Server Seems Busy, (you May Need To Increase StartServers, Or Min/MaxSpareServers)
Mar 17, 2008
I have a pages with high load - load avg is about 10-20.
and in the error_log of the apache message:
[Mon Mar 17 18:10:19 2008] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 8 children, there are 6 idle, and 32 total children
I have in apache:
KeepAlive On
MaxKeepAliveRequests 100
KeepAliveTimeOut 1
StartServers 15
MinSpareServers 15
MaxSpareServers 20
MaxClients 256
MaxRequestsPerChild 500
What values should be of these parameters for the such high traffic pages?
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Jul 23, 2009
I am wanting to set the following in the httpd.conf
MinSpareServers / MaxSpareServers / StartServers
However they are not in my httpd.conf , I am running Apache 2.2.11 on a cPanel/WHM VPS.
How and where do I set these settings?
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Jun 28, 2007
../logs/error_log
[info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 8 children, there are 6 idle, and 37 total children
../httpd.conf
StartServers 7
MinSpareServers 8
MaxSpareServers 13
I think it's already high values, Is it safe to increase it?
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Aug 29, 2007
Is there a way I can track the HTTP traffic to which domain is running with high traffic. Due to traffic load I/O wait is increasing. I want to suspend the domain that have the large traffic to avoid down time.
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Apr 27, 2009
I've VPS, I want to cutomize server busy message.
what i should do to cutomize this page?
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Apr 20, 2008
Tailed apache logs and found this:
[Sun Apr 20 08:29:34 2008] [debug] proxy_util.c(1778): proxy: initialized single connection worker 0 in child 10308 for (*)
[Sun Apr 20 08:29:34 2008] [debug] proxy_util.c(1670): proxy: grabbed scoreboard slot 0 in child 10309 for worker proxy:reverse
[Sun Apr 20 08:29:34 2008] [debug] proxy_util.c(1670): proxy: grabbed scoreboard slot 0 in child 10310 for worker proxy:reverse
[Sun Apr 20 08:29:34 2008] [debug] proxy_util.c(1689): proxy: worker proxy:reverse already initialized
[Sun Apr 20 08:29:34 2008] [debug] proxy_util.c(1689): proxy: worker proxy:reverse already initialized
[Sun Apr 20 08:29:34 2008] [debug] proxy_util.c(1778): proxy: initialized single connection worker 0 in child 10309 for (*)
[Sun Apr 20 08:29:34 2008] [debug] proxy_util.c(1778): proxy: initialized single connection worker 0 in child 10310 for (*)
[Sun Apr 20 08:29:35 2008] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 8 children, there are 2 idle, and 45 total children
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1670): proxy: grabbed scoreboard slot 0 in child 10311 for worker proxy:reverse
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1689): proxy: worker proxy:reverse already initialized
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1778): proxy: initialized single connection worker 0 in child 10311 for (*)
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1670): proxy: grabbed scoreboard slot 0 in child 10312 for worker proxy:reverse
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1689): proxy: worker proxy:reverse already initialized
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1778): proxy: initialized single connection worker 0 in child 10312 for (*)
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1670): proxy: grabbed scoreboard slot 0 in child 10313 for worker proxy:reverse
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1689): proxy: worker proxy:reverse already initialized
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1778): proxy: initialized single connection worker 0 in child 10313 for (*)
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1670): proxy: grabbed scoreboard slot 0 in child 10314 for worker proxy:reverse
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1689): proxy: worker proxy:reverse already initialized
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1778): proxy: initialized single connection worker 0 in child 10314 for (*)
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1670): proxy: grabbed scoreboard slot 0 in child 10315 for worker proxy:reverse
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1689): proxy: worker proxy:reverse already initialized
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1778): proxy: initialized single connection worker 0 in child 10315 for (*)
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1670): proxy: grabbed scoreboard slot 0 in child 10316 for worker proxy:reverse
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1689): proxy: worker proxy:reverse already initialized
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1778): proxy: initialized single connection worker 0 in child 10316 for (*)
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1670): proxy: grabbed scoreboard slot 0 in child 10317 for worker proxy:reverse
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1689): proxy: worker proxy:reverse already initialized
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1778): proxy: initialized single connection worker 0 in child 10317 for (*)
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1670): proxy: grabbed scoreboard slot 0 in child 10318 for worker proxy:reverse
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1689): proxy: worker proxy:reverse already initialized
[Sun Apr 20 08:29:35 2008] [debug] proxy_util.c(1778): proxy: initialized single connection worker 0 in child 10318 for (*)
What on earth is all these proxy_util.c errors?
