VBulletin Forum Very Slow Under High Load
Apr 15, 2007
I recently started hosting a large vBulletin forum (14,014 registered users... 30-60 online at a time) on one of my dedicated servers. When there's a lot of activity on the forums, things start getting really slow. There will be like 50 php-cgi processes running. Some users get blank pages, others get this message:
Notice: Undefined variable: errfile in [path]/forums/includes/functions_log_error.php on line 163
Specs of the server are:
AMD Athlon 64 3000+
160GB SATA HDD
2GB DDR2 RAM
FreeBSD 6.2 (Hosted at AwkNet)
Could there be any Apache modifications I can make to increase performance, or anything else I could try?
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Aug 20, 2008
What is the best way to load balance a vbulletin forum?
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Oct 12, 2007
I just added a database server in private network and moved the database for Vbulletin Forum to this server.
But some how, the Forum is loading extremely slow compare to before ( when it was on the localhost). Also, Compare to another website on server (using local database) it is much slower.
One thing good is the load is lower
2 servers are connected via 10mbs private link, both servers are at Softlayer.
webserver: Opteron 170, 2GB RAM, 73GB SCSI 15K
database: Quad Xeon 3220, 2GB RAM, 73GB SCSI 15K.
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Dec 7, 2008
Don't know if it is some kind of attack or this is normal but the Server load goes reaching 20 in most of the times and may be greater!
this is the mysql_process list
jarabhar_JUHyyuh is opening alot of connections in the same time and this is not the normal behavior ....
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Oct 31, 2009
My server is very slow, High CPU, High Apache load....
I got a new server and i had setup a script on it.
No server tweaks has been done.
I run a filehosting site so it gets very slow when traffic is high.
Here is some info:
Code:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
4135 filedip 19 0 12812 8892 2212 R 18.9 0.4 0:00.74 index.cgi
3140 apache 15 0 22624 9604 2768 S 17.3 0.5 1:54.45 httpd
3556 apache 15 0 22792 9592 2768 S 17.3 0.5 0:43.53 httpd
3739 apache 15 0 22672 9556 2744 S 17.3 0.5 1:09.67 httpd
3884 apache 15 0 22664 9560 2744 S 17.3 0.5 0:23.98 httpd
3474 apache 15 0 22672 9572 2756 R 16.1 0.5 1:34.09 httpd
3548 apache 15 0 22792 9560 2740 S 16.1 0.5 1:33.67 httpd
3991 apache 15 0 22640 9588 2756 S 15.1 0.5 0:22.44 httpd
3475 apache 15 0 22672 9580 2756 S 13.2 0.5 1:31.42 httpd
3493 apache 15 0 22664 9592 2768 S 12.9 0.5 1:15.52 httpd
3769 apache 15 0 22664 9580 2756 S 12.9 0.5 0:45.19 httpd
3638 apache 15 0 22664 9576 2756 S 12.3 0.5 0:32.82 httpd
3724 apache 16 0 22664 9580 2756 R 12.3 0.5 0:34.25 httpd
3626 apache 15 0 22672 9580 2756 S 11.7 0.5 0:52.54 httpd
4023 apache 16 0 22792 9560 2740 R 11.3 0.5 0:13.16 httpd
3882 apache 15 0 22664 9576 2756 S 10.1 0.5 0:38.56 httpd
3005 apache 15 0 22672 9588 2768 R 9.1 0.5 2:06.61 httpd
I dont know much about server managment...
how to fix this so server doesnt go slow?
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Mar 11, 2009
I am currently hosting my website on one server with the specs:
2.8ghz Dual Quad-Core processor + 8 gigs of ram + two 500 hard drives with a 50 mbps unmetered bandwidth package.
My current problem lies in high server loads and very slow server performance throughout the day.
I am considering migrating over to The Planet onto server with the specs:
3.0ghz Dual Quad-Core + 18 gigs of ram + two 50gb hard drives with 2TB of monthly bandwidth transfer.
In an attempt to have great bandwidth pricing and server performance, I plan on downgrading my current server with my current host to a lowe-end server and keeping it only to host my VIDEO and MUSIC files with the 50mbps unmetered package. The Planet will then host my database and all other web related files on their new server.
Is this a good idea as an attempt to save money in bandwidth costs and eliminating my server lag issues?
I was offered a setup of a separate web and database server at my current host but from what I have read, no one touches the performance and reliability The Planet has to offer.
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Dec 10, 2014
Today, without any change on the server side my single running website on my server started running low. After checking the running processes I realised I have these 8 processes running with high cpu load something that didn't had before.
