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# ==== Purpose ====
#
# Test verifies that auto purging mechanism of relay logs works fine when the
# file extension grows beyond 999999.
#
# ==== Implementation ====
#
# Steps:
# 0 - In master-slave setup clear all the relay logs on the slave server.
# 1 - Start the slave so that new relay logs starting from
# 'slave-relay-bin.000001' are created.
# 2 - Get the active relay-log file name by using SHOW SLAVE STATUS.
# Shutdown the slave server.
# 3 - Rename active relay log to '999997' in both 'relay-log.info' and
# 'slave-relay-bin.index' files.
# 4 - Restart the slave server by configuring 'slave_parallel_threads=1'
# and 'max_relay_log_size=100K'.
# 5 - Generate load on master such that few relay logs are generated on
# slave. The relay log sequence number will change to 7 digits.
# 6 - Sync slave with master to ensure that relay logs are applied on
# slave. They should have been automatically purged.
# 7 - Assert that there is no 'slave-relay-bin.999999' file in
# 'relay-log.info'.
#
# ==== References ====
#
# MDEV-8134: The relay-log is not flushed after the slave-relay-log.999999
# showed
#
--source include/have_innodb.inc
--source include/have_binlog_format_row.inc
--let $rpl_topology=1->2
--source include/rpl_init.inc
--connection server_2
--source include/stop_slave.inc
RESET SLAVE;
--source include/start_slave.inc
--source include/stop_slave.inc
--let $relay_log=query_get_value(SHOW SLAVE STATUS, Relay_Log_File, 1)
--echo #
--echo # Stop slave server
--echo #
--let $datadir = `select @@datadir`
--exec echo "wait" > $MYSQLTEST_VARDIR/tmp/mysqld.2.expect
--shutdown_server 10
--source include/wait_until_disconnected.inc
--exec sed -i "s/$relay_log/slave-relay-bin.999997/g" $datadir/relay-log.info
--exec sed -i "s/$relay_log/slave-relay-bin.999997/g" $datadir/slave-relay-bin.index
--echo #
--echo # Simulate file number get close to 999997
--echo # by renaming relay logs and modifying index/info files
--move_file $datadir/$relay_log $datadir/slave-relay-bin.999997
--echo #
--echo # Restart slave server
--echo #
--exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.2.expect
--enable_reconnect
--source include/wait_until_connected_again.inc
SET @save_slave_parallel_threads= @@GLOBAL.slave_parallel_threads;
SET @save_max_relay_log_size= @@GLOBAL.max_relay_log_size;
SET GLOBAL slave_parallel_threads=1;
SET GLOBAL max_relay_log_size=100 * 1024;
--source include/start_slave.inc
--connection server_1
create table t1 (i int, c varchar(1024));
--echo #
--echo # Insert some data to generate enough amount of binary logs
--echo #
--let $count = 1000
--disable_query_log
while ($count)
{
eval insert into t1 values (1001 - $count, repeat('a',1000));
dec $count;
}
--enable_query_log
--save_master_pos
--connection server_2
--sync_with_master
--let $relay_log=query_get_value(SHOW SLAVE STATUS, Relay_Log_File, 1)
--echo #
--echo # Assert that 'slave-relay-bin.999999' is purged.
--echo #
let SEARCH_FILE=$datadir/slave-relay-bin.index;
let SEARCH_PATTERN=slave-relay-bin.999999;
source include/search_pattern_in_file.inc;
--source include/stop_slave.inc
SET GLOBAL slave_parallel_threads= @save_slave_parallel_threads;
SET GLOBAL max_relay_log_size= @save_max_relay_log_size;
--source include/start_slave.inc
--connection server_1
DROP TABLE t1;
--source include/rpl_end.inc
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