Also, I could not find any details in the httpd.conf file regarding StartServers, or Min/MaxSpareServers.
I'm using Centos 4 / Apache 2.2 / PHP 5 / Cpanel
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Sep 23, 2008
Mysql server always busy and slow (in my VPS).
How I can know which website/account uses mysql very heavely?
or just any monitoring Idea?
I want to know which user is responsible of that overuse?
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Dec 8, 2008
it's getting to the point where I need to optimize MySQL to better handle a busy server.
These days it seems MySQL is using 30% - 60% CPU almost constantly. But, the good news is that I've got 4 gigs of ram on this box and their seems to be an access of 600mb free constantly throughout the day.
Is it possible to tweak MySQL to a little more RAM dependent and take some of the load off the CPU? It seems MySQL wont go over 300mb of ram at any given time.. I'm already working on optimizing the SQL Querys on the web page itself.
my.cnf (4.1.22-standard):
# Default to using old password format for compatibility with mysql 3.x
# clients (those using the mysqlclient10 compatibility package).
# old_passwords=1
# [mysql.server]
# user=mysql
# basedir=/var/lib
# [mysqld_safe]
# err-log=/var/log/mysqld.log
# pid-file=/var/run/mysqld/mysqld.pid
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
safe-show-database
old_passwords
back_log = 75
max_connections = 600
table_cache = 128
thread_cache = 32
wait_timeout = 60
interactive_timeout = 80
connect_timeout = 60
tmp_table_size = 64M
max_heap_table_size = 64M
max_allowed_packet = 64M
max_connect_errors = 10
read_rnd_buffer_size = 524288
bulk_insert_buffer_size = 64M
query_cache_limit = 8M
query_cache_size = 100M
query_cache_type = 1
default-storage-engine = MyISAM
local-infile=0
thread_concurrency = 4
[mysql.server]
user=mysql
basedir=/var/lib
[mysqld_safe]
err-log=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
open_files_limit = 8192
[mysqldump]
quick
set-variable = max_allowed_packet=16M
[myisamchk]
set-variable = key_buffer=256M
set-variable = sort_buffer=64M
set-variable = read_buffer=16M
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May 11, 2009
Are there any services where an ADMIN can monitor DB usage on system and make some recommendations or even find SQL that is poorly written ...
I have a DUAL harpertown, 10GB RAM, and RAID
I have a typical, gallery, busy VB forum, and video script...
THe site traffic has not increased much but my Memory keeps getting chewed up... i already did some tuning that VBULLLETIN suggested... but the memory still goes... i need a tool or someone to just monitor the server for a day and grab as much diagnostic info as possible..
I suspect that its a single query giving problems cuz i have some custom coded pages...
I don't want to split the DB and HTTP request on diff servers cuz the traffic that i get shouldn't warrant it... for now...
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Aug 29, 2007
Is there any where that I can check my MinSpareServers, MaxSpareServers values are good enough? Or they're too small, or too big?
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Mar 23, 2005
I am using prefork MPM in apache because we are running php which is not thread safe.
I have a ServerLimit of 500 and a MaxClients/MaxSpareServers set at 500. However, the server seems to be stuck at 352 processes.
Any ideas of why that may be?
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Nov 3, 2008
how can you increase the uptime of your server?
can i ask how could you increase the uptime of your server?
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Jun 22, 2009
it took me one year to develop the disk cache tool which can dramatically boost your host and save your harddisk. it is like supercache,but more cheap and better speed.
check picture to see what it can do.
i will offer free download to test the tool by first 10 people. if u host huge traffic website, do not hesitate to try it. i already test it for half a year. it is time to publish it. pm me or post here to get free download.
i open to any opinion about the tool.
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Feb 12, 2007
i'm hosting a forum (~80 simultalinous users online) In a VDS 512 MB RAM, Linux Debian with apache 1.3 and mysql 4.1 , php4.
Apache seems to be busy, pages don't even load, this can be resolved by restating apache. and after a couple of time (about 4 hours) it does the same thing again, and i do have to restart it again and looping ...
