Radified Community Forums - Rad Resource Usage at New VPS Server

Rad

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Re: Rad Resource Usage at New VPS Server
Reply #15 - Feb 24^th, 2008 at 10:22am

Here's another for Server Load:

Server load can be understood here:

http://en.wikipedia.org/wiki/Load_%28computing%29

From the WiredTree VPS page:

Quote:

Our VPS servers use only the highest quality server-grade components. Every VPS server uses dual-core Intel Xeon Clovertown processors (8 CPUs). Combined with 12GB+ Fully Buffered DDR2 memory

http://www.wiredtree.com/managedvps/

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Rad

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Re: Rad Resource Usage at New VPS Server
Reply #16 - Feb 24^th, 2008 at 12:50pm

Here's another view of our load. WiredTree sppt tells me these stats represent load generated only by my account (Radified.com):

So, I asked how I could tell if *other* accounts, who are assigned to the same server, were overloading it. Their response:

Quote:

You won't be able to tell, since Virtuozzo has a pretty good grip on other people's accounts to ensure this doesn't happen.

http://www.parallels.com/en/products/virtuozzo/

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Rad

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Re: Rad Resource Usage at New VPS Server
Reply #17 - Feb 24^th, 2008 at 1:01pm

So I asked what are my *limits* are .. regarding server LOAD (since that's the stat they give me). Their response:

Quote:

A load of 1 to 2.5 is minimal for the kind of hardware (8 CPUs) that your VPS is running on. There is no specific limit on server load for your account. Your account limits are a combo of CPU time and RAM usage.

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	Re: Rad Resource Usage at New VPS Server Reply #18 - Feb 24^th, 2008 at 2:33pm So I asked at what point they would start to get concerned about server "load". Their response: Quote: On a VPS account, anything over 10 would be an issue. You would most likely run out of memory prior to that point.
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Rad

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Re: Rad Resource Usage at New VPS Server
Reply #19 - Feb 24^th, 2008 at 4:05pm

Along these lines of resource usage & management, I found this site:

http://www.gplhost.com/hosting-vps.html

.. which offers Xen, which I read a little about previously. From this page comes this interesting paragraph:

Quote:

Few words about Xen virtualisation software:

We use Xen virtualization system because it's simply the state of the art in virtual server hosting (VPS hosting). With Xen, end users enjoy short cpu, hard drive and network latencies thanks to accurate scheduling (note: this is totaly different from other virtualization technologies like UML, vServer or Virtuozzo). Memory is not shared and not burstable among users, the physical memory is simply split a slice that we rent to you, the same way we do with LVM HDD slices.

They definitely got a cool name (Zen). Anybody familiar with Xen? Comments?

I like the phrase "state-of-the-art" used to describe it. Wikipedia has a » page on Xen. When asked, Joe at WiredTree support said this:

Quote:

I've never personally administrated a Xen VPS, so my comments about it are limited. A few of my friends that do system admin have worked on Xen-based servers and their comments for the most part have been positive. In the end, both Xen and Virtuozzo basically do the same thing.

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Rad

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Re: Rad Resource Usage at New VPS Server
Reply #20 - Feb 24^th, 2008 at 8:07pm

Just pinged the site. 73ms is my lowest yet (normally 80-ish)

Quote:

NeoTrace Trace Version 3.25 Results
Target: radified.com
Date: 2/24/2008 (Sunday), 5:57:03 PM
Nodes: 14

Node Data
Node Net Reg IP Address Location Node Name
1 - - Anaheim
2 1 - Unknown
3 2 1 Irvine
4 3 1 67.114.50.2 Irvine dist4-vlan50.irvnca.sbcglobal.net
5 4 1 151.164.92.196 Irvine bb2-g9-0.irvnca.sbcglobal.net
6 4 - 151.164.93.167 Little Rock
7 4 1 151.164.89.2 38.983N, 77.378W asn3561-savvis2.eqlaca.sbcglobal.net
8 5 2 204.70.203.50 Los Angeles cr2-pos-0-0-3-0.lay.savvis.net
9 - - 0.0.0.0 Unknown No Response
10 5 2 208.172.3.54 Chicago acr1-so-0-0-0.chicago.savvis.net
11 6 - 216.90.240.162 Chicago
12 7 - 208.79.234.8 Chicago
13 7 - 208.79.238.73 Chicago
14 7 3 208.79.239.88 Chicago host.radified.com

Packet Data
Node High Low Avg Tot Lost
1 0 0 0 1 0
2 8 8 8 1 0
3 15 15 15 1 0
4 15 15 15 1 0
5 20 20 20 1 0
6 16 16 16 1 0
7 15 15 15 1 0
8 26 26 26 2 1
9 --- --- --- 2 2
10 76 76 76 1 0
11 78 78 78 1 0
12 75 75 75 1 0
13 75 75 75 1 0
14 73 73 73 1 0

Network Data

OrgName: Cogswell Enterprises Inc.
OrgID: COGSW
Address: 53 W Jackson Blvd.
Address: Suite 635
City: Chicago
StateProv: IL
PostalCode: 60604
Country: US
_____
NeoTrace Copyright ©1997-2001 NeoWorx Inc

I think "Cogswell Enterprises" is Zac Cogswell, who I traded a bunch of emails with last night: http://www.wiredtree.com/aboutus/managementprofiles.php

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John.

