Re: bad too many connections error (os x)
Michael Winston [EMAIL PROTECTED] wrote: Okay, so the first thing to try is obviously enlarge the max_connections. Have you tried this? Yes. It's set to 400 (a number we will never reach unless there's some sort of logjam). max_connect_errors is set to 200. Is it a webserver backend database? Yes. PHP-generated pages. pconnect? Apache limits? -- For technical support contracts, goto https://order.mysql.com/?ref=ensita This email is sponsored by Ensita.net http://www.ensita.net/ __ ___ ___ __ / |/ /_ __/ __/ __ \/ /Egor Egorov / /|_/ / // /\ \/ /_/ / /__ [EMAIL PROTECTED] /_/ /_/\_, /___/\___\_\___/ MySQL AB / Ensita.net ___/ www.mysql.com -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: bad too many connections error (os x)
Michael Winston [EMAIL PROTECTED] wrote: Okay, so the first thing to try is obviously enlarge the max_connections. Have you tried this? Is it a webserver backend database? -- For technical support contracts, goto https://order.mysql.com/?ref=ensita This email is sponsored by Ensita.net http://www.ensita.net/ __ ___ ___ __ / |/ /_ __/ __/ __ \/ /Egor Egorov / /|_/ / // /\ \/ /_/ / /__ [EMAIL PROTECTED] /_/ /_/\_, /___/\___\_\___/ MySQL AB / Ensita.net ___/ www.mysql.com -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: bad too many connections error (os x)
On Sep 2, 2004, at 6:04 AM, Egor Egorov wrote: Michael Winston [EMAIL PROTECTED] wrote: Okay, so the first thing to try is obviously enlarge the max_connections. Have you tried this? Yes. It's set to 400 (a number we will never reach unless there's some sort of logjam). max_connect_errors is set to 200. Is it a webserver backend database? Yes. PHP-generated pages. Thanks, Michael -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
bad too many connections error (os x)
Hi- We've been running into a pretty serious problem for the past several versions of mysql 4.0 running on OS X (both client and server). Every once in a while we wake up to find the too many connections error coming up. There really aren't too many connections (we have our max set to 99) - it's the type of message that appears when a wrong password is used too many times (and I'm 100% sure this isn't happening). Now, the problem is that once this message starts appearing we can't even connect with mysqladmin as root. That extra connection that mysql promises doesn't exist. The only way we can shut down mysql is to perform a 'kill -9' (then restart the server and repair all the tables). And we can't reproduce this problem at will. This is driving us nuts. Before I report this as a bug I wanted to know if anyone else has seen something like this or has any suggestions of how to narrow down the problem. Thanks! Michael -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
RE: bad too many connections error (os x)
Is it a too many connections or Host blocked because of many connection erros? If it is the later you have reached max_connect_errors and need to issue flush-hosts. -Original Message- From: Michael Winston To: [EMAIL PROTECTED] Sent: 9/1/04 11:02 AM Subject: bad too many connections error (os x) Hi- We've been running into a pretty serious problem for the past several versions of mysql 4.0 running on OS X (both client and server). Every once in a while we wake up to find the too many connections error coming up. There really aren't too many connections (we have our max set to 99) - it's the type of message that appears when a wrong password is used too many times (and I'm 100% sure this isn't happening). Now, the problem is that once this message starts appearing we can't even connect with mysqladmin as root. That extra connection that mysql promises doesn't exist. The only way we can shut down mysql is to perform a 'kill -9' (then restart the server and repair all the tables). And we can't reproduce this problem at will. This is driving us nuts. Before I report this as a bug I wanted to know if anyone else has seen something like this or has any suggestions of how to narrow down the problem. Thanks! Michael -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED] -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: bad too many connections error (os x)
Michael Winston wrote: Hi- We've been running into a pretty serious problem for the past several versions of mysql 4.0 running on OS X (both client and server). Every once in a while we wake up to find the too many connections error coming up. There really aren't too many connections (we have our max set to 99) - it's the type of message that appears when a wrong password is used too many times (and I'm 100% sure this isn't happening). Now, the problem is that once this message starts appearing we can't even connect with mysqladmin as root. That extra connection that mysql promises doesn't exist. The only way we can shut down mysql is to perform a 'kill -9' (then restart the server and repair all the tables). And we can't reproduce this problem at will. This is driving us nuts. Before I report this as a bug I wanted to know if anyone else has seen something like this or has any suggestions of how to narrow down the problem. Thanks! Michael We've run into this problem ourselves, also using 4.0 but on a 64bit AIX. The problem we found was that some queries were firing off threads which never ended. These threads blocked other threads, which blocked other threads... A logjam resulted with all connections ended up being used by the offending threads. The fix was to *ahem* fix our queries so they'd close their database connections once they were complete. You may wish to do a code inspection and verify that every open connection has a matching close. Best of luck, --V -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: bad too many connections error (os x)
