Re: mysqld got signal 11; This could be because you hit a bug ....

2003-02-24 Thread Sinisa Milivojevic
Mariella Di Giacomo writes:
> Hi,
> 
> I would prefer the debug version which the latest I believe is the 4.0.10.
> The same error I get it when I run ALTER TABLES or I try to insert data
> into tables.
> 
> 
> I will try and let you know.
> 
> Thanks,
> 
> Mariella
> 

4.0.11 will be quite soon, but your problems indicate that it is some
system setup error, which would be very fast diagnosed if we would
login to your system.

Regards,

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Re: mysqld got signal 11; This could be because you hit a bug ....

2003-02-24 Thread Mariella Di Giacomo
Hi,

I would prefer the debug version which the latest I believe is the 4.0.10.
The same error I get it when I run ALTER TABLES or I try to insert data
into tables.
I will try and let you know.

Thanks,

Mariella

At 06:31 PM 2/24/03 +0200, you wrote:
Mariella Di Giacomo writes:
> Hi,
>
> I will install the 2.8 debug version.
>
> The reason why I set
> setting sort and record buffers to 1K
> is because with a few tests I have noticed that I was getting a better 
response
> time for queries.
>
> The limit for the core file was unlimited.
>
> I will look into customer support.
>
> Mariella
>

Please also make sure that mysqld is run under mysql user and that all
UNIX permissions are fine.
BTW 4.0.11 is out with some fixes for OPTIMIZE table.

Regards,

--
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Re: mysqld got signal 11; This could be because you hit a bug ....

2003-02-24 Thread Sinisa Milivojevic
Mariella Di Giacomo writes:
> Hi,
> 
> I will install the 2.8 debug version.
> 
> The reason why I set
> setting sort and record buffers to 1K
> is because with a few tests I have noticed that I was getting a better response
> time for queries.
> 
> The limit for the core file was unlimited.
> 
> I will look into customer support.
> 
> Mariella
> 

Please also make sure that mysqld is run under mysql user and that all
UNIX permissions are fine.

BTW 4.0.11 is out with some fixes for OPTIMIZE table.


Regards,

--
For technical support contracts, go to https://order.mysql.com/?ref=msmi
   __  ___ ___   __
  /  |/  /_ __/ __/ __ \/ /Mr. Sinisa Milivojevic <[EMAIL PROTECTED]>
 / /|_/ / // /\ \/ /_/ / /__   MySQL AB, FullTime Developer
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Re: mysqld got signal 11; This could be because you hit a bug ....

2003-02-24 Thread Mariella Di Giacomo
Hi,

I will install the 2.8 debug version.

The reason why I set
setting sort and record buffers to 1K
is because with a few tests I have noticed that I was getting a better response
time for queries.
The limit for the core file was unlimited.

I will look into customer support.

Mariella

At 06:17 PM 2/24/03 +0200, you wrote:
Mariella Di Giacomo writes:
> Hello,
>
> I have followed your suggestion.
> I have installed  mysql-debug-4.0.10-gamma-sun-solaris2.9-sparc-64bit 
on the
> Solaris 8 (Machine with 8 cpus, 32GB of Memory and 64 of swap) server.
> I have started the mysqld program as root
> I have specified the
> core-file
> in the /etc/my.cnf file.
>
> Other info that could be interesting  in the /etc/my.cnf are

HI!

Causes of the crashes could be many, among the others:

* using 2.9 binary on Solaris 2.8 !! Please use 2.8 binary, we have it
* setting sort and record buffers to 1K !! Please set them at 1M
There are many other things that could be improved, but that can be
done when and if you become a registered customer.
>
> I have looked for the core file, but I couldn't find it, even though in 
the
> error
> log it says "Writing a core file".
>
>

Make sure all ulimit values are OK, including the one for core file.

> Does this give you any clue about what is causing the error ?
> Could you help please about the "core file"
> Do I need to specify the option differently ?
>
>
> Thanks in advance for your help,
>
> Mariella
>
Regards,

--
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   __  ___ ___   __
  /  |/  /_ __/ __/ __ \/ /Mr. Sinisa Milivojevic <[EMAIL PROTECTED]>
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Re: mysqld got signal 11; This could be because you hit a bug ....

