[DRBD-user] Protocol B to improve mysql write performance.

Deepak.Mantri at shinsei-it.com Deepak.Mantri at shinsei-it.com
Tue Jun 17 10:19:29 CEST 2008

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

Hi norbert,

Yes we are using InnoDB.We have reduced the binlog file size to 256MB
from 512MB.
However changing this has had no change in db recovery timing.So we got
a suggestion that 
We go for protocol B. As that should increase the speed for InnoDb
recovery, inturn getting DB up fast.


-----Original Message-----
From: drbd-user-bounces at lists.linbit.com
[mailto:drbd-user-bounces at lists.linbit.com] On Behalf Of Norbert
Sent: Tuesday, June 17, 2008 4:09 PM
To: drbd-user at lists.linbit.com
Subject: Re: [DRBD-user] Protocol B to improve mysql write performance.

Am Dienstag, den 17.06.2008, 15:48 +0900 schrieb Deepak Mantri:
> However when we go for a abrupt shutdown of DB and the resources swing

> to Seconady the time db takes to come up is close to 15min.

Are you using InnoDB tables and transactions? If so, check the MySQL
logfile, rolling back transactions could take a while.


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