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"Add a column "Timestamp_of_last_master_event_executed" in SHOW SLAVE STATUS". Finally this is adding - Slave_IO_State (a copy of the State column of SHOW PROCESSLIST for the I/O thread, so that the users, most of the time, has enough info with only SHOW SLAVE STATUS). - Seconds_behind_master. When the slave connects to the master it does SELECT UNIX_TIMESTAMP() on the master, computes the absolute difference between the master's and the slave's clock. It records the timestamp of the last event executed by the SQL thread, and does a small computation to find the number of seconds by which the slave is late.
48 lines
1.3 KiB
Text
48 lines
1.3 KiB
Text
#
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# Testing of setting slave to wrong log position with master_log_pos
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#
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source include/master-slave.inc;
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show master status;
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sync_slave_with_master;
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--replace_result 3306 MASTER_PORT 9306 MASTER_PORT 3334 MASTER_PORT 3336 MASTER_PORT
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--replace_column 33 #
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show slave status;
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stop slave;
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change master to master_log_pos=73;
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start slave;
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sleep 5;
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stop slave;
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change master to master_log_pos=73;
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--replace_result 3306 MASTER_PORT 9306 MASTER_PORT 3334 MASTER_PORT 3336 MASTER_PORT
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--replace_column 33 #
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show slave status;
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start slave;
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sleep 5;
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--replace_result 3306 MASTER_PORT 9306 MASTER_PORT 3334 MASTER_PORT 3336 MASTER_PORT
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--replace_column 33 #
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show slave status;
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stop slave;
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change master to master_log_pos=173;
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--replace_result 3306 MASTER_PORT 9306 MASTER_PORT 3334 MASTER_PORT 3336 MASTER_PORT
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start slave;
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sleep 2;
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--replace_result 3306 MASTER_PORT 9306 MASTER_PORT 3334 MASTER_PORT 3336 MASTER_PORT
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--replace_column 33 #
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show slave status;
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connection master;
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show master status;
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create table if not exists t1 (n int);
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drop table if exists t1;
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create table t1 (n int);
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insert into t1 values (1),(2),(3);
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save_master_pos;
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connection slave;
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stop slave;
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change master to master_log_pos=79;
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start slave;
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sync_with_master;
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select * from t1;
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connection master;
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drop table t1;
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sync_slave_with_master;
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