[CentOS] Very slow on I/O?

Tue Aug 22 20:37:29 UTC 2006
Nielsen, Steve <SNielsen at comscore.com>

In general what is the best way to see what has changed in a new CentOS
kernel? (apart from looking at the %changelog)

Steve

-----Original Message-----
From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On
Behalf Of Johnny Hughes
Sent: Tuesday, August 22, 2006 3:07 PM
To: CentOS ML
Subject: Re: [CentOS] Very slow on I/O?

On Tue, 2006-08-22 at 11:52 -0700, David King wrote:
> >> Just one more piece of information: a simple recompile isn't what  
> >> has fixed the problem every time, the recompile has involved an  
> >> upgrade to 2.6.16 as well
> > There is a bad patch to the vm that makes the box use swap even  
> > when there is free RAM space available. Maybe that is what you are  
> > seeing.
> 
> I don't think so, swap usage is only 440k
> 
> > The fix will be in the 4.4 release kernel.
> 
> What kernel version will be in 4.4? I can look this up myself too if  
> someone can kindly give me a pointer :)
> _______________________________________________

2.6.9-42.EL (on the 4.4 CD when released)

or

2.6.9-42.0.2.EL (new out today ... will be an update)