mysqlbinlog segfaults with host args

2002-12-20 Thread Nicolas MONNET (Tech)
$ mysqlbinlog --host=mysqlserver --table=sometable --database=somedb \
--user=someuser --password=somepassword
Segmentation fault.
$ strace mysqlbinlog --host=mysqlserver --table=sometable \
--database=somedb \ --user=someuser --password=somepassword
(...)
old_mmap(NULL, 1203040, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) =
0x40119000
mprotect(0x40235000, 39776, PROT_NONE)  = 0
old_mmap(0x40235000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x11c000) = 0x40235000
old_mmap(0x4023b000, 15200, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x4023b000
close(3)= 0
mprotect(0x40051000, 49152, PROT_READ|PROT_WRITE) = 0
mprotect(0x40051000, 49152, PROT_READ|PROT_EXEC) = 0
munmap(0x40038000, 99141)   = 0
--- SIGSEGV (Segmentation fault) ---
+++ killed by SIGSEGV +++

This happens with any version I have installed on Linux 2.4.x, either
Suse or Gentoo, gcc 2.95.3 or 3.2.1, MySQL version 3.23.x or 4.0.4 and
4.0.6.

-- 
Nicolas MONNET (Tech) [EMAIL PROTECTED]
Carpe Diem


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RE: What is relay-bin log?

2002-12-16 Thread Nicolas MONNET (Tech)
On Mon, 2002-10-21 at 14:25, Michael Widenius wrote:

 Which log files is it that you want to delete ?
 (Please give an example for this)
 
 If you have a problem that old relay logs are not deleted, try to
 upgrade to MySQL 4.0.4 ;  We recently fixed a bug in this code.

This is still happening with 4.0.5a (Std, with InnoDB).

# grep relay /service/svc-mysql/run 
--relay-log=/mysql/logs/relay \
--relay-log-info-file=/mysql/logs/relay.info \
--relay_log_space_limit=500M \
# ls -al
(...)
-rw-rw1 mysqlmysql541557913 Dec 16 17:04 relay.001
(...)
# mysqladmin processlist
(...)
| 2  | system user | none  |  | Connect | 539|
Waiting for relay log space to free |
(...)
# mysqladmin shutdown
nothing happens
# svc -t /service/svc-mysql
nothing still
# svc -k /service/svc-mysql ; rm relay.*
this works ...
# mysql --version
mysql  Ver 12.16 Distrib 4.0.5a-beta, for pc-linux (i686)
# /usr/local/libexec/mysqld --version
/usr/local/libexec/mysqld  Ver 4.0.5a-beta for pc-linux on i686


-- 
Nicolas MONNET (Tech) [EMAIL PROTECTED]
Carpe Diem


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RE: What is relay-bin log?

2002-12-16 Thread Nicolas MONNET (Tech)
On Mon, 2002-12-16 at 16:20, Nicolas MONNET (Tech) wrote:
(...)

Nevermind. This was due to an error in the replication; but nonetheless,
it is impossible to shutdown mysqld cleanly if it's waiting for relay
logs to be freed.

-- 
Nicolas MONNET (Tech) [EMAIL PROTECTED]
Carpe Diem


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4.0.5: can't disable any logs!

2002-12-11 Thread Nicolas MONNET (Tech)

No matter what I do on the command line for mysqld, or in my.cnf, ALL
logs get activated!

I'm using the Gentoo ebuilds, with mysqld started from an svscan run
script for supervision.

Any ideas? I'm lost here!

-- 
Nicolas MONNET (Tech) [EMAIL PROTECTED]
Carpe Diem


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RE: Serwer Hardware p4 or pIII ?

2002-12-04 Thread Nicolas MONNET (Tech)
On Wed, 2002-12-04 at 15:23, Helmut Apfelholz wrote:
 --- Simon Green [EMAIL PROTECTED] wrote:
  MySQL uses memory and HDD the most and so processor
  speed is not so
  important.
 
 Well, processor speed is also important, on some of
 our servers processors are almost 100% occupied.

If your bottleneck is memory speed, you will see 100% CPU usage even if
the CPU actually spend 99% of its time idle, waiting for data to come
in. 

I'm not too up to date on the latest RAM technology, but I hear there's
several types of DDR, the most expensive one being significantly faster.
Or is it?

Anyone care to share some insight on this?


