Hi all, I've been running OpenSIPS (v3.x) in a Docker container for the past 1-2 years as a WebSocket (WSS) registrar handling SIP registrations. It has been stable until recently — for the past few weeks, I'm seeing severe performance stalls.
• OpenSIPS suddenly stops responding to SIP REGISTER requests. • ss -unap shows high Recv-Q values on the listening ports (UDP + WSS). • The log is flooded with warnings like: 08:55:31 opensips-3-1 /usr/local/sbin/opensips[79638]: WARNING: core: utimer_ticker: utimer task <tm-utimer> already 117150 ms ago (now 336619940 ms), delaying execution Nov 3 08:55:31 opensips-3-1/usr/local/sbin/opensips[79638]: WARNING: core: utimer_ticker: timer task ‹tm-utimer> already scheduled 117280 ms ago (now 336620070 ms), delaying execution Nov 308:55:32 opensips-3-1/us/local/sbin/opensips[79638]: WARNING: core: utimer_ticker: utimer task <tm-utimer> already scheduled 117350 ms ago (now 336620140 ms), delaying execution NOT 3 08:55:32 opensips-3-1/usr/local/sbin/opensips[79638]: WARNING: core: timer_ ticker: timer task <1b-pinger> already scheduled ms ago (now 336620140 ms), delaying execution 08:55:32 opensips-3-1/us/local/sbin/opensips[79638]: WARNING: core: timer_ticker: timer task ‹nh-timer> already scheduled ms ago (now 336620140 ms), delaying execution 308:55:32 opensips-3-1/us/local/sbin/opensips[79638]: WARNING: core:timer_ticker: timer task <pg-chk-timer> already scheduled 54750 ms ago (now 336620140 ms), delaying execution NOV 308:55:32 opensips-3-1/usr/local/sbin/opensips[79638]: WARNING: core: timer_ticker: timer task ‹ul-timer> already scheduled 79650 ms ago (now 336620140 ms), delaying execution Nov 308:55:32 opensips-3-1/us/local/sbin/opensips [79638]: WARNING: core: timer_ticker: timer task <d1g-reinvite-pinger> already scheduled 54750 ms ago (now 336620140 ms), delaying execution Nov 308:55:32 opensips-3-1/us/local/sbin/opensips[79638]: WARNING: core:timer_ticker: timer task ‹dig-options-pinger> already 308:55:32 opensips-3-1/us/local/sbin/opensips[79638]: WARNING: core: timer_ticker: timer task ‹dlg-timer> already scheduled 115460 ms ago (now 336620140 ms), delaying execution Nov 308:55:32 opensips-3-1/usr/local/sbin/opensips[79638]: WARNING: core: timer_ticker: timer task <EBR timeout> already scheduled 54750 ms ago (now 336620140 ms), skipping execution 308:55:32 opensips-3-1/usr/local/sbin/opensips[79638]: WARNING: core: timer_ticker: timer task ‹tm-timer> already • Killing the process or restarting the container sometimes does not help immediately. • CPU and memory usage inside Docker appear normal. Thanks Inderjeet
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