Plesk 12.x / Linux :: Php-cgi High Cpu Load Website Running Slow
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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May 1, 2014
VPS hosting, stats in my sig below. Have poor performance with a drupal and civicrm(drupal based) website and looking to troubleshoot.
Main issue is pages take too long to load, sometimes over 5 seconds and more! Below is my.cnf and MYSQLtuner results.
So my.cnf
Code:
[mysqld]
set-variable=local-infile=0
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
user=mysql
[Code] .....
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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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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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Jun 1, 2007
I have a website that I recently moved to a dedicated server. Before hand I had the website hosted with 2 other hosting companies (not dedicated).
I decided to go to a dedicated server because the website ran extremely slow or even went down due to traffic.
With the dedicated server I am having the same problem with the same amount of visitors online. This usually occurs with aprox 250 members online.
I know nothing about servers and have no idea how to cure this problem or if possibly it could be a setting in the server. However this is killing my website because new people are unable to register because of site coming down from traffic.
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Mar 23, 2015
I have a single mysql process that never stops and running with 10-200% CPU load: URL....
I restart mysql => process coming back
I restart server => process coming back
I kill process => process coming back
I have run:
# mysqladmin -uadmin -p`cat /etc/psa/.psa.shadow` -i 1 processlist
but there was noting that runs >10min.
Code:
> SHOW FULL PROCESSLIST;
+------+-------+-----------+------+---------+------+-------+-----------------------+
| Id | User | Host | db | Command | Time | State | Info |
+------+-------+-----------+------+---------+------+-------+-----------------------+
| 328 | admin | localhost | psa | Sleep | 56 | | NULL |
| 8110 | admin | localhost | NULL | Query | 0 | init | SHOW FULL PROCESSLIST |
+------+-------+-----------+------+---------+------+-------+-----------------------+
2 rows in set (0.00 sec)
I have strace the PID
Code:
# timeout 1m strace -f -c -p 5873
Process 5873 attached with 30 threads - interrupt to quit
Process 10499 attached (waiting for parent)
Process 10499 resumed (parent 5873 ready)
Process 10502 attached (waiting for parent)
Process 10502 resumed (parent 5873 ready)
Process 10503 attached (waiting for parent)
[code]....
I found with google a hint for high cpu URL....I have deinstalled "health monitor" module, but that was not the reason.I use plesk 12.0.18 Update #38 with CentOS 6.6 (Final).
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Apr 17, 2015
I've been having a few issues with the control panel navigation is running slow even though I have heaps of resources available and free. The server is located locally and have no problems surfing websites attached to the same server.
When I login as admin, it can take 25 seconds to load into the first screen.
CPU GenuineIntel, Intel(R) Xeon(R)CPU E5649 @ 2.53GHz
Version Parallels Plesk v12.0.18_build1200140606.15 os_CentOS 6
OS CentOS 6.6 (Final)
Memory Available 6GB used 2.5-3GB
HDD: 300GB/ approx 130GB Free
I have tried issuing a /etc/init.d/psa restart command and has made no difference.
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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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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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May 20, 2014
PRODUCT, VERSION, OPERATING SYSTEM, ARCHITECTURE
Parallels Plesk Panel 11.5.30 MU #44 CentOS 6.5 (Final) 64bit
2 of our our servers are suddenly experiencing high Wait I/O Times, and high Load Averages during the backup process. During this period the Plesk grinds to a halt, sometimes crashing out completely (although SSh is still possible. We have been in talks with our server suppliers (assuming this would be node related) however they have done a lot of testing etc. and categorically state the node is fine , with no other users affecting it.
STEPS TO REPRODUCE : We backup the server using the scheduled backup service and Wait I/O immediately goes up.
ACTUAL RESULT: Plesk downtime / Website downtime
EXPECTED RESULT: No downtime, successful back up
Some other info :
All other processes (MYSQL, apache, Nginx etc) are all running between 1 - 10%
Partition "/usr" utilization 4.2% used (1.81 GB of 43.3 GB) (?)
Partition "/var" utilization 50.6% used (61.8 GB of 122 GB) (?)
We are struggling to identify what has changed on the server that would cause this sudden change.
