[Freeswitch-users] Outbound event_socket memory usage

Brian West brian at freeswitch.com
Mon Sep 27 19:06:27 UTC 2021

What is the memory usage attributed to? Your process or FreeSWITCH?

On Mon, Sep 27, 2021 at 1:16 PM Adrien Martin <a.martin at alphalink.fr> wrote:

> Hello,
> I'm currently benchmarking an ESL program that use both outbound and
> inbound mode and notice a quite large memory usage for the FreeSWITCH
> process compared to a dialplan that has similar actions (8 set (half
> multiset), 1 sched_hangup, 1 bridge).
> The FreeSWITCH process use about 2 Mo per call and about 180 Ko without
> ESL.
> This does not look like a leak, the memory usage is stable and
> proportional to the current calls, Valgrind does not show anything special
> either.
> What was tested:
> - Pure dialplan while running only the inbound ESL subscribing to some
> SESSION_HEARTBEAT) for all channels, inbound ESL does not increase memory
> consumption,
> - Outbound ESL that just close the connection at the beginning of the
> dialplan, same memory usage as a complete ESL program,
> - Outbound ESL linger set/not set, no change,
> - Outbound ESL parameters async/full present or not, no change,
> - Versions 1.10.5~release~17 and 1.10.6~release~18, no change.
> Does this kind of resource penalty is to be expected?
> What could cause these differences?
> For those using outbound ESL, how much memory does your FreeSWITCH use per
> call?
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