Highly Load
Jan 28, 2007
While there's no problem in our server sometimes loading increases extremely ( over 100 ) While my checkings i stopped the apachi and check the logs , i've seen the lines above
Quote:
[Sun Jan 28 14:26:33 2007] [error] [client 88.243.102.59] File does not exist: /home/xxxx/public_html/404.shtml
[Sun Jan 28 14:27:12 2007] [error] [client 88.226.41.159] File does not exist: /home/xxxxxx/public_html/Themes/colatesi_v3/images/exp.gif
[Sun Jan 28 14:27:12 2007] [error] [client 88.226.41.159] File does not exist: /home/xxxxxx/public_html/404.shtml
[Sun Jan 28 14:34:21 2007] [error] child process 20292 still did not exit, sending a SIGKILL
[Sun Jan 28 14:34:21 2007] [error] child process 20105 still did not exit, sending a SIGKILL
[Sun Jan 28 14:34:21 2007] [error] child process 20287 still did not exit, sending a SIGKILL
[Sun Jan 28 14:34:21 2007] [error] child process 19964 still did not exit, sending a SIGKILL
[Sun Jan 28 14:34:21 2007] [error] child process 20298 still did not exit, sending a SIGKILL
[Sun Jan 28 14:34:21 2007] [error] child process 20106 still did not exit, sending a SIGKILL
[Sun Jan 28 14:34:21 2007] [error] child process 20278 still did not exit, sending a SIGKILL
[Sun Jan 28 14:34:21 2007] [error] child process 20279 still did not exit, sending a SIGKILL
[Sun Jan 28 14:34:21 2007] [error] child process 20299 still did not exit, sending a SIGKILL
[Sun Jan 28 14:34:21 2007] [error] child process 20281 still did not exit, sending a SIGKILL
[Sun Jan 28 14:34:21 2007] [error] child process 20110 still did not exit, sending a SIGKILL
[Sun Jan 28 14:34:21 2007] [error] child process 20111 still did not exit, sending a SIGKILL
[Sun Jan 28 14:34:22 2007] [error] could not make child process 19022 exit, attempting to continue anyway
[Sun Jan 28 14:34:22 2007] [error] could not make child process 19077 exit, attempting to continue anyway
[Sun Jan 28 14:34:22 2007] [notice] caught SIGTERM, shutting down
exim: SIGTERM received - message abandoned
exim: SIGTERM received - message abandoned
exim: SIGTERM received - message abandoned
exim: SIGTERM received - message abandoned
exim: SIGTERM received - message abandoned
exim: SIGTERM received - message abandoned
exim: SIGTERM received - message abandoned
exim: SIGTERM received - message abandoned
exim: SIGTERM received - message abandoned
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Dec 17, 2007
what to look out for in the log files, but a couple of things jumped out at me over the weekend:
I had 5 of these, I followed the link (I suppose is the referrer) but it takes you to a polish-hosted russian webpage that tries to infect your browser. So DONT VISIT THE WEBSITE unless you're virus checker is fully up to date!
Code:
shop.######.com: [15/Dec/2007:02:52:43 +0000] 87.118.120.23 - - "GET / HTTP/1.0" 200 21466 [url] (compatible; MSIE 6.0; Windows NT 5.2; Win64; AMD64)"
As this is only a GET, I'm not sure what the purpose of this really was.
Also I seem to be getting loads of these recently:
Code:
shop.######.com: [17/Dec/2007:08:21:41 +0000] 82.19.60.98 - - "GET /_vti_bin/index.php?main_page=page_not_found HTTP/1.1" 301 5 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; InfoPath.1)"
Which I read is an automated hacker-bot checking for an unpatched MS server.
So my question is this;
What's the most effective thing we (as webmasters/hosts) can do to combat and report this sort of thing so we fight back against what's likely to be related to organised crime?
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May 18, 2007
We're currently looking into migrating a two-server HA setup to something VPS-based, mainly because we'd like to leave the HA stuff (data replication to hot-standby server, fail-over) to the hoster.
We hope to find somebody that hosts VPSs on a cluster of machines, replicates the VPS filesystems to a hot-standby node and, in case of cluster node failure, simply reboots the VPSs that the failed cluster node took with it on the hot-standby node. To us from inside the VPS this would then simply look like a single highly available server. No more database replication, etc.
The only company that offers this seems to be thomas-krenn.com. If I understand them correctly, they build two-server Linux clusters, run Virtuozzo on both servers and replicate the filesystem of the VPSs by means of DRBD from the active cluster node to the hot-standby node. In case of failure of the active node the VPSs are booted on the hot-standby node. So, I should be up and running again in a matter of minutes, probably after a filesystem check.
This sounds pretty intriguing to me and I wonder whether this is as good as it sounds. Does anybody have any experience with thomas-krenn.com and their clustered VPS offering?
Do you know of anybody else that offers something like this? Sounds like a logical next step in VPS hosting to me, so there should be other people with the same idea.
I guess that the grid/utility computing people out there do something similar.
However, most reviews of these companies that I've read were pretty devastating.
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Apr 11, 2009
I posted a review about Tailor Made Servers (TMS) back in December of 2008 however it was wiped out during the infamous "WHT Incident" but I see that it has returned, although in a very incomplete state. Here is a repost of the original review along with a few minor changes to celebrate our 2 year anniversary! (Changes made to original review will have a red font color.)
Technical Support [10/10]:
First things first, TMS are an un-managed provider so don't expect any hand holding if you run into some obscure software or operating system problems. That's not to say TMS wouldn't help you, I'm sure they would to some extent, but it should never be expected from an un-managed provider.
We have a total of 74 tickets recorded with TMS since April of 2007. Twelve of those tickets were high priority requests to either manually reboot a server or check the console. Three of those high priority tickets were false alarms, but the other seven tickets were all answered within a few minutes at the very most.
When I say the tickets were answered, I don't mean a canned reply of "We're looking into it!" then an hour later someone decides to start working on it and then another hour later it's finally resolved. If you submit a high priority ticket, it's given immediate attention and resolved as fast as humanly possible.
Manual reboots take on average 10 minutes, some have been performed in a couple of minutes while the longest we ever had to wait was about 15 minutes which is what they advertise. There have only been a couple of hardware issues, a failing NIC was recently replaced in under 15 minutes, a server died last month and a chassis swap was done in under 3 hours. Hard to find any faults here - the technical support & response times are very reassuring and above average when compared to a lot of other un-managed providers.
Network & Uptime [10/10]:
TMS are located in the prestigious Colo4Dallas facility and using an impressive blend of InterNAP, Level3, Time Warner and XO Communications for bandwidth providers. There are also InterNAP FCP devices in use to attempt to provide the most efficient routing possible and also work around any problems thanks to its intelligent routing capabilities. This differs from BGP in the sense that BGP will always provide the shortest path possible - not necessarily the best path.
The latency and throughput are what you would expect from a reasonably multi-homed provider in Texas. Typical response times to my location in Ontario, Canada are about 60ms while response times to the United Kingdom are around 110ms. Average response times to other parts of the US are nothing short of impressive, 25ms to Chicago, 35ms to Los Angeles, 20ms to Atlanta and 50ms to Seattle.
There was a network blip on March 31, 2009 that caused some instability due to an apparent network upgrade that went wrong. These things do happen, however I feel that communication could have been a bit better in terms of notifying clients in advance. Outside of that one issue the last significant outage was in May of 2007 when a faulty router module had to be replaced and the downtime was a little under 1 hour. TMS clearly has a solid network and should satisfy everyone from web hosting providers looking for maximum uptime to die hard gamers looking for the lowest latency possible.
Hardware Quality & Deployment [10/10]:
All of the newer servers are Dell so you know you're getting quality hardware. The hard drives are a mix of new and old, but they all work perfectly fine with no S.M.A.R.T errors detected using multiple short & long tests. Some people would prefer to always have brand new hard drives, but that's not very economical for a lot of providers and I'm totally OK with that.
Servers are deployed extremely fast during business hours. In most cases if you order a server in the morning, it'll be setup later that afternoon. I've never had to wait more than 6 hours for a server, but I tend to order in the morning so I can't comment on how fast deployments are later in the day or on weekends.
The best deals for TMS are listed under the Dedicated Hosting Offers forum and not on their website, so be sure to check them out. Ordering a server from TMS is completely hassle free and straight forward. You pick the server configuration, pay via PayPal or Credit Card and wait for deployment. There's no faxing or scanning of documents and what not for verification of orders - but I'm sure JoseQ does his own fraud screening.
Overall [9/10]
I can't say enough good things about Tailor Made Servers! The staff is very knowledgeable and genuinely shows that they care, the response times are nothing short of incredible and I can honestly say I sleep better at night knowing our servers are in good hands if something goes wrong.
It truly is a great feeling not always having to worry about network problems, or how long it's going to take to get a manual reboot done, or replace failing hardware if need be. TMS are on top of their game, definitely one of the most underrated and under mentioned providers on WHT!
Why did I rate TMS 9 out of 10 after this glowing review? Well, there's always room for improvement and I don't think it's realistic to rate any provider a 10 out of 10. So what can be improved? When I first posted this review last year, I mentioned that KVM access would be nice and I believe they have since been added - perhaps JoseQ can clarify on that. You know, I honestly can't think of anything major I would like to see improved at this point.
That's pretty much it; if you're looking for an unrivaled dedicated server provider definitely take a look at Tailor Made Servers! Their best deals are always under the Dedicated Hosting Offers forum so be sure to check that out or send TMS - JoseQ a message to see what they can do for you. You have my word, you will not be disappointed and the only regret you'll ever have with TMS is not signing up earlier.
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Dec 1, 2008
Tailor Made Servers - TMS - 1 Year and 8 Month Review - Highly Recommended!
Here's my long overdue review for Tailor Made Servers [url]
and I'd like to urge everyone looking for a high quality unmanaged provider to take a few minutes to read this. I'm terrible at writing long posts, so I apologize if this review is a bit all over the place - it's just so hard to contain my excitement!
Technical Support [10/10]:
First things first, TMS are an unmanaged provider so don't expect any hand holding if you run into some obscure software or operating system problems. That's not to say TMS wouldn't help you, I'm sure they would to some extent, but it should never be expected from an unmanaged provider.
We have a total of 57 tickets recorded with TMS since April of 2007. Ten of those tickets were high priority requests to either manually reboot a server or check the console. Three of those high priority tickets were false alarms, but the other seven tickets were all answered within a few minutes at the very most.
When I say the tickets were answered, I don't mean a canned reply of "We're looking into it!" then an hour later someone decides to start working on it and then another hour later it's finally resolved. If you submit a high priority ticket, it's given immediate attention and resolved as fast as humanly possible.
Manual reboots take on average 10 minutes, some have been performed in a couple of minutes while the longest we ever had to wait was about 15 minutes which is what they advertise. There have only been a couple of hardware issues, a failing NIC was recently replaced in under 15 minutes, a server died last month and a chassis swap was done in under 3 hours. Hard to find any faults here - the technical support
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Apr 2, 2008
I wanted to share a little about my experience with VistaPages Web Hosting. I have a wonderful experience with them as a client, I started a new website last year and searched for a server host for the site and I came accross VistaPages and I am so happy I did. Their service is by far the best I have experienced so far, they really care about their customers, very professional. I ran into a little problem with the script I purchased from another Company for the website, they wanted to charge me again for a reinstall and I didn't really want to do that, so I contacted VistaPages about the problem I had with the website's script and told them that they wanted to charge me again, to my surprise VistaPages went out of their way and reinstalled the script for me at no cost, I couldn't believe they would do that for me but they did, they really care about their customers. The support staff always respond quickly and take care of any problems that arise. They are very courteous, professional, and most importantly very caring to your needs and concerns. One of the most important features of a web hosting company is their knowledge, VistaPages is the best that is out there, they really know all the aspects that is required of a web hosting company. I just started another website and I contacted them immediately to host the new site, with VistaPages hosting your websites you can;t help but have success! I would highly recommend them as a web hosting company for your websites.
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Dec 20, 2007
I've been having trouble with my VPS for a while now. In the QoS alerts page in Virtuozzo it seems to be a problem with numtcpsock and tcprcvbuf, mainly numtcpsock.
Copy these into the browser:
i18.photobucket.com/albums/b106/gnatfish/qosnumtcpsock2.jpg
And when i run cat /proc/user_beancounters:
i18.photobucket.com/albums/b106/gnatfish/beancounters2.jpg
This line is particularly scary:
numtcpsock 164 164 166 166 7321
What do i need to do, to get the website running again? It's only one site on the vps a proxy. So i thought a vps would be able to handle one proxy.
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May 6, 2008
Anyone know of some good server load testers ( commercial )?
Im not looking for application based load testing, I need real web server load testing... need to see how much traffic this one site can take before it cries.
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Aug 12, 2008
I'm having the oddest issue. For some reason, some of the websites on my server load fine, and some take a really long time to load (2 minutes).
Now, the server load is fine, and the size of the sites aren't the issue either. I've restarted Apache and a couple more services, and still the same sites seem to load very slow.
What could be causing this since it's only effecting certain websites?
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Jul 1, 2009
I would like to know how to check load via ssh and check files causing load?
I want the ssh codes for 2 different set of control panels, one with cpanel+whm and other with kloxo+hypervm
and I would also know how to check the files causing the load, such as some files could have been interrupted while processing, so they could be causing load some times, so I want to stop such processes if any are running on the vps on my friends accounts
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Mar 16, 2009
I just got a futurehosting VPS recently and something is puzzling me. Is it normal that an idle CPanel virtuozzo VPS that has no sites on it should display "top" loads of between 1 and 4 regularly? I've been watching the load for a bit now and it keeps jumping between 0-4. When it goes 1 or above, the WHM panel becomes really slow, timing out... They seem to use a beast 8 core machine, so it would take some activity to cause even a 1 load..
I do not have much knowledge about VPS hosting, on a dedicated I would expect the loads to stay 0-0.2 at this point... Is the 1-4 load showing the result of heavy usage by other VPS users on the node? There is absolutely nothing that could cause a load in my vps as far as I see... Is this perfectly normal on any VPS?
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Jul 14, 2009
You think this is funny? Not at all.
I'm on LON03 server and I recive yesterday from Future Hosting this advise about hight load.
I got then 1 month ago, and the solution was *JUST* to remove a phpBB website with 80+ users.
I do not believe that the VPS could get this kind of loads.
Funny is that the VPS was "monitored" by them at the same time. They say the load spikes out for times to times in a matter of seconds.
This load is taken from the Parallels Infrastructure Panel or even the Node Panel, not from the VSP itself. Even when I'm logged in.
I've been a client for 6 month, and 2 of the last 3 constantly getting CPU hight usage. Strange is, that I come from a 512mb/25gb PowerVPS server to a 1GB/30GB server, with the *SAME* sites.
Anyway, the prupose of this topic is to:
- check if anyone had this problem (problem is: beeing sure that this load is IMPOSSIBLE to be created from yout service)
- recommend a decent VPS provider besides Future Hosting and PowerVPS.
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Jun 7, 2008
From time to time my server's loads are going upto 900s.. And it becomes nearly same days each week. I've checked that backups and crons are disabled.
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Jan 17, 2008
It has been running fine for almost six months now and now from past few days it's all gone in black zone?
PID USER PR NI %CPU TIME+ %MEM VIRT RES SHR S COMMAND
32084 nobody 16 0 73 2:00.34 0.9 162m 75m 8260 R /usr/local/apache/bin/httpd -DSSL
13857 nobody 16 0 50 1:13.53 0.7 147m 59m 7900 R /usr/local/apache/bin/httpd -DSSL
32114 nobody 15 0 36 1:46.67 0.4 117m 30m 8600 S /usr/local/apache/bin/httpd -DSSL
I get equal share from CPU plus it has got 384MB of memory? Why load is so high when I check in VPP......it is going in black and yellow zone in resources all the time?
It shows me following Parameters in QoS alerts
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Nov 25, 2007
to know the load shown when doing a 'uptime' command is just for my VPS or the entire node?
what is the acceptable average load?
cos for mine, i see most the time is less than 1, but at times, for no particular reason that i know of, it can go up to between 5~10
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Aug 29, 2007
Due to high IO load server is going crash once a day.
I have optimized the MySQL, Upgraded the kernel but still it's same. The SWAP seems normal.
Now probably it is due to high traffic of http or emails. How should I diagnose and fix it? I am in big trouble.
Its PIV 3.0, 1GB Ram and 450 Websites
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Feb 2, 2007
i've heart that xen can handle loads better than vz or openvz. is this right?
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Jun 4, 2009
I have a question regarding load on this cpu.
Current cpu load is around 1.7 - 2.1.
Is this to much, is it time to upgrade cpu or?
Server is running 32bit Centos 5.3.
top - 17:17:21 up 27 days, 16:24, 1 user, load average: 1.59, 1.43, 1.22
Tasks: 159 total, 1 running, 158 sleeping, 0 stopped, 0 zombie
Cpu0 : 9.0%us, 1.0%sy, 0.0%ni, 89.7%id, 0.3%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu1 : 16.7%us, 1.0%sy, 0.0%ni, 82.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu2 : 2.3%us, 0.7%sy, 0.0%ni, 97.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu3 : 36.5%us, 2.7%sy, 0.0%ni, 60.5%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st
Mem: 4148576k total, 2738172k used, 1410404k free, 410876k buffers
Swap: 2096440k total, 192k used, 2096248k free, 1413824k cached
Thank you,
s-f-r-j
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Jun 21, 2007
I want to have a fail over for my server. I was told that load balancing is the way to go.
Could anyone give me some instructions of what I would require. My primary server contains Cpanel.
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Apr 8, 2008
the loads on my server is VERY HIGH and it needs to be upgraded fast.
I really have no clue as what to do... and i do not know any expert other than you people here - to help me out and put me on the right track.
i was thinking of
1) Getting a server with better CPU and more RAM
2) Load Balancing
However I know nothing of load balancing (other than how to spell it correctly )
1) Which of the above two options should i choose?
2) what are the extra costs in load balancing?
3) what should i know about load balancing before deciding?
4) How does load balancing work? I know there are two server - like one for database and one as webserver... but how does this work together?
5) what config should i be looking at in the two servers?
I'll stop here else i can go on and on and on...
I am giving the details of my server and service below, in case you guys need it.
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Sep 18, 2007
We host a large number of small websites and are looking for high-availability and the ability to do maintenance on our application servers, so I'm looking for a load balancing solution. At this point, I'm considering Zeus ZXTM LB software, the Coyote Point e350si, and potentially an F5 1500 LTM.
The F5 solution is a total budget buster, and the Coyote Point UI is rough around the edges, but I've used them and they are reliable. Zeus looks like a winner with a great UI, but I haven't heard much about their reliability.
Bandwidth requirements are low at this point, so this is mostly about reliability and ease of configuration of a moderately complex set of services.
Any opinions on these vendors, or alternates I should consider?
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Oct 23, 2007
I run a GSP (Game Server Provider) and i just baught 2 new octi xeon servers(Intel 5320)
i am having a problem with the load balancing, it dosen't balance de cpu usage on all cores but only on one, and it gets at about 80-85% and 3%CPU usage on the other one.
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Jun 18, 2007
I was currious as to some suggestions you guys may have for setting up a load balanced website...
I would preffer it to be software based and free as I am just using this for some testing purposes.
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Jul 11, 2008
I'm looking at load balancing a group of servers located at different data centers.
How feasible is this? Which options/solutions should I take a look at?
I would like to route using some sort of IP tunneling or similar so that the user doesn't see ww1.domain.com etc.
I will be distributing the load of the static/dynamic web pages, no database clustering.
I would prefer something a bit more intuitive than round robin. Perhaps directing incoming traffic based on existing server load etc.
Most of the load balancing solutions I've looked at assume all your servers are on the same local network.
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Aug 19, 2007
I'm just curious, how many around here use load balancers in front of their webservers, and what kind of traffic do you push with them? (What kind of load balancer as well) Any other specifics would be nice as well.
Also, do you have failover for your load bal?
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Oct 19, 2007
Hi. Can you please tell me how hardware load balancers work? I mean. What would i have to do to load a balance a site of mine?
Also what type of price range would i be looking at and what to look out for.
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Oct 22, 2006
I'm really curious what makes the high end load balancer better than the low end ones.
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Sep 10, 2006
# apf -r
Unable to load iptables module (ip_tables), aborting.
# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
# uname -a
Linux servername 2.6.17.9 #1 SMP Sun Aug 27 17:08:11 ICT 2006 i686 athlon i386 GNU/Linux
is there any reason that I cannot use iptables? If I edit monokern option in apf to 1, I cannot use ftp in passive mode
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Jun 24, 2009
My VPS holds about 80 domains and low-use accounts.
Every night, from around 1.30am, the load suddenly skyrockets and will usually be around 5 to 10 for a few hours. Occasionally it'll spike to 30+ for a few minutes.
I had some antispam software running, and a couple of other packages (mail queues, mail manage etc), so I disabled all of that and removed all the crontab entries etc.
It's not really made any difference.
I can see the load stats going back 8 hours, as part of the ASSP spam package (I've just left the ASSP server load cron running just so I can continue monitoring it!)
Can the apparent load on my VPS be caused by other VPS's on the same node?? So in reality, my load is fine but is being affected by other people's VPS's?
I hope that makes sense. I'm 99% sure that my VPS is 'clean' (in so far as cron entries)
I'm asking the question because I took a second VPS on the same node and that one too has high loads overnight when there's nothing running on it (ie, no add-on software, no Cpanel accounts added)
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Feb 28, 2009
I have a cPanel VPS so I want to know the 'Server Load' appearing in cPanel, is it for my VPS or the whole server?
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May 21, 2009
I understand how the load averages are calculated and what the numbers represent but what would be considered a high load average and at what point would the server need upgraded?
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