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Re: Rad Resource Usage at New VPS Server
Reply #21 - Feb 25^th, 2008 at 1:56am

2/24/08 11:50pm PT from Southern California

Quote:

ping radified.com

Pinging radified.com [208.79.239.88] with 32 bytes of data:

Reply from 208.79.239.88: bytes=32 time=66ms TTL=53
Reply from 208.79.239.88: bytes=32 time=65ms TTL=53
Reply from 208.79.239.88: bytes=32 time=65ms TTL=53
Reply from 208.79.239.88: bytes=32 time=63ms TTL=53

Ping statistics for 208.79.239.88:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:
Minimum = 63ms, Maximum = 66ms, Average = 64ms

Ghost4me Ghost 9, 10, 12, 14, 15. Windows XP, Vista, Windows 7

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Rad

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Re: Rad Resource Usage at New VPS Server
Reply #22 - Feb 25^th, 2008 at 10:54pm

64 ms. That's good, especially considering you're not much closer to Chicago than I am. You're 9ms faster. That's what? .. about 12% faster?

Here's latest LOAD stat, taken 8PM Monday night (2-day graph):

I wonder what makes those spikes to 2.5? Looks like about 8 to 10 AM. I wonder if that's local (Chicago) time. That would be what here on the West coast? 6-8AM? Looks like the same time every morning. Even the shape of the spike is the same. Kinda weird that it even happens on Sunday? Think it might be search engine bots?

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Rad

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Re: Rad Resource Usage at New VPS Server
Reply #23 - Feb 25^th, 2008 at 11:20pm

UPDATE - Yeah, it's a little after 9PM here and the daily graph is giving me stats for 11PM. So Chicago must be 2 hours ahead.

From the daily graph, it looks like the graphs starts to climb shortly after 8:30 Chicago time, which would be about 6:40 AM here. It peaks around 9:15, which would be 7:15 here. By 10 o'clock (or 8AM here) things are back to normal. Even on Sunday.

You think it's a "wake-up-and-check-Radified" thing? That's what I do, but I don't know about others.

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Sunday_Afternoon

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	Re: Rad Resource Usage at New VPS Server Reply #24 - Feb 26^th, 2008 at 12:34am Rad - you are still advertising LP in the animated gif at the bottom of the forum pages. Sun pm
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Rad

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Re: Rad Resource Usage at New VPS Server
Reply #25 - Feb 26^th, 2008 at 9:45am

Yeah, I still have the account. Paid a year in advance. Tho not using it any longer. Plus LP has an affiliate prgm, which pays $65 for every person who signs up using one of those links. WiredTree does not. So removing those links is not a top priority right now, especially when I have so many other things to do. But it will be good to move on, and do away with all things Lunar.

Along another line, here's a graph of server load taken this morning at 0730 AM PST. First the

DAILY

view (which is the most accurate), then the

WEEKLY

. More load today. Almost up to 4.0 on the lighter-shade 5-minute load. Looks like it came

earlier

, too. Wonder what is causing those spikes?

The peak looks like it came around 4:30 AM Chicago time, which would be 0230 here on the West coast. That sounds like search engine bots, no? (Which never sleep.)

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MrMagoo

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	Re: Rad Resource Usage at New VPS Server Reply #26 - Feb 26^th, 2008 at 11:45am Do you have any crong jobs running on the server? Disk checks? Log rotate? Anything in the logs (/var/log)?
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	Re: Rad Resource Usage at New VPS Server Reply #27 - Feb 26^th, 2008 at 12:17pm Uh, I don't know what those are (cron jobs). The only thing I know about is a daily back-up. I will ask WT sppt. I just like to know what's going on with the server.
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	Re: Rad Resource Usage at New VPS Server Reply #28 - Feb 26^th, 2008 at 2:12pm Maybe the backup runs right at that time...?
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Rad

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Re: Rad Resource Usage at New VPS Server
Reply #29 - Feb 26^th, 2008 at 5:29pm

I just asked.

Quote:

This is probably from the rkhunter cronjob. Basically, rkhunter does md5sums on many files, which is both disk and processor intensive. Because of this, we have a cron on the root node that inspects when rkhunter is run in each server, and spreads the times out across all the vps's on the server. What happened is that the cron was not running properly, so rkhunter was running on all vps's on the server at the same time. So you would see more of a spike than normal. We actually caught this problem this morning, and have fixed the cron. You will still see a bit of a spike when rkhunter runs, but it should be much less than what you were seeing previously.

Do you understand what he is saying?

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