4245 user 20 0 283m 103m 10m R 85.1 0.3 6:44.88 /usr/bin/php-cgi -c /var/www/vhosts/system/domain/etc/php.ini
4243 user 20 0 241m 68m 8736 R 83.8 0.2 6:33.45 /usr/bin/php-cgi -c /var/www/vhosts/system/domain/etc/php.ini
4259 user 20 0 254m 82m 8720 R 83.5 0.3 6:11.00 /usr/bin/php-cgi -c /var/www/vhosts/system/domain/etc/php.ini
4244 user 20 0 282m 103m 10m R 82.1 0.3 6:46.49 /usr/bin/php-cgi -c /var/www/vhosts/system/domain/etc/php.ini
4247 user 20 0 248m 76m 8712 R 78.8 0.2 6:50.31 /usr/bin/php-cgi -c /var/www/vhosts/system/domain/etc/php.ini
4264 user 20 0 258m 85m 8712 R 72.9 0.3 6:49.83 /usr/bin/php-cgi -c /var/www/vhosts/system/domain/etc/php.ini
apache error log doesn't show any warnings, errors.
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Oct 25, 2009
My site has outgrown my current host and I'm strongly leaning towards a vps. I am relatively inexperienced with web hosting as for the last 18 months I've had very few issues with my current host (Stream101.com). They are currently saying my site is very memory and processor intensive which is why I'm going to have to leave them soon(I can't pay the dedicated server prices that would give my site the stability I desire).
About my site:
My site has 18,000+ users, its about 18 months old. 5,632 threads, 78,967 posts. It used about 150gig of bandwidth last month. The site is growing quickly (IMO). The site makes some money, but not enough to justify spending what it would cost for a dedicated server.
I'm happy to provide any other information, but what I am looking for is suggestions on:
1) Is a VPS the right choice for my site in your opinion.
2) What hosting company's would you suggest I look into.
3) How much ram/processor speed should I be looking for
4) any other information you feel I should know about this.
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May 3, 2008
I want to run a SMALL vbulletin forum with a maximum of 500-1000 people.
Is hostingpuppy the right host service for me? they are cheap plus they have good uptime and alot of people love them.
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May 30, 2007
that my vbulletin forum redirect to another site
i upgrade to last version but i still have the same error
i have root access and want to know how i can restrict direct to another server
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Dec 10, 2007
Hello,
Lunarpages and jerked me around enough times that I'm considering other options. I won't go into too many details, but they recently moved me to a new server that was configured completely different and my forum ended up being down for 4 days. During that time, their support was non-existent. Now, they keep sending me emails that I'm exceeding my alloted CPU usage. They want me to upgrade.
Admittedly, I am using their lower end hosting, which I think I paid $100 for the year or something.
After the way I've been treated, I can't imagine spending another dime at Lunarpages. So I'm looking for new hosting options. My forum is growing, but it certainly isn't a large forum. I have about 30-40 new members join each day and I usually have about 1,000 active members. I'm running vbseo and a few mods, but my unique hits per day is probably around 2,000 uniques per day for the forum give or take. My forum does use quite a bit of bandwidth as people upload songs they have recorded and submit them for review frequently.
I've considered the notion of having a server built for me and paying $100 per month for colocation and being done with it, but I'd prefer to avoid this cost, if possible.
Any suggestions?
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Oct 9, 2009
I am the owner of the vbulletin forum. The forum is young but it is growing rapidly. It has 11000 posts, 800 members and about 30 users online. I use many mods which are server intensive.
I was on a semi-dedicated hosting (Westnic), which I shared with my friend to reduce the costs. Now I feel I should move on, because this package is becoming too small for both of us.
I wanted to upgrade my hosting package to a bigger one, but now when I have read so many horrible stories about this host, I really don't want to stay with Westnic.
So I am looking for a reliable host for my forum.
I am still now sure whether I need a semi-dedicated, VPS or a dedicated server. Also, I am not sure how much dedicated memory a forum like mine would need. Also, I am not sure about the location of the server - does it really matter?
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Apr 16, 2008
I am about to purchase a vbulletin license in a few days and start a site. I will start the forums first and get the talking going and build the main site afterwards. Of course the site will suck at first as far as visitors. But what is a good hosting plan to support me for a good little while? I project we'll get up to 150 active users at a time within the first 6 or 7 months with about 50 browsing the main site....(nothing wrong with wishful thinking )
So, what hosting plan is best to hold me for a while? Not which company, but what specs of the plan are best to hold 100 active users at a time? I dont want to continue to upgrade my hosting plan alot. I'd rather just buy a nice shared hosting plan now to hold me for at least a year or so....until I have to upgrade.
For those who have dedicated servers, at one point is it time to upgrade to a dedicated server?
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Oct 25, 2009
I'm promting a new Joomla! website and a new vBulletin forum. The website serves to news articles, some statistics (related to a football club) and also a small photo and video gallery. The forum would have an average of 40-50 online users.
I'm considering to choose the baby package offered by Host Gator. Would that be a good choice?
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Oct 23, 2009
I have formated my linux Centos 4 server with PHP 4.4 and install Centos 5 with PHP 5.1 ( will upgrade to 5.2 soon ).
I succeed to restore all of my web sites and forums except one which has 110MB sql file, VBulletin 3.6.8.
I think the problem is related on my hack's and modifications I have done before...
Now I decided to install a new and fresh forum with version of 3.6.8 to be the same with ex one ( I will upgrade it after transferring ( migrating ) every threads, posts and members to new forum to 3.8.4)
But the problem is: when I restore the whole sql to new forum I had come across many problems.
THE QUESTION IS:
how can I transfer just "threads", "posts" and "members" to a new and fresh vBulletin forum ?
please note that my forum is not working now and I just have a "whole-website-backup.SQL" file and also back up of whole database folder in the linux ( it contains .frm , .MYD , .MYI files like: mst_post.frm , mst_post.MYD , mst_post.MYI and others...)
I have tried to copy these .frm .MYD and .MYI files on the new database folder but it was not worked!
I think I must restore by the help of .SQL file but I dont know how! when I recover whole the .SQL file forum does not work good and had some problem ( I can't log in to admin panel for example, and my VBSeo configurations gone and can't be repaire...
Please show me how can I transfer just my Posts and members to a NEW installed VBulletin forum with same or different "database name" and "database username".
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Jun 18, 2008
I've problem with my system (Dell vostro200) I've Mcafee security center and it will block some scripts running in the system during the browsing. I can't use any of vBulletin forums ( registration and posting ) I can't do even Mcafee online registratation also. I'm not an expert in os configurations.
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Dec 6, 2007
running a vb forum around 400 members online and 300 guests(they don't have access to forum)..
here's my top list
top - 20:27:49 up 2:48, 1 user, load average: 7.41, 3.93, 2.00
Tasks: 164 total, 7 running, 157 sleeping, 0 stopped, 0 zombie
Cpu(s): 79.0%us, 3.8%sy, 0.0%ni, 16.6%id, 0.0%wa, 0.0%hi, 0.7%si, 0.0%st
Mem: 2059456k total, 1379400k used, 680056k free, 74100k buffers
Swap: 2031608k total, 0k used, 2031608k free, 578940k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
25037 apache 15 0 43488 20m 5168 S 25 1.0 0:05.08 httpd
25021 apache 15 0 45168 21m 4840 S 20 1.1 0:06.22 httpd
25033 apache 15 0 44072 20m 4900 S 15 1.0 0:04.18 httpd
25281 apache 16 0 41388 18m 4792 S 13 0.9 0:03.09 httpd
924 apache 15 0 47036 24m 6208 S 11 1.2 2:04.58 httpd
25000 apache 15 0 43036 19m 4884 S 9 1.0 0:04.27 httpd
25019 apache 15 0 44432 20m 4880 S 9 1.0 0:03.58 httpd
25793 apache 16 0 40228 16m 4656 R 8 0.8 0:00.25 httpd
24398 apache 16 0 42896 19m 5232 R 8 1.0 0:04.65 httpd
2516 apache 15 0 43868 21m 5412 S 7 1.0 1:42.88 httpd
916 apache 15 0 46212 23m 6268 S 7 1.2 2:01.07 httpd
25032 apache 15 0 42544 19m 4828 S 7 0.9 0:02.72 httpd
2674 mysql 15 0 180m 45m 4860 S 7 2.3 5:31.09 mysqld
23073 apache 15 0 44728 21m 5216 S 6 1.1 0:13.05 httpd
23062 apache 15 0 42992 19m 4916 S 5 1.0 0:16.05 httpd
25007 apache 15 0 47484 24m 5100 S 2 1.2 0:03.22 httpd
15795 apache 15 0 46944 23m 5544 S 1 1.2 0:47.47 httpd
16339 apache 15 0 46212 22m 5076 R 1 1.1 0:47.83 httpd
25038 apache 15 0 42336 18m 4788 S 1 0.9 0:02.92 httpd
16339 apache 15 0 46208 22m 5076 S 3 1.1 0:47.79 httpd
25020 apache 15 0 44860 21m 4864 S 2 1.1 0:04.71 httpd
25079 apache 17 0 45828 22m 4860 R 2 1.1 0:04.15 httpd
16361 apache 15 0 44872 21m 5392 S 1 1.1 0:50.04 httpd
22666 apache 15 0 43748 20m 5272 S 1 1.0 0:14.98 httpd
22671 apache 15 0 43320 20m 5244 S 1 1.0 0:16.42 httpd
25032 apache 15 0 42544 19m 4824 S 1 0.9 0:02.51 httpd
916 apache 15 0 46212 23m 6268 S 0 1.2 2:00.86 httpd
24247 root 15 0 2164 1104 816 R 0 0.1 0:00.64 top
25009 apache 15 0 43028 19m 4828 S 0 1.0 0:03.32 httpd
25034 apache 15 0 43492 20m 5128 S 0 1.0 0:02.63 httpd
25268 apache 15 0 40892 17m 4676 S 0 0.9 0:00.49 httpd
25282 apache 15 0 41168 17m 4700 S 0 0.9 0:01.37 httpd
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Dec 1, 2007
I got a dedicated server which hosted 45 sites, one of those sites contains a vbulletin forum application since january 2007 , but from two weeks i found that there is a high amount of Queries from the this database which leads the server load to be always in RED and exceeds 200 or 300! and the memory is totally consumed!
