Re: Strange performance change 59 -> 61/62

From: Martin J. Bligh (mbligh@aracnet.com)
Date: Sat Feb 22 2003 - 03:10:46 EST


> OK. We used to only run mark_inode_dirty() for atime updates just when it
> had actually changed. ie: once per second. But for reasons which remain
> obscure that was taken out.
>
> This probably explains your ext3 woes. Poor old ext3 has to do a ton of work
> in ext3_mark_inode_dirty(), yet on 99% of the calls, nothing has even
> changed. Which is why I suggested that you retest ext3 with noatime.

Shall do - tommorow ;-)
 
> I shall fix it up.

Sounds great - thank you,

M.

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