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by gregburek
5575 days ago
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I found a benchmark from 2008 that details the problems with RAID10 and sourced it in a comment above [1]. These are just raw disk transfer numbers, though. I can only imagine how they would change as CPU usage/postgres load climbs. IIRC disk IO is network traffic and network traffic is CPU dependent, so as load increases, IO will suffer greatly. [1] http://news.ycombinator.com/item?id=2341425 |
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