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0
votes
1answer
113 views

Kill or revive a process based on system memory usage

Consider a system with limited memory, like a smallish VPS. Suppose there are a handful of processes that need to stay alive, and one process "P" that would be nice to have around, but is not ...
-5
votes
3answers
95 views

A good long term strategy to support the increasing workload [closed]

Let's make this simple. I have a website hosted on a single dedicated server (LAMP). All static content are alraedy on an external CDN. PHP pages aren't a problem because they take pretty low time to ...
-6
votes
1answer
418 views

A certain Server how many pages/users can hold? [closed]

Let's say I have a dedicated server with only 1 website in it (LAMP) Let's say 4 GB RAM and an average CPU dual core @ 2.5GHz with Debian Let's say the php pages doesn't require much CPU load, they ...
1
vote
1answer
521 views

perl process causing high server load, how to find what its doing

I've got a Debian webhosting machine with cpu loads around 11. Using top I see that perl is using 99% of the cpu as user www-data. How can I find out more about what perl is actually doing?
4
votes
6answers
615 views

Effect of distance from server on page load speed

I measured the load speed of a static image file severed by nginx from my server (using pingdom service). The server should normally process this request within few seconds. My server is located in ...
0
votes
2answers
304 views

Load Average cpu linux server

i have a problem with the load average on server, I'm using on server When I check the processor - with "top" command I see that : top - 04:27:37 up 39 min, 1 user, load average: 0.78, 0.77, 0.77 ...
0
votes
1answer
472 views

How to show high load php process or high load query in apache?

What ssh command to show high load php process or high load query in apache? I see that a the host supporter give a log like that xxxx 10223 2.3 0.1 28176 12944 ? S 04:40 0:00 \ | \_ /usr/bin/php ...
-3
votes
1answer
121 views

Is there a way to collect data of server load over tiime? [closed]

I'm trying to figure out what I can do to improve my site's performance. Specifically: I would like to remove a component and observe over time what the effect of removing that component was on the ...
1
vote
1answer
91 views

Can a server generate traffic without load?

On the server I'm building my app, I have access to the cli. The administrator says that the server I'm working on is used to generate a lot of traffic, in order to flood another server. Lately, I ...
1
vote
0answers
377 views

CPU load 1 because of init (PID 1) process?

On a new VPS, I upgraded Ubuntu 10.10 to Oneiric. I now have an init process (PID 1) which has CPU load 1. This is the same, even if I reboot. Why?
0
votes
1answer
417 views

MySQL is always taking 200% - 300% CPU during day time. Normal or bad?

MySQL daemon is always taking 200% - 300% CPU during day time. Normal or bad? ( Website has a concurrent connections 200 about but it's running Drupal without reverse proxy with many many writes ...
0
votes
1answer
50 views

Switches and the amount of load

Out of curiosity does anyone know whether it would be more beneficial to have more switches with less terminals on each leading to your main switch OR load up each switch fully before having any ...
2
votes
0answers
392 views

MySQL INSERT … SELECT renders server unresponsive

Solution: Although I haven't found a proper solution yet I'm at least sure that this is purely a disk I/O problem and has nothing to do with MySQL... I have a MySQL server (5.1.54-1ubuntu4-log) ...
0
votes
1answer
128 views

Quickly Routing Web Traffic From 1 Web Server to Another

We need a solution to route web traffic from 1 web server to another. We have 2 dedicated Windows 2008 Servers with our hosting company. 1st server is our main web server and the 2nd is a back-up ...
0
votes
1answer
407 views

proceses cpu load history

I would ask if there is some linux tool that can track load of each application process and save it to the log file. When something in linux system "eat" CPU to 100% and I want see what happend and ...
1
vote
0answers
29 views

Directing local and remote traffic

I have a server (mostly but not only serving a web application) for whom some 80%+ of all traffic comes from inside the same LAN as the server (the LAN covers the downtown area of a small town). Of ...
7
votes
3answers
896 views

What are some ways to prevent user cron jobs from crushing the servers?

