[CentOS] pdflush kernel thread pops up every 10 seconds or so and video decoding grinds to a halt for 1/2 a second

Ross Walker rswwalker at gmail.com
Tue Oct 19 19:00:13 EDT 2010


On Oct 19, 2010, at 5:33 PM, Aleksey Tsalolikhin <atsaloli.tech at gmail.com> wrote:

> On Tue, Oct 19, 2010 at 12:48 PM, Toby Bluhm
> <toby.bluhm at alltechmedusa.com> wrote:
>> Ext3 filesystem? Maybe altering the commit option at mount time would help:
>> 
>> http://www.mjmwired.net/kernel/Documentation/filesystems/ext3.txt#49
> 
> Good one, Tony!  We'll try that.   Thanks!!

You could also reduce the dirty interval in sysctl so it flushes sooner therefore flushes less data each time.

-Ross



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