Apache Threads High Memory Use
May 29, 2007
In the last day or two I've been having issues with memory on one of by boxes.
Something eats it all up, so the OS starts swapping, the I/O wait shoots up, and soon the load is up in the hundreds and the thing is totally useless.
During the day today I've tracked the something to occational apache processes. It seems that occationally a thread is started which uses upwards of 150M of memory. These threads are obvioudly doing something heavyweight and take a while to complete. When I get a few of them running together it soons finishes off all my available memory. Below is an extract from top when a couple of these threads are running.
Code:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
10230 nobody 25 0 197m 27m 9392 R 45.5 2.9 0:03.27 /usr/local/apache/bin/httpd -DSSL
10231 nobody 25 0 197m 25m 8376 R 52.8 2.7 0:01.60 /usr/local/apache/bin/httpd -DSSL
I was wondering if anyone could help out by suggesting some ways of tracking down what page/script it which uses so much memory. It's a cPanel server so it's not really practical to tail -f the apache logs (not knowing which account it is means I don't know which file to watch).
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Jul 20, 2014
We are currently running plesk 11.5 and over the last few months, the apache memory usage has been very high. On investigation we have gone through the logs and we can't find a cause.
I can issue a service httpd restart and the memory drops for about 30 minutes and then we see the apache memory grow to almost 1.5 - 2GB. Why this keeps happening?
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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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Aug 2, 2013
I have Apache 2.4.6 x64 installation. With the lapse of time, more and more threads appear that are stuck in "L" state.
They are all gone after httpd restart, leaving 408 errors in access logs. What can be the reason?
Can mod_log_rotate be involved? Currently it's set to rotate every 2 days.
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Mar 18, 2014
I'm trying to redirect some threads in vbulletin from full version to archive version, I just have some problems and I have not been able to resolve it.
I have the [URL] ...
and I want redirect to: [URL] ....
I have:
Options + FollowSymLinksRewriteEngine onRewriteRule ^showthread.php?([0-9]+)$ archive/index.php/t-$1 [R = 301, L]
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Mar 27, 2013
I'm running Apache 2.4.4 on Windows Server 2008 R2. It's already happened many times that Apache stopped responding to requests. The last entry in the error.log:
[Wed Mar 27 06:22:07.043600 2013] [mpm_winnt:notice] [pid 1736:tid 256] AH00354: Child: Starting 64 worker threads.
[Wed Mar 27 06:52:34.521200 2013] [mpm_winnt:error] [pid 1736:tid 1656] AH00326: Server ran out of threads to serve requests. Consider raising the ThreadsPerChild setting
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Apr 4, 2013
we recently switched from Microsoft ISA to Apache as a proxy to redirect customers to computers in DMZ. However, since the switch, our system always down due to the threading issue below
##################################################
[Wed Apr 03 08:15:56 2013] [notice] Child 131648: Child process is running
[Wed Apr 03 08:15:56 2013] [notice] Child 131648: Acquired the start mutex.
[Wed Apr 03 08:15:56 2013] [notice] Child 131648: Starting 1000 worker threads.
[Code].....
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Nov 4, 2007
my VPS is using between 105mb of memory and it peeked at 127 mb of memory. But I'm only allowed 128mb of memory. It seems to be high and I want to know how to lower it
here's a picture of the list of processes
[url]
I have basically no sites on it just a few testing and it's only used 4.74mb of bandwith, I can't understand what is causing so much resource usage.
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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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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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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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Oct 6, 2007
what 'committed memory' could mean? Every time it gets to high I experience some problems with my site. There is also a lot of memory put in cache. I saw this in a graph using the application munin. How can I prevent this? Are there some configuration options in mysql or apache such that I can control this? How can I find out which process is using all the memory? And most important what does 'committed memory' actually mean...
