Varnish malloc issue

Guillaume Quintard guillaume at varnish-software.com
Tue Sep 6 08:24:23 CEST 2016


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/
>> storage-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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