Server Reached Maxclients
Mar 25, 2008
I`m on VPS 768Ram WHM/Cpanel
when i check error log on apache i see that error around 5 times daily.
[error] server reached MaxClients setting, consider raising the MaxClients setting
the apache restart automatically (~3 second). and that the problem when user make downloading all connections CUT.
my httpd.conf
maxclients 150
maxrequestperchild 0
i can increase maxclients no problem but i don`t know if i need to do something else or not.
Is there any way to LIMIT connection ( if server get more than 256 connection it says SERVER BUSY and doesn`t accept any connection )
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May 27, 2014
Every night at the same time HTTPD gets overloaded and stops running. I have to do a reboot. What could be the problem?
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Dec 3, 2007
An user is reporting this error receiving emails:
451 - The server has reached its limit for processing requests from your host
I've searched for this error message but haven't found much info
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May 27, 2009
im using apache2, and in apache config i set maxclients value is 60.
it mean, my vps will accept only 60 clients at the same time.And when vps have more than 60 clients, all clients over are locked out till my vps have less than 60 connections.
But when my vps had more than 60 clients, apache is crash, ram is not full, and i must restart apache.
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Jun 13, 2008
i want to larger the "MaxClients",
i add the MaxClients 1000 in the httpd/conf/httpd.conf and restart the httpd
but it looks likely not work at all,
what should i do else?
my apache is version 2
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May 25, 2008
Noticed that our http.conf file only contains MaxClients but not HardServerLimit. Is it because we are running an older version of Apache where the server limit has to be compiled with that set? We are running: 1.3.37
Our management server has set MaxClients to 2000 and it seems to work. Have been doing lots of reading and this number may cause issues when the server spikes in traffic. Most users recommend a number below 500.
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Aug 17, 2014
I am using Plesk 12 / Ubuntu 14.04
In PLESK 11 I could set maxclients, ServerLimit ..... in /etc/apache2/apache2.conf
But I cannot find these settings in apache2.conf.
Where to configure these settings, in which file?
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Jan 8, 2008
Since I upgraded to apache2.2 I dont seem to be able to find the "MaxClients" setting in httpd.conf.
I spent some time on google and aparently this has been taken out because apache2 is multi-threaded. What I do know is no more than about 250 people can connect to my server.
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Nov 30, 2007
well now my server load is back to normal i.e 1 - 2
but i want to increase the maxclients limit in my httpd.conf..
when i did 312 and restarted it, it says the max is 256.. so how do i increase the limit
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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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Feb 1, 2007
One of my sites gets around 10k+ visitors a day which has caused my httpd to be really slow.
My MaxClients is set to 250.
What should I do to get it back to normal?
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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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Jun 11, 2008
GoDaddy says: "You have reached your current SMTP relay limit of 1000 per day on the following hosting account" But they assigned a limit of 1,000 -- and i don't use SMTP relay at all. I have set up my active email accounts to use Google SMTP. When I tell GoDaddy about this, they tell me it is my responsibility. So what do i do?
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Nov 24, 2008
grep CPU /var/log/dmesg
WARNING: NR_CPUS limit of 1 reached. Processor ignored.
WARNING: NR_CPUS limit of 1 reached. Processor ignored.
WARNING: NR_CPUS limit of 1 reached. Processor ignored.
WARNING: NR_CPUS limit of 1 reached. Processor ignored.
WARNING: NR_CPUS limit of 1 reached. Processor ignored.
WARNING: NR_CPUS limit of 1 reached. Processor ignored.
WARNING: NR_CPUS limit of 1 reached. Processor ignored.
Virtuozzo Fair CPU scheduler
Initializing CPU#0
CPU: After generic identify, caps: bfebfbff 20100000 00000000 00000000
CPU: After vendor identify, caps: bfebfbff 20100000 00000000 00000000
CPU: Trace cache: 12K uops, L1 D cache: 16K
CPU: L2 cache: 2048K
CPU: After all inits, caps: bfebf3ff 20100000 00000000 00000180
Intel machine check reporting enabled on CPU#0.
