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<TITLE>Re: [Openstack] Caching strategies in Nova ...</TITLE>
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On 3/23/12 10:50 AM, "Brian Lamar" <<a href="brian.lamar@rackspace.com">brian.lamar@rackspace.com</a>> wrote:<BR>
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On Mar 23, 2012, at 11:22 AM, Kevin L. Mitchell wrote:<BR>
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> On Fri, 2012-03-23 at 08:55 -0300, Sandy Walsh wrote:<BR>
>> I don't doubt for a second the db is the culprit for many of our woes.<BR>
>><BR>
>> The thing I like about internal caching using established tools is<BR>
>> that<BR>
>> it works for db issues too without having to resort to custom tables.<BR>
>> SQL query optimization, I'm sure, will go equally far.<BR>
><BR>
> For that matter, I wouldn't be surprised if there were things we could<BR>
> do to nova's DB to speed things up. For instance, what if we supported<BR>
> non-SQL data stores?<BR>
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Any database is going to be slow if you're talking to it more than necessary. Even if we replaced MySQL with the latest and greatest web-scale noSQL database out there we'd still be slow. I'd love to see a combination effort of improving the flexibility of the DB layer as well as improvements surrounding the sheer number of calls to the database.<BR>
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> --<BR>
> Kevin L. Mitchell <<a href="kevin.mitchell@rackspace.com">kevin.mitchell@rackspace.com</a>><BR>
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