Does The Server Site Load Affect On The Child Sites
Sep 9, 2008
I have seen 1 vps provider having very poor ping results in few online ping sites and they have a very cluster slow loading pages as well.
One of my friend has a package with them, the ping results are very poor even for him as well. Just made an traceroute found its on some node1.vpsprovider.com
Ya, one more major important similarity noticed was, the vps provider emails weren't set properly to yahoo mail, and my friend's emails sent from the server to yahoo weren't delivered as well.
So if the vps provider has poor content may be due to firewall or internal settings do the systems under the node also be affected?
I have no problems with my host so nothing to be worried about, but need to help him as he is just starting it out with a cheaper vps
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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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Feb 17, 2015
In an environment where there is no webmail enabled for hosted sites and no sites have registered names (eg; they all belong in "our name space"), what is the affect of NAMED not running?
One affect that I have seen is with Site Scheduled Tasks that need URL resolutions. This appears to fail if Named is not running. All OTHER site content seems to work just fine. Apparently even in WordPress Multi-user/site situations.
I FULLY understand bind/named (and /etc/hosts, /etc/resolv.conf, /etc/nsswitch.conf), but it seems that it some cases, virtual hosted sites do not need Named (active) to function. This is NOT a case of incorrect DNS definitions created by Plesk for any hosted site.
SO - what is the "affect" of Named NOT running in a PLesk-12 Linux environment - not only for hosted sites but also the Plesk server itself?
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Jun 3, 2009
way to know the sites that make load on the server through SSH
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Jan 16, 2007
I've searched a bit on this topic, but noone seems to have any resolutions: I have a myriad of different websites on a server, and want to balance resources. What and how are the best ways to do this?
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Oct 10, 2009
So this is a new problem for me, and I have no idea what could be broken?
My server works, but none of the sites load.
Server ip is 69.162.121.170, one of the sites is bloghost.cl
Where should I start looking? When you try to visit the site it just tells you it cant establish a connection. All I did was restart the server today, and now nothing works
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Mar 10, 2008
I am facing a strange issue with two RPG games sites that i am hosting on a 2GB ram server with softlayer, each of these sites was running on a 512MB VPS and they were doing fine but i decided to move them to better server so things run smoother when each has 50+ members online.
So the issue is when i have around 40 online members on each site, they start coughing up mysql errors, sometimes the sites just hang and stop loading, server load goes up to 3 or 4 but memory usage remains around 40%, I also notice that mysql uses the most of the CPU usage, around 75%
What i probably need is for someone to identify the cause of this, can it be an attack of some sort? or is it probably some code issues in the sites? do you recommend anyone that can have a look at this?
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Jul 1, 2007
My machine is pretty good. Here are the specs:
Intel Xeon-Woodcrest 5148-DualCore
3 gigs of ram
250GB Western Digital WD Cavia
I run a forum with a modest amount of traffic along with a content management system handling the other sections of the website. I'm pretty sure the forum isn't the problem though.
The server load for this machine is almost never above a 1. Right now as I type this the load is at 0.17, but it's unbearably slow! Taking up to 16 seconds to load a single page.
What could be causing this? I'm a server n00b. Is there a setting I should be doing to one of my servers configuration files to make it run faster?
My website gets 30-40,000 visitors a day and these problems always occur during peak hours. It would be easier to deal with this though if not for the fact that the server load is always so low. How is it possible for the site to get so slow while the server load is always so low?
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Mar 22, 2008
I do a ps aux, and get a bunch of:
/usr/sbin/httpd
Each one takes up like 4% of the available ram - and when the ram is gone, the server dies (it doesn't have a swap file - half the time you can't even log in to it), and you have to reboot Apache.
I thought of limiting maxchilds, but would that break something else?
Should I just make a swap file? Will that defeat the point of creating child processes?
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Feb 12, 2007
I have ever made a DNS Server change and I was curious how this is going to affect my e-mail.
Lets say this is my URL - www.testURL.com
I also have my e-mail setup as MyName@testURL.com
I now have a new host so we are going to change the DNS settings so www.testURL.com now points to the new web host. Is this going to affect my e-mail address MyName@testURL.com or do I also have to make a request to get the e-mail changed as well?
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Jul 26, 2007
I set up my own webserver earlier this year using a dedicated server from my hosting company (IIS, win2003), for some reason two of my websites on there are not being listed by Google (or any search engine) at all. Could there be something wrong in my setup that can cause this to happen?
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Mar 31, 2008
our company is ordering a new dedicated server and we are a little unsure what we should choose as far as the full hostname and nameservers of this one server.
This server will have a couple different websites on it, but really, there is only one BIG website on it... let's call it abcd.com.
While most would pick a hostname of host.abcd.com for instance, if at all possible, we would like the domain name part of the hostname to be something different than abcd.com. We own a domain name that doesn't point to anything yet (unuseddomain.com) and we were wondering if we could use that domain in our hostname.. host.unuseddomain.com.
And instead of using abcd.com as the domain name for our own nameservers (ie. ns1.abcd.com, ns2.abcd.com), we would like to again, use the unused domain name we own (unuseddomain.com) for the nameservers domain name: ns1.unuseddomain.com, ns2.unuseddomain.com.
So...
Will this work? Is this perfectly acceptable?
And lastly...
Since the one website we really care about on this server (the one we got the server for in the first place) is abcd.com, is using the unuseddomain.com for the hostname and nameservers (as above) a bad choice in anyway regarding email deliverability? I understand that mail ISP's (hotmail, yahoo, etc.) do all kinds of checks on hostnames (PTR), etc... and we want to make sure that we aren't hurting ourselves in anyway by using an "empty" domain name that we own as our hostname's and nameserver's domain name.
For instance, if we send mail from the abcd.com account, it will use mail.abcd.com (1.1.1.1) as it's outgoing mail server... Hotmail will see this... do a reverse-dns lookup on 1.1.1.1 and see host.unuseddomain.com. See what I'm saying? It all will work, but will it toss up red flags?
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May 21, 2009
So the other day me and friend installed cPanel on a VPS. Everything seems to be working perfectly however the sites don't seem to load.
I've pinged all the domains and they all seem to be fine and the hostname also seems to be setup I'm just not sure why my sites aren't loading.
I've also loaded the site on multiple computers using different dns servers and still no luck.
I haven't touched apache at all, but from what I understand I don't need to.
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Feb 2, 2008
my named service works okay but sites don't load.
What can be the problem? When I look at logs, named uses /etc/named.conf but the real conf file is located at /etc/named/named.conf
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Jan 9, 2008
The last 2-3 days my websites on my vps all started acting funny. Randomly throughout the day they will all just stop loading. If you go to one of my sites they will just load and load and load and eventually time out after 5 minutes.
To fix this problem, all I have to do is reset Apache in my WHM. Everything will be fine for awhile until it decides to stop loading again.
I've been talking to tech support for 2 days. They're out of options. They tried banning some IPs as they thought I might be getting hacked. They tried moving me to a different host machine. They've checked all my logs... there are no errors or problems with the vps. The server load is always very low. Memory is always very low.
I run about 15-20 websites on this VPS. Two of them are vbulletin (v. 3.6.4 and v3.6.8) and all the rest are wordpress).
My VPS is hosted with ServInt.
Server Version: Apache/1.3.39 (Unix) PHP/5.2.4 mod_auth_passthrough/1.8 mod_log_bytes/1.2 mod_bwlimited/1.4
mysql (5.0.45-community-log)
I get these emails all day:
httpd failed @ Wed Jan 9 06:10:42 2008. A restart was attempted automagically.
I am completely out of ideas and options. Can anyone think of something? Think outside the box... make random suggestions. I don't care, I need to try something.
I most recently added 3 or so brand new websites to my vps about a week ago. However, they are just running wordpress so I can't imagine they're the problem.
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Apr 21, 2008
What are the best tools to check if our sites load quickly or not?
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Jun 19, 2009
I am very interest about RackSpace Cloud site technology
http://www.mosso.com/cloud.jsp
Does any one over here using RackSpace Cloud Site
I have couple of sites hosted on a one virtual dedicated server, I get total about 100K+ hits per month. About 70GB bandwidth usage per month. Is cloud site technology is a good choice for me?
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Mar 9, 2007
How can i know which site cause load in my server?
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Jun 12, 2006
I have a growing website that needs to move from its current single-server setup to using a cluster of servers to deliver its dynamic pages.
My current host does not support load balancing among its servers, so I'm left to configure that on my own. Round-rovin DNS doesn't work for me as I'll need certain http requests to always go to the central server (the one with the master database).
My distro is Redhat 9, and I only access the server remotely through SSH. I'm using Apache 2 (and PHP and Mysql).
Any ideas on the simplest way to do this?
I've read a bit about LVS (http://www.linuxvirtualserver.org/) but it seems to require a kernel recompile, which is way beyond the things I would dare to try...
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Apr 19, 2008
I recently put up a website and after about a week, I suddenly can not access it. The site went down after the host had a problem with the http on the server and it never came back for me but it works for everyone else. It times out while trying to connect in both the web browser and FTP client. The problem appears to be related to my internet connection, because the site won't load on any computer that is using my internet. When I disconnect from my cable and use my cellphone as a modem, the site works fine. The site works for everyone else that has tried though.
Besides changing my IP address, how do I go about getting the site to work?
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Feb 12, 2007
i have dedicated server
one site on my server compress to my server
cpu and memory
how i can config that the site use of memory only 2% and ...
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Jun 14, 2007
I currently have 256MB RAM on a VPS. I was wondering, if I upgrade to 512MB RAM will that increase load times on my website?
If so, should one expect the load times be significantly greater - maybe twice as fast?
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Sep 30, 2007
I would just like to no how you would load balance 2 sites. Would this be done via dns settings. EG
instead of seting the domain to something like
ns1.server1.com ns2.server1.com
would it be?
n1.server1.com ns2.server2.com
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Jan 8, 2008
I have 2 reseller accounts with one provider, and in the last several days I have noticed that when you visit the site for the first time, my AV software detects a trojan on the site, but the code & html files are 100% clean!
I'm suspecting that there is something being injected into the scripts from the server daemons that's either running or something else.
Anyone have any suggestions?
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May 7, 2008
what can make site load faster other than replication
(well lets assume that design wise it is ok and doesnt content heavy contents...)
i have heard that increasing networking speed at the server level can make site much faster...
is it true..?
is there any tweak bandwidth wise...
suppose we get 1tb bandwidth per month compared to 100gb ...
will that make site faster...
we want to host a photogalley site...which is fast or images are shown in faster way....
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Dec 18, 2008
say i have lot of traffic from USA, does my site load slower if hosted in netherlands or uk?
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Dec 3, 2007
I have just moved my sites from shared host to a vps. After several initial problems (cpanel issue, config not set up correctly, memory spikes and sites down every morning due to backup and stats) I thought everything was going to be ok. hmm.
My server load starts off fine first thing (less than 1) then creeps up nearly 1 per hour, ie been 3.5 hours now and it is at 2.57. Sites are ok at the moment but yesterday load got up to nearly 7 and sites were extremely slow.
CPU usage is HIGH for one site and goes up very quickly throughout the day. Yesterday it reached well over 90%. First thing today it was already amber and showing 14%. It is now 70.54% and shows below it :
Top Process %CPU 80.2 spamd child
Top Process %CPU 79.8 spamd child
Top Process %CPU 79.4 spamd child
I have a ticket open and they (Liquid Web) they are not sure what the deal is, but are apparently monitoring it to see if they can isolate the cause of the problem. But that was a couple of days ago and now the ticket is due for closure.
I telephoned them (expensive as I'm in the UK!) and raised my concerns, but was just told that everything looked ok on the vps, cpu usage was in fact not high and to ignore the warnings.
So, I am posting here to see if anybody can help me get to the root of this.
I understand that spamd child is to do with email / spam assassin?
My problem is that this is the first vps I have had and don't have a clue now where to go or what to do.
Anybody understand about spamd child that can explain it to a poor dumb blonde and how to fix it?
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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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Jul 11, 2008
Recently the Apache recompailed with eAccelerator after that the below error log has created and also the Apache got crash when reach high traffic.
[notice] child pid 13013 exit signal Segmentation fault (11)
[notice] child pid 13054 exit signal Segmentation fault (11)
Due to this problem I ran the /scripts/upcp --force and again recompailed the Apache with eAccelerator.
later the signal Segmentation fault error not created but instead of above error the following error has been creating. And also again recompailed the without eAccelerator still the below error creating.
[notice] child pid 763 exit signal Bus error (7)
Server Details.
Apache 2.2.9
PHP 5.2.5
MySQL 5.0.5 (Runing Seprate box)
eAccelerator 0.9.5
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Oct 25, 2008
"Too many open files: couldn't spawn child process"
"Too many open files: couldn't spawn child process". This is what I see in the logs.
I have a CGI application which I can't run anymore because it is giving me a 500 Internal Server Error.
Would disabling the logging on all domains solve this issue? (thinking that too many log files are opened)
I did: cat /proc/sys/fs/file-max and in return I got: 372235.
Then I did echo 350000 > /proc/sys/fs/file-max*, because I thought I have file system limitation or something like that.
The problem starts even right after I reboot the server.
If I hit lsof a lot of files are shown.
The server load is tiny so nothing actually happens.
Would editing the httpd.conf or my.cnf files help ? Should I post the prefork and MPM settings here?
What else should I do to have my CGI application running again?
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