Hi,
you can try calling collectgarbage("collect") in Lua code.
Michal
út 16. 4. 2024 v 9:25 odesílatel Muhammad Danish Moosa via sr-users <
[email protected]> napsal:
> Hi,
>
> I am using kamailio with KEMI Lua. The script has some medium level
> complexity as it stores some information from the invite in redis
> cache during the call and uses that information during the call transfers
> (REFER and Invite triggered by REFER).
>
> Lua script itself creates/sets some variables, and
> sends/retrieves information during the flow for example
> KSR.ndb_redis.redis_cmd("srvN", "SET coreCI-" .. varCI .. " " ..
> KSR.pv.getw("$ci") .. " EX 3600", "r");
> KSR.ndb_redis.redis_cmd("srvN", "GET refvar-" .. cid, "r");
> reft=KSR.pv.getw("$redis(r=>value)");
>
> I made a test call and disconnected, what I am observing is that even if
> the call is finished the used memory is slightly increased.
>
> before:
> < real_used: 844240
> < real_used: 844088
> < real_used: 844088
> < real_used: 844088
> < real_used: 844088
> < real_used: 844088
> < real_used: 844088
> < real_used: 844088
> after:
> > real_used: 846080
> > real_used: 845864
> > real_used: 846584
> > real_used: 846304
> > real_used: 846200
> > real_used: 846120
> > real_used: 845248
> > real_used: 846168
>
>
> My assumption is after finishing the call, memory used by variables and
> redis ops is released and should be back to original values but its not
> happening. In production this issue is causing some problems as I have to
> restart the kamailio process after every 3-4 weeks so that it starts
> breathing with more available memory.
>
> Initially I thought its Kamailio version issue as in my last posts in this
> forum people advised me to upgrade to the latest kamailio version (original
> one was 5.4.0) but the same issue is happening on 5.7.0.
>
> Can someone explain how to debug/troubleshoot this situation . I have a
> parallel lab environment, I do not see anything interesting in syslogs.
>
>
> --
> Muhammad Danish Moosa
>
> " The core of mans' spirit comes from new experiences. "___ Christopher
> McCandless
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