Re: How to debug very very slow file delete? (btrfs on md-raid5)

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On Tue, 25 Mar 2014 09:41:42 AM Marc MERLIN wrote:

> 4 hours to stat 700K files. That's bad...
> Even 11mn to restat them just to count them looks bad too.

One way to get an idea of where that's happening is to run the command with 
"strace -c" to build up a table of times spent in each system call, usecs per 
call (average) and number of calls.

Best of luck!
Chris
-- 
 Chris Samuel  :  http://www.csamuel.org/  :  Melbourne, VIC

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