I have increased innodb buffer pull size to 1G (50% of my 2G ram) What do you suggest (size) for innodb_data_file_path I'm note sure about this variable usage in mysql performance. Thanks.
On Mon, 28 Feb 2005 11:47:27 +0200, Heikki Tuuri <[EMAIL PROTECTED]> wrote: > Max, > > ----- Original Message ----- > From: "Deluxe Web" <[EMAIL PROTECTED]> > Newsgroups: mailing.database.myodbc > Sent: Monday, February 28, 2005 11:44 AM > Subject: Re: Mysql tuning - server Crash 1 > > > Hi > > I understand.. I should switch to debian :) > > but in the meantime what about the innodb buffer pull size > > Have you seen my variables. I had 8M? > > Can this be the bottle neck? > > yes it may be. Please see: > > http://dev.mysql.com/doc/mysql/en/innodb-configuration.html > > --Heikki > > > On Mon, 28 Feb 2005 11:34:31 +0200, Heikki Tuuri > > <[EMAIL PROTECTED]> wrote: > >> Max, > >> > >> maybe the 640 connection piled up because mysqld was hung? > >> > >> It is not very likely that all those threads would have taken > 3 MB of > >> memory. Usually they take much less. > >> > >> The best advice is to upgrade to a recent 4.0.xx or 4.1.xx version of > >> MySQL, > >> which may print more info in a hang. > >> > >> An upgrade to a more recent Fedora Core might also help. > >> > >> Best regards, > >> > >> Heikki Tuuri > >> Innobase Oy > >> Foreign keys, transactions, and row level locking for MySQL > >> InnoDB Hot Backup - a hot backup tool for InnoDB which also backs up > >> MyISAM > >> tables > >> http://www.innodb.com/order.php > >> > >> ----- Original Message ----- > >> From: "Deluxe Web" <[EMAIL PROTECTED]> > >> Newsgroups: mailing.database.myodbc > >> Sent: Monday, February 28, 2005 9:13 AM > >> Subject: Re: Mysql tuning - server Crash 1 > >> > >> > In my .err. file I have > >> > ---------------- > >> > key_buffer_size=8388600 > >> > read_buffer_size=131072 > >> > max_used_connections=652 > >> > max_connections=1000 > >> > threads_connected=640 > >> > It is possible that mysqld could use up to > >> > key_buffer_size + (read_buffer_size + > >> > sort_buffer_size)*max_connections = 2184184 K > >> > bytes of memory > >> > Hope that's ok; if not, decrease some variables in the equation. > >> > --------------- > >> > > >> > With my 2GB RAM I think I reached the maximum. Shall I consider linux > >> > swap memory, which is of 2GB? Please advise. > >> > Can you help me undertand if an increase of RAM will fix the problem. > >> > > >> > On Sun, 27 Feb 2005 18:00:29 -0600, Donny Simonton > >> > <[EMAIL PROTECTED]> wrote: > >> >> Heikki, > >> >> I sent this to a few friends of mine who work on fedora quite a bit. > >> >> > >> >> > As a general note, Fedora Cores are not considered stable. > >> >> > >> >> None of them wanted to officially comment, but just asked that you > >> >> show > >> >> proof. Especially since most of RH4 is Fedora. > >> >> > >> >> I know I've used FC1, FC2, and FC3. And on fc2 and fc3 the 32 and 64 > >> >> bit > >> >> versions. And besides certain ide problems which I would never use on > >> >> a > >> >> mysql server anyway, we've never had any problems with fedora at all. > >> >> > >> >> They wanted me to send you some of the benchmarks comparing Fedora, > >> >> Suse, > >> >> and some of the other distros using mysql. But the site they sent me > >> >> which > >> >> shows fedora beating all of them is currently down. > >> >> > >> >> Oh well. > >> >> > >> >> Donny > >> >> > >> >> > -----Original Message----- > >> >> > From: Heikki Tuuri [mailto:[EMAIL PROTECTED] > >> >> > Sent: Sunday, February 27, 2005 2:58 PM > >> >> > To: mysql@lists.mysql.com > >> >> > Subject: Re: Mysql tuning - server Crash 1 > >> >> > > >> >> > Max, > >> >> > > >> >> > ----- Original Message ----- > >> >> > From: "Deluxe Web" <[EMAIL PROTECTED]> > >> >> > Newsgroups: mailing.database.myodbc > >> >> > Sent: Sunday, February 27, 2005 2:17 PM > >> >> > Subject: Re: Mysql tuning - server Crash 1 > >> >> > > >> >> > > >> >> > > Hi Heikki, > >> >> > > > >> >> > > http://lists.mysql.com/mysql/180583 > >> >> > > http://lists.mysql.com/mysql/180581 > >> >> > > > >> >> > > Running fedora core1 > >> >> > > Mysql: 4.0.16-Max-log > >> >> > > > >> >> > > If you check http://lists.mysql.com/mysql/180583 (.err) you will > >> >> > > see > >> >> > > errors. > >> >> > > >> >> > does that contain ALL relevant info? > >> >> > > >> >> > > Let me know if you have any questions. > >> >> > > >> >> > You should upgrade to 4.1.10. We might get better error diagnostics > >> >> > then. > >> >> > > >> >> > As a general note, Fedora Cores are not considered stable. > >> >> > > >> >> > > Thank you. > >> >> > > I appreciate your help!! > >> >> > > > >> >> > > Max > >> >> > > >> >> > Best regards, > >> >> > > >> >> > Heikki Tuuri > >> >> > Innobase Oy > >> >> > Foreign keys, transactions, and row level locking for MySQL > >> >> > InnoDB Hot Backup - a hot backup tool for InnoDB which also backs up > >> >> > MyISAM > >> >> > tables > >> >> > http://www.innodb.com/order.php > >> >> > > >> >> > > >> >> > -- > >> >> > 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] > >> >> > >> >> > >> > > >> > > >> > -- > >> > > >> > Deluxe Web > >> > [EMAIL PROTECTED] > >> > > >> > -- > >> > 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] > >> > >> > > > > > > -- > > > > Deluxe Web > > [EMAIL PROTECTED] > > > > -- > > 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] > > -- Deluxe Web [EMAIL PROTECTED] -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
