Re: Enhancement request -- performance improvement

[rh]

Yes, it is io bound.  Darn it. I looked at iostat and saw right away.
I first looked at vmstat but I was lulled into .....believing.

Eric Blake wrote:
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> According to rh on 4/16/2008 12:14 PM:
> | Hello,
> | Running du -sk on an apache disk cache containing 10GB of data and
> | 30,000 directories and   files
> | I see du using maybe .03% of the cpu.  It takes an hour for it to 
> complete.
>
> Probably because du is I/O intensive; the cpu is probably rather idle
> because most of your time is spent waiting on the disk to spin to the 
> next
> inode to inspect.
>
> |
> | Are there any plans to make du multi-threaded?  Or otherwise improve
> | it's performance? Is it filesystem sensitive? We are using ext3.
>
> I doubt multi-threading will help an I/O bound process.
>
> - --
> Don't work too hard, make some time for fun as well!
>
> Eric Blake             address@hidden
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