| To: | xfs@xxxxxxxxxxx |
|---|---|
| Subject: | Re: deleting 2TB lots of files with delaylog: sync helps? |
| From: | Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx> |
| Date: | Tue, 31 Aug 2010 22:01:47 -0500 |
| In-reply-to: | <20100901000631.GO705@dastard> |
| References: | <201009010130.41500@xxxxxx> <20100901000631.GO705@dastard> |
| User-agent: | Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.9.2.8) Gecko/20100802 Thunderbird/3.1.2 |
Dave Chinner put forth on 8/31/2010 7:06 PM: > You're probably CPU bound, not IO bound. 7200 rpm is the highest spindle speed for 2TB drives--5400 is most common. None of them are going to do much over 200 random seeks/second, if that. That's 400 tops for two drives. Using any modern Intel/AMD ~2 GHz CPU, you think he's CPU bound? Apparently this "rm -rf" type operation is much more complex than I previously believed. -- Stan |
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