i tried alot to solve this problem as :
- reinstall the vb.
- change the vb path to another ( considering it as attack)
- installing BFD , APF , ( considering it as attack )
- upgrading to apache 2.2.6 , PHP 5.2.5 , MySQL 5.0.24 ( considering it as a bug)
this is the sample of queries.
Code:
46978hakawyc_SKJI8jjlocalhosthakawyc_froumvbSleep40
NULL46980hakawyc_SKJI8jjlocalhosthakawyc_froumvbSleep38
NULL46990hakawyc_SKJI8jjlocalhosthakawyc_froumvbSleep38
NULL47034hakawyc_SKJI8jjlocalhosthakawyc_froumvbSleep30
NULL47086hakawyc_SKJI8jjlocalhosthakawyc_froumvbSleep23
NULL47092hakawyc_SKJI8jjlocalhosthakawyc_froumvbSleep19
NULL47095hakawyc_SKJI8jjlocalhosthakawyc_froumvbSleep23
NULL47099hakawyc_SKJI8jjlocalhosthakawyc_froumvbSleep23
NULL47122hakawyc_SKJI8jjlocalhosthakawyc_froumvbSleep24
NULL47124hakawyc_SKJI8jjlocalhosthakawyc_froumvbSleep24
NULL47126hakawyc_SKJI8jjlocalhosthakawyc_froumvbSleep24
NULL47127hakawyc_SKJI8jjlocalhosthakawyc_froumvbSleep24
NULL47142hakawyc_SKJI8jjlocalhosthakawyc_froumvbQuery22Sending dataSELECT *
FROM datastore
WHERE title IN ('','options','bitfields','attachmentcache','forumcache47143hakawyc_SKJI8jjlocalhosthakawyc_froumvbQuery0Writing to netSELECT moderator.*, user.username,
IF(user.displaygroupid = 0, user.usergroupid, user.displaygroup47144hakawyc_SKJI8jjlocalhosthakawyc_froumvbQuery22LockedSELECT *
FROM datastore
WHERE title IN ('','options','bitfields','attachmentcache','forumcache47145hakawyc_SKJI8jjlocalhosthakawyc_froumvbQuery22LockedSELECT *
FROM datastore
WHERE title IN ('','options','bitfields','attachmentcache','forumcache47147hakawyc_SKJI8jjlocalhosthakawyc_froumvbQuery22Writing to netSELECT *
FROM datastore
WHERE title IN ('','options','bitfields','attachmentcache','forumcache47151hakawyc_SKJI8jjlocalhosthakawyc_froumvbSleep16
NULL47159hakawyc_SKJI8jjlocalhosthakawyc_froumvbSleep17
NULL47166hakawyc_SKJI8jjlocalhosthakawyc_froumvbSleep15
NULL47177hakawyc_SKJI8jjlocalhosthakawyc_froumvbSleep0
NULL47180hakawyc_SKJI8jjlocalhosthakawyc_froumvbSleep16
NULL47211hakawyc_SKJI8jjlocalhosthakawyc_froumvbSleep10
NULL47251hakawyc_SKJI8jjlocalhosthakawyc_froumvbSleep0
NULL47283rootlocalhostNULLQuery0NULLSHOW PROCESSLIST
Once i disabled the database the server load became normal again
another example for Queries :
Code:
117445 hakawyc_SKJI8jj localhost hakawyc_froumvb Sleep 49 NULL
117497 hakawyc_SKJI8jj localhost hakawyc_froumvb Sleep 42 NULL
117667 hakawyc_SKJI8jj localhost hakawyc_froumvb Query 24 NULL SELECT *ntttFROM datastorentttWHERE title IN ('','options','bitfields','attachmentcache','forumcache
117790 hakawyc_SKJI8jj localhost hakawyc_froumvb Sleep 7 NULL
117791 jarabhar_vb localhost jarabhar_vb Sleep 7 NULL
117793 hakawyc_SKJI8jj localhost hakawyc_froumvb Sleep 7 NULL
117795 hakawyc_SKJI8jj localhost hakawyc_froumvb Sleep 8 NULL
117798 hakawyc_SKJI8jj localhost hakawyc_froumvb Sleep 8 NULL
117799 hakawyc_SKJI8jj localhost hakawyc_froumvb Sleep 8 NULL
117802 unauthenticated user localhost NULL Connect NULL Reading from net NULL
117803 unauthenticated user localhost NULL Connect NULL Reading from net NULL
117804 unauthenticated user localhost NULL Connect NULL Reading from net NULL
117805 unauthenticated user localhost NULL Connect NULL Reading from net NULL
117806 unauthenticated user localhost NULL Connect NULL Reading from net NULL
117807 unauthenticated user localhost NULL Connect NULL Reading from net NULL
