Re: [SLUG] assessing vps performance issues

2013-11-04 Thread Voytek Eymont
Jeremy, Yes, more than enough . But, If you wanted to ask 'so who is the real idiot?', well, the answer is clear it's me. In my defense, I've dealt with these people for well over 10 years, though not for hosting, and, the vps performed adequately for 1.5 years, with only 1 glitch I think.(

Re: [SLUG] assessing vps performance issues

2013-11-04 Thread Voytek Eymont
David, You are either very good at guessing, or perhaps you are not guessing... David Bomba turbo...@gmail.com wrote: Let me guess, Netregistry and their awesome support…. right? On 01/11/2013, at 9:56 PM, li...@sbt.net.au wrote: Thanks for the link, thanks for all the tips and advice, it's

Re: [SLUG] assessing vps performance issues

2013-11-04 Thread Jeremy Visser
On 5 Nov 2013, at 3:58 pm, Voytek Eymont li...@sbt.net.au wrote: In addition it has also become clear that customers may also be able to generate high IO load in a similar manner to this maintenance with the potential to affect other clients systems. As a result we have now implemented hard

Re: [SLUG] assessing vps performance issues

2013-11-04 Thread David Bomba
200 IOPS is criminal, another well known provider is 'promoting' their SSD backed servers with a default IOP of 100 why bother having SSD's when it will perform worse than a single 10k SAS drive On 5 November 2013 17:13, Jeremy Visser jer...@visser.name wrote: On 5 Nov 2013, at 3:58

Re: [SLUG] assessing vps performance issues

2013-11-01 Thread lists
Thanks for the link, thanks for all the tips and advice, it's what kept me going through: 'we can ping it, why do you think there is a problem?' 'reboot it' 'you need more memory' 'don't you have a cron job every 5 minutes? that's the cause' I now received this

Re: [SLUG] assessing vps performance issues

2013-11-01 Thread Jeremy Visser
On 01/11/13 21:56, li...@sbt.net.au wrote: It only took them one week of on/off outages to arrive at that, I guess they must've been very thorough in reviewing it. and, about an hour AFTER I got that email, senior idiot phoned me to tell me I've loaded vps in excess of it,s capacity. So

Re: [SLUG] assessing vps performance issues

2013-11-01 Thread David Bomba
Let me guess, Netregistry and their awesome support…. right? On 01/11/2013, at 9:56 PM, li...@sbt.net.au wrote: Thanks for the link, thanks for all the tips and advice, it's what kept me going through: 'we can ping it, why do you think there is a problem?' 'reboot it' 'you need more

Re: [SLUG] assessing vps performance issues

2013-11-01 Thread Ben Donohue
Hi, I would like to recommend Micron21 in Melbourne as a great hosting provider. I am one of their clients. Ben On 01/11/13 21:56, li...@sbt.net.au wrote: Content preview: Thanks for the link, thanks for all the tips and advice, it's what kept me going through: 'we can ping it, why do

Re: [SLUG] assessing vps performance issues

2013-10-30 Thread Amos Shapira
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.auwrote: show the support people your evidence of high IO wait. if

Re: [SLUG] assessing vps performance issues

2013-10-29 Thread lists
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

Re: [SLUG] assessing vps performance issues

2013-10-29 Thread Michael Chesterton
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

Re: [SLUG] assessing vps performance issues

2013-10-25 Thread lists
On Fri, October 25, 2013 3:25 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. Michael, thanks again this morning I got a

[SLUG] assessing vps performance issues

2013-10-24 Thread lists
I'm experiencing serious performance issues on a VPS, as far as I concerned, it's some issues on the actual server not the vps what if anything can I test on the vps to 'prove my suspicions', both past and future ? I have some stuff like cacti and sar already installed last night, htop was

Re: [SLUG] assessing vps performance issues

2013-10-24 Thread lists
On Fri, October 25, 2013 9:55 am, David Bomba wrote: The reporting of CPU consumption is based solely on the processes your VPS is running. You may want to log the processes running during periods of high load, perhaps logrotate or similar cron task is smashing CPU late at night. David,

Re: [SLUG] assessing vps performance issues

2013-10-24 Thread David Bomba
Significant iowait may indicate poor performing storage. Run bonnie++ on your server to give an indication of performance. David Echoman PTY LTD On 25/10/2013, at 10:10 AM, li...@sbt.net.au wrote: On Fri, October 25, 2013 9:55 am, David Bomba wrote: The reporting of CPU consumption is based

Re: [SLUG] assessing vps performance issues

2013-10-24 Thread lists
On Fri, October 25, 2013 10:22 am, David Bomba wrote: Significant iowait may indicate poor performing storage. Run bonnie++ on your server to give an indication of performance. thanks, I'll look at that fwiw, the data centre now admitted to 'overloaded storage' that affected several machines

Re: [SLUG] assessing vps performance issues

2013-10-24 Thread David Bomba
Makes sense, If httpd has to wait on storage, then more httpd processes would be started to serve other requests On 25 October 2013 10:27, li...@sbt.net.au wrote: On Fri, October 25, 2013 10:22 am, David Bomba wrote: Significant iowait may indicate poor performing storage. Run

Re: [SLUG] assessing vps performance issues

2013-10-24 Thread Michael Chesterton
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

Re: [SLUG] assessing vps performance issues

2013-10-24 Thread lists
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. Michael, thanks I hope it's resolved 'permanently', in the last 48 hours it happened twice, last might

Re: [SLUG] assessing vps performance issues

2013-10-24 Thread lists
as well as 'sar' logging I'm currently charting with cacti: traffic, mem usage, disk space, load, users, ping latency, process count; as well as, apache, mysql, dovecot, postfix, icmp what else should I be logging or charting ? -- SLUG - Sydney Linux User's Group Mailing List -