Daily, Time To Time Cpu Load
Aug 9, 2007
I have a dedicated server specs: AMD 3500+ 64 Bit CPU, 1 GB Ram, 160 GB Sata Drive. For 1 month, CPU load average reaches 40-50 value. This happens about 5-6 times in a day. When I stop httpd service for 30 seconds everything goes normal. I think this is not a DoS attack because it comes systematic, I dont believe no one makes this regularly except bots.
Maybe its a system service or a cronjob but it stops when I turn off httpd service?
How can I be sure about what's making this regularly load?
I also did set up a script which mail me when load average of system goes crazy and restart httpd service. But instant restart is not working to stop load increase.
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Nov 11, 2008
This is a rare issue i have on a RHEL 5.2 + cPanel server.
Server time is:
Tue Nov 11 17:02:51 CST 2008
Squirrelmail time show:
Code:
Last Refresh:
Tue, 5:02 pm
So, that is correct too..
But email arrives with -4 hours time, example:
webmaster@xxx.com 1:03 pm testing email
I already rebooted httpd, exim, and imap server, and the server itself too.. and problem stills.
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Jan 6, 2008
I got report from webceo that I have some issues. May someone help me fix this?
DNS Lookup: 0.22 sec
Connect time: 0.33 sec
Host ping: 0.10 sec
That mean too slow with the other sites!
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Sep 25, 2008
I can't get access to a certain site. I always get the page with:
network time out - server at *** takes to long to respons. More people have noticed this and apparently it only happens to people with certain specific providers. And not all the time. Some times they DO get access eventy to they belong to the same ISP. So I guess an ISP isn't blocking access to it otherwise it would be permenantly/The site administrator insists that certain ISP's are blocking his site. He's hosting it on his own server. The domain belongs is registered at namecheap.com.
If an ISP is blocking this site (if that's possible?), that would lead to that 'network timeout' page wouldn't it?
What is the most likely reason for getting a timeout page anyway?
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Jun 26, 2007
i have a really high load (100!) at backup time
i'm using cPanel and i'm using Incremental backup option!
is there any solution?
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Oct 9, 2008
What difference in page load time does it make if I move away from GoDaddy hosting? Or doesn't it make much difference? If it does make a difference, what kind of percentage improvement are we talking about?
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Feb 6, 2013
The server is going down from time to time, every 12 days or so the site hosted there is no longer accesible, everything starts with the site slowing don and down and then is not longer reachable, what we do is to request a power cycle, and with this we start all over again till next power cycle, so on so on, of course, here are my server details and more info on this:
- MySQL - 5.1.41-3ubuntu12.10
- Apache - 2.2.14-5ubuntu8.4
- PHP - 5.3.2-1ubuntu4.9
- operating system: Ubuntu Server 10.04 LTS
After some time emailing the support guys to barely check about what's going on, we received an email with a few things:
1.- found a few errors that likely would cause issues with Apache. The first error is:
[Mon Feb 04 05:03:10 2013] [error] mod_fcgid: fcgid process manager died, restarting the server and the next error is:
[Mon Feb 04 14:32:34 2013] [error] server reached MaxClients setting, consider raising the MaxClients setting ...
Both these errors seem to indicate that you have a process that is running out of control on your server. We were unable to determine what script on your site is running caused your connections to be maxed out however it does appear that before these errors were generated there was a WordPress plugin referenced in your access logs...
2.- Additionally during our review we did find that your error log for mercadodedinerousa.com is 45 GB's which is excessively large and can cause problems when Apache is trying to write a such a large file.
3.- The majority of the errors being logged are:
[Wed Feb 06 12:12:31 2013] [error] [client 200.76.90.5] Options FollowSymLinks or SymLinksIfOwnerMatch is off which implies that RewriteRule directive is forbidden: /var/www/vhosts/mercadodedinerousa.com/httpdocs/index.pl, referer: [URL]
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May 1, 2014
On a webserver (apache, mysql, php), which values comes to your mind can have bigges impact on a website load time?
we talking about webserver which host like 100 websites, mostly a classic wordpress blog.
I have keep alive turned on. Now i want to do some test playing with various values of apache, php...
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Aug 27, 2008
customer of HostV's VPS hosting, and for the past 3 days, at almost exactly 01:20 GMT, CPU load jumps from an average of about 0.10 to 2.5+, stays there for over an hour, then drops back down.
During this time, there are NO processes on my virtual server using any significant amount of CPU time, memory, or IO. No cron jobs are running on my server, etc.
Note the output from 'uptime' below (I was monitoring it waiting for the problem to occur, which it did at exactly the time I expected):
00:32:05 up 22:01, 2 users, load average: 0.09, 0.11, 0.08
00:32:07 up 22:01, 2 users, load average: 0.08, 0.11, 0.08
01:09:49 up 22:39, 2 users, load average: 0.06, 0.03, 0.00
01:10:03 up 22:39, 2 users, load average: 0.05, 0.03, 0.00
01:19:26 up 22:48, 2 users, load average: 0.46, 0.16, 0.04
01:20:42 up 22:50, 2 users, load average: 1.53, 0.55, 0.18
01:21:39 up 22:51, 2 users, load average: 1.40, 0.67, 0.24
01:46:04 up 23:15, 2 users, load average: 3.06, 2.02, 1.52
Also note output from 'top', taken when load average was at 3.06 shown on the last line above:
Cpu(s): 0.1% us, 0.0% sy, 0.0% ni, 91.0% id, 9.0% wa, 0.0% hi, 0.0% si
My cpu usage is very low (0.1%) but wait time is at 9.0%, and I've seen this go as high as 70% during these times.
So, basically, there is a problem that exists on the host node somewhere that is causing my site to become effectively unresponsive (page load 20 seconds+ - measured), and it happens every single day at the same time.
So, why am I posting it here instead of logging a trouble ticket? I have logged a trouble ticket, but when I encountered the problem yesterday, despite logging it as "CRITICAL", I had to wait nearly 5 hours for a response, which effectively said not much beyond "we noticed the problem and fixed it and we're monitoring it". So I don't have a lot of faith that today's response will be any better.
I moved to HostV because of similar problems I was encountering with shared hosting, and was assured before signing up that the kind of problem I'm seeing doesn't happen. So now I'm outlaying more than 10 times the cost for almost exactly the same problems and a similarly unhelpful response to it.
By publicly posting the problem, I would hope that someone at HostV will ensure the problem is addressed PROPERLY, rather than bandaided again, and that hopefully we will all be able to see just how good HostV's support CAN be (as evidenced in another similar post).
I await HostV/Cirtex's response.
As shown in the uptime information about, server uptime is 23:15, because I rebooted the virtual server yesterday to see if that helped. It didn't. In fact, it took over 20 minutes for the server to come back up, which is why I'm not going to do it again.
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May 5, 2008
I have my WHM/cPanel installation configured with daily and weekly backups. I checked at what time of the day the server load was at the minimum and configured the cPanel backup cron to run then.
The problem now is: Backing up a few hundred accounts results in a high server load. My server configuration:
Dual Processor Quad Core Xeon 5335 2.0GHz with 4GB RAM and 2 x 250GB SATA HDD hosted at SoftLayer.
The accounts are located on the first HDD and the backup archives are placed on the second HDD.
What can I do about this? I'd like to take daily backups of all accounts but not if my server load increases up to 10... That kind of renders the cPanel backup feature useless if it doesn't even work on a powerful server like this one...
Would it help if I use an application such as Auto Nice Daemon to give the backup process a lower priority? But then again that won't work on the MySQL dumps? And I think it's not a CPU problem but an I/O wait problem? Other processes have to wait for disk access because the disk-intensive backup process is running?
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Jul 9, 2008
to decrease the load in server when daily backup start ,, the load in server before backup start from 0.80 to 1.20 after daily backup started i see very high load from 16.00 to 32 and 40
any solve for decrease load when backup start from 3 to 7 alot
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Oct 25, 2009
I bought a new server ...
It had 2GB RAM, 2.8 GHz processor ,NIC fast Ethernet , 500GB HD.
Window server 2003 standard x64.
4 ip.
The ip ping but I cannot connect to server using remote desktop.
Is this problem related to firewall, or the network it self.
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Nov 7, 2008
What if NO down time for VPS?
1. CPU (with Mainboard)
2. RAM
3. HDD
4. SMPS
5. others
with ALL things redundant
** currently my sites (on VPS) are down since couple of hours.. and God knows when they will be live again!
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Jul 8, 2007
one day later, if I run the following command again, the command is same as the one run by the first time.
rsync -avz username@IP:/home/asite/public_html/ /home/asite/public_html/
does it mean rsync will just check and copy the newer folders and files from the last copy?
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May 27, 2009
I have the same server for 3 years...Over that time I've been reducing the number of sites i have..
Is it time to downgrade?
The spec is below.... On a positive side It's been up for almost 500 days so it's reliable.
Would i be better with a high spec reseller account or a smaller managed server rather than spending $220 per month. I spend at the moment.
I'd even consider paying the same i pay now if i could get a faster more upto date server
2 processors: 2.8ghz pentiums
Ram 2gb
2 160 gb hdd's backup drive has used 96gb
Bandwidth used/available this month 50gb/1200gb
host 100 domains busiest is a forum with 500 members
already moved Moved all videos to Amazon S3
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Mar 27, 2009
I have big problem, In my HyperVM i've change time to EUROPA/Sarajevo but in WHM still going 24 hours in forward. Please help me to resolve this. This is very important...
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May 2, 2009
from: domaintools.com
Host IP Address Ping Time
1. 206.71.148.249 Timed Out
2. 206.71.148.249 206.71.148.249 126.20ms
3. 206.71.148.249 206.71.148.249 82.35ms
4. 206.71.148.249 Timed Out
5. 206.71.148.249 206.71.148.249 87.01ms
6. 206.71.148.249 Timed Out
7. 206.71.148.249 Timed Out
use: Enotch Networks
this issue from networks (enotch) or from my ISP?
because enotch staff said my ISP problem!
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Jun 2, 2009
I'm just wondering what exactly "CPU Time" is, I have searched Google and checked Wikipedia but still do not really understand. The main reason this is bugging me is that MySQL on our database server seems to have a very high "CPU Time" usage.
This is the top part of the output from "top", with MySQL shown:
Code:
[mike@mysql1 ~]$ top
top - 20:26:05 up 222 days, 16:14, 1 user, load average: 2.04, 2.90, 2.36
Tasks: 95 total, 1 running, 94 sleeping, 0 stopped, 0 zombie
Cpu(s): 27.1%us, 12.1%sy, 0.0%ni, 60.2%id, 0.3%wa, 0.0%hi, 0.2%si, 0.0%st
Mem: 2074276k total, 1990828k used, 83448k free, 163012k buffers
Swap: 4192956k total, 60k used, 4192896k free, 1410448k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
26826 mysql 25 0 483m 324m 5504 S 238 16.0 363300:21 mysqld
1 root 15 0 2064 592 508 S 0 0.0 0:01.24 init
2 root RT -5 0 0 0 S 0 0.0 1:13.13 migration/0
3 root 36 19 0 0 0 S 0 0.0 0:00.00 ksoftirqd/0
4 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/0
5 root RT -5 0 0 0 S 0 0.0 0:01.17 migration/1
6 root 34 19 0 0 0 S 0 0.0 0:00.00 ksoftirqd/1
7 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/1
8 root RT -5 0 0 0 S 0 0.0 5:34.93 migration/2
9 root 34 19 0 0 0 S 0 0.0 0:00.00 ksoftirqd/2
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Sep 22, 2008
I have mi server in the planet. But I am not very happy with the support you give.
That's why I want to know what is the appropriate time for the response of a ticket?
30 minuts?
1 Hour?
2 hours?
3 hours?
4 hours?
8 hours?
12 hours
1 day?
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Jun 27, 2008
What is a reasonable expectation for how long a host should take to reload an OS?
Read on for my story if you want details behind my questions...
Due to a logical but unfortunately incorrect mistake on my part, we ordered a dedicated Windows server with a 64-bit OS. We just found out that the 64-bit OS isn't compatible with a software package and we needed to get the 32-bit OS reloaded in a hurry.
I understand that urgency on my part doesn't necessarily mean it's an urgency on their part, but I am also paying additional for the server reload. I submitted a ticket with the hosting company yesterday around 7PM to get it reloaded ASAP. As of 9AM this morning I didn't hear anything from them one way or another so I signed in to my hosting account only to find that they left a reply to my ticket asking to confirm that I really indeed want a reload with the selected reload options. I never received any type of an email notification of the reply. I was a little miffed that I didn't get any e-mail, but oh well so I confirmed that was indeed what I wanted.
At 10:30 I get an e-mail asking me to reconfirm that my server's physical specs and there is a discrepancy on the memory installed as their records were outdated and showed 1/2 what was really installed. I have to contact my account exec to get that straightened out and I finally get notified that the reload has started around 11:30AM.
I was originally told informally 3-4 hours in a support chat. Here it is 12+ hours after the reload supposedly started and I have heard nothing from them. I tried checking at 5:30PM tonight before I left work what the status was, but the lady I spoke with just repeated the message I got at 11:30AM saying things were underway and that she couldn't give me an ETA on when things would be finished.
Am I unreasonable in thinking 24 hours after I submit the ticket with an priority of "ASAP" is too long? I'll cut some slack for the miscommunication on confirming that I indeed want a reload but even then it's been 12+ hours after they said that they have started and the server when down.
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May 19, 2008
Do you consider resolution time guarantee when choosing a host?
What resolution time guarantee does your host offer?
Is one hour resolution ok?
This is what webhostgiant.com offer as their support resolution time.
[url]
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Oct 30, 2008
Does is possible to disable ftp capabilities of several websites run by cron at some specified time of the day? then re-enable it automatical at a certain time also?
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May 30, 2008
I want to find a web host and i have a couple of specifics that I'd like. Obviously I want the lowest cost for a relatively reliable service. I am looking to get started in my own web development/design business so I want to use this server as a development environment for myself as well as a deployment environment for potential clients.
I want to have SSH access to my space, the ability to host without buying a domain (at first, ill want to get one later), a good number of MySQL databases.
Some things that would be nice would be the ability to resell space for clients, not absolutely necessary though.
Are there any solutions that anyone here could suggest for me? What are some pitfalls and things I should watch out for? What else could I look to take advantage of?
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Jul 10, 2008
What's an acceptable time for rebooting a machine?
I send an email to midphase to get my machine rebooted and I wait nearly half an hour. Even put 911.
Pacifirack would have got it done in under 5 minutes
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Nov 27, 2007
I'm currently renting a VPS, fingers crossed everything is running just fine.
A Question i go for you is,
Im Looking at upgrading the mysql on the VPS, as im looking at installing xcache
xcache.lighttpd.net/wiki/Release-1.2.0
Would you say this is a good idea or not, as i've heard that xcache can reduce server loads ?
If you think it is a good idea could you point me in the direction of how to upgrade my mysql, can this be done via WHM?
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Mar 19, 2007
for a one-time password system to help us secure some systems... we've looked at RSA SecurID but the software licenses are way too expensive.
Is there any reasonably priced one-time password system that we can use to secure SSH and access to internal systems? We'd like something with a keychain device that will generate the password.
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Dec 18, 2007
I have 2 business DSL lines at work with (formally SBC) AT&T. We use a linksys (dual-port, but disabled) and a D-Link router on basic DSL modems.
I run a php script that does a few things in the background that takes roughly 15 - 55 minutes to complete. When I click on the button to open the php script, firefox basically gives the hour glass until it finishes.
The problem is.. ANYWHERE besides our office when I click on the php script it works find. It finishes up in like I said.. 15 - 55 minutes. But for some reason (on any computer in the office.. windows and linux) I get a server time-out message after 12 minutes.
I even hooked up 1 windows machine and 1 linux server directly to the DSL modem (both got their on IP Addresses on different Class-C blocks) and it still times out.
I am curious how to even begin to investigate why it times out at 12 minutes. Do you think this is a specific DSL AT&T problem?
I've had 5 friends of mine try the script and every single one of them was able to run it without any problems. Like I said.. works 100% of the time on my home connection. But once I get into work.. 10-12 minutes... "server time out".. but the server is up.. no problems on the connection.
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Aug 20, 2007
I signed up for a VPS yesterday morning. Asking for cpanel which was to be provided free. It is still not installed something about waiting for licences which are coming in tomorrow! Not sure about this.
Anyway I have alsoasked if they would add pspell to the php config and I will take over from there however I am still waiting and nothing has been done on the server.
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