On Mon, 2010-10-18 at 18:25 -0700, Aleksey Tsalolikhin wrote: > Hi. A friend of mine was doing real-time video decoding on > Fedora Core 13 and he had a performance glitch (1/2 a second > freeze) every 5-10 seconds. "top" showed flush-253:0 > process at the moment of the freeze. And what is the Priority of it running at? How many Cores also? > He also tried CentOS 5.5, and saw a "pdflush" process popping > up with the same frequency, and resulting in a similar glitch. > > Any other suggestions? I would not even be concerned. ATM I am seeing pdflush on a server pop every second. load average: 4.51, 3.41, 3.51 I would only be concerned with the Freeze. What's uname -a on the CentOS machine? John _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos