Causes Of High Resource Usage

Oct 17, 2007

I am running a youtube clone on a VPS with 512mb ram at Lunarpages.

Whenever I log into Plesk, I find that my system usage is extremely high. 90%++ even up to 100%. However my CPU usage is often less than 5%.

This problem often occurs when there is slightly more visitors on my site. I am talking about only 30++ visitors and this problem will occur and my site slows to a crawl and I have to restart the VPS.

The script or the server?

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Kill High Resource Usage

Apr 19, 2007

I have seen posts that some hosts suspend a user after they so many seconds of high server resource usage... I was wondering how this is done so that I can do this on my dedicated server.

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Dreamhost PS High Resource Usage Problem, Is It SCAM?

Dec 27, 2008

I upgraded my hosting to DreamHost PS ( about 7 days ago, and after 3 days of evaluation i find no interest about it and decided to downgrade. But they rejected my request saying that the resource is too high, then came the long negotiation.
My question now is, would domains parked(not hosted) at dreamhost ate up memory of my PS?
Phase 1: Why didn't anyone warn me before the upgrade?

I wrote:

I found a few unreasonable facts about your statement of rejecting my downgrading request:
1. Dreamhost tempted me to upgrade when I was doing fine with share hosting;

2. Dreamhost didn't warn me with any condition or term of any kind, including downgrading would be rejected if memory reach a certain degree;

3. from the facts stated above, this upgrading thing is a total scam.

##comment: The upgrade took only a click of the button.

And their answer:

I'm sorry to hear you feel this way Ruiz. However, your accounts resource usage is above what will work on shared hosting. If we were to move you back, one of two things would begin to happen:

1 - your domains would affect the stability of the web server, slowing down other customers sites, or taking them down completely

2 - your own sites would begin to fail due to the high resource usage.

As such, we can not move you back until you've brought that usage down. However, I can understand why you would feel the way you do. As such, I'm willing to add a $15/mo subsidy to your PS service. What this means, is that the basic 150MB/MHz you have to pay for will be free, all you will need to pay for would be any resources you allocate beyond the first 150MB. If this is alright, let me know and I'll go ahead and add the subsidy to your account.Phase 2: Why my hosting suddenly ate up so much memory?

I said:

I haven't recieved any email mentioning that my domains are using too much resource BEFORE THE UPGRADE for almost ONE WHOLE YEAR, how come suddenly they are? Is it some kind of malfunction or misconfiguration of your PS that causes the problem? If it is, why should I pay for it?

They answered:

It isn't a "sudden" issue. Your sites have been using whatever resources they need for as long as you've been on the PS. It appears you've had spikes as high as 600MB of memory in your usage, and if you look at your graph over the last month: ...

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Resource Usage For Downloads

May 11, 2008

I am wondering if simultaneous downloads could take up a lot of CPU/Ram usage? Could a celeron server with 512MB handle simultaneous downloads and how many users can it support simultaneously? The server will be serving as a pure download, no database, no php, no cgi, no nothing. And what is the highest mbps this server could potentially reach?

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Static HTML Resource Usage

Oct 21, 2008

I've been running website for several years, however, there's one thing that I've never quite figured, most likely because I haven't gone over to dedicated/vps yet.

How much memory would a static 10kb HTML use or for that matter a PHP page (static)?

I know it's quite a broad question, but I'm asking this as I might start a project and this one page may receive many hits. Oh and, would the memory usage go up if I have embedded objects from an outside source (e.g. embedded Youtube videos)?

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Excessive Resource Usage: Dbus (2015)

Nov 20, 2008

Excessive resource usage: dbus (2015)

I get below alarm from lfd

Time: Sun Sep 28 12:16:06 2008 +0200
Account: dbus
Resource: Process Time
Exceeded: 134303 > 1800 (seconds)
Executable: /bin/dbus-daemon
The file system shows that this executable file that the process is running has been deleted. This typically happens if the original file has been replaced by a new file when the application is updated. To prevent this being reported again, restart the process that runs this excecutable file.
Command Line: dbus-daemon --system
PID: 2015
Killed: No

How can I find which process runs this excecutable file ?

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Plesk 12.x / Linux :: Where Does Resource Usage Get Its Information

Nov 26, 2014

I recently migrated a load of domains from a pleks 8.? install to a plesk 12 one. As part of the migration a new reseller was created but all the resellers domains got "lost". They were all there and working but not appearing in the interface.

I did some googleing and fixed this problem and can now see all the domains and when I look at the reseller plesk tells me it has 0 own customers, 0 own plans and 0 own subscriptions. However, if I look at the resources tab it tells me that 7 domains out of unlimited are being used.I just wondered where plesk get's that info from and if it is safe to delete that reseller without risking the domains getting deleted too.

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Plesk Automation :: Resource Usage On Disk Space Is Not Calculated

Mar 17, 2014

I'm on PPA 11.5 MU#2 (Should upgrade to MU#3 soon). My problem is that the Usage of Disk Space for all my customers subscriptions are not calculated. I've run the daily maintenance script (which it actually runs periodically), but there's no update on the display.

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Plesk 12.x / Linux :: High Memory Usage - Swap So High

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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Server High Load/high Mysql Usage

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
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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Plesk 12.x / Windows :: Limit Reseller Self-created Service Plan Resource Usage

Jan 23, 2015

When a reseller create a service plan there any way to limit the CPU and memory setting for the application pool to recycle on their own created plan?

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Vps High Usage

Oct 21, 2009

i have a vps and its quite a new one since i just ordered it and transfered everything from my previous..

But im getting really high cpu useage and im wanting to know whats best ways to optimize this...

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What Causes High CPU Usage

May 22, 2008

I know about high CPU usage and how it works against a webmaster when his host decides to suspend an account over this.

My question is what kinds of scripts usually cause CPU Usage to bulk up.

Basically what the script is doing, that just makes it happen.

I tried Google, but i guess poor choice of keywords .

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Ram Usage Get's High

Feb 14, 2007

I have server with P4 ( 2.4ghz) 2gb ram with cpanel and centos.

When I get more than 300 users online on my forum. Server load remains under 2 but Ram usage get's high upto 90% every 10 to 3 minutes. I have to restart apache in order to keep it down.

Currenty shows 67% ram usage in WHM and here is:

root@s1 [~]# free -m
total used free shared buffers cached
Mem: 2018 1645 372 0 15 293
-/+ buffers/cache: 1336 681
Swap: 1992 92 1899

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High Memory Usage

Mar 28, 2009

Am using Hypervm,my all vms are not using more than 512 MB memory but when i click on server as localhost the there is show maximum memory usage I have total 8 GB it always show 5-6 GB usage and never drop down, How can I fix this matters?

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High Memery Usage!

Jan 20, 2008

i have a quad core Intel XEON 5130 @ 1.60GHz . with 6giga now of memory . i have about 300 account in it . CENTOS Enterprise 4.6 installed .

the probleme is that the memory server it used in totaly . after i was just 2Gb of ram , but sometimes the server lod arrive at 50% . for that i have added more memory (4Gb) , when i added it the memroy usage is always about 4giga sometimes about 3980Mb . the load is normal , but sometimes the server loas arrive at 50% or 60% (this is just in specific times) . after i have decided to add 2 Gb more , now is 6gb in the server . but also all the 6giag of ram is used , the load is normal but memory is all used , look to the top command

top - 02:55:26 up 1 day, 4:31, 1 user, load average: 0.25, 0.30, 0.45
Tasks: 157 total, 2 running, 154 sleeping, 0 stopped, 1 zombie
Cpu(s): 6.5% us, 1.3% sy, 0.0% ni, 92.1% id, 0.1% wa, 0.0% hi, 0.0% si
Mem: 6229508k total, 5995668k used, 233840k free, 213712k buffers
Swap: 4192824k total, 224k used, 4192600k free, 4353968k cached

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High Memory Usage

Oct 11, 2009

I have a Drupal site with around 1000 visitors/day on a basic VPS. (HyperVM with lxadmin) Burstable RAM is 384MB and my site reachs it.

is this normal for a site like this?

anything that I can do to decrease the memory usage?

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High CPU Usage How To Reduce It

Mar 18, 2008

My server details

Intel 2.4 Ghz P4 Celeron

now iam haveing more that 0.50-1.20 cpu useage,also cpu useage is also increased i hosted only 6 site out what only one site use MSQL all other site are plain download site,how to reduce the cpu load can u figure me out this issue also give me some tips to reduce the cpu usage

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High Cpu Usage (httpd)

May 31, 2008

I noticed high cpu usage on my server since a couple of days ago. I neither updated software nor changed the configurations on the server. The server load was about 0.5 ~ 1.0 but now the average CPU load does not go below 5.0

when I stop apache (1.3) the load goes down and as soon as I start it up the load start increasing.

I checked for DoS but it seems nothing exists of this type.

I tried to follow the access_log file but from the first view nothing is strange there.

I don't have any control panel on the server. just Apache, FTP and SSH installed.

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Named High Cpu Usage

Jun 20, 2008

Since yesterday named started to use more cpu than usual. Techs "refuse" to work with that issue and saying that its's normal. Though all the time had no problems, haven't added hundreds of domains yesterday and there were no changes from my end.

