Simon,
When I need advice from a jumped up 'know it all' I'll give you a shout. and
for the record, I've been a member of the mailing list for years.
I've made my point very clear so I don't see the point in continuing this
any more.
Regards, Jon (aXeR)
----- Original Message -----
From: "Simon Lange" <[EMAIL PROTECTED]>
To: <hlds_linux@list.valvesoftware.com>
Sent: Saturday, January 14, 2006 2:02 AM
Subject: AW: [hlds_linux] Load Average
Hi,
think about replacing apache with lighty (www.lighttpd.net)
ist faster, more stable and does not need as much memory as apache.
(only ONE) Example:
Apache2 website has 200+ req/sec 1200ppl logged in concurrent load 200+
SAME machine with lighty and same conditions (requests and logged in ppl)
load UNDER 2.
It's the better choice. ;)
Simon
-----Ursprüngliche Nachricht-----
Von: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Im Auftrag von x-ares-x
Gesendet: Freitag, 13. Januar 2006 17:34
An: hlds_linux@list.valvesoftware.com
Betreff: Re: [hlds_linux] Load Average
Hey Luca,
Thanks for the mail, I shut the apache down for a test.
But I have to start it again i 2 hours.
I'm running HLstatsX, so there may be a lot of mySQL queries.
Maybe I should test it without the stats.
It's really not unplayable, bit there are lags from 1 second, sometimes.
when the load rises about 3-4.
Don't know, if the configuration will help or more performant hardware,
like a new CPU or additional RAM.
And about the too many processes:
I'm new with Linux, so I don't know every process that can be disabled.
But Apache got 10 Child's and Teamspeak too.
Here some Tasks in the moment mysql was active:
2795 root 15 0 241m 138m 1124 S 20.0 31.4 566:24.58 srcds_amd
13229 root 15 0 210m 115m 936 S 7.8 26.2 258:50.05 srcds_amd
1753 mysql 16 0 122m 6216 2936 S 1.7 1.4 12:05.62 mysqld
15824 root 16 0 13732 9312 2632 S 0.9 2.1 0:11.64 hlstats.pl
3773 root 16 0 2012 980 780 R 0.3 0.2 0:00.05 top
25100 css_admi 16 0 7428 1632 1148 R 0.1 0.4 0:01.27 sshd
1519 root 16 0 2740 456 388 S 0.0 0.1 0:49.28 nifd
6185 css_admi 15 0 23244 1584 1112 S 0.0 0.4 1:50.12 server_linux
6187 css_admi 16 0 23244 1584 1112 S 0.0 0.4 2:57.50 server_linux
1 root 16 0 1740 488 460 S 0.0 0.1 0:02.45 init
2 root 34 19 0 0 0 S 0.0 0.0 0:00.00 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 11 -5 0 0 0 S 0.0 0.0 0:00.00 kthread
7 root 20 -5 0 0 0 S 0.0 0.0 0:00.00 kacpid
71 root 10 -5 0 0 0 S 0.0 0.0 0:00.15 kblockd/0
74 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 khubd
121 root 15 0 0 0 0 S 0.0 0.0 0:00.85 pdflush
122 root 15 0 0 0 0 S 0.0 0.0 0:03.69 pdflush
124 root 16 -5 0 0 0 S 0.0 0.0 0:00.00 aio/0
123 root 15 0 0 0 0 S 0.0 0.0 0:02.18 kswapd0
211 root 10 -5 0 0 0 S 0.0 0.0 0:00.05 kseriod
328 root 11 -5 0 0 0 S 0.0 0.0 0:00.00 kmirrord
338 root 15 0 0 0 0 S 0.0 0.0 0:53.11 kjournald
763 root 12 -4 1636 456 452 S 0.0 0.1 0:00.06 udevd
795 root 19 0 0 0 0 S 0.0 0.0 0:00.00 shpchpd_event
972 root 10 -5 0 0 0 S 0.0 0.0 0:02.20 kauditd
1103 root 15 0 0 0 0 S 0.0 0.0 0:00.00 kjournald
1415 root 16 0 1612 516 468 S 0.0 0.1 0:29.55 syslogd
1417 root 16 0 1568 316 312 S 0.0 0.1 0:00.01 klogd
1425 rpc 15 0 1692 408 404 S 0.0 0.1 0:00.00 portmap
Luca Fabbro schrieb:
At 16.41 13/01/2006, you wrote:
Sure There are other processes,
but they all have no CPU usage, 0.1 Sometimes.
I don't know how to Find the process that prodices the Load...
Do you want my Processtable?
No, I won't be able anyway to tell you why load average goes up if I
don't have a shell (and I'm not sure that I'll be able even if I have one)
Having a quick look at the graphs load average of 1 doesen't seem so
strange.
In fact you have a raw cpu usage in user space of around 38 and
system is around 6
This brings the typical usage to 44% of your CPU. I don't know if
this is all generated by the servers.
But you have a high number of processes active (average 91). As the
load average takes into account all the processes when apache for
example spawns or uses one of it's child processes (and it seems that
you have some requests on your web server) the computation of the
load average will grow, and it will be more than one.
This doesn't mean that the server will be unplayable but it's a big
warn regarding the ability of the machine to run all the "possible"
tasks in a smoot way.
Removing one of the server processes will reduce the basic cpu usage
and also the average load will be for sure reduced.
I think that if you stop the web server (but I don't think you can)
you'll se the load average back below 1
Hope that this helps
Luca Fabbro schrieb:
At 15.38 13/01/2006, you wrote:
Hey Fox, and the others,
yes I know that when loadaverages is at 1, the server is running at its
maximum. But I got peaks with 3-4 ...
Load average can be more than one. Load average tries to tell you the
probable "ability" of the processes of you machine to ran smoothly
(that's a lot simplified).
On your machine there are also other processes as for example apache
ones.
googling
http://www.teamquest.com/resources/gunther/ldavg1.shtml
Here you can find an explanation to your question.
So the Server only got 1 CPU, its an AMD 2200, the Problem is, thats it
is a Sempron.
I've got a 2.6 Kernel with 1000Hz rate
And only 512MB RAM, but Linux was always using 260MB. Now with a 3rd
server up to 320MB.
The System is not very great, but I don't had to pay for it.
Here you can look at some graphs: http://www.o711.com/stats/
The traffic last night was made by 8 playing people.
For now I will stop the 3rd Server, an look the effect.
I think I don't really understand what is going on on my System.
Ohh, I forgot.. its a 34Mbit Connection.
Sorry for my bad english... :-)
Reinder P. Gerritsen schrieb:
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