I think that there is an error in your code. I have had this problem with a small application I wrote: The problem arises when you don't send the quit command to mysql before dropping tcp. You must send a quit command in every case (if you opened a socket). I can not be more precise because i don't know what labguage you use (C, php, ...). There is a command to reenable connection; if my memory is good: mysqladmin -flush-hosts or something (see mysqladmin reference or help). Santino At 9:02 -0700 1-09-2004, Michael Winston wrote: Hi- We've been running into a pretty serious problem for the past several versions of mysql 4.0 running on OS X (both client and server). Every once in a while we wake up to find the too many connections error coming up. There really aren't too many connections (we have our max set to 99) - it's the type of message that appears when a wrong password is used too many times (and I'm 100% sure this isn't happening). Now, the problem is that once this message starts appearing we can't even connect with mysqladmin as root. That extra connection that mysql promises doesn't exist. The only way we can shut down mysql is to perform a 'kill -9' (then restart the server and repair all the tables). And we can't reproduce this problem at will. This is driving us nuts. Before I report this as a bug I wanted to know if anyone else has seen something like this or has any suggestions of how to narrow down the problem. Thanks! Michael -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED] -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: bad too many connections error (os x)
On Sep 1, 2004, at 9:10 AM, V. M. Brasseur wrote: Michael Winston wrote: Hi- We've been running into a pretty serious problem for the past several versions of mysql 4.0 running on OS X (both client and server). Every once in a while we wake up to find the too many connections error coming up. There really aren't too many connections (we have our max set to 99) - it's the type of message that appears when a wrong password is used too many times (and I'm 100% sure this isn't happening). Now, the problem is that once this message starts appearing we can't even connect with mysqladmin as root. That extra connection that mysql promises doesn't exist. The only way we can shut down mysql is to perform a 'kill -9' (then restart the server and repair all the tables). And we can't reproduce this problem at will. This is driving us nuts. Before I report this as a bug I wanted to know if anyone else has seen something like this or has any suggestions of how to narrow down the problem. Thanks! Michael We've run into this problem ourselves, also using 4.0 but on a 64bit AIX. The problem we found was that some queries were firing off threads which never ended. These threads blocked other threads, which blocked other threads... A logjam resulted with all connections ended up being used by the offending threads. The fix was to *ahem* fix our queries so they'd close their database connections once they were complete. You may wish to do a code inspection and verify that every open connection has a matching close. Hmmm. All of our connections are coming from php-generated web pages. PHP automatically closes the connection at the end of the script. Unless I completely misunderstand how this stuff works. Plus, this problem only happens once every few weeks. If some of our queries are causing this, I would expect the problem to occur more often. I'll look into this, though. Thanks, Michael -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: bad too many connections error (os x)
Michael Winston wrote: On Sep 1, 2004, at 9:10 AM, V. M. Brasseur wrote: Michael Winston wrote: Hi- We've been running into a pretty serious problem for the past several versions of mysql 4.0 running on OS X (both client and server). Every once in a while we wake up to find the too many connections error coming up. There really aren't too many connections (we have our max set to 99) - it's the type of message that appears when a wrong password is used too many times (and I'm 100% sure this isn't happening). Now, the problem is that once this message starts appearing we can't even connect with mysqladmin as root. That extra connection that mysql promises doesn't exist. The only way we can shut down mysql is to perform a 'kill -9' (then restart the server and repair all the tables). And we can't reproduce this problem at will. This is driving us nuts. Before I report this as a bug I wanted to know if anyone else has seen something like this or has any suggestions of how to narrow down the problem. Thanks! Michael We've run into this problem ourselves, also using 4.0 but on a 64bit AIX. The problem we found was that some queries were firing off threads which never ended. These threads blocked other threads, which blocked other threads... A logjam resulted with all connections ended up being used by the offending threads. The fix was to *ahem* fix our queries so they'd close their database connections once they were complete. You may wish to do a code inspection and verify that every open connection has a matching close. Hmmm. All of our connections are coming from php-generated web pages. PHP automatically closes the connection at the end of the script. Unless I