On Wed, Feb 25, 2015 at 7:30 PM, Brian West <brian@freeswitch.org> wrote:
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@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 PeyOn Wed, Feb 25, 2015 at 11:25 AM, Michael Jerris <mike@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@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@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@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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