117808 hakawyc_SKJI8jj localhost hakawyc_froumvb Query 9 Sending data SELECT *ntttFROM datastorentttWHERE title IN ('','options','bitfields','attachmentcache','forumcache
117818 jarabhar_vb localhost jarabhar_vb Query 8 Sorting result SELECT post.postidntttFROM post AS postntttntttWHERE post.threadid = 52572nttttAND post.visible = 1n
117821 hakawyc_SKJI8jj localhost hakawyc_froumvb Query 8 Sending data SELECT *ntttFROM datastorentttWHERE title IN ('','options','bitfields','attachmentcache','forumcache
117829 jarabhar_vb localhost jarabhar_vb Query 8 Sending data SELECT *ntttFROM datastorentttWHERE title IN ('','options','bitfields','attachmentcache','forumcache
117832 hakawyc_SKJI8jj localhost hakawyc_froumvb Query 7 statistics SELECT post.*,ntttIF(visible = 2, 1, 0) AS isdeleted,ntttnnttteditlog.userid AS edit_userid, editlog
117833 jarabhar_vb localhost jarabhar_vb Query 7 statistics SELECT IF(visible = 2, 1, 0) AS isdeleted,ntttnntttNOT ISNULL(subscribethread.subscribethreadid) AS
117834 hakawyc_SKJI8jj localhost hakawyc_froumvb Query 7 statistics SELECT languageid,ntttphrasegroup_holiday AS phrasegroup_holiday,ntttphrasegroup_global AS phrasegro
117835 hakawyc_SKJI8jj localhost hakawyc_froumvb Query 7 Writing to net SELECT *ntttFROM datastorentttWHERE title IN ('','options','bitfields','attachmentcache','forumcache
117836 hakawyc_SKJI8jj localhost hakawyc_froumvb Query 7 Sending data SELECT *ntttFROM datastorentttWHERE title IN ('','options','bitfields','attachmentcache','forumcache
117840 hakawyc_SKJI8jj localhost hakawyc_froumvb Query 7 Sending data SELECT forum.forumid, lastpost, lastposter, lastthread, lastthreadid, lasticonid, threadcount, reply
117841 hakawyc_SKJI8jj localhost hakawyc_froumvb Query 7 Sending data SELECT *ntttFROM datastorentttWHERE title IN ('','options','bitfields','attachmentcache','forumcache
117842 hakawyc_SKJI8jj localhost hakawyc_froumvb Query 7 Sending data SELECT *ntttFROM datastorentttWHERE title IN ('','options','bitfields','attachmentcache','forumcache
117843 hakawyc_SKJI8jj localhost hakawyc_froumvb Query 7 Sending data SELECT *ntttFROM datastorentttWHERE title IN ('','options','bitfields','attachmentcache','forumcache
117845 hakawyc_SKJI8jj localhost hakawyc_froumvb Sleep 2 NULL
117846 hakawyc_SKJI8jj localhost hakawyc_froumvb Killed 0 NULL NULL
117847 unauthenticated user localhost NULL Connect NULL Reading from net NULL
117848 hakawyc_SKJI8jj localhost NULL Connect NULL Writing to net NULL
117849 unauthenticated user connecting host NULL Connect NULL login NULL
117850 unauthenticated user connecting host NULL Connect NULL login NULL
117851 unauthenticated user connecting host NULL Connect NULL login NULL
117852 unauthenticated user connecting host NULL Connect NULL login NULL
117853 unauthenticated user connecting host NULL Connect NULL login NULL
117854 unauthenticated user connecting host NULL Connect NULL login NULL
117855 unauthenticated user connecting host NULL Connect NULL login NULL
117856 unauthenticated user connecting host NULL Connect NULL login NULL
117857 unauthenticated user connecting host NULL Connect NULL login NULL
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Dec 9, 2007
Usually I install every single PHP application on a new database. But I was thinking of installing a Joomla website and a SMF forum on one database with different table suffixes. Whether I install them in the same database or a different database, they will still be on the same host.