completely misunderstand how this stuff works. Plus, this problem only happens once every few weeks. If some of our queries are causing this, I would expect the problem to occur more often. I'll look into this, though. Thanks, Michael You'll also find this problem if you have some badly-optimised queries, or writes that take a long time to run on a frequently-accessed table. For example, if you have a table that frequently accessed and run a slow update on it, any thread trying to read from that table will block. If you get more selects happening to that table coming in while it's still locked, your number of connections in use will shoot upwards rapidly until the slow update finishes and the table is unlocked. Have a look in your slow query log (or turn it on if it's not enabled) to look for any queries like this. Regards, -- Alex -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
RE: bad too many connections error (os x)
Not if the host that is blocked is `localhost`. -Original Message- From: Michael Winston To: Victor Pendleton Cc: '[EMAIL PROTECTED] ' Sent: 9/1/04 11:24 AM Subject: Re: bad too many connections error (os x) This would make sense since they all the connections are coming from the same website. But if this is true, then why can't we connect using 'mysqladmin -uroot'? Shouldn't that work from any host? Thanks, Michael On Sep 1, 2004, at 9:08 AM, Victor Pendleton wrote: Is it a too many connections or Host blocked because of many connection erros? If it is the later you have reached max_connect_errors and need to issue flush-hosts. -Original Message- From: Michael Winston To: [EMAIL PROTECTED] Sent: 9/1/04 11:02 AM Subject: bad too many connections error (os x) Hi- We've been running into a pretty serious problem for the past several versions of mysql 4.0 running on OS X (both client and server). Every once in a while we wake up to find the too many connections error coming up. There really aren't too many connections (we have our max set to 99) - it's the type of message that appears when a wrong password is used too many times (and I'm 100% sure this isn't happening). Now, the problem is that once this message starts appearing we can't even connect with mysqladmin as root. That extra connection that mysql promises doesn't exist. The only way we can shut down mysql is to perform a 'kill -9' (then restart the server and repair all the tables). And we can't reproduce this problem at will. This is driving us nuts. Before I report this as a bug I wanted to know if anyone else has seen something like this or has any suggestions of how to narrow down the problem. Thanks! Michael -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED] -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: bad too many connections error (os x)
This would make sense since they all the connections are coming from the same website. But if this is true, then why can't we connect using 'mysqladmin -uroot'? Shouldn't that work from any host? Thanks, Michael On Sep 1, 2004, at 9:08 AM, Victor Pendleton wrote: Is it a too many connections or Host blocked because of many connection erros? If it is the later you have reached max_connect_errors and need to issue flush-hosts. -Original Message- From: Michael Winston To: [EMAIL PROTECTED] Sent: 9/1/04 11:02 AM Subject: bad too many connections error (os x) Hi- We've been running into a pretty serious problem for the past several versions of mysql 4.0 running on OS X (both client and server). Every once in a while we wake up to find the too many connections error coming up. There really aren't too many connections (we have our max set to 99) - it's the type of message that appears when a wrong password is used too many times (and I'm 100% sure this isn't happening). Now, the problem is that once this message starts appearing we can't even connect with mysqladmin as root. That extra connection that mysql promises doesn't exist. The only way we can shut down mysql is to perform a 'kill -9' (then restart the server and repair all the tables). And we can't reproduce this problem at will. This is driving us nuts. Before I report this as a bug I wanted to know if anyone else has seen something like this or has any suggestions of how to narrow down the problem. Thanks! Michael -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED] -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: bad too many connections error (os x)
This also may caused by the TTL of the http socket and the launched zombie forks by the http/php server ( the FIN_WAIT_2 problem!!). Thats what it happend to me . I dunno who waited for who, and became zombie, was it MySQL waiting for timeout or was socket wating to timeout. You can test this easily. Simultaneously issue same instance of the service in question from same network and watch the netstat and top -t. -- Aftab Jahan Subedar CEO/Software Engineer Subedar Technologies Subedar Baag Bibir Bagicha #1 North Jatrabari Dhaka 1204 Bangladesh tel://+88027519050 EMail://[EMAIL PROTECTED] - Directly to my notebook Alex Greg wrote: Michael Winston wrote: On Sep 1, 2004, at 9:10 AM, V. M. Brasseur wrote: Michael Winston wrote: Hi- We've been running into a pretty serious problem for the past several versions of mysql 4.0 running on OS X (both client and server). Every once in a while we wake up to find the too many connections error coming up. There really aren't too many connections (we have our max set to 99) - it's the type of message that appears when a wrong password is used too many times (and I'm 100% sure