The graph can be found at
users.pandora.be/enyo/memory-day.png
(apache+mysql+php where the peak indicates 10 000 visitors approximately)
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Oct 24, 2009
I installed kloxo on a fresh CentOS installation, not the hostinabox template
I have high memory usage though as seen here
[url]
Apache appears to be running 2 or 3 times? How do I remedy this?
[url]
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Mar 25, 2009
Two of my VPS's with a company are now showing very high memory loads, even after a reboot, both server are located on different nodes and they both shot up to high ram loads at the same time today(9amGMT) ....
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Nov 29, 2008
I'm running hypervm on xen a centos 5 64 bit box.
The problem I'm having is that after a couple of hours of uptime Dom0 seems to have used up all of it's available memory i.e:
[root@------ ~]# free -m
total used free shared buffers cached
Mem: 1536 1516 19 0 993 247
-/+ buffers/cache: 275 1260
Swap: 16002 0 16002
I have disabled the memory balloon driver in the xen config and set dom0_mem=1536M in grub.conf, i.e:
default=1
timeout=1
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title CentOS (2.6.18-92.1.18.el5)
root (hd0,0)
kernel /vmlinuz-2.6.18-92.1.18.el5 ro root=LABEL=/
initrd /initrd-2.6.18-92.1.18.el5.img
title CentOS (2.6.18-92.1.18.el5xen)
root (hd0,0)
kernel /xen.gz-2.6.18-92.1.18.el5 dom0_mem=1536M
module /vmlinuz-2.6.18-92.1.18.el5xen ro root=LABEL=/
module /initrd-2.6.18-92.1.18.el5xen.img
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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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Oct 4, 2009
I'm currently running vBulletin & two wordpress powered blogs on my box. Number of simultaneous users is about 200~250 and about 15~20 logged in users.
The memory usage is constantly in the range of 1.8 GB - 2.00 GB. Considering that total physical RAM my box has is 2 GB, the memory usage, I believe is exceptionally high.
The same site was running very well on shared hosting environment and also on VPS [with just 512 MB RAM] very fine.
What should I do to bring the memory consumption to minimum (required to run the site well?)
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Jan 6, 2007
for the last few days, i am facing high memory usage up to 90%.
Memory usage get's high, even if i don't have many visitors online. I have to restart httpd to get the memory to normal. some times, server loads, get's high aswell.
In error logs (only unusual things i see):
Code:
[Sat Jan 6 10:37:04 2007] [error] mod_gzip: TRANSMIT_ERROR:ISMEM:104
[Sat Jan 6 10:37:25 2007] [error] mod_gzip: TRANSMIT_ERROR:ISMEM:104
# top:
Code:
top - 10:42:19 up 10:35, 1 user, load average: 22.95, 10.67, 9.79
Tasks: 318 total, 1 running, 317 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.7% us, 1.3% sy, 0.0% ni, 0.0% id, 61.9% wa, 36.1% hi, 0.0% si
Mem: 2009652k total, 1220736k used, 788916k free, 28756k buffers
Swap: 6224564k total, 135212k used, 6089352k free, 389768k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
6365 root 0 -20 0 0 0 D 40 0.0 3:01.33 loop0
4553 root 16 0 3112 1108 760 R 1 0.1 0:00.30 top
327 root 15 0 0 0 0 S 0 0.0 6:33.15 kjournald
3743 nobody 15 0 18592 7260 2320 S 0 0.4 0:00.21 httpd
3833 nobody 15 0 21664 10m 2780 D 0 0.5 0:00.94 httpd
3838 nobody 15 0 20472 9400 2664 S 0 0.5 0:00.18 httpd
3858 nobody 15 0 18876 7616 2388 S 0 0.4 0:00.82 httpd
3919 nobody 16 0 21492 10m 2432 D 0 0.5 0:00.82 httpd
3931 nobody 15 0 18976 8016 2716 D 0 0.4 0:00.45 httpd
4439 nobody 15 0 18892 7612 2368 S 0 0.4 0:00.16 httpd
4913 root 18 0 2512 292 244 D 0 0.0 0:00.24 sync
1 root 16 0 2484 488 456 S 0 0.0 0:06.16 init
2 root RT 0 0 0 0 S 0 0.0 0:00.11 migration/0
3 root 34 19 0 0 0 S 0 0.0 0:06.66 ksoftirqd/0
4 root RT 0 0 0 0 S 0 0.0 0:00.16 migration/1
5 root 34 19 0 0 0 S 0 0.0 0:00.71 ksoftirqd/1
6 root 5 -10 0 0 0 S 0 0.0 0:14.59 events/0
7 root 5 -10 0 0 0 S 0 0.0 0:42.07 events/1
this looks suspisous to me:
6365 root 0 -20 0 0 0 D 40 0.0 3:01.33 loop0
as it's taking alot of memory. i don't see this before.
