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Re: OS Upgrade Considerations For XFS Volume

To: Bharathiraja P <raja@xxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
Subject: Re: OS Upgrade Considerations For XFS Volume
From: Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx>
Date: Thu, 27 Nov 2014 23:20:24 -0600
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <CANoQhnbjv08FVe0iRFff0fNMV7u7POY9kPtAhCbe_Vz=d8kPxg@xxxxxxxxxxxxxx>
References: <CANoQhnbjv08FVe0iRFff0fNMV7u7POY9kPtAhCbe_Vz=d8kPxg@xxxxxxxxxxxxxx>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.2.0
On 11/27/2014 08:29 AM, Bharathiraja P wrote:
> Hi there,
> 
> We recently upgraded our database system from OpenSuSE-11.4 to OpenSuSE-13.1
> 
> Post the upgrade we are noticing load spikes on our database system.
> 
> OpenSuSE 11.4 uses kernel-2.6.37 and OpenSuSE-13.1 uses kernel-3.11.10
> 
> There seems to be some changes related to XFS in new kernel and I'm
> getting this error when I run xfs_logprint

The two major XFS defaults changes here are:

1.  Delayed logging
2.  inode64 allocator

Read about each.  They should not be impacting performance of a DB
workload nor system load.

Stan

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