Should I upgrade memory for my dedicated server?

Posted by mc1000 on Server Fault See other posts from Server Fault or by mc1000
Published on 2010-05-02T19:29:00Z Indexed on 2010/05/02 19:38 UTC
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memory

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innodb

My memory usage hangs around 25% (swap is generally 1%) on my dedicated server and load is around 2-5.

My host recommended that I upgrade from 2GB of ram to 4GB so that I can increase my innodb_buffer from the default 16MB to 2GB. My innodb table size is 2GB.

My question is, given that ram usage is 25% does it make sense to upgrade ram? Queries are hanging sometimes, so I'm thinking that a bigger innodb_buffer could decrease load on the database, just not sure if I really need to upgrade my ram first.

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