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Jul 2, 2007
cpu speed/type single or dual cpus): Intel Xeon 2x3.6
how much memory installed: 2048MB
hard drive type/configuration: 2x160GB SATA
linux distributor or windows version: CentOS 4.5 x86_64
apache/IIS version: apache 1.3.37
PHP version: php 4.4.7
MySQL version: 4.1.22-standard
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
19017 teknoloj 16 0 0 0 0 Z 27 0.0 0:00.93 php <defunct>
17751 mysql 15 0 241m 55m 3148 S 25 2.8 0:53.73 mysqld
19025 root 18 0 16204 6104 1392 D 6 0.3 0:00.17 cpcpan_check_in
18968 sohbetgo 16 0 44596 7540 3556 S 5 0.4 0:00.44 php
18552 nobody 15 0 32636 4208 1204 S 2 0.2 0:00.28 httpd
18808 resimsit 17 0 46944 9960 3616 R 1 0.5 0:00.23 php
18896 resimsit 16 0 46944 9984 3616 D 1 0.5 0:00.08 php
18921 resimsit 17 0 46404 9444 3572 R 1 0.5 0:00.09 php
18819 nobody 17 0 32644 4176 1192 S 1 0.2 0:00.06 httpd
18868 haylazt 16 0 0 0 0 Z 1 0.0 0:00.48 php <defunct>
18871 nobody 15 0 32504 4056 1148 S 1 0.2 0:00.06 httpd
18892 root 16 0 6416 1180 756 R 1 0.1 0:00.24 top
18978 nobody 16 0 32504 4028 1132 S 1 0.2 0:00.02 httpd
11 root 5 -10 0 0 0 S 0 0.0 0:24.56 events/1
2638 root 0 -20 0 0 0 S 0 0.0 0:16.96 loop0
2981 named 18 0 88016 2328 1152 S 0 0.1 8:44.12 named
3592 mailman 16 0 50316 2320 1828 S 0 0.1 0:00.78 python2.4
my.cnf
[mysqld]
safe-show-database
skip-innodb
max_connections = 500
key_buffer = 80M
myisam_sort_buffer_size = 64M
join_buffer_size = 1M
read_buffer_size = 1M
sort_buffer_size = 2M
table_cache = 1800
thread_cache_size = 384
wait_timeout = 25
connect_timeout = 10
tmp_table_size = 128M
max_heap_table_size = 128M
max_allowed_packet = 64M
max_connect_errors = 10
read_rnd_buffer_size = 524288
bulk_insert_buffer_size = 8M
query_cache_limit = 4M
query_cache_size = 96M
query_cache_type = 1
query_prealloc_size = 16384
query_alloc_block_size = 32768
ft_min_word_len=3
ft_max_word_len=25
[mysqld_safe]
open_files_limit = 8192
[mysqldump]
quick
max_allowed_packet = 16M
[myisamchk]
key_buffer = 64M
sort_buffer = 64M
read_buffer = 16M
write_buffer = 16M
ft_min_word_len=3
ft_max_word_len=25
[mysqlhotcopy]
interactive-timeout
MySQL 4.1.22-standard uptime 0 0:39:9 Sat Jun 30 21:33:29 2007
__ Key __________________________________________________ _______________
Buffer used 19.34M of 80.00M %Used: 24.17
Current 33.70M %Usage: 42.12
Write hit 32.57%
Read hit 98.45%
__ Questions __________________________________________________ _________
Total 63.26k 26.9/s
Slow 2 0.0/s %Total: 0.00 %DMS: 0.01
DMS 32.14k 13.7/s 50.80
__ Table Locks __________________________________________________ _______
Waited 40 0.0/s %Total: 0.08
Immediate 50.58k 21.5/s
__ Tables __________________________________________________ ____________
Open 486 of 1800 %Cache: 27.00
Opened 702 0.3/s
__ Connections __________________________________________________ _______
Max used 12 of 500 %Max: 2.40
Total 4.33k 1.8/s
__ Created Temp __________________________________________________ ______
Disk table 26 0.0/s
