Edit File: rpl_relayspace.test
# The slave is started with relay_log_space_limit=10 bytes, # to force the deadlock after one event. source include/master-slave.inc; --let $master_log_file= query_get_value(SHOW MASTER STATUS, File, 1) connection slave; --source include/stop_slave.inc connection master; # This will generate a master's binlog > 10 bytes create table t1 (a int); drop table t1; create table t1 (a int); drop table t1; connection slave; reset slave; start slave io_thread; # Give the I/O thread time to block. let $slave_param= Slave_IO_State; let $slave_param_value= Waiting for the slave SQL thread to free enough relay log space; source include/wait_for_slave_param.inc; # A bug caused the I/O thread to refuse stopping. --source include/stop_slave_io.inc reset slave; --source include/start_slave.inc # The I/O thread stops filling the relay log when it's >10b. And the # SQL thread cannot purge this relay log as purge is done only when # the SQL thread switches to another relay log, which does not exist # here. So we should have a deadlock. If it is not resolved # automatically we'll detect it with master_pos_wait that waits for # farther than 1Ob; it will timeout after 300 seconds (which is inline # with the default used for sync_slave_with_master and will protect us # against slow test envs); also the slave will probably not cooperate # to shutdown (as 2 threads are locked) --let $outcome= `SELECT MASTER_POS_WAIT('$master_log_file',200,300) AS mpw;` # master_pos_wait returns: # # * >= 0, the number of events the slave had to wait to advance to the # position # # * -1, if there was a timeout # # * NULL, if an error occurred, or the SQL thread was not started, # slave master info is not initialized, the arguments are incorrect --let $assert_text= Assert that master_pos_wait does not timeout nor it returns NULL --let $assert_cond= $outcome IS NOT NULL AND $outcome <> -1 --source include/assert.inc # End of 4.1 tests --source include/rpl_end.inc
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