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Date: Fri, 30 Jan 2009 22:55:47 +0100 From: Lorenzo Allegrucci <l.allegrucci@...il.com> To: jens.axboe@...cle.com Cc: linux-kernel@...r.kernel.org Subject: SSD and IO schedulers Hi, I was wondering how IO schedulers such as as-iosched, deadline and cfq behave on SSD (that have virtually no seek time), from a theoretical point of view. How do they affect performance on these devices? I heard that the noop scheduler is often chosen by owners of EeePcs (with a SSD unit). They report superior performance by using this (quite simple) scheduler. Are there any scientific benchmarks around? -- Lorenzo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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