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May 12, 2014
I have been trying to identify why mi server has high load cpu, suddenly CPU load suddenly jumps, from 1 to 40 and until 110
If I restart mysqld and apache, the cpu gets back to normal, until this happen again
My server is
GenuineIntel, Intel(R)Core(TM) i5-2400 CPU @ 3.10GHz
VersionParallels Plesk Panel v11.0.9_build110120608.16 os_CentOS 6
CentOS 6.4 (Final)
CentOS 6 x64 Processor: Intel Core i5 - 3.10 GH
I already installed FAIL2BAN and DDOS DEFLATE without lock. I have CloudFlare Enabled.
When there is a high CPU load, I have checked netstats, and I don't identify many ips connected, so I think it could be an internet script (or virus).
I will paste the result of
ps fax
command, in a moment of high cpu load
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Apr 27, 2007
This is a RHEL3 box. It has a couple hundred sites, most of which are pretty quiet most of the time, lately I can't get the load below 3 most of the time. I've tried all the usual TOP PS and the rest, but I'm not seeing my problem. I've attached a text file with extended outputs. but here's what I'm seeing now from TOP and VMSTAT. I'm not sure what else I could be looking at.
I've been watching, and it seems to be Apache most of the time at the top of TOP, and I'm logging slow-queries for myslq, but there aren't many there.
top
10:02:03 up 3 days, 21:23, 2 users, load average: 2.81, 2.83, 3.05
140 processes: 137 sleeping, 2 running, 1 zombie, 0 stopped ....
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May 23, 2008
I've got a dedicated server running the latest release of Debian and Plesk 8.4.0.
It's a Core2Duo, 1Gb RAM and 2 x 160Gb on hardware RAID 1.
There aren't any "heavy" sites on it, Apache is not under any stress... nothing is showing up on 'top' that's eating CPU or RAM... but here's the load:
load average: 2.06, 1.97, 1.81
sample from 'top':
421 qmailq 18 0 1568 344 276 S 0 0.0 0:01.20 qmail-clean
19270 popuser 16 0 36268 33m 2356 S 0 3.3 0:10.40 spamd
28214 root 18 0 2232 1176 856 R 0 0.1 0:00.02 top
1 root 15 0 1944 636 544 S 0 0.1 0:01.20 init
2 root RT 0 0 0 0 S 0 0.0 0:01.14 migration/0
3 root 34 19 0 0 0 S 0 0.0 0:00.04 ksoftirqd/0
4 root RT 0 0 0 0 S 0 0.0 0:00.90 migration/1
5 root 34 19 0 0 0 S 0 0.0 0:00.07 ksoftirqd/1
6 root 10 -5 0 0 0 S 0 0.0 0:00.03 events/0
7 root 10 -5 0 0 0 S 0 0.0 0:00.00 events/1
8 root 12 -5 0 0 0 S 0 0.0 0:00.00 khelper
9 root 10 -5 0 0 0 S 0 0.0 0:00.00 kthread
13 root 10 -5 0 0 0 S 0 0.0 0:00.61 kblockd/0
Anyone got any ideas what might be pushing the load up?
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Jan 3, 2015
I noticed that all my client websites were as slow as a snail snot before uninstalling perl and Python.
Is it normal that perl and python components slowing down IIS?
I search online, it is a common scenerio for those two to slow down IIS.
After I uninstalled perl and python as well as awstat, the site are working as fast as before.
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Nov 14, 2014
This is my free -m
total used free shared buffers cached
Mem: 1998 1903 95 0 45 542
-/+ buffers/cache: 1315 683
Swap: 2662 36 2625
Not good ....
I got 5 wordpress and 5 statics website on this server and 100 visitors by 24H00 each day.
Question 1 : Why the memory is so low and the swap so high ?
Question 2 : Why i don't find high usage process in top command ?
Question 3 How can i resolve this problem ?
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Jul 15, 2015
from about 3-4 days, the cpu of my server, from an average of 0-15% load, grew up to a constant 80-90-100% cpu load.
There were two processes called php-cgi.exe IWAM_PLESK(default) that, each one, constantly burned 30-40% of cpu load.
So, stopping websites one by one, I found the website that was the cause of the cpu overload.
On my "old" windows vps, there were processes called with the name of the website hosted (for example websitename_web.exe), so it was easy to immediately find exactly what website was involved in the hypotetical cpu or ram overload issue.