It happens fairly frequently that user cron jobs on shared servers all run at the same time and get caught in contention (near as I've been able to tell). So load explodes, Nagios is angry, Apache ...
-1
votes
3answers
275 views

LINUX Load average

My server Load jump high up top 22, CPU just 50%, RAM 1858/5120. How to know what process couse so high load average. Linux Debian
0
votes
1answer
111 views

What exactly is a “load” when referring to node status of a Compute Cluster?

http://apps.cs.utexas.edu/cluster/node_status/index.cgi You will see 9 columns corresponding to different categories that each specify properties of the different machines available in the Mastodon ...
0
votes
1answer
64 views

Extreme CPU load [duplicate]

Possible Duplicate: How Can Linux Top Show 2% Idle, but Load Say 1.20? Something strange has suddenly happend and I need help. top shows only 1 running process with >300 waiting. CPU load ...
1
vote
2answers
149 views

How to troubleshoot a jump in CPU load?

If monitoring shows a jump in CPU load on your main production server and the box is slow to respond, what actions should I take? What commands should I run or how do I troubleshoot this?
0
votes
2answers
8k views

Why MySQL doesn't use settings specified in my.cnf?

I've installed MySQL 5.5.15 on debian-lenny server. I used default instruction & settings to install it. Now, my server starts successfully, but seem non of my specified settings in /etc/my.cnf ...
0
votes
2answers
58 views

Server configuration - dealing with 350 similtaneous use

I am under the impression that configuring a server to serve 350 simultaneous users with pages that are plain HTML (plus an image or two, no AJAX or similar) with some simple database connectivity ...
-1
votes
1answer
61 views

server load on virtualized systems

I have a vps on virtuozo, with whm/cpanel and last night my vps was super slow. WHM was reporting a high server load, but the top command and a server load history from 5 hours back was on 0 to 0.5, ...
0
votes
1answer
557 views

Tracking Server Load WHM/CPANEL

Trying to track down the cause of some high server load. Not sure if this has anything to do with it but, in the process manager in whm I noticed about 200 of this process running: ...
1
vote
3answers
190 views

Nagios : 244 processes but load average 0.30 0.59 0.51

My nagios is suggesting that one of my hosts has a critical amount of processes. However the load seems fine. This server is providing mysql database and mailserver. Should I be worried ? 244 ...
2
votes
2answers
1k views

How do you read load averages? (eg: Load Averages: 0.60 0.60 0.55) [duplicate]

Possible Duplicate: How to understand the memory usage and load average in linux server My hosting company provides "Load Average" stats when I login. There is no link to more information ...
0
votes
3answers
577 views

How does Load Balancing Work? [closed]

I can't figure out how a load balancer works. Say for example on Rackspace cloud servers. You have one instance with all your stuff Do you clone that instance, so there are really two identical ...
-2
votes
1answer
91 views

testing SSL server loads [duplicate]

Possible Duplicate: How do you do Load Testing and Capacity Planning for Web Sites There has been a lot of talk about SSL creating excess CPU/memory load on websites. What I want to do is ...
2
votes
2answers
227 views

Network Load Balancing Windows server 2008

I have a questions about load balancing configurations. Maybe someone already asked this question but I didn't find something similar on the web. The Actual Configuration is . I Have two servers ...
0
votes
2answers
78 views

I have two Virtual Dedicated Server, one is with Godaddy and another is with Media temple

Is it possible to setup load balancing between these servers, So that the same domain can be hosted in two different servers.
-1
votes
1answer
1k views

What is “normal” server load? [duplicate]

Possible Duplicate: Acceptable load average My Ubuntu server's load is 5-7 most of the times. When the load is about 7 and I check my server response at webpagetest.org I get an F grade (~9 ...
0
votes
2answers
107 views

What is a rule of thumb for the max average load for a single UNIX-based server before scaling? [closed]

What is a rule of thumb for the average load for a single UNIX-based server before optimizing performance or scaling? For example, my server is running as shown: load average: 0.44, 0.44, 0.43
0
votes
2answers
126 views

Should I be worried about server load peaks?

