Messages in this thread | | | Date | Wed, 17 Nov 2004 15:55:06 +1100 | From | Nathan Scott <> | Subject | Re: 2.6.9: unkillable processes during heavy IO |
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On Tue, Nov 16, 2004 at 08:01:56PM -0800, Andrew Morton wrote: > Brad Fitzpatrick <brad@danga.com> wrote: > > > > Here is the information requested regarding the regular lockup we're > > seeing (details in original post at bottom) > > yup, that looks like a locking tangle in the XFS direct-io code. > > Nathan, this is 2.6.9.
Hmmm, yeah, looks like it - bother.
> > On Sun, 14 Nov 2004, Brad Fitzpatrick wrote: > > > > > We have two database servers which freeze up during heavy IO load. The
Brad, could you send me details on how you've setup mysqld and how to generate a load similar to yours, so that I can reproduce the hang locally?
> > > The hardware/software stack is: > > > > > > - Dual Opteron 246, SMP kernel, w/ NUMA > > > - 9 GB of memory (4GB in one zone, 5GB in the other) > > > - MySQL, running mostly InnoDB, but some MyISAM
( I don't even know what those two things are, so you can probably guess at the level of assistance I'll need here. :)
thanks!
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