Maybe you have never tested your system with more RAM, or maybe you are curious, whats the effect to feed a starving system. The system in this example had 1G RAM, it runs Oracle 10g server. This is a SWAP usage graph. On June i added 1 more G, and you can see the effect. It now uses 12..25M of SWAP memory compared to 500..700M. Less SWAP means less disk I/O. So lets feed our pure starving servers with more RAM.
Sunday, November 4, 2007
SWAP usage on Linux
Maybe you have never tested your system with more RAM, or maybe you are curious, whats the effect to feed a starving system. The system in this example had 1G RAM, it runs Oracle 10g server. This is a SWAP usage graph. On June i added 1 more G, and you can see the effect. It now uses 12..25M of SWAP memory compared to 500..700M. Less SWAP means less disk I/O. So lets feed our pure starving servers with more RAM.
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