[colug-432] 200 line kernel patch

Tom Hanlon tom at functionalmedia.com
Wed Dec 15 14:20:41 EST 2010


Is Firefox the issue ? 

I just now tried chrome for the first time, on osx so apologize if it behaves differently on linux, but I like the feel of chrome. Seems very responsive, of course that could just be UI trickery, but.. ? 

--
Tom 


On Dec 15, 2010, at 2:04 PM, Jeff Frontz wrote:

> So I spent a few minutes trying to figure out what they were trying to do with this -- is it just that they're putting the "interactive" processes in their own scheduling group and this (or all?) scheduling groups get scheduled prior to hoi polloi ?
> 
> How is that any different from making the login shell be RT (and a suitably high priority)?
> 
> More importantly, what does this do to the actual through-put of the system?  Doesn't it cause all sorts of crazy starvation that just ends up making the overall system sluggish (because of all sorts of retries and timeouts that have to get handled)?
> 
> Jeff
> 
> 
> On Mon, Dec 13, 2010 at 9:44 PM, Bill Baker <bill_chris at earthlink.net> wrote:
> Getting back to the subject of Linux...
> 
> Has anyone tried out the new 200 line kernel patch that supposedly
> improves responsiveness?  I just added the alternative script to
> my /etc/rc.local file that's supposed to do the same thing detailed
> here:
> http://www.webupd8.org/2010/11/alternative-to-200-lines-kernel-patch.html
> 
> So far I don't see much of an improvement, but I'll continue to use it
> to see if I do notice anything.  I was just checking to see if anyone
> had done the actual patch and if there was any dramatic improvement.
> 
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Tom Hanlon
tom at functionalmedia.com
Cloudera Certified Hadoop Developer
Certified MySQL DBA




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