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Re: WL#4925 and multi-source replication



2013/3/14 Michael Widenius <monty@xxxxxxxxxxxx>

> I didn't think that sync_binlog=1 is required anymore for safe reliction.
> We are always using group commit in MariaDB 10.0 for the master, so
> the binary log will be synced for each group commit, which is safe.

I have to use it in a DRBD config. When testing this config, I killed
mysqld with SIGKILL and sync_binlog=0 and failover start binary log in old
position, that caused duplicates on slaves.

With sync_binlog=1, this happens no more.

How to configure how often group commits are fdatasynced ?

> This is of course something that a customer can sponsor us, if they think
> this would be useful for them....

We will discuss about that on March 27 ;)


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