Table 2.23k 1.0/s
File 428 0.2/s
6-7 vbulletin sites-vbseo and other scripts online avarage;
120 registered user ve 500+ unregistered user
cookie timeout : 7200
unique hit : 15000-20000
KeepAlive ON
MaxKeepAliveRequests 100
KeepAliveTimeout 2
MinSpareServers 10
MaxSpareServers 15
StartServers 10
MaxClients 180
Maxrequestsperchild value 1000
[root@server ~]# uname -a
Linux server.xxxxx 2.6.9-55.ELsmp #1 SMP Wed May 2 14:04:42 EDT 2007 x86_64 x86_64 x86_64 GNU/Linux
[root@server ~]# ulimit -aH
core file size (blocks, -c) 1000000
data seg size (kbytes, -d) unlimited
file size (blocks, -f) unlimited
pending signals (-i) 1024
max locked memory (kbytes, -l) 32
max memory size (kbytes, -m) unlimited
open files (-n) 4096
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
stack size (kbytes, -s) 8192
cpu time (seconds, -t) unlimited
max user processes (-u) 14335
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
[root@server ~]# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Xeon(TM) CPU 3.60GHz
stepping : 10
cpu MHz : 3600.322
cache size : 2048 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl est tm2 cid cx16 xtpr
bogomips : 7207.08
clflush size : 64
cache_alignment : 128
address sizes : 36 bits physical, 48 bits virtual
power management:
processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Xeon(TM) CPU 3.60GHz
stepping : 10
cpu MHz : 3600.322
cache size : 2048 KB
physical id : 3
siblings : 2
core id : 3
cpu cores : 1
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl est tm2 cid cx16 xtpr
bogomips : 7199.29
clflush size : 64
cache_alignment : 128
address sizes : 36 bits physical, 48 bits virtual
power management:
processor : 2
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Xeon(TM) CPU 3.60GHz
stepping : 10
cpu MHz : 3600.322
cache size : 2048 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl est tm2 cid cx16 xtpr
bogomips : 7509.03
clflush size : 64
cache_alignment : 128
address sizes : 36 bits physical, 48 bits virtual
power management:
processor : 3
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Xeon(TM) CPU 3.60GHz
stepping : 10
cpu MHz : 3600.322
cache size : 2048 KB
physical id : 3
siblings : 2
core id : 3
cpu cores : 1
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl est tm2 cid cx16 xtpr
bogomips : 7199.26
clflush size : 64
cache_alignment : 128
address sizes : 36 bits physical, 48 bits virtual
power management:
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Nov 19, 2007
I have a linux server that is only hosting one site , and although the httpd and mysql are working well , then the server load is high and when I restart the server the server load is high till the swap accelerates to 100% and then it uses the memory alot.
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Jan 4, 2007
I just installed Windows 2K3 web on a dual xeon (hyperthreading).
When I check out the cpu threads in the "task manager", it only shows 2 cpu threads.