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Re: Re: 'Persistant' temporary tables

2002-11-18 Thread Nicolas MONNET (Tech)
On Mon, 2002-11-18 at 15:06, [EMAIL PROTECTED] wrote:
 Your message cannot be posted because it appears to be either spam or
 simply off topic to our filter. To bypass the filter you must include
 one of the following words in your message:
 
 sql,query
 
 If you just reply to this message, and include the entire text of it in the
 reply, your reply will go through. However, you should
 first review the text of the message to make sure it has something to do
 with MySQL. Just typing the word MySQL once will be sufficient, for example.
 
 You have written the following:
 
 On Sun, 2002-11-17 at 00:08, Dan wrote:
 
  So I'd like to either keep the connection open across multiple php pages 
  if possible, or just create normal tables and then delete them when I'm 
  done. But the 2nd way would mean I'd have to check for the existance of 
  the table before making it, in case someone else is logged in and 
  already has their own tmp tables... But I don't know how to check for 
  the existance of tables.
  
  How should I go about this?
  
  Thanks in advance!
 
 Here's how I would do it:
 
 CREATE TABLE temptablelist (
   id  INTEGER NOT NULL auto_increment,
   creation DATETIME,
   userVARCHAR(100)
 );
 
 Then name your tables mytemptable_$id, and DROP them in a cron every
 so often if they're more than $some_max_age old. 
 
 HTH
 
 



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Re: MySql uses 98% CPU

2002-11-04 Thread Nicolas MONNET (Tech)
On Mon, 2002-11-04 at 11:58, Dicky Wahyu Purnomo wrote:
 Pada Mon, 4 Nov 2002 11:55:59 +0100
 Toni [EMAIL PROTECTED] menulis:
 
  Hello
  
  I've got mysql 3.23.47 running on a freebsd 4.5 box for long time without
  problems, until now that consumes nearly all available CPU.
  
  Also, I am unable to stop the server using mysqladmin -u root shutdown (the
  process freezes) neither can restart it. If I kill -9 the process it
  restarts and keeps using all my resources.
  
  Aparently there isn't any other active process on the machine.
  
  I have checked at mysql.com but I couldn't find any related information.
  
  ¿Where could this problem come from?
  ¿Any solution?
 
 Check the running queries  show processlist ... or mysqladmin -p processlist ... 
or even better use mytop / mtop
 
 for some condition (high cpu usage), optimize your tables, or mysqlcheck -or -A -p
 
 You should avoid kill -9 (safe_mysqld/mysql) ... it's only for desperate move ... 
:D

We get the same thing on FreeBSD machines quite often, and it's not
related to the actual work being done; MySQL can sit idle but use up all
CPU. It happens after a few days/weeks of uptime.

Switching to Linux fixed it ;) 

The difference with what Dicky describes is that for us the MySQL
servers still works; it just looks like there's a rogue thread running
around doing nothing. 




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Looking for tool to pretty print table structures

2002-10-14 Thread Nicolas MONNET (Tech)

Hi there,

Does any of you know of a utility to pretty print mysql table
structures? I have a pretty big and messy DB I need to work on, and I
would like to be able to print the table structures with nice tables.

Any pointers?




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RE: MySQl db as filesystem.

2002-10-13 Thread Nicolas MONNET (Tech)

On Fri, 2002-10-11 at 17:07, Ed Carp wrote:

  Should'nt be too hard to do thanks to PODFUK® AKA uservfs:
 
 Just goes to show you that Linux is so flexible, any hare-brained idea can be 
implemented in software sigh.  But you didn't answer
 my question - why would you want to do such a thing?  How could it possibly be 
useful?  Adding yet another layer of complexity to
 ext2fs (or ext3fs, which makes even less sense) is insane, unless you're doing it 
just to say you can (same goes for the idiotic
 idea of building an interface into MySQL to produce XML output), or for a *very* 
specialized application.  But, as Jeff Goldblum
 said in the movie Independence Day, (paraphrase) Just because you can doesn't 
mean you should.

A good reason to do it would be for example to be able to use
preexisting file-based tools on the database. 


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RE: MySQl db as filesystem.

2002-10-11 Thread Nicolas MONNET (Tech)

On Fri, 2002-10-11 at 10:06, Ed Carp wrote:

  At 12:58 +0200 10/10/02, Alex Polite wrote:
  Is there any way I could display a MySQL database as a filesystem
  under Linux?
 
  What does that mean?
 
 I think he wants to mount a MySQL database as a filesystem, like CFS with the 
loopback driver.  The answer is almost certainly no -
 why would you want to do such a thing?
 
 sql, query

Should'nt be too hard to do thanks to PODFUK® AKA uservfs:

http://uservfs.sf.net


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