So does it make any difference to put them in different databases or should I just put them in one database?
The site/forum is for a little WoW guild website and it might get maybe 30ish visitors a day.
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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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Feb 20, 2008
I have a cPanel server with 4GB RAM
My server hangs time to time, once or twice a day. This is the last status when it happens.
Server Load 75.90 (2 cpus)
Memory Used 92 %
Swap Used 65.78 %
When I was still inside SSH when it happens, the processes I can see inside "top" are a lot of httpd processes.
So I "killall -9 httpd", I had to do it 30~40 times
#killall -9 httpd
#killall -9 httpd
#killall -9 httpd
x 30~40 times until no pid process found & the server load is back to normal.
Before that, I check httpd fullstatus, they look very normal, same goes to what I see inside WHM Apache status & cpu usage status.
At first I thought it was a memory problem after consulting with a server admin, so I replaced all 4GB new ram stick (such a waste)
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Jul 2, 2009
I have a site that is eating up my server resources and need to know what the best solution for this is. I'm thinking of getting another server just for mysql but do not know what specs the server should be to handle the current traffic/database load and have the site run smoothly without slowing down to a snail's pace.
An alternative is to get another server just for the videos being served and leave the database and html on the current server. This is where I'm stuck and don't know what route to take with this.
My current server stats:
Dual Xeon 5130
4GB RAM
250GB
50 Mbit/sec
CentOS 3.9
Website traffic stats:
15,000 visitors/day
150,000 pageviews/day
Serving videos
I've attached screenshots of top and bandwidth usage per day. Hopefully with this information you could tell me if I need another server or if there are any things I can do to the current server to help things move faster.
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Jul 2, 2008
I am running in a High load problem lately. I have one of those cheap 1and1 servers which was running fine until 2 weeks ago. Once I rebooted accidentaly, it did not come back with some unrepairable kernel errors and I had to re-image it.
I chose to reimage the server with CentOS 5, for better support. The new re-image worked fine for some days, at least so I thought and now I am having high loads. The server crashes if not monitored every moment as the load is unpredictable.
Just a restart of the Apache will bring the server back to normality, but I am not sure if it is apache or some other script to be blamed.
I have beeing monitoring through apache server-status, but I cannot organize something unusual in the high load moments.
At this moment for example:
top - 09:00:36 up 15:43, 3 users, load average: 3.57, 4.60, 5.32
Tasks: 144 total, 2 running, 142 sleeping, 0 stopped, 0 zombie
Cpu(s): 10.6%us, 6.5%sy, 0.0%ni, 18.7%id, 63.5%wa, 0.2%hi, 0.5%si, 0.0%st
12:00:29 AM CPU %user %nice %system %iowait %steal %idle
12:10:01 AM all 9.14 0.00 5.52 44.66 0.00 40.68
12:20:14 AM all 6.83 0.00 3.98 27.88 0.00 61.32
12:30:10 AM all 6.44 0.00 4.20 81.25 0.00 8.11
12:40:09 AM all 5.25 0.00 4.09 81.93 0.00 8.73
12:50:15 AM all 5.11 0.00 3.79 90.74 0.00 0.36
01:00:07 AM all 7.22 0.00 4.52 57.11 0.00 31.15
01:10:13 AM all 6.89 0.00 4.01 55.38 0.00 33.71
01:20:14 AM all 4.37 0.00 3.27 41.88 0.00 50.48
01:30:25 AM all 4.26 0.00 3.29 63.42 0.00 29.03
01:40:06 AM all 27.18 0.00 4.75 58.27 0.00 9.80
01:50:03 AM all 29.64 0.00 6.61 51.50 0.00 12.25
02:00:07 AM all 27.00 0.00 8.48 55.49 0.00 9.03