2003-02-24 Thread Sinisa Milivojevic
Mariella Di Giacomo writes:
> Hello,
> 
> I have followed your suggestion.
> I have installed  mysql-debug-4.0.10-gamma-sun-solaris2.9-sparc-64bit on the
> Solaris 8 (Machine with 8 cpus, 32GB of Memory and 64 of swap) server.
> I have started the mysqld program as root
> I have specified the
> core-file
> in the /etc/my.cnf file.
> 
> Other info that could be interesting  in the /etc/my.cnf are

HI!

Causes of the crashes could be many, among the others:

* using 2.9 binary on Solaris 2.8 !! Please use 2.8 binary, we have it
* setting sort and record buffers to 1K !! Please set them at 1M

There are many other things that could be improved, but that can be
done when and if you become a registered customer.

> 
> I have looked for the core file, but I couldn't find it, even though in the 
> error
> log it says "Writing a core file".
> 
> 

Make sure all ulimit values are OK, including the one for core file.

> Does this give you any clue about what is causing the error ?
> Could you help please about the "core file"
> Do I need to specify the option differently ?
> 
> 
> Thanks in advance for your help,
> 
> Mariella
> 

Regards,

--
For technical support contracts, go to https://order.mysql.com/?ref=msmi
   __  ___ ___   __
  /  |/  /_ __/ __/ __ \/ /Mr. Sinisa Milivojevic <[EMAIL PROTECTED]>
 / /|_/ / // /\ \/ /_/ / /__   MySQL AB, Fulltime Developer
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Re: mysqld got signal 11; This could be because you hit a bug ....

2003-02-24 Thread Mariella Di Giacomo
Hello,

I have followed your suggestion.
I have installed  mysql-debug-4.0.10-gamma-sun-solaris2.9-sparc-64bit on the
Solaris 8 (Machine with 8 cpus, 32GB of Memory and 64 of swap) server.
I have started the mysqld program as root
I have specified the
core-file
in the /etc/my.cnf file.
Other info that could be interesting  in the /etc/my.cnf are

_

set-variable = max_connections=16
set-variable = max_tmp_tables=512
set-variable= table_cache=512
set-variable   = key_buffer=16384M
set-variable= sort_buffer=1K
set-variable= record_buffer=1K
set-variable= thread_cache_size=8
set-variable= thread_cache=512
set-variable= thread_concurrency=12
_

I have started 7 concurrent mysql threads (7 OPTIMIZE TABLE from mysql 
command line)
and after 9 hours I got a segmentation fault
with Error

 ERROR 2013: Lost connection to MySQL server during query
ERROR 2013: Lost connection to MySQL server during query
ERROR 2013: Lost connection to MySQL server during query
ERROR 2013: Lost connection to MySQL server during query
ERROR 2013: Lost connection to MySQL server during query
ERROR 2013: Lost connection to MySQL server during query
ERROR 2013: Lost connection to MySQL server during query
Segmentation Fault
030223 16:11:05  mysqld restarted
I have looked at the mysqld error log file and this is the message


030223 07:03:11  mysqld started
/usr/local/mysql-debug-4.0.10-gamma-sun-solaris2.9-sparc-64bit/bin/mysqld: 
ready for connections.
Version: '4.0.10-gamma-debug-debug-log'  socket: '/tmp/mysql.sock'  port: 3306
mysqld got signal 11;
This could be because you hit a bug. It is also possible that this binary
or one of the libraries it was linked against is corrupt, improperly built,
or misconfigured. This error can also be caused by malfunctioning hardware.
We will try our best to scrape up some info that will hopefully help diagnose
the problem, but since we have already crashed, something is definitely wrong
and this may fail.

key_buffer_size=17179869184
read_buffer_size=8192
sort_buffer_size=32768
max_used_connections=7
max_connections=16
threads_connected=8
It is possible that mysqld could use up to
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_connections = 
16777856 K
bytes of memory
Hope that's ok; if not, decrease some variables in the equation.

Writing a core file
030223 16:11:05  mysqld restarted
__

I have looked for the core file, but I couldn't find it, even though in the 
error
log it says "Writing a core file".

Does this give you any clue about what is causing the error ?
Could you help please about the "core file"
Do I need to specify the option differently ?
Thanks in advance for your help,

Mariella

At 04:34 PM 1/29/03 +0200, Sinisa Milivojevic wrote:
On Tue, 28 Jan 2003 17:12:14 -0700
Mariella Di Giacomo <[EMAIL PROTECTED]> wrote:
> Hello,
>
> I am running mysql server  (mysql-standard-4.0.5-beta-64bit) 64 bit on
> Sun Solaris 2.8 and I have got the binaries form the mysql web site.
> The machine I am using has 32GB of RAM + 64GB of swap.
>
> Thanks in advance for your help,
>
> Mariella
>
Hi!

