Re: Cyrus squatter using only a single core

2014-07-15 Thread Michael Menge
Hi, nice does only have an influence if there are 2 or more processes waiting for CPU-time. If the other processes are not using the cpu i would guess that they are waiting for I/O, or are ideling. See http://en.wikipedia.org/wiki/Nice_%28Unix%29 for more details. Most Cyrus Processes are I/O b

Re: Cyrus squatter using only a single core

2014-07-15 Thread Fabio S. Schmidt
Hi Jose ! Thanks for answering ! Your explanations are very appropriate and I couldn't agree more ! In fact, I'm just concerned if squatter causing a high load on a core even when running with nice 19 is the normal behavior, but I realize that it is more a question about Linux than Cyrus. -- M

Sieve filter problem on linux cyrus setup

2014-07-15 Thread John Riddle
Hi - We have an environment where we have a legacy Cyrus setup running in Solaris, and we have been gradually migrating this over to Linux (starting with the back-ends; we are still in the process of migrating the front-ends and the mupdate master). For the accounts that we have migrated over to t

Re: Cyrus squatter using only a single core

2014-07-15 Thread Jose Luis Rodriguez Garcia
I am not a cyrux expert, but why are you worried that a core is loaded? It means that the core is working on the task. Does the performance of the server suffer because of this (response time to users, etc)? I think that monitor for detect a high load in a core isn't appropriate measure of perform

Re: Cyrus squatter using only a single core

2014-07-15 Thread Fabio S. Schmidt
Thank you Bron ! Once I unfortunately do not have the knowledgement necessary to create this patch, I will adjust my configurations to run squatter at specific times and disable the CPU consumption trigger on my monitoring solution. Even if when running with nice 19 my squatter process causes a hi