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Thread: memory leak problem in version amavisd-new-2.4.3 (20060930)




memory leak problem in version amavisd-new-2.4.3 (20060930)
country flaguser name
United States
2007-06-26 12:07:17
Hi,

I am currently using amavisd-new-2.3.1. While upgrading to
version 2.4.3 
, I started getting memory problem. I have not changed my
old amavisd 
conf file which I am using with amavisd-new-2.3.1 .

I have also tried to increase the log level of amavis to 5
but not found 
any error in maillog.  Are there any memory related issues
reported for 
this version amavisd-new-2.4.3 (20060930) ?

I am using Red Hat Enterprise Linux ES release 4 (Nahant).
Following is 
the output of top command :
*
1. **Available **Memory  before upgrading amavis*
------------------------------------------------------------
-------------
top - 02:26:41 up 6 days, 15:13,  4 users,  load average:
0.05, 0.16, 0.11
Tasks: 111 total,   1 running, 110 sleeping,   0 stopped,  
0 zombie
Cpu(s):  0.2% us,  0.1% sy,  0.0% ni, 99.8% id,  0.0% wa, 
0.0% hi,  0.0% si
Mem:   2075220k total,  1194740k used,   *880480k free*,   
45140k buffers
Swap:  1048568k total,    64512k used,   984056k free,  
403400k cached
------------------------------------------------------------
-------------

*2. **Available** Memory after **upgrading amavis to 2.4.3
(after 3 hours)*
------------------------------------------------------------
-------------
top - 05:38:55 up 6 days, 18:25,  4 users,  load average:
0.17, 0.05, 0.01
Tasks: 108 total,   1 running, 107 sleeping,   0 stopped,  
0 zombie
Cpu(s):  0.8% us,  0.3% sy,  0.0% ni, 96.6% id,  2.1% wa, 
0.1% hi,  0.1% si
Mem:   2075220k total,  1783916k used,   *291304k free*,   
49876k buffers
Swap:  1048568k total,    64504k used,   984064k free,  
862464k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+ 
COMMAND
30679 amavis    16   0 86492  74m 4948 S  0.0  3.7   0:16.58
amavisd
30682 amavis    16   0 62076  51m 4948 S  3.0  2.5   0:16.00
amavisd
30685 amavis    16   0 60760  49m 4944 S  0.0  2.5   0:07.40
amavisd
 3276 root      16   0  509m  48m  15m S  0.0  2.4  43:59.04
ns-slapd
30678 amavis    16   0 54208  43m 4952 S  0.0  2.1   0:10.68
amavisd
30686 amavis    16   0 52700  41m 4944 S  0.0  2.1   0:03.15
amavisd
30687 amavis    16   0 52452  41m 4948 S  0.0  2.1   0:03.89
amavisd
30684 amavis    16   0 52396  41m 4944 S  0.0  2.0   0:02.75
amavisd
30645 amavis    16   0 50912  39m 4816 S  0.0  2.0   0:00.38
amavisd
30680 amavis    16   0 50912  39m 4816 S  0.0  2.0   0:00.00
amavisd
30681 amavis    16   0 50912  39m 4816 S  0.0  2.0   0:00.00
amavisd
30683 amavis    16   0 50912  39m 4816 S  0.0  2.0   0:00.00
amavisd


Thanks,
Prashant Dabre





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Re: memory leak problem in version amavisd-new-2.4.3 (20060930)
country flaguser name
Slovenia
2007-06-26 13:19:29
Prashant Dabre,

> I am currently using amavisd-new-2.3.1. While upgrading
to version 2.4.3

Why would one want to 'upgrade' to a nine months old
version?

> I have not changed my old amavisd conf file which I am
using
> with amavisd-new-2.3.1 . 

Ok.

> I started getting memory problem. I have also tried to
increase
> the log level of amavis to 5 but not found any error in
maillog.

> Are there any memory related issues reported for 
> this version amavisd-new-2.4.3 (20060930) ?

Not that I would know.

> I am using Red Hat Enterprise Linux ES release 4
(Nahant). Following is
> the output of top command :

This doesn't tell much. The output of ps would be more
informative.

>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM   
TIME+  COMMAND
> 30679 amavis    16   0 86492  74m 4948 S  0.0  3.7  
0:16.58 amavisd

Ok, and what was the VIRT/RES/SHR with previous version?
50-90 MB of virtual memory per process looks pretty much
normal.
Have you kept the number of child processes the same?

  Mark

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