Many thanks, I wanted to finalized on RAM requirement for one of my server so do we have any calculation method to choose intial RAM?
On Fri, Dec 2, 2011 at 12:06 AM, Reindl Harald <h.rei...@thelounge.net>wrote: > > > 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 > >