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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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Nov 6, 2009
i have a strange problem at my server ,
i hosted 1 wesite ( forum script with no plugins )
when my traffic consuption reache to 25mbs the server running very slow for hours although the load avarage is very normal 1-2 Iowait 3% ram consumption 8-10Gb
my uplink port 1Gb and of course my DC said the connection is normal with no limitation
the server specs are good
Quad procs 7200 ,16Gb ram ,15K SCSI speed
connections reache to 2000-2500 per seconds
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Nov 11, 2008
I'm currently on a VPS 2.0 Pro package from WebFusion. Ubuntu.
I've been with them for years, first on shared, now VPS. I generally run Invision discussion forums on them, as well as a few static websites.
Ok for disk space, memory etc. but recently it has been sooooooo slow, lag is getting unacceptable. It is intermittently ok, then slow as treacle. My customers are starting to complain.
I've spoken to tech support, and all they say is it's fine, but will look into it and then contact data centre.
To be honest, over the last few years I've seen a decline in tech support and customer service, but wondering what to do now. I pay annually and my budget is about £400 pa.
Renewal is due about March, but thinking about leaving early. Just getting too much hassle.
I just wonder who to go with? Do the smaller companies offer the same performance? Do they all have the same connnections to the backbone?
Or maybe it's a weird apache thing?
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Jan 23, 2007
i have installed redhat Cent O.S 4.2 on my sever.
while client is accesing its homepage , it has a slow response.
when client use ftp for file transfer, response from server is slow.
i am running php software and MYSQL database in my server.
i am using 80GB hard disk and still 28GB freespace is remaining.
i have 512 MB of memory, in which currently 91 MB is still free.
o/p for " vmstat" command is
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
0 0 160 91296 40656 287300 0 0 9 7 60 34 0 0 100 0
o/p for "free" command is
total used free shared buffers cached
Mem: 507932 416572 91360 0 40636 287284
-/+ buffers/cache: 88652 419280
Swap: 779144 160 778984
o/p of "top" command is
top - 14:31:52 up 2 days, 1:12, 2 users, load average: 0.00, 0.00, 0.00
Tasks: 74 total, 1 running, 73 sleeping, 0 stopped, 0 zombie
Cpu(s): 1.7% us, 0.0% sy, 0.0% ni, 98.3% id, 0.0% wa, 0.0% hi, 0.0% si
Mem: 507932k total, 416772k used, 91160k free, 40612k buffers
Swap: 779144k total, 160k used, 778984k free, 287268k cached
In the /var/log/messages there are no errors
But in the /var/log/httpd/error_log it is showing a long list of same error i.e" an unknown filter was not added :PHp".in this way my server is responding very slow for ftp and while accesssing through http.will u pls help me to solve this problem.
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Jul 17, 2014
We have a problem with a Plesk backup. We have about 300 domains, the scheduled task starts 23.30 and takes about 16 hours and thats not normal. Before it took about 9-10 hours for 'All configuration and content' and that was too long, so we set up for 'All configuration and content except mail'. It worked for a few days and then it started to take 14 - 16 hours for a server backup. We use Plesk 11.5 on CentOS 6 64bit.
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May 13, 2009
I am migrating my sites from a Xen based Centos 5.3 + cPanel/WHM instante to another Xen based cPanel/WHM solution with Centos 5.3 64-bit. I am having issues with easyApache now after it was successfully ran for the first time.
It does not time out however even the profile selection screen takes well over 10 minutes to get to once easyApache is initiated. Once the profile selection is made it is still slow moving to the customization screen.
The server is neither overloaded, nor out of memory. I have actually executed /scripts/checkperlscripts in hopes that it would identify something. I am planning to remove /home/cpeasyapache folder however I am not confident whether this is the right approach or not.
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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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Jul 1, 2014
OS CentOS 6.5 (Final)
Plesk version 12.0.18 Update #6, last updated at July 2, 2014 11:13 AM
The system is up-to-date; last checked at June 27, 2014 04:43 AM
All current websites on the server seem to work fine any new subscriptions we cannot get working at all.
We can connect via FTP to new sites SOMETIMES - just cant get directory listing. When we can connect and get into a directory it slows down.
