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82 lines
2.6 KiB
Plaintext
82 lines
2.6 KiB
Plaintext
#
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# Testing reconnecting by slave as specified by `slave_net_timeout'
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#
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# Bug #50296 Slave reconnects earlier than the prescribed slave_net_timeout value
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#
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--source include/have_csv.inc
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--source include/master-slave.inc
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# save global env
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connection master;
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set @save_general_log = @@global.general_log;
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set @save_log_output = @@global.log_output;
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connection slave;
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set @save_slave_net_timeout = @@global.slave_net_timeout;
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connection master;
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set @@global.general_log = ON;
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set @@global.log_output = 'table,file';
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connection slave;
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--source include/stop_slave.inc
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--disable_warnings
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set @@global.slave_net_timeout = @@global.net_read_timeout * 2;
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--enable_warnings
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let $idle_time=`select @@global.slave_net_timeout * 2`;
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#
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# if heartbeat is disabled then reconnecting to the idle master
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# should happen with `slave_net_timeout' period.
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# Since it's the real time that is measured, `slave_net_timeout'
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# merely guarantees that reconnecting can *not* happen earlier of a value specified.
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# That is there can't an exact estimate for how many time it will happen.
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#
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# The following lines verify that having idle master
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# for more than 2 * slave_net_timeout seconds and
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# slave.net_read_timeout < slave_net_timeout
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# won't cause reconnecting by the slave within at least
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# slave_net_timeout interval.
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--replace_result $MASTER_MYPORT MASTER_PORT
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eval change master to master_host = '127.0.0.1',master_port = $MASTER_MYPORT,
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master_user = 'root', master_heartbeat_period = 0;
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let $slave_net_timeout = `select @@global.slave_net_timeout`;
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--source include/start_slave.inc
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--disable_query_log
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--disable_result_log
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eval select 'master is idle for ', sleep($idle_time);
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--enable_result_log
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--enable_query_log
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--source include/stop_slave.inc
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# querying general-log
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connection master;
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# In particular the last reconnection timestamp must be greater or equal to
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# the previous one + slave_net_timeout
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select event_time from (select event_time from mysql.general_log as t_1 where command_type like 'Connect' order by event_time desc limit 2) as t_2 order by event_time desc limit 1 into @ts_last;
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select event_time from (select event_time from mysql.general_log as t_1 where command_type like 'Connect' order by event_time desc limit 2) as t_2 order by event_time asc limit 1 into @ts_prev;
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--disable_query_log
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eval select time_to_sec(@ts_last) - $slave_net_timeout >= time_to_sec(@ts_prev) into @result;
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--enable_query_log
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select @result as 'Must be 1';
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# cleanup
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# restore global env
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connection master;
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set @@global.general_log = @save_general_log;
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set @@global.log_output = @save_log_output;
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connection slave;
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set @@global.slave_net_timeout = @save_slave_net_timeout;
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