mysqld crashes, stack trace doesn't help

2004-02-29 Thread Claus
oper to make a bug report? - how can we find the problem on the server? there's the option to log every sql statement which might show up the error, but because this would slow down the server immensely we don't want to do this right now. claus -- MySQL General Mailing List For list arc

Cannot connect after upgrading to mysql-4.0.8

2003-01-10 Thread Claus Olesen
vers\etc\hosts. >Submitter-Id: ? >Originator:Claus Olesen >Organization: Transdyn Controls, Inc. >MySQL support: none >Synopsis: Cannot connect after upgrading to mysql-4.0.8 >Severity: serious >Priority: medium >Category: mysql >Class: sw-bug &g

ERROR 2014 - command out of sync, why?

2002-12-03 Thread Claus Reestrup
Database error: cannot use database pollo MySQL Error: 2014 (Commands out of sync; You can't run this command now) Session halted. Why? - Before posting, please check: http://www.mysql.com/manual.php (the manual) ht

Re: Wont use Index when data is not evenly distributed

2002-11-29 Thread Claus Reestrup
Just added more indexes and found a good one. thanx for the advise ! =) /C - Original Message - From: "Claus Reestrup" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, November 29, 2002 2:28 PM Subject: Wont use Index when data is not evenly distributed

Wont use Index when data is not evenly distributed

2002-11-29 Thread Claus Reestrup
to use index. Has anyone of you seen this behavious before? /Claus - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this

DBI: error 12 from table handler , Can't allocate memory, temp tables, WHY?

2002-11-28 Thread Claus Reestrup
Hi. I have a perl script that uses many temporary tables (HEAP mostly) and when running the script many times in parallel some of the script instances fail. The query uses temporary tables and recently I discovered that some of the queries uses filesort (disk access) due to GROUP BY making the res

Fw: Concurrent queries 'wait for each other'

2002-11-26 Thread Claus Reestrup
have a strange definition of "hang". > > Claus Reestrup wrote: > > >Hi! > > > >I have a problem with MySQL that hangs when concurrent queries run. > > > >The symptom is this: > >A) A Perl program that performs several queries using temporary tables t

Concurrent queries 'wait for each other'

2002-11-26 Thread Claus Reestrup
Hi! I have a problem with MySQL that hangs when concurrent queries run. The symptom is this: A) A Perl program that performs several queries using temporary tables takes 8 seconds to run. CPU utilisation around 30% (using the 'top' command) B) Running two instances of the same perl program in p

Table locking questions

2002-08-15 Thread Claus Reestrup
Hi everyone! I'm fairly familiar with the table locking methods in MySQL but I have a problem I can't solve. I have two main tables which are read simultaneously by many clients. The clients only do reads, but they do it very extensively and for 30 secs each. The two main tables needs updates e