
# 9. Resume the pipeline on server2.
# 10. Execute a new transaction in order to have a sync point
# to make the test deterministic,
# Validate that data and GTIDs are correct.
# 11. Clean up.
################################################################################
--source include/have_debug_sync.inc
--source include/big_test.inc
--source ../inc/have_group_replication_plugin.inc
--source ../inc/group_replication.inc
--echo
--echo ############################################################
--echo # 1. Create a table on server1.
CREATE TABLE t1(a INT, b INT, PRIMARY KEY(a));
INSERT INTO t1 VALUE(1, 1);
--source include/rpl_sync.inc
--echo
--echo ############################################################
--echo # 2. Set a debug sync before broadcast message to group on
--echo # connection server_1.
--echo # Commit a transaction that will be block before broadcast.
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
SET @@GLOBAL.DEBUG='+d,group_replication_before_message_broadcast';
BEGIN;
UPDATE t1 SET b=10 WHERE a=1;
--send COMMIT
--echo
--echo ############################################################
--echo # 3. Wait until server_1 connection reaches the
--echo # group_replication_before_message_broadcast debug sync point.
--let $rpl_connection_name= server1
--source include/rpl_connection.inc
--let $wait_condition=SELECT COUNT(*)=1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE State = 'debug sync point: now'
--source include/wait_condition.inc
--echo
--echo ############################################################
--echo # 4. Execute a transaction on server2, that will reach first
--echo # certification, since server_1 is blocked before broadcast.
--let $rpl_connection_name= server2
--source include/rpl_connection.inc
UPDATE t1 SET b=20 WHERE a=1;
--echo
--echo ############################################################
--echo # 5. Suspend pipeline on server2.
SET @@GLOBAL.DEBUG='+d,group_replication_before_apply_data_packet';
--echo
--echo ############################################################
--echo # 6. Resume the transaction on server_1
--let $rpl_connection_name= server1
--source include/rpl_connection.inc
SET DEBUG_SYNC='now SIGNAL waiting';
SET @@GLOBAL.DEBUG='-d,group_replication_before_message_broadcast';
--let $rpl_connection_name= server_1
--source include/rpl_connection.inc
--error ER_TRANSACTION_ROLLBACK_DURING_COMMIT
--reap
--echo
--echo ############################################################
--echo # 7. Make sure the pipeline is suspended on server2.
--let $rpl_connection_name= server2
--source include/rpl_connection.inc
--let $wait_condition=SELECT COUNT(*)=1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE State = 'debug sync point: now'
--source include/wait_condition.inc
--echo
--echo ############################################################
--echo # 8. Wait until certification info garbage collector does
--echo # its work.
--let $gtid_assignment_block_size= `SELECT @@GLOBAL.group_replication_gtid_assignment_block_size;`
--let $expected_gtid_set= $group_replication_group_name:1-4:1000002
if ($gtid_assignment_block_size == 1)
{
--let $expected_gtid_set= $group_replication_group_name:1-5
}
--let $wait_condition= SELECT transactions_committed_all_members = "$expected_gtid_set" from performance_schema.replication_group_member_stats;
--let $wait_timeout= 150
--source include/wait_condition.inc
--echo
--echo ############################################################
--echo # 9. Resume the pipeline on server2.
SET DEBUG_SYNC='now SIGNAL continue_apply';
SET @@GLOBAL.DEBUG='-d,group_replication_before_apply_data_packet';
--echo
--echo ############################################################
--echo # 10. Execute a new transaction in order to have a sync point
--echo # to make the test deterministic,
--echo # Validate that data and GTIDs are correct.
--let $rpl_connection_name= server1
--source include/rpl_connection.inc
INSERT INTO t1 VALUE(2, 2);
--source include/rpl_sync.inc
--let $expected_gtid_set= $group_replication_group_name:1-5:1000002
if ($gtid_assignment_block_size == 1)
{
--let $expected_gtid_set= $group_replication_group_name:1-6
}
--let $assert_text= GTID_EXECUTED must contain 6 transactions
--let $assert_cond= "[SELECT @@GLOBAL.GTID_EXECUTED]" = "$expected_gtid_set";
--source include/assert.inc
--let $rpl_connection_name= server2
--source include/rpl_connection.inc
--let $assert_text= GTID_EXECUTED must contain 6 transactions
--let $assert_cond= "[SELECT @@GLOBAL.GTID_EXECUTED]" = "$expected_gtid_set";
--source include/assert.inc
--let $diff_tables=server1:t1, server2:t1
--source include/diff_tables.inc
--echo
--echo ############################################################
--echo # 11. Clean up.
DROP TABLE t1;
--source ../inc/group_replication_end.inc