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a7127418a7
The bug case is similar to one fixed earlier bug_49536. Deadlock involving LOCK_log appears to be possible because the purge running thread is holding LOCK_log whereas there is no sense of doing that and which fact was exploited by the earlier bug fixes. Fixed with small reengineering of rotate_and_purge(), adding two new methods and setting up a policy to execute those instead of the former rotate_and_purge(RP_LOCK_LOG_IS_ALREADY_LOCKED). The policy for using rotate(), purge() is that if the caller acquires LOCK_log itself, it should call rotate(), release the mutex and run purge(). Side effect of this patch is refining error message of bug@11747416 to print the whole path.
70 lines
1.8 KiB
Plaintext
70 lines
1.8 KiB
Plaintext
#
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# Bug#11747416 : 32228 A disk full makes binary log corrupt.
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#
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#
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# The test demonstrates reading from binlog error propagation to slave
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# and reporting there.
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# Conditions for the bug include a crash at time of the last event to
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# the binlog was written partly. With the fixes the event is not sent out
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# any longer, but rather the dump thread sends out a sound error message.
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#
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# Crash is not simulated. A binlog with partly written event in its end is installed
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# and replication is started from it.
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#
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--source include/master-slave.inc
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--source include/have_binlog_format_mixed.inc
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#
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# Bug#13050593 swallows `\' from Last_IO_Error
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# todo: uncomment the filter once the bug is fixed.
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#
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--source include/not_windows.inc
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call mtr.add_suppression("Error in Log_event::read_log_event()");
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--connection master
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--let $datadir= `SELECT @@datadir`
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--let $rpl_server_number= 1
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--source include/rpl_stop_server.inc
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--remove_file $datadir/master-bin.000001
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--copy_file $MYSQL_TEST_DIR/std_data/bug11747416_32228_binlog.000001 $datadir/master-bin.000001
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--let $rpl_server_number= 1
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--source include/rpl_start_server.inc
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--source include/wait_until_connected_again.inc
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# evidence of the partial binlog
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--error ER_ERROR_WHEN_EXECUTING_COMMAND
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show binlog events;
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--connection slave
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call mtr.add_suppression("Slave I/O: Got fatal error 1236 from master when reading data from binary log");
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stop slave;
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reset slave;
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start slave;
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# ER_MASTER_FATAL_ERROR_READING_BINLOG 1236
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--let $slave_param=Last_IO_Errno
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--let $slave_param_value=1236
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--source include/wait_for_slave_param.inc
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--let $status_items= Last_IO_Errno, Last_IO_Error
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--source include/show_slave_status.inc
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#
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# Cleanup
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#
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--connection master
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reset master;
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--connection slave
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stop slave;
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reset slave;
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drop table t; # table was created from binlog. it does not exist on master.
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--echo End of the tests
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