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###############################################################################
# This test verifies certification info garbage collection metrics.
#
# Test:
# 0. The test requires two servers: M1.
# 1. Start Group Replication and force a garbage collect
# high number on write set of certification info.
# 2. Run some transactions on the group to increase
# garbage collection size.
# 3. Remove certification info higher gtid set ref and
# enable debug point that will simulate a one time
# overflow on garbage collect counter.
# 4. As certification garbage collect simulates an overflow
# it will not delete values from certification info.
# 5. Assert there are 3000 rows on certification info.
# 6. Remove debug point, already unset in the code
# 7. Execute one more transaction to update stable set and
# garbage collect will clean certification info.
# 8. Cleanup
###############################################################################
--source include/have_debug.inc
--source include/big_test.inc
--source include/not_valgrind.inc
--source include/not_asan.inc
--source include/have_group_replication_plugin.inc
--let $rpl_skip_group_replication_start= 1
--source include/group_replication.inc
--echo
--echo ############################################################
--echo # 1. Start Group Replication and force a garbage collect
--echo # high number on write set of certification info.
--source include/start_and_bootstrap_group_replication.inc
--let $debug_point=group_replication_ci_rows_counter_high
--source include/add_debug_point.inc
--echo
--echo ############################################################
--echo # 2. Run some transactions on the group to increase
--echo # garbage collection size.
CREATE TABLE t1 (c1 INT NOT NULL PRIMARY KEY, c2 INT UNIQUE KEY NOT NULL, c3 INT UNIQUE KEY NOT NULL);
--disable_query_log
--let $cnt=1000
while($cnt)
{
--eval INSERT INTO t1 VALUES ($cnt, $cnt, $cnt)
--dec $cnt
}
--enable_query_log
--echo
--echo ############################################################
--echo # 3. Remove certification info higher gtid set ref and
--echo # enable debug point that will simulate a one time
--echo # overflow on garbage collect counter.
--let $debug_point=group_replication_ci_rows_counter_high
--source include/remove_debug_point.inc
--let $debug_point=group_replication_garbage_collect_counter_overflow
--source include/add_debug_point.inc
--echo
--echo ############################################################
--echo # 4. As certification garbage collect simulates an overflow
--echo # it will not delete values from certification info.
--let $gtid_executed = `SELECT @@GLOBAL.gtid_executed`
--let $wait_timeout= 150
--let $wait_condition= SELECT received_transaction_set="$gtid_executed" FROM performance_schema.replication_connection_status WHERE channel_name="group_replication_applier";
--source include/wait_condition.inc
--echo
--echo ############################################################
--echo # 5. Assert there are 3000 rows on certification info.
--let $count_transactions_validating= query_get_value(SELECT Count_transactions_rows_validating from performance_schema.replication_group_member_stats where member_id in (SELECT @@server_uuid), Count_transactions_rows_validating, 1)
--let $assert_text= 'Count_transactions_rows_validating must be 3000'
--let $assert_cond= $count_transactions_validating = 3000
--source include/assert.inc
--echo
--echo ############################################################
--echo # 6. Remove debug point, already unset in the code
--let $debug_point=group_replication_garbage_collect_counter_overflow
--source include/remove_debug_point.inc
--echo
--echo ############################################################
--echo # 7. Execute one more transaction to update stable set and
--echo # garbage collect will clean certification info.
INSERT INTO t1 VALUES (1001, 1001, 1001);
--let $wait_timeout= 150
--let $wait_condition= SELECT Count_transactions_rows_validating=3 FROM performance_schema.replication_group_member_stats WHERE member_id IN (SELECT @@server_uuid)
--source include/wait_condition.inc
--echo
--echo #################################################################
--echo # 8. Cleanup
DROP TABLE t1;
--source include/group_replication_end.inc
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