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567c097359
Warnings are added to net_server.cc when global_system_variables.log_warnings >= 4. When the above condition holds then: - All communication errors from net_serv.cc is also written to the error log. - In case of a of not being able to read or write a packet, a more detailed error is given. Other things: - Added detection of slaves that has hangup to Ack_receiver::run() - vio_close() is now first marking the socket closed before closing it. The reason for this is to ensure that the connection that gets a read error can check if the reason was that the socket was closed. - Add a new state to vio to be able to detect if vio is acive, shutdown or closed. This is used to detect if socket is closed by another thread. - Testing of the new warnings is done in rpl_get_lock.test - Suppress some of the new warnings in mtr to allow one to run some of the tests with -mysqld=--log-warnings=4. All test in the 'rpl' suite can now be run with this option. - Ensure that global.log_warnings are restored at test end in a way that allows one to use mtr --mysqld=--log-warnings=4. Reviewed-by: <serg@mariadb.org>,<brandon.nesterenko@mariadb.com>
29 lines
785 B
Text
29 lines
785 B
Text
include/master-slave.inc
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[connection master]
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connection slave;
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include/stop_slave.inc
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set @restore_slave_net_timeout= @@global.slave_net_timeout;
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set @@global.slave_net_timeout= 10;
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show status like 'Slave_heartbeat_period';;
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Variable_name Slave_heartbeat_period
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Value 60.000
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SET @saved_dbug= @@GLOBAL.debug_dbug;
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SET GLOBAL debug_dbug="+d,simulate_slave_heartbeat_network_error";
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include/start_slave.inc
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connection master;
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drop table if exists t1;
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CREATE TABLE t1 (a INT PRIMARY KEY);
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INSERT INTO t1 VALUES (1);
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connection slave;
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connection slave;
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SELECT * FROM t1;
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a
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1
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connection master;
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drop table t1;
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connection slave;
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include/stop_slave.inc
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SET GLOBAL debug_dbug=@saved_dbug;
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set @@global.slave_net_timeout= @restore_slave_net_timeout;
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include/start_slave.inc
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include/rpl_end.inc
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