CPU0: Intel P4/Xeon Extended MCE MSRs (24) available
CPU0: Thermal monitoring enabled
CPU: Intel(R) Xeon(TM) CPU 2.80GHz stepping 08
ACPI: Processor [CPU0] (supports C1)
uname -a
Linux server.domain.com 2.6.9-023stab048.4 #1 Fri Jul 11 17:50:54 MSD 2008 i686 i686 i386 GNU/Linux
cat /etc/redhat-release
CentOS release 4.3 (Final)
This is a dual core, dual xeon server so it should be 8 processors total.
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May 5, 2009
Getting an error specifically to sympatico ISP in Canada.
A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:
retry timeout exceeded
exim_mainlog shows:
T=remote_smtp defer (-53): retry time not reached for any host
telnet sympatico.ca 25
Trying 206.47.72.104...
telnet: connect to address 206.47.72.104: Connection refused
telnet: Unable to connect to remote host: Connection refused
Port 25 adn 53 are open in my CSF firewall (cpanel server), TCP and UDP (for 53) and TCP for 25.
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Nov 1, 2008
i'm asking about the script which install in linux servers and automatic suspend sites which over it's limit resources in ram and cpu , like used in big hosting company ....
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Jul 16, 2014
In the documentation for Plesk 12 there is no information on what is happening if the limit for outgoing mail is reached.
If there is a limit of 50 mails per hour on a mail account and someone is trying to send 60 mails in one hour, what does happen with these 10 mails over limit?
1. Are there send 50 mails and the rest of 10 mails are deleted and will never be sent?
2. Or are these 10 mails sent later?
3. Can there be sent more mails in the next hour or is the mail account now blocked for sending mails?
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May 23, 2009
i have run exim -qff from SSH then i got below error let me know what to do
Code:
root@web [~]# exim -qff
sda7: write failed, user block limit reached.
sda7: write failed, user block limit reached.
sda7: write failed, user block limit reached.
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May 8, 2007
I've got a VPS which is serving as the main server for a number of sites. Web Server, SSH Server, and Mail Server.
What I've got running:
Apache2, PHP5, MySQL5, Dovecot, Postfix
One of the sites is a growing forum with a MASSIVE photo album. This is the site where I notice the most slowness.
Changing the server software is not an option - Only optimization.
Quote:
Originally Posted by httpd.conf
ServerTokens OS
ServerRoot "/etc/httpd"
PidFile run/httpd.pid
Timeout 300
KeepAlive Off
MaxKeepAliveRequests 100
KeepAliveTimeout 5
<IfModule prefork.c>
StartServers 8
MinSpareServers 8
MaxSpareServers 13
ServerLimit 256
MaxClients 256
MaxRequestsPerChild 50
</IfModule>
<IfModule worker.c>
StartServers 2
MaxClients 150
MinSpareThreads 25
MaxSpareThreads 75
ThreadsPerChild 25
MaxRequestsPerChild 0
</IfModule>
Listen 80
LoadModule auth_basic_module modules/mod_auth_basic.so
LoadModule auth_digest_module modules/mod_auth_digest.so
LoadModule authn_file_module modules/mod_authn_file.so
LoadModule authn_alias_module modules/mod_authn_alias.so
LoadModule authn_anon_module modules/mod_authn_anon.so
LoadModule authn_dbm_module modules/mod_authn_dbm.so
LoadModule authn_default_module modules/mod_authn_default.so
LoadModule authz_host_module modules/mod_authz_host.so
LoadModule authz_user_module modules/mod_authz_user.so
LoadModule authz_owner_module modules/mod_authz_owner.so
LoadModule authz_groupfile_module modules/mod_authz_groupfile.so
LoadModule authz_dbm_module modules/mod_authz_dbm.so
LoadModule authz_default_module modules/mod_authz_default.so
LoadModule ldap_module modules/mod_ldap.so
LoadModule authnz_ldap_module modules/mod_authnz_ldap.so
LoadModule include_module modules/mod_include.so
LoadModule log_config_module modules/mod_log_config.so
LoadModule logio_module modules/mod_logio.so
LoadModule env_module modules/mod_env.so
LoadModule ext_filter_module modules/mod_ext_filter.so
LoadModule mime_magic_module modules/mod_mime_magic.so
LoadModule expires_module modules/mod_expires.so
LoadModule deflate_module modules/mod_deflate.so
LoadModule headers_module modules/mod_headers.so
LoadModule usertrack_module modules/mod_usertrack.so
LoadModule setenvif_module modules/mod_setenvif.so
LoadModule mime_module modules/mod_mime.so
LoadModule dav_module modules/mod_dav.so
LoadModule status_module modules/mod_status.so
LoadModule autoindex_module modules/mod_autoindex.so
LoadModule info_module modules/mod_info.so
LoadModule dav_fs_module modules/mod_dav_fs.so
LoadModule vhost_alias_module modules/mod_vhost_alias.so
