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MySQL on SAN or DAS w/ replication
Posted by: Khalid Shaikh
Date: October 23, 2009 05:43PM


We have a DB server with 500qps. Its doing about 20 000 reads per second with iostat -x 1 and 5 000 writes per second.

The server is disk i/o bound. It is running at Engine Yard w/ a SAN by CoRaid.

My recommendation is to move this onto separate direct attach storage machines with master/slave replication in the short term.

In the long term we will break up the large tables with sharding.

Any feedback would be appreciated. Is SAN better? Is DAS better? Etc.

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MySQL on SAN or DAS w/ replication
October 23, 2009 05:43PM

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