Mingfei Hua wrote on Thu, 11 Sep 2014 15:05:33 +0000: > This issue happened again, who can help on this? system load up to > 72, but /proc/stat only show that 2 processes were running and no > process blocked As others have already said, you are not giving and you are not looking at relevant information. You want to look in top at the running processes, for instance. It doesn't matter at all that you have "only 2" processes running. As it seems you don't even know which were running. Find out! Btw, quoting old and new information adds confusion. The number of sleeping *2534* processes seems a bit high for me. What the hell have you running there in the background on a "tiny" 4 GB machine with "only" two CPUs/cores? You can either have a few (or just one) processes needing a lot of ressources or many processes waking up, each one just needing a little bit, but in total they count ... Kai _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos