Websites Open Slow
May 13, 2008
all websites on one of my server open very slow..in firefox it just kep saying Waiting.. for at least 10 secs and data is transfered.
contents of my.cnf
[mysqld]
safe-show-database
#old_passwords
back_log = 50
skip-innodb
max_connections = 500
key_buffer_size = 144M
myisam_sort_buffer_size = 64M
join_buffer_size = 1M
read_buffer_size = 1M
sort_buffer_size = 2M
table_cache = 5000
thread_cache_size = 256
wait_timeout = 20
connect_timeout = 10
tmp_table_size = 64M
max_heap_table_size = 64M
max_allowed_packet = 64M
net_buffer_length = 16384
max_connect_errors = 10
thread_concurrency = 4
concurrent_insert = 2
table_lock_wait_timeout = 30
read_rnd_buffer_size = 786432
bulk_insert_buffer_size = 8M
query_cache_limit = 6M
query_cache_size = 128M
query_cache_type = 1
query_prealloc_size = 262144
query_alloc_block_size = 65536
transaction_alloc_block_size = 8192
transaction_prealloc_size = 4096
default-storage-engine = MyISAM
max_write_lock_count = 16
[mysqld_safe]
nice = -10
open_files_limit = 8192
[mysqldump]
quick
max_allowed_packet = 16M
[myisamchk]
key_buffer = 384M
sort_buffer = 384M
read_buffer = 256M
write_buffer = 256M
httpd.conf
KeepAlive: Off
MaxKeepAliveRequests: 100
KeepAliveTimeout: 1
MinSpareServers: 10
MaxSpareServers: 15
StartServers: 10
MaxClients: 150
MaxRequestsPerChild: 1000
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Jun 29, 2008
server load is low according to top command / mytop but what I dont understand all websites on the server are loading very slow.
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Feb 5, 2007
I'm hosting about 6 private websites on my server, and some have problems.
My biggest website is a vb forum with 30.000 members and 1.5 million posts.
When i browse with firefox i see that vb forum loads fast, but phpads which is integrated on the top and footer loads very slow. When i browse with IE, it takes like 10 seconds before the whole site is loaded and sometimes IE even crashes.
When i try to login on another website / admin panel (oscommerce), i get a mysql gone away error, that means timeout. But why does it show that? I ran mysqlreport and can't find anything why it should display mysql gone away.
# ./mysqlreport
MySQL 5.0.15-standard uptime 3 19:36:47 Mon Feb 5 11:08:10 2007
__ Key _________________________________________________________________
Buffer usage 78.94M of 96.00M %Used: 82.23
Write ratio 0.60
Read ratio 0.00
__ Questions ___________________________________________________________
Total 19.61M 59.47/s
Slow 9 0.00/s %Total: 0.00 %DMS: 0.00
DMS 7.17M 21.74/s 36.56
__ Table Locks _________________________________________________________
Waited 7.57k 0.02/s %Total: 0.05
Immediate 16.50M 50.03/s
__ Tables ______________________________________________________________
Open 1.27k of 1800 %Cache: 70.56
Opened 1.82k 0.01/s
__ Connections _________________________________________________________
Max used 47 of 500 %Max: 9.40
Total 2.62M 7.95/s
__ Created Temp ________________________________________________________
Disk table 6.77k 0.02/s
Table 635.25k 1.93/s
File 50.37k 0.15/s
I can't find any problems on the server which may lead to this strange problem.
The server load is normal, around 1 to 1.5. No weird errors in the apache error log or system log.
This strange behaviour started 2 weeks ago, and appears 2 to 3 time a week.
The system is running:
centos 4.3 64-bit
kernel 2.6.16.17 #1 SMP
directadmin 1.29.0
mysql 5.0.15
php 5.2
apache 2
Zend optimizer 3.2.0
Eaccelerator 1.95
One thing i noticed is that every night when the directadmin cron finished, the server acts normal again.
The directadmin cronjobs are:
* * * * * root /usr/local/directadmin/dataskq
2 0-23/6 * * * root echo 'action=vacation&value=all' >> /usr/local/directadmin/data/task.queue;
#5 5 * * 0 root /sbin/quotaoff -a; /sbin/quotacheck -augm; /sbin/quotaon -a;
20 4 1 * * root echo 'action=reset&value=all' >> /usr/local/directadmin/data/task.queue
0 4 * * * root echo 'action=check&value=license' >> /usr/local/directadmin/data/task.queue
10 0 * * * root /usr/local/directadmin/plugins/awstats/hooks/cgi-bin/awstats_updateall.pl now -awstatsprog=/usr/local/directadmin/plugins/awstats/hooks/cgi-bin/awstats.pl && echo 'action=tally&value=all' >> /usr/local/directadmin/data/task.queue
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Mar 26, 2015
My Plesk installation and websites are slow
OVH VPS
8G ram
100 G Harddisk
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May 7, 2009
I am using Putty to connect to my server via ssh.
When opening a direct connection, i can login quickly without any problem
Quote:
login as: gracie
gracie@server1's password:
Last login: Thu May 7 07:31:26 2009 from 192.168.0.5
gracie@server1 [~]# sudo su -
Password:
root@server1 [~]#
When I open a connection FROM ANOTHER SERVER, I have to wait more than 20 seconds
Quote:
login as: tech2
tech2@server2's password:
Last login: Thu May 7 07:32:07 2009 from 192.168.0.5
tech2@server2 [~]# ssh gracie@192.168.0.222
Password:
After I enter the password, I waited 20 seconds before I am logged in.
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Nov 11, 2008
I've got 25 domains on a Virtuozzo/Plesk8.6/CentOS5 VPS. Each domain has one up-to-date install of WordPress, most have very little traffic (average 200mb per month), maybe 2 domains get 5-7gb traffic per month.
I monitor port 80 connections and rarely see more than 10 at a time.
That should in my opinion be no problem at all for a VPS with 768mb guaranteed ram and 2.4ghz cpu. I've got 30gb hard drive spare too.
But.... about 8 or 10 times a day it grinds to a complete halt: server load at 500-1000%, sites timing out, plesk takes 3mins to load, often I can't even connect with SSH, and the plesk web server, apache
INSERT INTO module_watchdog_sys_stat (time, type, value, service_id) VALUES(FROM_UNIXTIME(1226404705), 'MAINMEM_USAGE', 17472, 11);
80 seconds sounds like a huge amount of time for a MySQL insert to me! Does anyone know if this is likely to be the cause of my trouble? Some problem with Plesk and the database? Or could it be something else?
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Oct 20, 2008
Every now and then I'll run into a website that has a message that says it was hacked by a certain hacker. How exactly do this? Do they hack into the actual server or do they somehow get a hold of the website owners FTP info?
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Oct 19, 2009
how many websites can stand on VPS with following configurations?
I'm asking this because Can I install whm reselling script like whmphp? or WHM Reseller creator?
It enables to create master reseller and whm reseller respectively. So there will be huge number of websites, databases, emails hosted on VPS
So which one to choose?
1.
Disk space - 10 GB
Bandwidth - 200 GB
Burst. RAM - 256 MB
Gurnt. RAM - 128 MB
Max CPU Usage (per CPU) - 80 %
OS - CentOS 5.3
2.
Disk space - 20 GB
Bandwidth - 400 GB
Burst. RAM - 512 MB
Gurnt. RAM - 256 MB
Max CPU Usage (per CPU) -
OS - CentOS 5.3
3.
Disk space - 30 GB
Bandwidth - 800 GB
Burst. RAM - 1024 MB
Gurnt. RAM - 512 MB
Max CPU Usage (per CPU) -
OS - CentOS 5.3
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Oct 17, 2009
I have a pretty 'beefy' VPS (Future Host 'Titanium' plan, 1Gb RAM, equal share, 750 Mb bandwidth, 50Gb disk).
I'm using it mostly to host relatively small, low-traffic Wordpress sites. Right now, there are about 40 domains & blogs set up.
The majority see only a few dozen visitors per day. A few have traffic around 100 visitors, and 1 or 2 may get up to 500 per day.
My question is, what might be a comfortable limit on domains/blogs I can host before I should start thinking about adding a 2nd VPS?
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Jul 30, 2009
We can't resolve any outside websites, for example wget won't resolve any websites.
elvis:~# wget [url]
--2009-07-30 03:12:15-- [url]
Resolving g-ecx.images-amazon.com... failed: Temporary failure in name resolution.
wget: unable to resolve host address `g-ecx.images-amazon.com'
elvis:~#
How can we debug this? Its just started to do this, before it was fine for months.
We can resolve IP addresses fine.
elvis:~# wget [url]
--2009-07-30 03:18:08-- http://206.251.77.82/~proxy/images/b...ntent-view.png
Connecting to 206.251.77.82:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 241 [image/png]
Saving to: `background-content-view.png'
100%[======================================>] 241 --.-K/s in 0s
2009-07-30 03:18:08 (63.8 MB/s) - `background-content-view.png' saved [241/241]
elvis:~#
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May 15, 2009
I have three domains that I want to host myself on my own computer. Two are temporary sites that I only put up on Memorial Day weekend for the Detroit Electronic Music Festival or Movement 09 to direct people to my after parties and the other site is a two page bio site for myself. I have a very tight budget this year and I can't afford to pay for web hosting all year round when these are only temporary sites even though I own the domain names all year round. I do know some of the promoters for the festival do the hosting themselves.
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Mar 10, 2008
I'm not sure why my brand new dual proc quad core xeon 2.5ghz harpertown gets time out when the server load is under .5
Like it'll be running ultra fast and suddenly, I can't get into ssh, whm, my websites or anything. When I ping it, no reponse. Is it because it restarted itself?
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Jun 14, 2008
Just out of curiosity, do the big boys deploy hosting solutions that are different from the ones we know?
They never complain of Network Outages or Hardware failure. How come the likes of Yahoo, Facebook, Youtube and the others are always there any second you need them?
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Jul 24, 2008
Earlier when my client's domain was not resolved he used to easily access his website using [url]
But after putting in the openbase dir protection they cannot access the site anymore.
how can the user view their site when openbase is protected?
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Oct 8, 2008
what are all the different types of websites? i know there's e-commerce, forums, blogs, personal and etc. what are some other types of websites people start?
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Oct 31, 2008
If one video was ~128MB and I had 800 videos, and if I had 3000 views on each video, then would a 100mbps line be able to handle that?
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Feb 2, 2007
This is a little wierd, I am not able to see any of my websites on my home network, but from anywhere else it seems too load just fine. Even when i go through a proxy site they load. I'm still able to get to WHM and cPanel from my home but the websites themself do not load.
this started happing yesturday and after a few hours it seemed to work again on its own.
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Jun 8, 2007
i have a reseller account with canaca.com the safe mode &security mode are on! and everythings was great! till those hackers bastards appeared! they somehow could upload a php shell files to my websites! and then they deleted everythings in 4 of my websites!
i contact my tech support and they restored my websites and i checked that there is no shell files! next day,my websites hacked again and there was i php shell files in them!
i deleted those god damn files and i deleted the page that the hackers put in my websites! you security is zero,and we will hacked the entire server.., but after 3 hours the pages returned and the shell files are there! i dont belive that! the
unbelivable this is that when i want to run those php shell files the safe mode stoped them doing anythings! so how can those bastards do what they do?how can they ulpload the files in the first place? is there any soultions to this problem! cause i restored my websites about 3 times now and everyting i restore it they hacked it again and again!
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Jan 17, 2007
I think I broke my server. I was trying to install Zend Optimizer, but it didn't work.
After doing some research, I found out that I needed to disable selinux. After doing so, I rebooted. Then I installed Zend Optimizer and rebooted again.
Since then, all my websites have been inaccessible. I can access my server through Plesk control panel, but connection to my websites just timeout.
What can I do to fix this?
Edit :
I can access my sites via FTP as well.
Edit 2 :
I tried starting Apache with the following command :
Quote:
/sbin/service httpd start
...but it keeps on telling me that the service is already in use.
It seems like TCP is bound to port 80.
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Jul 3, 2007
i currently have a reseller server in the states but ive seen for the money im paying (and im not using the space actually) i can get a VPS server here in the UK which i can combine for webhosting and other development projects. I am after a UK based VPS for the following requirements:
Host 15 websites
Access the box remotely and dial-in to the box which needs to be configured as a VPN server (the box will act as a router, i presume masquerading on eth0 for the connected vpn clients to go out through the server and onto the net).
Traffic will not be too high, maybe around 75GB per month.
Around 3-4 websites run forums on (small size phpbb) and the other sites are again small and mostly used for email.
I will need full root access and maximum configurability.
Preferably Suse 10 as i have worked with that before but i am open to suggestions on other OS. I need to configure the pppd service and easier this is via the OS the less time i have to dig in scripts and terminal! I wouldnt mind windows but on a VPS this will be a resource drain so i am happy to get more performance from the box by sticking with smaller footprint of linux.
Plesk for website management, or cpanel, i dont mind either way.
I dont however know how much CPU/RAM i will need, what is a sensible amount? I dont think my requirements are too strenuous, what would be a good sensible amount of RAM to select to allow me to host say 50 web sites in future?
I have heard good things on the forums for the following:
a2b2.com
cheapvps.co.uk
1and1.co.uk
I know you get what you pay for so i do need something reliable, but if people say the service from the above sellers is good i will go for them as the price is fantastic. It would be great to hear of other recommendations also.
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Apr 29, 2007
Does the client tell the site or a third party internet "authority" do so.
I've heard a guy that make a program that keep changing our IP. How can anyone do that?
I thought it requires a proxy to hide your IP. You can't just "lie" to a server right?
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Apr 27, 2009
So with a VPS you can host multiple websites?
Do certain packages come with WHM where you can make an account for each of your domains?
Also, what is the importance of having more IPs? Does having 1 IP allow me to have only 1 site hosted?
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Jun 16, 2009
we have one dev server that is hosting a website. I would like to use the same server to host another internal website. Can i do that?
I am using Linux centos OS.
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Jun 9, 2009
Don't know if anyone else saw this.
[url]
Once again points out the importance of backups.
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Feb 23, 2008
I used to check new websites before dns propagation by adding an entry to windows/system32/drivers/etc/hosts file and used to work perfectly. But now days I think IE7 and Firefox 2 is bypassing the hosts file and the method is not working.
any alternative method to check the website before dns propagation?
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Sep 16, 2008
I currently have a problem with my websites email going to spam. Most of the mail my website sends out, responses to registration, lost passwords etc...gets sent to spam. I have never used this site to send mass email or newsletters. I was thinking of getting an external hosted email solution, but wanted to know what you thought is the best solution for this and what you use to send out emails from your site.
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Jul 11, 2008
Before I buy a dedicated server I would like to browse other sites hosted by olm.
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Jun 29, 2008
I remember using a few years ago a site where you could plugin a domain name and a report will run showing if the site was vieable or accessible from all different parts of the worls, I forgot the URL does anyone know abou something like this?
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Jan 12, 2008
We have an issue with websites load very slowly in a new server (centos) and we recieve an email from the server stating the following:
IMPORTANT: Do not ignore this email.
The hostname (ns.domain.com) resolves to . It should resolve to
xx.xxx.xxx.90. Please be sure to correct /etc/hosts as well as the 'A'
entry in zone file for the domain.
Some are all of these problems can be caused by
/etc/resolv.conf being setup incorrectly. Please check this file if
you believe everything else is correct.
You may be able to automaticly correct this problem by using the ' Add an A entry for your hostname ' under ' Dns Functions ' in your Web Host Manager
and when we restart "DNS Server (BIND)" or "named" we get as part of the output the following:
view localhost_resolver: received notify for zone 'domain.com': not authoritative
Please find below the contents of /etc/hosts , /etc/resolv.conf and /etc/sysconfig/network:
/etc/hosts:
::1 localhost6.localdomain6 localhost6
# Do not remove the following line, or various programs
# that require network functionality will fail.
XX.xxx.xxx.90 ns.domain.com ns
127.0.0.1 localhost
/etc/resolv.conf :
#domain domain.com
#search domain.com
#nameserver 127.0.0.1
nameserver xx.xxx.xxx.92
nameserver xx.xxx.xxx.93
/etc/sysconfig/network:
NETWORKING=yes
NETWORKING_IPV6=yes
GATEWAY=xx.xxx.xxx.xx
HOSTNAME=ns.domain.com
DOMAINNAME=domain.com
So what could be wrong with the above settings?
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