[Freeswitch-users] TCMalloc and freeswitch

[Brian West]

Where are you running on where malloc and calloc were locking up a thread
and killing the CPU?

On Wed, Feb 25, 2015 at 2:49 PM, Ali Pey <alipey at gmail.com> wrote:

> We haven't measured the effect in Production yet, but in the lab, it made
> a big difference.
>
> The main problem that tcmalloc fixed for us was the threads locking on
> malloc and calloc and killing the CPU. I strongly recommend tcmalloc. In
> low traffic, it won't make a big difference, but in high traffic, you
> definitely need tcmalloc.
>
> I will provide an update when I have better measurement from our
> production servers.
>
> Regards,
> Ali Pey
>
>
> On Wed, Feb 25, 2015 at 11:25 AM, Michael Jerris <mike at jerris.com> wrote:
>
>> We make fairly heavy use of memory pools, which probably reduce malloc.
>> I suspect that using them is of little benefit but would be interested to
>> hear to the contrary.
>>
>> On Feb 24, 2015, at 2:15 PM, Tamas Jalsovszky <jalsot at gmail.com> wrote:
>>
>> Great idea. Do you have any evidence whether other malloc libs (tcmalloc,
>> jemalloc) gives better performance over glibc ones?
>>
>> T.
>>
>> On Wed, Feb 18, 2015 at 5:13 PM, Brian West <brian at freeswitch.org> wrote:
>>
>>> The webpage for TCMalloc states:
>>>
>>> You can use tcmalloc in applications you didn't compile yourself, by
>>> using LD_PRELOAD:
>>>
>>>    $ LD_PRELOAD="/usr/lib/libtcmalloc.so" blahblah
>>>
>>> On Wed, Feb 18, 2015 at 9:59 AM, Ali Pey <alipey at gmail.com> wrote:
>>>
>>>> Hello,
>>>>
>>>> Is there a way to switch to TCMalloc without recompiling freeswitch?
>>>>
>>>> Can someone please point me to (or provide) some instructions?
>>>> (Preferably for Centos 6)
>>>>
>>>
>>
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>
>
> _________________________________________________________________________
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>
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-- 

*Brian West*
brian at freeswitch.org


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