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Backport Bug#45852 Semisynch: Last_IO_Error: Fatal error: Failed to run 'after_queue_event' hook

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Errors when send reply to master should never cause the IO thread
to stop, because master can fall back to async replication if it
does not get reply from slave.

The problem is fixed by deliberately ignoring the return value of
slaveReply.
This commit is contained in:
He Zhenxing 2009-10-12 20:57:30 +08:00
parent 55842061e7
commit 7d3d0fc303
1 changed files with 8 additions and 1 deletions
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9
plugin/semisync/semisync_slave_plugin.cc
View file

@ -99,9 +99,16 @@ int repl_semi_slave_queue_event(Binlog_relay_IO_param *param,
uint32 flags)
{
if (rpl_semi_sync_slave_status && semi_sync_need_reply)
return repl_semisync.slaveReply(param->mysql,
{
/*
We deliberately ignore the error in slaveReply, such error
should not cause the slave IO thread to stop, and the error
messages are already reported.
*/
(void) repl_semisync.slaveReply(param->mysql,
param->master_log_name,
param->master_log_pos);
}
return 0;
}