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› Rad Resource Usage at New VPS Server
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Rad Resource Usage at New VPS Server (Read 87331 times)
MrMagoo
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Posts: 1026
Phoenix, AZ (USA)
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Re: Rad Resource Usage at New VPS Server
Reply #30 -
Feb 27
th
, 2008 at 12:06am
I understand what he is saying, but I'm not positive why they do it. Creating an MD5 sum on a file allows you to uniquely identify that version of that file. I'm guessing they use the MD5 sums to determine which files need to be backed up in an incremental backup.
Sounds like it was running too often on too many of the virtual accounts on this host, creating extra load, but they corrected it before you emailed them.
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Nigel Bree
Ex Member
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Re: Rad Resource Usage at New VPS Server
Reply #31 -
Feb 27
th
, 2008 at 5:39am
rkhunter is a tool that looks for rootkits; the MD5sum will be being done to verify that files haven't been changed inappropriately (i.e., been subverted by a rootkit).
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Rad
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Sufferin' succotash
Posts: 4090
Newport Beach, California
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Re: Rad Resource Usage at New VPS Server
Reply #32 -
Feb 27
th
, 2008 at 1:45pm
Load, taken at noon, 2-day view:
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Rad
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Posts: 4090
Newport Beach, California
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Re: Rad Resource Usage at New VPS Server
Reply #33 -
Feb 27
th
, 2008 at 1:50pm
Here's our memory usage, taken at noon,2-day view. This looks much weirder than other views, which were much more constant.
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MrMagoo
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Phoenix, AZ (USA)
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Re: Rad Resource Usage at New VPS Server
Reply #34 -
Feb 27
th
, 2008 at 2:25pm
Quote:
rkhunter is a tool that looks for rootkits
Neat. Learn stuff every day.
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NightOwl
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"I tought I saw a puddy
tat..."
Posts: 5826
Olympia, WA--Puget Sound--USA
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Re: Rad Resource Usage at New VPS Server
Reply #35 -
Feb 27
th
, 2008 at 5:29pm
Rad
Approx. 3:25 pm west coast time--4 Users, 90 Guests, 0 Search Engines:
5-10 second delays waiting for server to respond to click on a thread link or forum index link--server apparently not quite up to the demand!
____________________________________________________________________________________________
No question is stupid ... but, possibly the answers are
!
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MrMagoo
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Phoenix, AZ (USA)
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Re: Rad Resource Usage at New VPS Server
Reply #36 -
Feb 27
th
, 2008 at 6:33pm
4:30 now. No delays for me. 6 members, 45 guests, 20 search engines. Musta been a short-live issue.
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Rad
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Posts: 4090
Newport Beach, California
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Re: Rad Resource Usage at New VPS Server
Reply #37 -
Feb 27
th
, 2008 at 6:51pm
I received this email (auto-generated):
httpd failed @ Wed Feb 27 18:15:46 2008. A restart was attempted automagically.
Seems like Apache crashed and was automatically restarted. How do the times jive? This would be Chicago time, which I believe is 2 hours ahead.
There is also a 1-hour chunk of monitoring missing. I'll post a screen shot for you to peruse. Here it is:
Notice that memory use dropped significantly. from 275-ish before to 220-ish now.
Run a trace when you see delays to see if you can identify the source of the lag. Response from WT sppt:
Quote:
I wouldn't be terribly worried with those messages unless you're getting them all the time. From time to time, services will go unresponsive. cPanel's chkservd service monitors services and will restart them if they aren't responsive. This in turn will email you to let you know the service was restarted. This is what is referred to as self-healing.
We experienced some issues with the caching resolvers on our network causing the resource graphing to fail momentarily. This has since been resolved.
When apache restarts, your memory use will drop significantly. This is due to the way that apache uses memory. To reduce load times and load on the server, apache will cache information in memory as it has faster response times than reading from the hard disk.
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Rad
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Newport Beach, California
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Re: Rad Resource Usage at New VPS Server
Reply #38 -
Feb 27
th
, 2008 at 9:58pm
Also notice short-term load spike around 6:15 PM Chicago time, which would be 4:15 here on the West coast.
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Rad
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Newport Beach, California
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Re: Rad Resource Usage at New VPS Server
Reply #39 -
Feb 27
th
, 2008 at 11:21pm
Late-night load surge:
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Sunday_Afternoon
Gnarly
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Long-time Radified lurker...
Posts: 26
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Re: Rad Resource Usage at New VPS Server
Reply #40 -
Feb 28
th
, 2008 at 9:18pm
NightOwl wrote
on Feb 27
th
, 2008 at 5:29pm:
5-10 second delays waiting for server to respond to click on a thread link or forum index link--server apparently not quite up to the demand!
Same experience here yesterday - lightening fast right now though
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Rad
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Sufferin' succotash
Posts: 4090
Newport Beach, California
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Re: Rad Resource Usage at New VPS Server
Reply #41 -
Feb 28
th
, 2008 at 11:47pm
I was watching Tigger today. Bouncey.
If you guys could grab tracert's and post when you notice delays.
Lightning. Yeah, nice.
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Rad
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Posts: 4090
Newport Beach, California
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Re: Rad Resource Usage at New VPS Server
Reply #42 -
Feb 28
th
, 2008 at 11:48pm
Port speeds. Do you guys know about port speeds? (I don't.)
I see where I can request either an upgrade .. o a downgrade .. with my port speeds.
Does upgrade = faster?
I like faster.
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MrMagoo
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Phoenix, AZ (USA)
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Re: Rad Resource Usage at New VPS Server
Reply #43 -
Feb 29
th
, 2008 at 12:56am
Not sure what that is refering to... Maybe your switch-port...? Like 100Mbit, 1000Mbit, etc... Don't think you'd need to upgrade. 100Mbit is plenty fast for a web site. Unless they are talking about something else.
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Rad
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Posts: 4090
Newport Beach, California
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Re: Rad Resource Usage at New VPS Server
Reply #44 -
Mar 1
st
, 2008 at 7:41pm
From WT sppt, regarding a query about port-speed upgrades (& downgrades).
Quote:
That is really a dedicated feature. It doesn't apply to VPS. Basically, it only affects the amount of maximum traffic you can push. Some people get a 10Mb port because it is cheaper. The the VPS parent nodes are on 100Mbs ports. We don't often put dedicated customers on 1000Mbs ports. It's generally done by special arrangement.
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