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# Test of options max_binlog_size and max_relay_log_size and
# how they act (if max_relay_log_size == 0, use max_binlog_size
# for relay logs too).
# Test of manual relay log rotation with FLUSH LOGS.
source include/master-slave.inc;
connection slave;
stop slave;
connection master;
--echo #
--echo # Generate a big enough master's binlog to cause relay log rotations
--echo #
create table t1 (a int);
let $1=800;
disable_query_log;
begin;
while ($1)
{
# eval means expand $ expressions
eval insert into t1 values( $1 );
dec $1;
}
enable_query_log;
drop table t1;
save_master_pos;
connection slave;
reset slave;
--echo #
--echo # Test 1
--echo #
set @my_max_binlog_size= @@global.max_binlog_size;
set global max_binlog_size=8192;
set global max_relay_log_size=8192-1; # mapped to 4096
select @@global.max_relay_log_size;
start slave;
sync_with_master;
--replace_result $MASTER_MYPORT MASTER_PORT
--replace_column 1 # 8 # 9 # 23 # 33 #
--vertical_results
show slave status;
--echo #
--echo # Test 2
--echo #
stop slave;
reset slave;
set global max_relay_log_size=(5*4096);
select @@global.max_relay_log_size;
start slave;
sync_with_master;
--replace_result $MASTER_MYPORT MASTER_PORT
--replace_column 1 # 8 # 9 # 23 # 33 #
--vertical_results
show slave status;
--echo #
--echo # Test 3: max_relay_log_size = 0
--echo #
stop slave;
reset slave;
set global max_relay_log_size=0;
select @@global.max_relay_log_size;
start slave;
sync_with_master;
--replace_result $MASTER_MYPORT MASTER_PORT
--replace_column 1 # 8 # 9 # 23 # 33 #
--vertical_results
show slave status;
--echo #
--echo # Test 4: Tests below are mainly to ensure that we have not coded with wrong assumptions
--echo #
stop slave;
reset slave;
# test of relay log rotation when the slave is stopped
# (to make sure it does not crash).
flush logs;
--replace_result $MASTER_MYPORT MASTER_PORT
--replace_column 1 # 8 # 9 # 23 # 33 #
--vertical_results
show slave status;
--echo #
--echo # Test 5
--echo #
reset slave;
start slave;
sync_with_master;
# test of relay log rotation when the slave is started
flush logs;
# We have now easy way to be sure that the SQL thread has now deleted the
# log we just closed. But a trick to achieve this is do an update on the master.
connection master;
create table t1 (a int);
save_master_pos;
connection slave;
sync_with_master;
--replace_result $MASTER_MYPORT MASTER_PORT
--replace_column 1 # 8 # 9 # 23 # 33 #
--vertical_results
show slave status;
--echo #
--echo # Test 6: one more rotation, to be sure Relay_Log_Space is correctly updated
--echo #
flush logs;
connection master;
drop table t1;
save_master_pos;
connection slave;
sync_with_master;
--replace_result $MASTER_MYPORT MASTER_PORT
--replace_column 1 # 8 # 9 # 23 # 33 #
--vertical_results
show slave status;
connection master;
# test that the absence of relay logs does not make a master crash
flush logs;
show master status;
# Restore max_binlog_size
connection slave;
set global max_binlog_size= @my_max_binlog_size;
--echo #
--echo # End of 4.1 tests
--echo #
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