Am 01.12.2011 18:56, schrieb Stdranwl: > Hi, will it help to use swap memory on MYSQL's VM. We are in planning to > use 10GB RAM and 10 GB as swap on a perticular server? thanx
SWAP is always bad and should only be a reserve so normally you should have as much memory as needed for the application (per-connections-buffersxmac_connetions, key_buffer_size, buffer_pool) and 20-40% reserve, additional i wuld recommend 1-2 GB SWAP to help the OS in stress-situations but never, independent for which service, you should see SWAp as additional memory because if it is heavily used/needed the performance will suck
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