Varnish malloc issue

sujith pv sujithnss at gmail.com
Tue Sep 6 08:31:47 CEST 2016


Thanks Guillaume. May be Im asking a very basic question , but still how
this short lived objects are created and I'm not giving any settings for
the same as well.

On Tue, Sep 6, 2016 at 11:54 AM, Guillaume Quintard <
guillaume at varnish-software.com> wrote:

> https://www.varnish-cache.org/docs/4.1/reference/varnishd.html#shortlived
>
> On Sep 6, 2016 08:07, "sujith pv" <sujithnss at gmail.com> wrote:
>
>> Thanks Guillaume. I will try the transient settings first and verify the
>> same. Also could you please elaborate on the short lived objects.
>>
>> Best Regards
>> Sujith P V
>>
>> On Fri, Sep 2, 2016 at 11:24 AM, Guillaume Quintard <
>> guillaume at varnish-software.com> wrote:
>>
>>> Hi Viktor,
>>>
>>> Have a look here https://www.varnish-cache.org/docs/trunk/users-guide/st
>>> orage-backends.html#transient-storage
>>>
>>> Sujith, please try to use a packaged version from your distribution.
>>>
>>> --
>>> Guillaume Quintard
>>>
>>> On Fri, Sep 2, 2016 at 1:18 AM, Viktor Villafuerte <
>>> viktor.villafuerte at optusnet.com.au> wrote:
>>>
>>>> Hi Guillaume,
>>>>
>>>> On Thu 01 Sep 2016 09:53:22, Guillaume Quintard wrote:
>>>> > Is that virtual or real memory?
>>>> > Try to cap your Transient storage to 1GB, you may be overloaded with
>>>> short
>>>> > lived objects.
>>>>
>>>> Could you elaborate on this bit more? I've got very similar problem
>>>> here. Eg: Total memory 384g
>>>>
>>>> VIRT: 487g
>>>> RES:  311g
>>>>
>>>> free says: 46g free
>>>>
>>>> but SWAP is 91.3% used :(
>>>>
>>>>
>>>> How can this be?
>>>>
>>>>
>>>> thanks
>>>>
>>>> v
>>>>
>>>>
>>>> >
>>>> > On Sep 1, 2016 9:40 AM, "sujith pv" <sujithnss at gmail.com> wrote:
>>>> >
>>>> > > Hi All
>>>> > >
>>>> > > I had already mailed this query long back but this time putting in a
>>>> > > different manner.
>>>> > >
>>>> > >
>>>> > >    - We are using Varnish 4.0 in our end. We have a machine with
>>>> memory
>>>> > >    of 16G with 8G being malloc for Varnish. We have a TTL for 2 hrs
>>>> as well.
>>>> > >    - During our peak traffic, when we see the total memory of the
>>>> machine
>>>> > >    reaching 90% and like varnishd process is taking some 89% .
>>>> > >    - So I'm just confused even though we had allocated just 8G
>>>> malloc
>>>> > >    which is like 50% of the total memory, how the process is eating
>>>> up 89% of
>>>> > >    memory and the memory is not releasing even after TTL.
>>>> > >
>>>> > >
>>>> > > Any help please...
>>>> > >
>>>> > > Best Regards
>>>> > > Sujith P V
>>>> > >
>>>> > > _______________________________________________
>>>> > > varnish-misc mailing list
>>>> > > varnish-misc at varnish-cache.org
>>>> > > https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
>>>> > >
>>>>
>>>> > _______________________________________________
>>>> > varnish-misc mailing list
>>>> > varnish-misc at varnish-cache.org
>>>> > https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
>>>>
>>>>
>>>> --
>>>> Regards
>>>>
>>>> Viktor Villafuerte
>>>> Optus Internet Engineering
>>>> t: +61 2 80825265
>>>>
>>>
>>>
>>
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