There was one change from techs side however.

"the MX record for the domain was going to localhost, rather than the domain name. I have changed the MX record to domain..."

Anything I should check? Logs doesn't provide anything valuable, just notices.

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High Swap Usage

Feb 18, 2007

i have a problem with my server it is a Xeon with 2Gb ram, i have a igh swap usage and when it reach the size of 4gb that i have set it go in kernel panic, this is the actual value

top - 14:19:47 up 1 day, 23:07, 1 user, load average: 1.74, 1.93, 1.89
Tasks: 223 total, 5 running, 217 sleeping, 1 stopped, 0 zombie
Cpu(s): 39.8% us, 6.6% sy, 14.0% ni, 32.3% id, 7.3% wa, 0.0% hi, 0.0% si
Mem: 2074640k total, 1980804k used, 93836k free, 66200k buffers
Swap: 4192924k total, 1735588k used, 2457336k free, 365136k cached

total used free shared buffers cached
Mem: 2026 1877 148 0 61 306
-/+ buffers/cache: 1509 516
Swap: 4094 1699 2394

maybe i can work on KeepAlaive setting?

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High Swap Usage

Jan 20, 2007


total used free shared buffers cached
Mem: 1034060 1004864 29196 0 50756 340272
-/+ buffers/cache: 613836 420224
Swap: 1020088 373648 646440

Is there anything I can do to reduce the swap usage?

Running cpanel, Dual Xeon 3.0ghz with 1 gb ram


root@****** [~]# uname -a
Linux ****** 2.6.9-42.0.3.EL.cernsmp #1 SMP Fri Oct 6 12:07:54 CEST 2006 i686 i686 i386 GNU/Linux

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MySQL High CPU Usage Put On RAM

Jan 30, 2007

I need some help my CPU (Intel Core 2 Duo 1.7 Ghz) always gets high usage from mysql sometimes its using 95% cpu etc... How can I modify my.cnf to use less CPU and more ram since I have 3gb ram installed?

here is my.cnf

back_log = 5
max_connections = 400
key_buffer = 190M
myisam_sort_buffer_size = 156M
join_buffer_size = 4M
read_buffer_size = 4M
sort_buffer_size = 5M
table_cache = 1024
record_buffer = 1024
thread_concurrency = 2
long_query_time = 1
thread_cache = 1024
thread_cache_size = 992025
wait_timeout = 13
connect_timeout = 5
tmp_table_size = 64M
max_heap_table_size = 16M
max_allowed_packet = 16M
max_connect_errors = 500
read_rnd_buffer_size = 1024
bulk_insert_buffer_size = 32M
query_cache_limit = 1M
query_cache_size = 64M
query_cache_type = 1
query_prealloc_size = 163840
query_alloc_block_size = 32768
default-storage-engine = MyISAM

nice = -2
open_files_limit = 4096

max_allowed_packet = 16M

key_buffer = 64M
sort_buffer = 64M
read_buffer = 32M
write_buffer = 32M

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High Memory Usage

Aug 30, 2007

I purchased a VPS at wiredtree to upload a site that is in the works so that it would be "ready" once it was launched (had it sitting on a shared server before). So I have this domain on there, as well as a small wordpress blog. In total I'm get a very miniscule trickle of visitors to these websites (as they are not officially launched), around 100 visits per day, many of which are only 1 pageview visits.

My problem is, my server is already idling over its memory limit of 256mb. This is causing major slowdowns, and processes like cpanel are constantly be killed and I can't login.

Does anyone have any idea what is causing my high memory usage? I just can't image that the visitors I am getting are doing much, as for the majority of the day I have absolutely no one viewing my domains, yet my memory usage is still over the limit.

Wiredtree support says its up to me to optimize my msql/php scripts etc for low mem usage, but I don't see how this will help when there is no one using them in the first place.

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Cpanellogd High Mem Usage

Jun 22, 2007

For some reason cpanellogd always had huge memory usage in the realm of 40-90% when running logs for one particular site, which inturn sends the server load to 25-40.

What can cause this? I have delete logs after stats run enabled and all the usuall.

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Load Is Low CPU Usage Is High

Jul 26, 2007

I was wondering is someone can shed some light on a curious situation for me. I am running a linux server (Gentoo) and the CPU usage spikes to 90-100% but the load of the server when viewed by top is only 0.4 - 1.5 (max). The memory is OK with .5 gig free and there is no paging going on. So my question is: Is this server over used or not?

