Max_user_connections Recurring
Aug 7, 2007
I keep getting this error once in a while for my forum.
Quote:
SQL ERROR [ mysql4 ]
User xxxxx_xxxx has already more than 'max_user_connections' active connections [1203]
An sql error occurred while fetching this page. Please contact an administrator if this problem persists.
I've contact support team from my Hosting provider and they have help me to increase the value of max_user_connection to 50. I have made to understand by them that this problem can be resolved by using VPS or Dedicated server. As a newbie, I just want some assurance would the problem permanently resolve if I'm using VPS or Dedicated server? Which one should I use? VPS or dedicated server?
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Nov 20, 2008
I'm having a recurring issue where someone is getting a script into /tmp, taking down the webserver and setting up their stupid IRC bot on port 80. It's annoying because thus far I have not been able to track them down. As soon as it happens I'm combing through the logs trying to find out what PHP script (probably PHPBB or something like it from one of my customers) is letting them through but there is nothing in the logs. I've had this happen before but usually there's some trace in the logs like some ASCII encoded string. Right now I just have little to nothing to go on and it's quite annoying. I've combed all over the net but found next to nothing. RKHunter doesn't even know it exists.
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May 7, 2008
I recently got a Windows VPS to run a few applications 24/7. I generally login to the VPS during the day, via Remote Desktop, to review these applications..
However, I frequently have issues. Sometimes, I forget to log out and I will be terminated with a "the remote computer terminated the connection" and then I won't be able to re-login to the VPS. Sometimes I click the X on the Remote Desktop and then when I try to re-connect, I get the same error. Once I got the error "the remote connection has timed out. please try re-connecting to the remote computer again "
And the worse part is that the Remote Desktop can't be restarted alone.. my host has to restart my Windows every time - so my applications go down.
Is it me or is the VPS not supposed to act like this? Why is Remote Desktop so touchy?
I was told by the host that I should always use the Log Off.. however, if I do then Windows says that it will close all my applications.. I don't get any option to Log Off without closing the apps.. so I have to end up using the X.
- Disk Space 10GB
- Bandwidth 800GB
- Dedicated RAM 256MB
- Shared Dual Quad Core XEON CPUs
- Windows 2003 Server
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Jan 14, 2015
I've been plagued by CBL listing for quite some time now, on a linux server with Plesk 12.After months of a fierce fight against every possible malware on the about 120 various websites on this server, extensively monitoring clients emails, enabling restrictive policies and finally even hiring a private security firm to investigate the problems further, we were sure that not a single spam message was sent by our server in any way.
So we finally contacted CBL, exposed the issue and got this answer:The CBL attempts to detect compromised machines in a number of ways based upon the email that the CBL's mail servers receive.During this it tries distinguish whether the connections represent real mail servers by ensuring that each connection is claiming a plausible machine name for itself (via SMTP HELO), and not listing any IP that corresponds to a real mail server (or several mail servers if the IP address is a NAT firewall with multiple mail servers behind it). 54.194.XX.XXX was found to be using several different EHLO/HELO names during multiple connections on or about:
2015:01:09 ~16:30 UTC+/- 15 minutes (approximately 3 days, 21 hours, 14 minutes ago).
The names seen included: xxx1.xx, xxx2.xx, xxx3.xx, xxx4.xx, xx.xxx5.xx, veniceberg.com..Note that the above list may include one or more names that are not fully qualified DNS names (FQDNs). Host names (ie: Windows node names) without a dot are not FQDNs.
The final possibility is that 54.194.XX.XXX is not a NAT firewall, and is instead a single box with many domains provisioned on it, some that send email directly, setting the HELO as the sending domain. If this is the case, to prevent a relisting we strongly recommend setting the mail software on the box so that a single identifying name is used in outbound SMTP connections mail software on the box so that a single identifying name is used in outbound SMTP connections. As an alternate workaround, you can configure the mail software to relay its outbound email through an intermediate mail server. Even a co-resident mail server package (such as IIS on Windows) will do fine.
This pointed me to this Plesk Mail setting (not sure if this selection is the default). Now we are waiting a few days to see if changing to "Send from domain IP addresses" solves the issue. I think this is a kind of issue which deserves attention by Parallels to avoid other users go trough our fatiguing ordeals. If this setting is responsible for getting servers blacklisted, it should be highly discouraged.