02:10:10 AM all 19.29 0.00 4.97 73.80 0.00 1.94
02:20:04 AM all 37.85 0.00 6.78 40.70 0.00 14.67
02:30:05 AM all 15.65 0.00 4.80 68.47 0.00 11.08
02:40:08 AM all 9.06 0.00 5.60 37.49 0.00 47.86
02:50:07 AM all 5.36 0.00 3.62 42.29 0.00 48.73
03:00:02 AM all 6.05 0.00 4.08 47.27 0.00 42.60
03:10:02 AM all 4.22 0.00 3.68 38.17 0.00 53.93
03:20:02 AM all 4.06 0.00 3.75 41.37 0.00 50.82
03:30:22 AM all 4.42 0.00 3.93 45.25 0.00 46.41
03:40:11 AM all 4.34 0.00 3.95 39.58 0.00 52.13
03:50:02 AM all 4.67 0.00 4.01 32.53 0.00 58.80
04:00:08 AM all 3.72 0.00 3.87 28.40 0.00 64.02
04:10:02 AM all 13.49 0.00 6.58 20.82 0.00 59.10
04:20:01 AM all 6.70 0.00 4.63 6.06 0.00 82.61
04:30:02 AM all 1.44 0.00 1.21 4.75 0.00 92.59
04:40:01 AM all 12.42 0.00 8.12 7.65 0.00 71.81
04:50:02 AM all 1.43 0.00 1.07 4.02 0.00 93.47
05:00:02 AM all 1.60 0.00 1.40 8.62 0.00 88.38
05:10:10 AM all 3.80 0.00 3.02 17.86 0.00 75.32
05:20:06 AM all 5.10 0.00 4.22 23.34 0.00 67.34
05:30:02 AM all 1.54 0.00 1.40 11.22 0.00 85.85
05:40:05 AM all 1.75 0.00 1.89 13.12 0.00 83.23
05:50:12 AM all 2.15 0.00 2.22 18.92 0.00 76.72
06:00:02 AM all 1.92 0.00 2.01 12.87 0.00 83.20
06:10:02 AM all 2.27 0.00 2.16 11.53 0.00 84.04
06:20:03 AM all 3.56 0.00 3.02 25.26 0.00 68.16
06:30:10 AM all 2.66 0.00 2.05 18.13 0.00 77.16
06:40:02 AM all 2.58 0.00 2.25 22.87 0.00 72.30
06:50:02 AM all 2.68 0.00 1.92 15.77 0.00 79.63
07:00:03 AM all 3.06 0.00 2.48 26.01 0.00 68.46
07:10:03 AM all 3.65 0.00 3.20 36.54 0.00 56.61
07:10:03 AM CPU %user %nice %system %iowait %steal %idle
07:20:03 AM all 4.40 0.00 3.28 43.86 0.00 48.46
07:30:02 AM all 4.10 0.00 3.17 31.30 0.00 61.43
07:40:06 AM all 7.67 0.00 3.95 50.79 0.00 37.59
07:50:02 AM all 4.72 0.00 3.11 44.30 0.00 47.86
08:00:03 AM all 5.57 0.00 3.72 47.15 0.00 43.56
08:10:07 AM all 10.66 0.00 3.59 71.62 0.00 14.13
08:20:17 AM all 5.67 0.00 3.42 58.81 0.00 32.10
08:30:10 AM all 11.12 0.00 3.49 76.71 0.00 8.67
08:40:03 AM all 7.00 0.00 3.36 47.94 0.00 41.71
Average: all 7.53 0.00 3.76 38.90 0.00 49.81
Some configurations:
The reimage partittioning looks like this:
/dev/sda1 950M 138M 765M 16% /
/dev/sda5 4.7G 1.9G 2.9G 40% /usr
/dev/sda7 63G 58G 5.0G 93% /var
/dev/sda6 4.7G 23M 4.7G 1% /home
none 1.0G 500K 1.0G 1% /tmp
KeepAlive On
MaxKeepAliveRequests 300
KeepAliveTimeout 15
<IfModule prefork.c>
StartServers 10
MinSpareServers 20
MaxSpareServers 50
ServerLimit 256
MaxClients 180
MaxRequestsPerChild 2000
</IfModule>
<IfModule worker.c>
StartServers 2
MaxClients 150
MinSpareThreads 25
MaxSpareThreads 75
ThreadsPerChild 25
MaxRequestsPerChild 0
</IfModule>
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
skip-locking
query_cache_limit=1M
query_cache_size=32M
query_cache_type=1
max_connections=250
interactive_timeout=100
wait_timeout=20
connect_timeout=10
thread_cache_size=80
key_buffer=64M
join_buffer=1M
max_allowed_packet=16M
table_cache=512
record_buffer=1M
sort_buffer_size=1M
read_buffer_size=1M
max_connect_errors=10
thread_concurrency=2
read_rnd_buffer_size=1M
myisam_sort_buffer_size=64M
server-id=1
processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 3
model name : Intel(R) Pentium(R) 4 CPU 2.80GHz
stepping : 4
cpu MHz : 2793.324
cache size : 1024 KB
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Nov 8, 2008
I have extremely high CPU load average, but when I run TOP command there are not any process with high CPU
CPU load averages:
211.65 (1 min) 227.29 (5 mins) 247.89 (15 mins)
Tasks: 364 total, 2 running, 360 sleeping, 2 stopped, 0 zombie
Cpu(s): 0.0%us, 0.3%sy, 0.0%ni, 0.0%id, 99.7%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 2065460k total, 2012372k used, 53088k free, 60964k buffers
Swap: 2040212k total, 3280k used, 2036932k free, 619900k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