this isn't happening). Now, the problem is that once this message starts appearing we can't even connect with mysqladmin as root. That extra connection that mysql promises doesn't exist. The only way we can shut down mysql is to perform a 'kill -9' (then restart the server and repair all the tables). And we can't reproduce this problem at will. This is driving us nuts. Before I report this as a bug I wanted to know if anyone else has seen something like this or has any suggestions of how to narrow down the problem. Thanks! Michael We've run into this problem ourselves, also using 4.0 but on a 64bit AIX. The problem we found was that some queries were firing off threads which never ended. These threads blocked other threads, which blocked other threads... A logjam resulted with all connections ended up being used by the offending threads. The fix was to *ahem* fix our queries so they'd close their database connections once they were complete. You may wish to do a code inspection and verify that every open connection has a matching close. Hmmm. All of our connections are coming from php-generated web pages. PHP automatically closes the connection at the end of the script. Unless I completely misunderstand how this stuff works. Plus, this problem only happens once every few weeks. If some of our queries are causing this, I would expect the problem to occur more often. I'll look into this, though. Thanks, Michael You'll also find this problem if you have some badly-optimised queries, or writes that take a long time to run on a frequently-accessed table. For example, if you have a table that frequently accessed and run a slow update on it, any thread trying to read from that table will block. If you get more selects happening to that table coming in while it's still locked, your number of connections in use will shoot upwards rapidly until the slow update finishes and the table is unlocked. Have a look in your slow query log (or turn it on if it's not enabled) to look for any queries like this. Regards, -- Alex -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Help! Too many connections error
I started getting an error: #1049: Too many connections Around 10 hours ago, and I don't know what it means. My admin is sort of a go between with the host provider, so I need to give him as much information as possible to get the problem fixed. I haven't made any changes to the site, although I was testing some optimized SQL statements using LEFT JOIN with phpMyAdmin prior to the error occurring. Thanks for any help you might provide. -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
RE: [Mysql-discussions] Help! Too many connections error
probably you had over 100 connections to you SQL db, on tcp level. the default max is 100 connections, perhaps you can increase it a little --max-connections=200 for example (in your startup config) hope it helps you. cheers -- Kind regards, Remko Lodder Elvandar.org/DSINet.org www.mostly-harmless.nl Dutch community for helping newcomers on the hackerscene -Oorspronkelijk bericht- Van: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Mark Verzonden: zondag 8 februari 2004 19:12 Aan: MySQL List Onderwerp: [Mysql-discussions] Help! Too many connections error I started getting an error: #1049: Too many connections Around 10 hours ago, and I don't know what it means. My admin is sort of a go between with the host provider, so I need to give him as much information as possible to get the problem fixed. I haven't made any changes to the site, although I was testing some optimized SQL statements using LEFT JOIN with phpMyAdmin prior to the error occurring. Thanks for any help you might provide. -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED] ___ Mysql-discussions mailing list [EMAIL PROTECTED] http://lists.elvandar.org/mailman/listinfo/mysql-discussions -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Too Many Connections error
Mysql in a shared environment is prone to punish all clients with too many connections errors if one client is hyperactive. There seems to be no way to deal with this within the standard framework. This could be dealt with by adding max_connections_per_ip and max_connections_per_user to protect against deliberate or accidental denial of service by slurping all the available connections. - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
Re: Too Many Connections error
I agree with you, sometimes my server experiences some DoS and because MySQL cannot handle all that connections, the load goes really high and we can't do anything :( - Original Message - From: Dave Dyer [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Wednesday, January 16, 2002 11:17 PM Subject: Too Many Connections error Mysql in a shared environment is prone to punish all clients with too many connections errors if one client is hyperactive. There seems to be no way to deal with this within the standard framework. This could be dealt with by adding max_connections_per_ip and max_connections_per_user to protect against deliberate or accidental denial of service by slurping all the available connections. - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
RE: Too Many Connections error
