In addition to Michael's good advise, see http://blog.scoutapp.com/articles/2013/07/25/understanding-cpu-steal-time-when-should-you-be-worriedabout steal time.
On 30 October 2013 12:28, Michael Chesterton <che...@chesterton.id.au>wrote: > show the support people your evidence of high IO wait. > if they can't fix it, change providers. > > Also if they have a public forum, ask for help on their public forum > with the output showing high IO. If they're an au company, ask > for help on whirlpool in the appropriate forum, they probably watch > that for mentions of their name. > > > > > On Wed, Oct 30, 2013 at 12:17 PM, <li...@sbt.net.au> wrote: > > > On Fri, October 25, 2013 1:36 pm, Michael Chesterton wrote: > > > I know it's resolved, but look at the 6th column in the original post. > > > 90+% iowait, 90% of the time, the cpu is waiting for IO. > > > > > now what you should do is run the same command when everything is > working > > > normally so you'll know what the output looks like. Then when you have > > > another problem, you can compare with the normal output. -- > > > > the "resolved" problem keeps coming back, > > under normal situation, I'm ruining load average of .2 > > then, for maybe 1 to 2 hours high iowait, load average peaks at 130+ > > > > aprt from sar and bonnie (haven't installed it yet, wasn't in my repo), > > what other indicators can I use ? > > > > I'm thinking of feeding it into cacti. > > > > meanwhile, data centre response has been: > > > > 'we can ping it, there is nothing wrong' and 'reboot the server' > > > > > > -- > > SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/ > > Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html > > > -- > SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/ > Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html > -- [image: View my profile on LinkedIn] <http://www.linkedin.com/in/gliderflyer> -- SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/ Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html