I have a server that runs several PHP scripts during the night to keep in sync with an other server. The load systematically reaches over 3.5 but then comes back to more reasonable values after the ...
0
votes
2answers
247 views

File does not exist: /home/mysite/public_html/A2EB891D63C8

In my apache error_logs I am getting this error repeatedly. [Tue Jul 26 16:45:07 2011] [error] [client xxx.xxx.xxx.xxx] File does not exist: /home/mysite/public_html/A2EB891D63C8 I think it might ...
0
votes
2answers
104 views

Apache takes 5% of my RAM Memory

I have an apache on my server (512mb ram). The problem is that each prefork process (there are about 12 of those) takes about 3%-5% of the memory when it's waiting (I mean the httpd2-prefork processes ...
1
vote
5answers
3k views

Load average is high but resources are not fully used

As far as I can tell, the load average on my server (Ubuntu Linux 8.04.1) is way too high, and in practice I see it slows down or stops serving during peak hours. It's a fairly stock LAMP powering a ...
0
votes
2answers
225 views

Lots of Apache processes but low pageviews

I have a question that maybe you can help me to answer. When I execute ps -aux from 00:00 to 00:03 I get about 30-40 apache processes but visits in such period of time are only 2 (Google Analytics). ...
0
votes
2answers
589 views

Analyze high server load

We have experienced some really high server loads: 1:49pm up 2 days 1:51, 1 user, load average: 79.05, 101.35, 111.53 then the site crashes. I mean, the web don't load, I can't access by ssh nor ...
-1
votes
1answer
476 views

Mysql taking too much memories, how to solve

I had a Drupal website on a test box and I am the only visitor. When I do nothing. Mysql is taking like 7% mem. When I click homepage. I can literally see that mem ramps up to 15% of the mem by ...
0
votes
1answer
335 views

What is system load? [duplicate]

Possible Duplicate: How to understand the memory usage and load average in linux server I was reading this question, and it left me wondering what system load is. What does it actually ...
8
votes
6answers
2k views

How high can system load go?

Every time I login to my servers via SSH it flashes me a bit of server info. IE IP Address, Swap Usage, Memory Usage, etc. One of the other things it flashes me is System Load. Now most of the time ...
1
vote
4answers
724 views

Server load spikes several times a day, load average for the past month is 5 times the load average all year

My Munin notifications set up for our (Debian) LAMP cluster have been notifying me continuously that our load on our production machine has been at dangerous levels. While the average load all year ...
0
votes
1answer
192 views

Using cisco router as HTTP load balancer

I know this question is quite unusual, router doesn't design to do load balancing, but Is it possible to use cisco router as a simple HTTP Load balancer ? by creating nat pool and using ip nat ...
1
vote
1answer
303 views

Load on linux system is High but CPU is idle

On one of CentOS server i found that load is around 10 , vmstat output says a large number of process are in blocking state. In top command output, cpu is almost 70% idel. What i conclude from my ...
2
votes
3answers
194 views

Load balancing - Multiple servers, different locations

I've been scaling out a service very rapidly, and have found a problem in the way I've been balancing the load. My servers do not need a perfectly even distribution, so I was simply using a round ...
1
vote
2answers
87 views

Degenerating services on high load

If you want to provide a service but switch off some functions in high load... How Would you do that? Example would Be twitter switching off customer related feeds during high Server load
0
votes
1answer
92 views

Incremental load using SSIS?

I have a table in SQL say 'X'(i primary key int,j int, dt datetime) and it contains some data. The initial load of data is fine but I am confused about how to handle the incremental data. i.e. suppose ...
1
vote
2answers
835 views

Unexplained High Load Averages

I am getting rather strange high load averages on one of my VPS', I am not a server admin by nature, rather a website developer that has learnt the basics over the years. I am however very experienced ...
0
votes
1answer
631 views

HAProxy Multiple Domains

We currently have a HAProxy set up that splits the load over two backend servers and it reads/sets a cookie accordingly so you stay on the same server throughout the process. However, we now have a ...