Below is the output of top 3 times over aprox 2 min... please enlighten me... :-)

top - 17:39:57 up 3 days, 10 min, 1 user, load average: 0.55, 0.66, 0.66
Tasks: 66 total, 2 running, 64 sleeping, 0 stopped, 0 zombie
Cpu(s): 27.3% us, 0.0% sy, 0.0% ni, 72.0% id, 0.7% wa, 0.0% hi, 0.0% si
Mem: 2058848k total, 2037140k used, 21708k free, 176904k buffers
Swap: 2008116k total, 168k used, 2007948k free, 618380k cached

5501 sdb 25 0 570m 202m 18m S 26.3 10.1 1076:22 kernel
5579 root 19 0 2107m 729m 33m S 1.0 36.3 188:28.30 java
4814 root 16 0 30336 2360 1832 R 0.3 0.1 0:00.04 sshd
1 root 16 0 2560 556 472 S 0.0 0.0 0:00.20 init
2 root 34 19 0 0 0 S 0.0 0.0 0:00.01 ksoftirqd/0
3 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 events/0
4 root 19 -5 0 0 0 S 0.0 0.0 0:00.00 khelper
5 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 kthread
7 root 10 -5 0 0 0 S 0.0 0.0 0:01.20 kblockd/0
10 root 15 0 0 0 0 S 0.0 0.0 0:00.00 khubd
75 root 20 -5 0 0 0 S 0.0 0.0 0:00.00 aio/0
74 root 15 0 0 0 0 S 0.0 0.0 0:17.43 kswapd0
660 root 15 0 0 0 0 S 0.0 0.0 0:00.00 kseriod
716 root 16 0 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_0
720 root 11 -5 0 0 0 S 0.0 0.0 0:00.00 ata/0
737 root 15 0 0 0 0 S 0.0 0.0 0:12.73 kjournald
788 root 21 -4 2560 512 420 S 0.0 0.0 0:00.01 udevd
4944 root 15 0 5024 824 596 S 0.0 0.0 0:00.01 syslog-ng
5357 root 16 0 17124 1772 1396 S 0.0 0.1 0:00.00 sshd
5370 root 16 0 56260 3704 2420 S 0.0 0.2 0:03.88 apache2
5437 ntp 16 0 15848 4656 3548 S 0.0 0.2 0:00.10 ntpd
5473 root 16 0 8956 788 644 S 0.0 0.0 0:00.04 cron
5483 apache 15 0 56120 3512 2236 S 0.0 0.2 0:00.00 apache2
5490 sdb 15 0 16992 1772 1476 S 0.0 0.1 0:00.27 vserver
5491 sdb 20 0 16992 1708 1416 S 0.0 0.1 0:00.00 vserver
5496 sdb 16 0 49444 7232 5928 S 0.0 0.4 0:00.74 kernel
5566 root 18 0 8736 1300 1076 S 0.0 0.1 0:00.00

top - 17:40:39 up 3 days, 10 min, 1 user, load average: 0.55, 0.65, 0.65
Tasks: 66 total, 2 running, 64 sleeping, 0 stopped, 0 zombie
Cpu(s): 95.0% us, 0.3% sy, 0.0% ni, 4.7% id, 0.0% wa, 0.0% hi, 0.0% si
Mem: 2058848k total, 2037264k used, 21584k free, 176908k buffers
Swap: 2008116k total, 168k used, 2007948k free, 618448k cached

5501 sdb 25 0 570m 202m 18m S 83.6 10.1 1076:44 kernel
5579 root 19 0 2107m 729m 33m S 10.7 36.3 188:29.79 java
3738 sdb 15 0 23660 2056 1628 S 0.3 0.1 0:00.15 vserver
1 root 16 0 2560 556 472 S 0.0 0.0 0:00.20 init
2 root 34 19 0 0 0 S 0.0 0.0 0:00.01 ksoftirqd/0
3 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 events/0
4 root 19 -5 0 0 0 S 0.0 0.0 0:00.00 khelper
5 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 kthread
7 root 10 -5 0 0 0 S 0.0 0.0 0:01.20

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Kloxo High Memory Usage

Oct 24, 2009

I installed kloxo on a fresh CentOS installation, not the hostinabox template

I have high memory usage though as seen here


Apache appears to be running 2 or 3 times? How do I remedy this?


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Mysql Usage: High CPU %, How Do I Find Out Who's Using What

Aug 3, 2008

just noticed mysql cpu usage has shot up from its usual 5-10% cpu to 30%+. domains are as normal and no extraordinary php processes.

any way i can tell what users are most heavily running mysql? (as in number queries / slow queries etc?) i know mysqladmin processlist but that only gives me a snapshot, whereas i want to see over 24 hours, who used mysql the most...

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