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Mar 20, 2007
I wonder what is good parameter to set for max_user_connection on shared hosting.
I see that some hostings set it to 20 and on some other hostings it is set to to 30 respectively 40?
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Jun 13, 2007
I've had an issue come up recently that I haven't had to deal with before. I'm starting to get regular errors during peak traffic times saying that I have more then the max_user_connections allowed.
I tried setting this to a higher number using ini_set. Unfortunately my host overrides this. I've talked with the host and they cannot up the 15 user maximum.
I've been with this host a while and they have great support and really great service. I understand their need to limit this because it is a shared environment.
I'm wondering if there's anything I can do on my end to help avoid this problem.
Is the only option switching somewhere that lets me have more maximum connections? At the rate I'm going this problem will continue to grow, so it needs to be solved quickly.
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Jun 3, 2007
any problem increasing max_user_connections ? (for example 600)
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Jun 1, 2007
i am having an website like a webdirectory. BUT i am getting this error after every 5-10 mintues :
Warning: mysql_pconnect() [function.mysql-pconnect]: User USERNAME
has already more than 'max_user_connections' active connections in
/FIELPATH on line 93
Database error: pconnect(localhost,bstitne_netclass, $Password)failed.
MySQL Error)
Session halted.
PLEASE suggest how can i solve this. May be it is an server issue
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Apr 29, 2007
Since moving over to a new server, I have had to reboot my sql server about 5 times a day due to it crashing, and I always get the error:
Warning: mysql_connect() [function.mysql-connect]: User food_user has already more than 'max_user_connections' active connections in /home/food/public_html/includes/functions.php on line 9
Not connected : User food_user has already more than 'max_user_connections' active connections
I dont understand what is causing this...I used the tweaking guide as found on here and my.cnf file looks like this:
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
skip-locking
skip-innodb
query_cache_limit=8M
query_cache_size=256M
query_cache_type=1
max_connections=500
max_user_connections=10
interactive_timeout=20
wait_timeout=20
connect_timeout=6
thread_cache_size=128
key_buffer=16M
join_buffer=1M
max_allowed_packet=16M
table_cache=1024
record_buffer=1M
sort_buffer_size=2M
read_buffer_size=2M
max_connect_errors=10
# Try number of CPU's*2 for thread_concurrency
thread_concurrency=4
myisam_sort_buffer_size=64M
#log-bin
server-id=1
[mysql.server]
user=mysql
basedir=/var/lib
[safe_mysqld]
err-log=/var/log/mysqld.log
pid-file=/var/lib/mysql/mysql.pid
open_files_limit=8192
[mysqldump]
quick
max_allowed_packet=16M
[mysql]
no-auto-rehash
#safe-updates
[isamchk]
key_buffer=32M
sort_buffer=32M
read_buffer=16M
write_buffer=16M
[myisamchk]
key_buffer=32M
sort_buffer=32M
read_buffer=16M
write_buffer=16M
Through my WHM, i went to "Show Mysql Processes" and heres what it displays www.brinked.com/mysql.txt
This problem has also occured on another one of my websites on the same server that makes use of mysql. Am I doing something wrong here? I dont think its the script because it ran for years on another server just fine.
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Oct 30, 2008
I am getting the error "max_user_connections exceeded" for database user "xxxx". So every time this happens I have to feed a new database admin login to my script.
There is nothing wrong with the script since it is very popular membership script. I think my host just allows low number of "max_user_connections". please advice me on a host that allows higher number of "max_user_connections"
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Nov 7, 2008
I have purchased a dedicated server because my existing host gives me a database error during high traffic. the error is
Code:
"Cannot connect to MySQL: User admin0506 has already more than 'max_user_connections' active connections"
Now in my dedicated server I have root access and a Plesk control panel with admin access. I have created a database but I don't know how to change the parameter "max_user_connections". Please help me because I am loosing lot of business due to this issue.
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Mar 17, 2008
Is 40 max_user_connections for MySql typical in a Shared Hosting environment? Or are there Shared Hosts out there that allow more than 40 max_user_connections per account?
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