# ==== 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