In Active mode:
Command:MLSD
Response:425 Unable to build data connection: Connection refused
Error:Failed to retrieve directory listing
Install Wordpress via the Parallels panel it loads and says it is all there, just can't log or display any pages. The default Parallels page is displayed.
Upload a html page via the File Manager in Parallels and it displays the default Parallels page.
Unpack the Wordpress tar file via File Manager and it displays the default Parallels page.
The Wordpress feature in Parallels says it is working fine, can't display any page, can't log in as it returns a 404 page or the default Parallels page.
Create a site in Presence builder and Parallels says there is a site. The default Parallels page is displayed when opening the site.
Go to DOMAINS and there is 0mb in space used and there are files listed in the File Manager - none of which can be displayed.
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Jul 5, 2008
My sites have been receiving a little more traffic these days (but not too much) and it seems my vps is slowing and at times vbulletin/wordpress page doesn't loads or loads a bit sluggishly (refreshing the page gets rids of not loading issue but not sluggishness).
So I logged into Virtozzo and saw the following QOS alerts:
Jul 05, 2008 11:38:25 AM Green zoneGreen zone kmemsize
Jul 05, 2008 11:38:25 AM Green zoneGreen zone tcpsndbuf
Jul 05, 2008 11:34:54 AM Green zoneGreen zone privvmpages
Jul 05, 2008 11:33:54 AM Yellow zoneYellow zone privvmpages
Jul 05, 2008 11:33:15 AM Black zoneBlack zone kmemsize
Jul 05, 2008 11:33:15 AM Black zoneBlack zone tcpsndbuf
Jul 05, 2008 11:28:05 AM Black zoneBlack zone kmemsize
Jul 05, 2008 11:28:05 AM Black zoneBlack zone tcpsndbuf
Jul 05, 2008 11:27:55 AM Red zoneRed zone tcpsndbuf
Jul 05, 2008 11:22:55 AM Black zoneBlack zone kmemsize
Jul 05, 2008 11:22:54 AM Black zoneBlack zone tcpsndbuf
Jul 05, 2008 11:17:54 AM Black zoneBlack zone kmemsize
Jul 05, 2008 11:17:45 AM Black zoneBlack zone tcpsndbuf
Jul 03, 2008 05:31:29 PM Green zoneGreen zone othersockbuf
Jul 03, 2008 05:26:19 PM Black zoneBlack zone othersockbuf
I have previously seen tcpsndbuf going into yellow and even black zone (but only once in a blue moon) however never saw kemsize going into black zone.
These are the limits my host has set:
IDCurrent UseSoft LimitHard LimitUnits
tcpsndbuf301,8602,580,4804,055,040bytes
kmemsize9,135,28929,614,08030,474,240bytes
othersockbuf17,8881,689,1203,145,728bytes
My Cpanel VPS has around 384MB of dedicated ram and around 896Mb of burst Ram. At any given time, there is at least 150Mb of free dedicated RAM. So based on this, are these values correct or they need to be changed or do I need to look for something else which might be causing this problem?
I don't run Spamassassin
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Sep 4, 2007
If you check out [url], you can see that its not running super fast. The load is nothing, iostat, vmstat, etc don't show anything out of the ordinary. Is there anything else I can do to see what might be causing it? Am I just in need of some good mysql optimization?
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Dec 30, 2014
I have just recently moved to Plesk web admin from cpanel. I have been trying to get the cron to run for the past 48 hours but no luck. Bellow is the code i have been trying to execute via cron but It does not run.
"/usr/bin/php /var/www/ vhosts/mydomain. com /httpdocs/billing/index.php cron"
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Dec 12, 2014
I have installed plesk on cloudlinux
But I can not see an login prompt when i try to connect with https://myserverip:8443
netstat -tulpen gives me the Output
EN 0 183156 69422/httpd
tcp 0 0 :::8443 :::* LIST
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Jun 26, 2014
After upgrading to Plesk 12 the FTP connection has become very slow. Mode Security, Fail2Ban and Plesk Firewall have been enabled, the security is set to force sFTP and maximum security and in /etc/proftpd.d/ a conf file has been added to set the passive ports that have been opened in the Plesk Firewall (60000 to 62000)
Turning off the Mod Security does not solve the slow connection.
What can we do to detect the cause of the problem?
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