| To: | "Igor A. Valcov" <viaprog@xxxxxxxxx> |
|---|---|
| Subject: | Re: XFS filesystem performance drop in kernels 2.6.16+ |
| From: | Eric Sandeen <sandeen@xxxxxxxxxxx> |
| Date: | Thu, 09 Nov 2006 21:36:38 -0600 |
| Cc: | linux-kernel <linux-kernel@xxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx |
| In-reply-to: | <bde600590611090930g3ab97aq3c76d7bca4ec267f@mail.gmail.com> |
| References: | <bde600590611090930g3ab97aq3c76d7bca4ec267f@mail.gmail.com> |
| Sender: | xfs-bounce@xxxxxxxxxxx |
| User-agent: | Thunderbird 1.5.0.8 (Macintosh/20061025) |
Igor A. Valcov wrote: I also noticed that I/O barriers were introduced in v2.6.16 and thought they may be the cause, but mounting the file system with 'nobarrier' doesn't seem to affect the performance in any way. did this happen to be a remount with nobarrier, or a fresh mount? -Eric |
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