The reason why MySQL is crashing is not due to the fact that your memory 
is exhausted.

It is possible that you have shell limits that are far below the available 
memory, but in your case
even that is not a problem.

What you should do is get a 4.0.10 debug binary for Solaris 2.8 from our 
site and send us a core
file that is created on the crash.

Also add --core-file to startup options.

--

Regards,

--
For technical support contracts, go to https://order.mysql.com/?ref=msmi
   __  ___ ___   __
  /  |/  /_ __/ __/ __ \/ /Mr. Sinisa Milivojevic <[EMAIL PROTECTED]>
 / /|_/ / // /\ \/ /_/ / /__   MySQL AB, FullTime Developer
/_/  /_/\_, /___/\___\_\___/   Larnaca, Cyprus
   <___/   www.mysql.com


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Re: mysqld got signal 11; This could be because you hit a bug ....

2003-01-29 Thread Mariella Di Giacomo
Hi Mark,

Thanks.
The memory that we are using is ECC.
The reason I have only 16 connections is because that DB is used only
for updates.
In reality for that DB we use 3 or 4 connections maximum.
We have a mirror copy used for customers which has a lot of
connections.

Mariella


At 10:22 AM 1/29/03 +0100, Mark wrote:

- Original Message -
From: "Mariella Di Giacomo" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Wednesday, January 29, 2003 1:12 AM
Subject: mysqld got signal 11; This could be because you hit a bug 


> Hello,
>
> I am running mysql server  (mysql-standard-4.0.5-beta-64bit) 64
> bit on Sun Solaris 2.8 and I have got the binaries form the mysql
> web site. The machine I am using has 32GB of RAM + 64GB of swap.

Hi Mariella,

My, that is a LOT of memory! :) What could you possibly have running that
allows only 16 connections, yet uses up to the max of 96 GigaByte? :) Yikes!
I take it this is high-quality ECC memory? If not, with that much memory, a
seg fault could easily occur. I believe FreeBSD already advises to uses ECC
memory when you have as "little" as 4 G.

I'm sure you got that covered, though; just checking. :)

- Mark



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Re: mysqld got signal 11; This could be because you hit a bug ....

2003-01-29 Thread Sinisa Milivojevic
On Tue, 28 Jan 2003 17:12:14 -0700
Mariella Di Giacomo <[EMAIL PROTECTED]> wrote:

> Hello,
> 
> I am running mysql server  (mysql-standard-4.0.5-beta-64bit) 64 bit on
> Sun Solaris 2.8 and I have got the binaries form the mysql web site.
> The machine I am using has 32GB of RAM + 64GB of swap.
> 
> Thanks in advance for your help,
> 
> Mariella
> 

Hi!

The reason why MySQL is crashing is not due to the fact that your memory is exhausted.

It is possible that you have shell limits that are far below the available memory, but 
in your case 
even that is not a problem.

What you should do is get a 4.0.10 debug binary for Solaris 2.8 from our site and send 
us a core
file that is created on the crash. 

Also add --core-file to startup options.


--

Regards,

--
For technical support contracts, go to https://order.mysql.com/?ref=msmi
   __  ___ ___   __
  /  |/  /_ __/ __/ __ \/ /Mr. Sinisa Milivojevic <[EMAIL PROTECTED]>
 / /|_/ / // /\ \/ /_/ / /__   MySQL AB, FullTime Developer
/_/  /_/\_, /___/\___\_\___/   Larnaca, Cyprus
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Re: mysqld got signal 11; This could be because you hit a bug ....

2003-01-29 Thread Mark
- Original Message -
From: "Mariella Di Giacomo" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Wednesday, January 29, 2003 1:12 AM
Subject: mysqld got signal 11; This could be because you hit a bug 


> Hello,
>
> I am running mysql server  (mysql-standard-4.0.5-beta-64bit) 64
> bit on Sun Solaris 2.8 and I have got the binaries form the mysql
> web site. The machine I am using has 32GB of RAM + 64GB of swap.

Hi Mariella,

My, that is a LOT of memory! :) What could you possibly have running that
allows only 16 connections, yet uses up to the max of 96 GigaByte? :) Yikes!
I take it this is high-quality ECC memory? If not, with that much memory, a
seg fault could easily occur. I believe FreeBSD already advises to uses ECC
memory when you have as "little" as 4 G.

I'm sure you got that covered, though; just checking. :)

- Mark


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