Am 30.06.2011 08:36, schrieb Steve Barnes: >> Although it would really be interesting to me to see scheduler settings that >> would indeed allow something of a 'privileged' ssh or an OOB console that >> would be responsive even under a punishing load with lots of swapping, which >> is what the OP originally asked about. > > I'd be interested to hear thoughts on this. We have a small 1U test server > with 2 entry-level SATA drives that was brought to its knees twice this week > by an overzealous Java process. Load averages were up around 60+ and as a > result, SSH access would timeout. I don't know if this behaviour is typical > across operating systems, but it's frustrating to find yourself locked out a > server just because a single process went to town on the i/o subsystem. > > Cheers > > Steve
CentOS 6 will support cgroups, by which you can control cpu, memory and I/O. http://www.mjmwired.net/kernel/Documentation/cgroups.txt http://www.mjmwired.net/kernel/Documentation/cgroups/blkio-controller.txt Alexander _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