I have always installed win 2K3 std and it shows the 4 cpu threads. So my question is weather the web edition will only show the 2 cpu threads or am I missing something.
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Sep 28, 2007
I have a website that runs off a mysql database.
The first month it hit in excess of 400 threads.
Would anyone know whats the cheapest alternative to run a a site this size. Would a VPS account handle it?
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Aug 2, 2009
I am using VPS (Linux OS), and web server is apache. I totally have 768M memory. When the system start up, I usually have 550M-600M free memory.
I just found that each httpd process occupied almost 20M memory. It's horrible, I was though that 1M for each process is reasonable.
Now the httpd.conf looks like:
StartServers 5
MinSpareServers 5
MaxSpareServers 10
MaxClients 150
But if I change StartServers to 50, httpd will eat up all my memory. I did some calculation, that 600M/20M = 30. This means if apache have more than 30 concurrent requests, There server will be out of memory. The "MaxClients 150" is meaningless! I was though 150 is too small.
I only use apache with php, they are complied by WHM. Should I re-complied the apache with php?
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Sep 24, 2007
Configuration: Xeon 3060 4gb of ram
So mysql is using 6% of memory, xcache is set to 256MB, and rest is for apache.
So my question is what do I need to do? Compile apache to have smaller memory foot print or cut down more quicker idlers? Usually there is no problem, but if I got like 300+ people browsing the joomla site all day eventually system gets out of memory and starts swaping. Any ideas?
Quote:
Server Version: Apache/1.3.37 (Unix) mod_gzip/1.3.26.1a mod_auth_passthrough/1.8 mod_log_bytes/1.2 mod_bwlimited/1.4 PHP/4.4.7 FrontPage/5.0.2.2635.SR1.2 mod_ssl/2.8.28 OpenSSL/0.9.7a
Server Built: May 31 2007 00:49:37
Quote:
Current Time: Monday, 24-Sep-2007 19:54:50 CEST
Restart Time: Monday, 24-Sep-2007 12:19:45 CEST
Parent Server Generation: 27
Server uptime: 7 hours 35 minutes 5 seconds
Total accesses: 691782 - Total Traffic: 2.7 GB
CPU Usage: u199.12 s35.93 cu.09 cs.71 - .864% CPU load
25.3 requests/sec - 102.3 kB/second - 4135 B/request
30 requests currently being processed, 31 idle servers
Quote:
total used free shared buffers cached
Mem: 4054 3227 826 0 44 456
-/+ buffers/cache: 2727 1326
Swap: 1992 125 1867
Quote:
netstat -an|awk '/tcp/ {print $6}'|sort|uniq -c
27 ESTABLISHED
6 FIN_WAIT1
11 FIN_WAIT2
3 LAST_ACK
39 LISTEN
11 SYN_RECV
1 SYN_SENT
204 TIME_WAIT
Quote:
Timeout 45
KeepAlive On
MaxKeepAliveRequests 300
KeepAliveTimeout 2
MinSpareServers 10
MaxSpareServers 20
StartServers 10
MaxClients 300
MaxRequestsPerChild 1000
Code:
nobody 24280 0.2 4.3 418304 179380 ? S 17:01 0:24 /usr/local/apache
mysql 4071 4.9 6.1 290892 255556 ? S<l Jul23 4523:49 /usr/sbin/mysqld
nobody 24812 0.2 4.2 418180 176320 ? S 17:08 0:25 /usr/local/apache
nobody 25029 0.2 1.2 296428 52092 ? S 17:11 0:24 /usr/local/apache
nobody 25107 0.2 3.5 417672 147076 ? S 17:12 0:21 /usr/local/apache
nobody 26743 0.2 4.1 418276 173520 ? S 17:34 0:20 /usr/local/apache
nobody 31438 0.2 3.4 417864 142332 ? S 18:37 0:10 /usr/local/apache
nobody 31443 0.3 4.0 417720 169660 ? S 18:37 0:13 /usr/local/apache
nobody 31444 0.2 4.0 417112 167412 ? S 18:37 0:12 /usr/local/apache
nobody 31445 0.2 4.1 417820 171336 ? S 18:37 0:12 /usr/local/apache
nobody 31446 0.2 1.0 294716 45512 ? S 18:37 0:10 /usr/local/apache
nobody 31447 0.2 4.1 417668 171076 ? S 18:37 0:12 /usr/local/apache
nobody 32514 0.2 3.2 416880 135924 ? S 18:52 0:07 /usr/local/apache
root 32578 0.0 0.0 7456 2340 ? Ss 18:53 0:00 sshd: root@pts/2
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May 9, 2007
I got apache 1.3.3.7 installed and i really do not know what to do. I though I already optimized server but after 6 days of uptime memory is full and i just saw load went to 3 and started to swap. Specs are RHEL 4, xeon 3060 with 4gb of ram.
