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93 lines
2.3 KiB
Text
93 lines
2.3 KiB
Text
# Test of options max_binlog_size and max_relay_log_size and
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# how they act (if max_relay_log_size == 0, use max_binlog_size
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# for relay logs too).
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# Test of manual relay log rotation with FLUSH LOGS.
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source include/master-slave.inc;
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connection slave;
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stop slave;
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connection master;
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# Generate a big enough master's binlog to cause relay log rotations
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create table t1 (a int);
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let $1=800;
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disable_query_log;
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begin;
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while ($1)
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{
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# eval means expand $ expressions
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eval insert into t1 values( $1 );
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dec $1;
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}
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enable_query_log;
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drop table t1;
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save_master_pos;
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connection slave;
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reset slave;
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set global max_binlog_size=8192;
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set global max_relay_log_size=8192-1; # mapped to 4096
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select @@global.max_relay_log_size;
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start slave;
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sync_with_master;
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--replace_result $MASTER_MYPORT MASTER_PORT
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--replace_column 1 # 33 #
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show slave status;
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stop slave;
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reset slave;
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set global max_relay_log_size=(5*4096);
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select @@global.max_relay_log_size;
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start slave;
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sync_with_master;
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--replace_result $MASTER_MYPORT MASTER_PORT
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--replace_column 1 # 33 #
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show slave status;
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stop slave;
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reset slave;
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set global max_relay_log_size=0;
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select @@global.max_relay_log_size;
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start slave;
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sync_with_master;
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--replace_result $MASTER_MYPORT MASTER_PORT
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--replace_column 1 # 33 #
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show slave status;
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# Tests below are mainly to ensure that we have not coded with wrong assumptions
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stop slave;
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reset slave;
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# test of relay log rotation when the slave is stopped
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# (to make sure it does not crash).
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flush logs;
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--replace_result $MASTER_MYPORT MASTER_PORT
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--replace_column 1 # 33 #
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show slave status;
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reset slave;
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start slave;
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sync_with_master;
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# test of relay log rotation when the slave is started
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flush logs;
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# We have now easy way to be sure that the SQL thread has now deleted the
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# log we just closed. But a trick to achieve this is do an update on the master.
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connection master;
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create table t1 (a int);
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save_master_pos;
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connection slave;
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sync_with_master;
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--replace_result $MASTER_MYPORT MASTER_PORT
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--replace_column 1 # 33 #
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show slave status;
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# one more rotation, to be sure Relay_Log_Space is correctly updated
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flush logs;
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connection master;
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drop table t1;
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save_master_pos;
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connection slave;
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sync_with_master;
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--replace_result $MASTER_MYPORT MASTER_PORT
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--replace_column 1 # 33 #
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show slave status;
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connection master;
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# test that the absence of relay logs does not make a master crash
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flush logs;
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show master status;
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