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Replication:

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Now the I/O thread (in flush_master_info()) flushes the relay log to disk
after reading every event. Slower but provides additionnal safety in case
of brutal crash.
I had to make the flush optional (i.e. add a if(some_bool_argument) in the function)
because sometimes flush_master_info() is called when there is no usable
relay log (the relay log's IO_CACHE is not initialized so can't be flushed).
This commit is contained in:
guilhem@gbichot2
2003-11-23 17:02:59 +01:00
parent 9b4050c406
commit 05e5a35bf2
6 changed files with 35 additions and 36 deletions
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7
sql/sql_repl.cc
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@@ -1085,8 +1085,11 @@ int change_master(THD* thd, MASTER_INFO* mi)
strmake(mi->master_log_name, mi->rli.group_master_log_name,
sizeof(mi->master_log_name)-1);
}
flush_master_info(mi);
/*
Relay log's IO_CACHE may not be inited, if rli->inited==0 (server was never
a slave before).
*/
flush_master_info(mi, 0);
if (need_relay_log_purge)
{
relay_log_purge= 1;