LoadModule negotiation_module modules/mod_negotiation.so
LoadModule dir_module modules/mod_dir.so
LoadModule actions_module modules/mod_actions.so
LoadModule speling_module modules/mod_speling.so
LoadModule userdir_module modules/mod_userdir.so
LoadModule alias_module modules/mod_alias.so
LoadModule rewrite_module modules/mod_rewrite.so
LoadModule proxy_module modules/mod_proxy.so
LoadModule proxy_balancer_module modules/mod_proxy_balancer.so
LoadModule proxy_ftp_module modules/mod_proxy_ftp.so
LoadModule proxy_http_module modules/mod_proxy_http.so
LoadModule proxy_connect_module modules/mod_proxy_connect.so
LoadModule cache_module modules/mod_cache.so
LoadModule suexec_module modules/mod_suexec.so
LoadModule disk_cache_module modules/mod_disk_cache.so
LoadModule file_cache_module modules/mod_file_cache.so
LoadModule mem_cache_module modules/mod_mem_cache.so
LoadModule cgi_module modules/mod_cgi.so
Include conf.d/*.conf
User apache
Group apache
Quote:
Originally Posted by my.cnf
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
# 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]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
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Mar 7, 2009
I looked a lot - can not find solution ....
I want to transfer a file from [url]to [url]or [url]Without it will pass my localcomputer (slow upload)
It can be also a script i will install like this one - this is only for images
[url](remote)
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Oct 16, 2013
I have Plesk 11.5 (service provider mode) on a Windows 2008 server IIS7.Most of my sites are developed in .asp and therefore i use a custom 500-100.asp error page that check s the IP of the visitor then displays either a friendly error, or if its my IP a full error of what has happened (it also emails me the error). This allows me to debug pages easily whilst developing and to keep an eye on anyone trying SQL Injection hacks on my sites (as the error and email also have session variables and IP address).I dont have root access to the server as it is a Webfusion dedicated server.I have following the Plesk documentation -
1) Switch on custom errors for the subscription
2) Look in virtual directories and navigate to error documents
3) Find the error in question (500:100) and change it to point at either a file or URL
FILE - I had the data centre add in the 500-100.asp error page in to the virtual template so that my page is available in the list of virtual files - this didn't work but that maybe because its not a static page??
URL - when i add the path it says its incorrect, if i add a fully qualified address, it accepts it but it doesn't work.give me a specific example of the URL that can be entered relative to the root as the format in the documentation isn't accepted. The last step is to restart IIS which is also an issue as i cant seem to do this from the Plesk panel..It is as if it isn't catching the 500:100 error, and only catching the general 500 error??
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Nov 21, 2006
I am currently running Google Analytics/Urchin 5 (v5.7.02), on a server, the server has started to act up, (on its last legs etc) and now I am trying to transfer the Urchin Software to a new server, where it would work effectively.
However upon installing the urchin software on the new server and running it (localhost:9999), I am presented with An Action Items Page, and these following choices
Obtain Demo License
Buy License
Activate Pre-Purchased License
I choose ‘Activate Pre-Purchased License’ pop in the Serial number and complete the registration then…
---------------------------------------------------------
Urchin Licensing Center -- Error!
An error has occured during your transaction, please use the back button and correct the problem. The specific error message is:
• Unable to generate a license. Some possible reasons:
Your serial code is currently active <<< How do I disable it and use it on another server?
---------------------------------------------------------
So all I want to do is deactivate the serial and reactivate it on another server.
Does anyone have experience with this or a similar problem or have a solution to this problem. Any help be most appriciated.
Or even a Contact Number so that i can get some one over the phone!
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My question is how do I setup the DNS in cpanel/whm from server2 so the emails from server2 will reach server1?
Server1 (www.domain.com)
ns1.domain.com
ns2.domain.com
Server2
ns3.domain.com
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