Questions tagged [prefork]
12 questions
4
votes
1 answer
Apache httpd process using too much memory
I am running a dedicated apache web server on CentOS6 it has:
12GB memory
4 cpus
My httpd config is as follows, from /etc/httpd/conf/httpd.conf
Timeout 60
KeepAlive Off
MaxKeepAliveRequests 100
KeepAliveTimeout 15
The server is using the Prefork…
Rick Scolaro
- 161
- 2
- 6
3
votes
3 answers
Apache tuning with very high-load LAMP server
I have a LAMP server that can be serving ~400 requests per second at times, the server configuration is:
CPU: Intel Quad Core Xeon X3430 (4 x 2.40 GHz, 8MB Cache)
RAM: 16 GB REG ECC DDR3
HD: 500 GB Enterprise Grade SATA II
OS: CentOS 64 Bit (Latest…
Roy
- 31
- 1
- 2
2
votes
0 answers
Apache 2.4: Differences between prefork, event and worker modes
Apache 2.4.x allows 3 different modes:
prefork
event
worker
What are the conceptual differences between these three? What are the types of applications or each or situations in which each MPM is useful?
OC2PS
- 539
- 2
- 8
- 21
2
votes
2 answers
Apache: configure prefork in a per-virtualhost way
I host different sites on the same Linux server (an AWS EC2 instance), I would like to give these sites different limits via a virtualhost specific configuration. Is this possible?
MatteoSp
- 131
- 5
1
vote
0 answers
prefork doesn't appear to be listening to MaxClients in config file
Apologies in advance if this is a stupid question, I'm new to all of this!
I have prefork installed on a ubuntu server which I confirmed by running
aptitude search apache2-mpm-
Which gave me
p apache2-mpm-event …
Martin Hunt
- 111
- 1
1
vote
1 answer
Multiple ServerRoot directives in single apache
i came across a apache httpd 2.2 configuration recently in which multiple ServerRoot-directives were defined, each followed by individual prefork Settings.
Sort of like this:
ServerRoot root1
StartServers …
Finn
- 11
- 2
1
vote
3 answers
How do I change from prefork to worker mpm on Redhat Linux 64bit?
How do I change from the prefork to worker mpm on Redhat Linux 64bit.
/bin/httpd -l
Compiled in modules:
core.c
mod_access.c
mod_auth.c
mod_include.c
mod_log_config.c
mod_env.c
mod_setenvif.c
mod_ssl.c
prefork.c
http_core.c
…
micheal marquiz
- 11
- 1
- 1
- 5
1
vote
1 answer
Sessions different on FCGI or mod_php?
I have a cluster of webservers running on apache-php (with prefork). I'm planning to move from prefork to worker (fcgi). The problem is that I cannot move all servers at once so for a short period of times (matter of days) few of them will be on…
MihaiM
- 708
- 1
- 8
- 17
0
votes
1 answer
Does PHP take advantage of APC if run as apache module with prefork?
I have installed APC, but I am not observing as big an impact on performance as I expected. Actually, I'm not sure I'm observing any benefit, though maybe it's just because the cpu time spent in interpreting php code is negligible compared to the…
matteo
- 701
- 2
- 9
- 21
0
votes
1 answer
Apache prefork vs. workder - what is wrong with my settings?
I have installed PHP as an Apache module. I have had prefork running all this while. I've read that worker would consume less memory while offer higher performance]1. So, I've edited /etc/sysconfig/httpd and…
ericn
- 543
- 2
- 8
- 20
0
votes
1 answer
Apache has a ton of processes started when looking at top and causes site to not load
I have tried to fix this but don't know enough, apparently. When I run top command I see that its filled with httpd processes. When this happens my site stops loading. It doesn't crash it just spins and spins. I am using prefork MPM. This looks…
Chris
- 113
- 2
- 7
0
votes
1 answer
Does Apache spawn piped logger on each HTTP request?
I am examining a high-volume Apache prefork site and noticing that many log entries such as:
CustomLog '|/foo/bar/cronolog -foo -bar'
RewriteLog '|/foo/bar/cronolog -bar -foo'
When apache logs the request or the rewrite is cronolog spawned for EACH…
Jé Queue
- 363
- 1
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- 10