Here is my httpd.conf file :
Code:
Timeout 200
KeepAlive On
MaxKeepAliveRequests 200
KeepAliveTimeout 3
MinSpareServers 5
MaxSpareServers 15
StartServers 5
MaxClients 20
HostnameLookups Off
MaxRequestsPerChild 2000
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Jun 3, 2009
Wanted to share a bit (read vent a bit if you're cynical ).
Just got the following e-mail from hostmonster.
-----------
Dear Dale:
Your web hosting account for ibycus.com has been deactivated (reason: site causing performance problems).
Although your web site has been disabled, your data may still be available for up to 15 days, after which it will be deleted.
If you feel this deactivation is in error, please contact customer support as soon as possible.
Thank you,
Support
For support go to
Toll-Free: (866) 573-4678
-------------
Apparently, there are two files on my website that are being hit quite a bit, and causing the server to slow down. (I admit, its a busy site, and the files are very big).
The files aren't new there, and neither is the traffic, but the plug was pulled with no warning what so ever, and no offer of remediation on their part beyond refunding the remaining portion of my contract (I would hope so too!).
I can understand that they may not be able to continue to host my site due to the volume of traffic it generates, but they really could have handled this much better.
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Jul 10, 2008
What minimum VPS specs should I be looking for to support a PHPBB3 forum that uses 100GB/mth bandwidth and has 50 concurrent users at peak times (measured by PHPBB, so not real-time concurrent)?
And are there any suggestions for inexpensive ($30 or less) options that would be worth trying? Have never used a VPS before.
If not, are there any shared hosting providers that specialize in hosting message boards like PHPBB?
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Jun 8, 2009
Can anybody suggest a large hosting company based in France?
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Jun 18, 2015
I am using apache 2.2 webserver and tomcat 6 as app server.
I have two unix boxes (let say A and B) where apache is installed for load balancing purpose.
The issue is now and then I see that on both the server reaches to 250 busy servers which makes my site very slow and after some time the site is unaccessible.
When I see this I restart apache on both unix boxes and also restart my app server.
But that does not work. As soon as I start apache the httpd process ramps up to 12 (ps -ef | grep httpd) within a minute and the busy servers still remains at 250.
The only I have to do is wait and watch till the busy servers goes down to 250 and then site is back to normal.
Some times it takes hours for busy servers to go down below 250.
I dont understand that why even restarting apache and tomcat doesn't work. why the busy servers are still at 250. even after I restart.
This is what I have in httpd.conf
<IfModule worker.c>
ServerLimit 80
StartServers 2
MaxClients 250
MinSpareThreads 25
MaxSpareThreads 75
ThreadsPerChild 25
MaxRequestsPerChild 0
</IfModule>
I tried to increase MaxClients to 300, which also didn't work and apache or httpd process shuts down by itself.
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Jul 7, 2009
we have problem with increase HDD for VPS in vmware
when i increase HDD show this error:
"Reconfigure Virtual Machine" failed to complete OK
If these problems persist, please contact your system administrator.
DetailsOperation failed because file already exists.
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Jul 18, 2008
Just received this from cPanel... it is a substantial price increase (33%). Should be fun explaining to customers why they will start to be billed more...
Earlier this year we released cPanel VPS Optimized as part of our ongoing effort to provide quality web hosting automation software. You can learn more about this optimization of our software for VPS environments on our website at:
http://www.cpanel.net/products/cpvps/
In order to provide optimized software and ensure continuous updates for your virtual server customers, effective September 1, 2008 the monthly pricing for all internal virtual server licenses will be increased by $2 per license.
This price increase is for virtual server licensing only and will not affect your dedicated server license pricing.
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i have a dedicated server windows 2008
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Nov 4, 2009
althogh the cpu is very powerful now,
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about the hd performance,
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May 2, 2009
I'm considering upgrading our company's server. We run an ecommerce site php/mysql based, we have about 12,000 visitors per day and we use up about 1500 gig per month. Simple ecommerce site, nothing fancy. We had some complains from people that our site is "slow" (despite it running smoothly for us, but these people claimed that only our site was "slow" and that they use fast connections) so that's why now I'm thinking maybe its time to upgrade.
We are using softlayer, for an extra $50 per month they recommended that we upgrade from our Opteron 1216 to "Xeon 3220 - 2.40GHz (Kentsfield) - 2 x 4MB cache"
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Oct 21, 2008
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Nov 30, 2007
well now my server load is back to normal i.e 1 - 2
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