Re: New dirty tricks in Red Hat 5.x

From: Noons <>
Date: Wed, 20 May 2009 18:47:32 +1000
Message-ID: <gv0g1c$ias$>

Mladen Gogala wrote,on my timestamp of 20/05/2009 4:28 PM:
> 1) CFS and ionice

> Kernels newer then 2.6.13 come with the "CFS" (Completely Fair
> Scheduler) I/O scheduler which can assign I/O priorities to processes.
> ionice -c 1 -n 0 -p `pgrep -f lgwr` will assign the highest real-time
> priority to the oracle log writer. If two or more processes have
> something to write to the same disk, log writer will always get there
> first. The same thing can be done with DBWR as well. There isn't much

Thanks, Mladen. Good info.
How's Ext4 coming along? They fixed the corruption stuff yet?

Now: don't get me started on how to get Aix to load Oracle into large-pages...

IBM's Power6 rocks, though! Received on Wed May 20 2009 - 03:47:32 CDT

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