Won't this handle half of your issues? http://www.mysql.com/doc/S/e/Security.html If you want to restrict the number of connections for a single user, you can do this by setting the max_user_connections variable in mysqld. nickg -Original Message- From: Dave Dyer [mailto:[EMAIL PROTECTED]] Sent: Wednesday, January 16, 2002 4:18 PM To: [EMAIL PROTECTED] Subject: Too Many Connections error Mysql in a shared environment is prone to punish all clients with too many connections errors if one client is hyperactive. There seems to be no way to deal with this within the standard framework. This could be dealt with by adding max_connections_per_ip and max_connections_per_user to protect against deliberate or accidental denial of service by slurping all the available connections. - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
Too Many Connections error
I'm having a problem, which has occured before, in which I keep getting "Too Many Connections" Errors in my logs on the web server for MySQL. I am using Apache::DBI to connect. I fixed the problem before by just increasing the max_connections. Unfortunately, I am at the max amount of max_connections (the MySQL docs say that in order to increase it, you have to compile it in with the code, which I would rather not do.), and I cannot add any more. If I switch to just regular DBI, will that solve my problem, or what else could be causing this problem to occur? I've got my boss breathing down my neck, and I'm unsure what answer to give him. -Jesse Stay - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
Re: Too Many Connections error
On Wed, 18 Apr 2001, Jesse E. Stay II wrote: I'm having a problem, which has occured before, in which I keep getting "Too Many Connections" Errors in my logs on the web server for MySQL. I am using Apache::DBI to connect. I fixed the problem before by just increasing the max_connections. Unfortunately, I am at the max amount of max_connections (the MySQL docs say that in order to increase it, you have to compile it in with the code, which I would rather not do.), and I cannot add any more. If I switch to just regular DBI, will that solve my problem, or what else could be causing this problem to occur? I've got my boss breathing down my neck, and I'm unsure what answer to give him. Here's some random thoughts: If you have more Apache processes running than you have maximum connections (I think the hard maximum is around 1000), then you will run out of connections. One thing you could try is setting "MaxClients" in httpd.conf to your max_connections. This will prevent Apache from spawning too many processes, but may cause people viewing your website to have to wait longer. If you use the normal DBI instead of Apache::DBI, then connections will be non-persistent and you'll have more to go around, at the cost of slightly slower website response time. There might be a problem somewhere that is causing your system to use up more MySQL connections than it should. 1000 is a lot of connections, and it shouldn't use that many unless your website is very heavily loaded. (I had a website that got 3 million page views a month and it fit in 40 simultaneous connections, but it was all static files so queries could be served quickly.) -Philip Mak ([EMAIL PROTECTED]) - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
Re: Too Many Connections error
Hi everybody!! I've got a pb during the installation of the binary of mysql-3.22.32 (the same for 3.23.36 version): there is no mysql/var directory, so when i write: chown -R mysql /usr/local/mysql/var that doesn't work. And it's exactly the same for mysql/bin. So PLEASE!!! if someone can help me Thanks in advance Phelles - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
RE: Too Many Connections error
That's weird - my Server will only let me have 210 connections if I set max_connections to 300, it sets at 210. If I set it to 500, it still stays at 210. Any ideas on how to increase this? -Original Message- From: Philip Mak [mailto:[EMAIL PROTECTED]] Sent: Wednesday, April 18, 2001 3:30 PM To: Jesse E. Stay II Cc: [EMAIL PROTECTED] Subject: Re: "Too Many Connections" error On Wed, 18 Apr 2001, Jesse E. Stay II wrote: I'm having a problem, which has occured before, in which I keep getting "Too Many Connections" Errors in my logs on the web server for MySQL. I am using Apache::DBI to connect. I fixed the problem before by just increasing the max_connections. Unfortunately, I am at the max amount of max_connections (the MySQL docs say that in order to increase it, you have to compile it in with the code, which I would rather not do.), and I cannot add any more. If I switch to just regular DBI, will that solve my problem, or what else could be causing this problem to occur? I've got my boss breathing down my neck, and I'm unsure what answer to give him. Here's some random thoughts: If you have more Apache processes running than you have maximum connections (I think the hard maximum is around 1000), then you will run out of connections. One thing you could try is setting "MaxClients" in httpd.conf to your max_connections. This will prevent Apache from spawning too many processes, but may cause people viewing your website to have to wait longer. If you use the normal DBI instead of Apache::DBI, then connections will be non-persistent and you'll have more to go around, at the cost of slightly slower website response time. There might be a problem somewhere that is causing your system to use up more MySQL connections than it should. 1000 is a lot of connections, and it shouldn't use that many unless your website is very heavily loaded. (I had a website that got 3 million page views a month and it fit in 40 simultaneous connections, but it was all static files so queries could be served quickly.) -Philip Mak ([EMAIL PROTECTED]) - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