19871 root 15 0 4944 2488 1656 R 1 0.1 0:02.73 top
1 root 15 0 4208 1320 1136 S 0 0.1 0:01.55 init
2 root RT 0 0 0 0 S 0 0.0 0:00.00 migration/0
3 root 34 19 0 0 0 S 0 0.0 0:01.77 ksoftirqd/0
4 root RT 0 0 0 0 S 0 0.0 0:00.01 migration/1
5 root 34 19 0 0 0 S 0 0.0 0:01.16 ksoftirqd/1
6 root 10 -5 0 0 0 S 0 0.0 0:01.04 events/0
7 root 10 -5 0 0 0 S 0 0.0 0:00.65 events/1
8 root 10 -5 0 0 0 S 0 0.0 0:00.00 khelper
9 root 11 -5 0 0 0 S 0 0.0 0:00.00 kthread
35 root 10 -5 0 0 0 S 0 0.0 0:00.15 kblockd/0
36 root 10 -5 0 0 0 S 0 0.0 0:00.00 kblockd/1
37 root 15 -5 0 0 0 S 0 0.0 0:00.00 kacpid
127 root 10 -5 0 0 0 S 0 0.0 0:13.16 ata/0
128 root 16 -5 0 0 0 S 0 0.0 0:00.00 ata/1
129 root 10 -5 0 0 0 D 0 0.0 0:01.15 ata_aux
130 root 10 -5 0 0 0 S 0 0.0 0:00.00 kseriod
158 root 16 0 0 0 0 S 0 0.0 0:00.00 pdflush
159 root 15 0 0 0 0 D 0 0.0 0:01.00 pdflush
160 root 10 -5 0 0 0 S 0 0.0 0:10.68 kswapd0
161 root 11 -5 0 0 0 S 0 0.0 0:00.00 aio/0
So my server is "unresponsive" for abour 18 hours, burst net didnt answer my tickets and I dont know what to do. Ive been with this setup for almost 5 months with no problems, No changes have been made to hardware or software.
Im using Centos 5.0
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May 14, 2009
I dont know much about what could be cuasing this so i come to you for advice, i am currently at wired tree on their VPS384 package with 348MB of ram and my site is really slow to load [url]sometimes it is so embaressing to show people i just dont bother, i am sure this is deferring visitors from my content how can i speed this up?
I can add more ram but it will push the price and if the price goes too high i might aswell move to a Hybrid with wiredtree.
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Apr 24, 2008
My server gets 300 - 600 concurrent connections to http port 80, has a CPU load of 1 - 2%, has practically all RAM of 1 GB used, is running apache 2 and centos 5.
It tends to get slow and when I ban IPs that use many connections to my server (raping it), it becomes fast again. But soon after that new ******* users come which I again ban and the process repeats itself
I'm starting to think that maybe I just don't have enough RAM to handle them because it seems at least some of those users are legit. I don't however have even that much content that needs to be cached so I'm not sure what good RAM would do but perhaps apache just needs more.
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Apr 12, 2007
My server has a small load (about 30% of it is being used) and it is still running very slow. When I reboot it runs fast for about 5-10 min, and then it is back to slow. I reported this to hivelocity and the responded with
"
The problem was one of your apache process was pegged out. Restarting apache resolved this issue. If you still have issues check top and run lsof on the process ID that is pegged out."
and after it continued
"It will continur to happen until you isolate the source of the issue and stop it.
The load looked fine just now, so I am not seeing an issue.
What you can do is when it pegs out (simply restarting webserver will get it back up but not resolve) run the following command:
ps -aux
Look through the processes to see what is calling it."
Whn I run ps -aux i see a username on my server. i suspended that username but the problem is still happening.
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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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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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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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