Re: FW: Memory Leaking with NetSNMP V5.5

Mark Brooks <[email protected]>
Newsgroups gmane.network.net-snmp.user
Message-ID <[email protected]>
The patch has removed the problem, Ive run a test for about 12 hours and the
memory usage is now stable.

Thanks

Mark

On 6 May 2010 16:33, Mark Brooks <[email protected]> wrote:

> We may have fixed it, by applying the patch
>
>
> http://sourceforge.net/tracker/index.php?func=detail&aid=2871747&group_id=12694&atid=312694
>
> ill let you know how it goes
>
> Mark
>
>
> On 6 May 2010 16:30, Mike Ayers <[email protected]> wrote:
>
>>
>>        A nice detailed leak report.  Coders, can you please investigate?
>>
>>
>>        Thanks,
>>
>> Mike
>>
>> -----Original Message-----
>> From: Mark Brooks [mailto:[email protected]]
>> Sent: Thursday, May 06, 2010 6:33 AM
>> To: Mike Ayers
>> Cc: [email protected]
>> Subject: Re: Memory Leaking with NetSNMP V5.5
>>
>> Sorry I ment 225 bytes not 255
>>
>>
>> On 6 May 2010 13:59, Mark Brooks <[email protected]> wrote:
>>
>>
>>        Ok we have had a further revelation after much testing we were able
>> to work out that there is one particular OID that is leaking 255 bytes of
>> data each time you run snmpwalk the oid in particular is:
>>
>>  .1.3.6.1.2.1.88.1.4.3.1.3.6.95.115.110.109.112.100.95.109.116.101.84.114.105.103.103.101.114.82.105.115.105.110.103
>>        or its shorter name is
>>
>> DISMAN-EVENT-MIB::mteEventNotificationObjects."_snmpd".'_mteTriggerRising'
>>        the result of which is -
>>
>>  DISMAN-EVENT-MIB::mteEventNotificationObjects."_snmpd".'_mteTriggerRising'
>> = STRING: _triggerFire
>>
>>        we can quite happily run snmpwalk above and below this OID and get
>> consistent memory usage with no sign of a leak.
>>
>>        What we cant quite work out is what function is failing to free the
>> memory after its run.
>>
>>        any help on how to debug this further would be much appreciated.
>>
>>        Mark
>>
>>
>>        On 5 May 2010 16:17, Mark Brooks <[email protected]> wrote:
>>
>>
>>
>>                        Mark
>>
>>
>>
>>
>>
>>                        On 29 April 2010 00:59, Mike Ayers <
>> [email protected]> wrote:
>>
>>
>>                                > From: Mark Brooks [mailto:
>> [email protected]]
>>                                > Sent: Wednesday, April 28, 2010 1:27 PM
>>
>>
>>                                > We are running the 2.6.32.7 kernel with
>> Centos 5.3 and using the LVS
>>                                > SNMP module
>> http://kb.linuxvirtualserver.org/wiki/Net-SNMP-LVS-Module
>>                                > the memory usage increases each time we
>> use snmpwalk to poll the system,
>>                                > and increases with each query until the
>> box crashes. Has anyone else
>>                                > come across this issue. Or could kindly
>> push us in the right direction
>>                                > as where to look next.
>>
>>
>>                                       Run snmpd without the dlmod for the
>> LVS module and try the same test.  If there is no memory leak, then the
>> problem is with with the LVS module, and you'll have to get support from
>> them.  If not, let us know.
>>
>>
>>                                       HTH,
>>
>>                                Mike
>>
>>
>>
>>
>>
>>
>>
>>
>>
>

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