Settings:
Timeout 300
KeepAlive On
MaxKeepAliveRequests 200
KeepAliveTimeout 4
MinSpareServers 10
MaxSpareServers 15
StartServers 10
MaxClients 200
I'm under impression that if i add 64gb of ram i would still fill it up in lets say 15 days because apache isn't releasing memory properly. After load 3 some memory is released:
Mem: 4054 3171 882 0 22 259
-/+ buffers/cache: 2890 1163
Swap: 1992 330 1662
I got atm 220 users online and when i restart apache even if i have 500 concurrent users online usage of memory is only 800mb, and as u see now its 3gb and only half of users are online so its not really peak time.
Apache processes are still hanging from 4 hours ago and they are not cut, as you can see every process takes around 4% of memory:
nobody 19618 0.1 4.1 281596 172400 ? S 18:36 0:20 /usr/local/apache/bin/httpd -DSSL
nobody 21100 0.2 4.4 288872 183672 ? S 18:57 0:22 /usr/local/apache/bin/httpd -DSSL
nobody 22654 0.2 1.5 161620 66168 ? S 19:18 0:22 /usr/local/apache/bin/httpd -DSSL
nobody 23250 0.2 1.4 161740 60564 ? S 19:28 0:20 /usr/local/apache/bin/httpd -DSSL
nobody 23423 0.2 4.2 283636 176940 ? S 19:30 0:22 /usr/local/apache/bin/httpd -DSSL
nobody 23479 0.1 2.3 283652 96900 ? S 19:31 0:16 /usr/local/apache/bin/httpd -DSSL
So i really hope there is solution because restarting apache every few days isn't fun and it sounds insane.
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Oct 23, 2009
I have formated my linux Centos 4 server with PHP 4.4 and install Centos 5 with PHP 5.1 ( will upgrade to 5.2 soon ).
I succeed to restore all of my web sites and forums except one which has 110MB sql file, VBulletin 3.6.8.
I think the problem is related on my hack's and modifications I have done before...
Now I decided to install a new and fresh forum with version of 3.6.8 to be the same with ex one ( I will upgrade it after transferring ( migrating ) every threads, posts and members to new forum to 3.8.4)
But the problem is: when I restore the whole sql to new forum I had come across many problems.
THE QUESTION IS:
how can I transfer just "threads", "posts" and "members" to a new and fresh vBulletin forum ?
please note that my forum is not working now and I just have a "whole-website-backup.SQL" file and also back up of whole database folder in the linux ( it contains .frm , .MYD , .MYI files like: mst_post.frm , mst_post.MYD , mst_post.MYI and others...)
I have tried to copy these .frm .MYD and .MYI files on the new database folder but it was not worked!
I think I must restore by the help of .SQL file but I dont know how! when I recover whole the .SQL file forum does not work good and had some problem ( I can't log in to admin panel for example, and my VBSeo configurations gone and can't be repaire...
Please show me how can I transfer just my Posts and members to a NEW installed VBulletin forum with same or different "database name" and "database username".
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