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use pt-online-schema-change to optimize table?
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Jacky Shu  
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 More options Mar 23 2012, 1:39 pm
From: Jacky Shu <jackys...@gmail.com>
Date: Fri, 23 Mar 2012 10:39:23 -0700 (PDT)
Local: Fri, Mar 23 2012 1:39 pm
Subject: use pt-online-schema-change to optimize table?
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All,

We know it is risky to optimize a big table because of table locking.
I was wondering whether pt OSC can also optimize table? Just like
there is no schema change.

Thanks,

Jacky


 
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Baron Schwartz  
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 More options Mar 24 2012, 10:20 am
From: Baron Schwartz <ba...@percona.com>
Date: Sat, 24 Mar 2012 10:20:33 -0400
Local: Sat, Mar 24 2012 10:20 am
Subject: Re: use pt-online-schema-change to optimize table?
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Yes. You should be able to do --alter "engine=innodb" for this purpose.
This is essentially what OPTIMIZE does anyway.

On 03/23/2012 01:39 PM, Jacky Shu wrote:


 
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Baron Schwartz  
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 More options Mar 28 2012, 10:56 am
From: Baron Schwartz <ba...@percona.com>
Date: Wed, 28 Mar 2012 10:56:06 -0400
Local: Wed, Mar 28 2012 10:56 am
Subject: Re: use pt-online-schema-change to optimize table?
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I wanted to follow up on this thread. For anyone who is interested in following progress on the new pt-online-schema-change, the code is public here:

https://code.launchpad.net/~percona-toolkit-dev/percona-toolkit/pt-os...

It is in the process of being ripped apart and put back together. Features are incomplete or missing, and the documentation hasn't been updated.  But you may be interested to look at it anyway, and/or look at the spec we're implementing: https://blueprints.launchpad.net/percona-toolkit/+spec/redesign-pt-on...

- Baron

On Mar 23, 2012, at 1:39 PM, Jacky Shu wrote:

--
Win free MySQL conference tickets! http://goo.gl/mvZ4W

 
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