From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Tokarev Subject: Re: KVM with hugepages generate huge load with two guests Date: Sat, 02 Oct 2010 12:03:45 +0400 Message-ID: <4CA6E761.2010900@msgid.tls.msk.ru> References: <20101001223048.GA31596@amt.cnet> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Marcelo Tosatti , kvm@vger.kernel.org To: Dmitry Golubev Return-path: Received: from isrv.corpit.ru ([86.62.121.231]:57391 "EHLO isrv.corpit.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751538Ab0JBIDs (ORCPT ); Sat, 2 Oct 2010 04:03:48 -0400 In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: 02.10.2010 03:50, Dmitry Golubev wrote: > Hi, > > Thanks for reply. Well, although there is plenty of RAM left (about > 100MB), some swap space was used during the operation: > > Mem: 8193472k total, 8089788k used, 103684k free, 5768k buffers > Swap: 11716412k total, 36636k used, 11679776k free, 103112k cached If you want to see swapping, run vmstat with, say, 5-second interval: $ vmstat 5 Amount of swap used is interesting, but amount of swapins/swapouts per secound is much more so. JFYI. /mjt