| To: | Dave Chinner <david@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: how to increase speed to iterate all file's name in a XFS , about million files. |
| From: | hank peng <pengxihan@xxxxxxxxx> |
| Date: | Wed, 29 Sep 2010 08:55:08 +0800 |
| Cc: | linux-xfs@xxxxxxxxxxx |
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| In-reply-to: | <20100929004809.GI5665@dastard> |
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2010/9/29 Dave Chinner <david@xxxxxxxxxxxxx>: > On Wed, Sep 29, 2010 at 08:28:08AM +0800, hank peng wrote: >> Hi: >> I have a XFS file system which contains about million files in it. I >> want to iterate all file's name using readdir function and I found >> that a little time-consuming. >> Anybody to suggest a way to increase its speed? > > In what way was it time consuming? IO bound? CPU bound? something > else? > I think it is IO bound, file names information is scattered in whole partition, right? > Cheers, > > Dave. > -- > Dave Chinner > david@xxxxxxxxxxxxx > -- The simplest is not all best but the best is surely the simplest! |
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