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<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Hello,</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;"> </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">So I wrote a script that watches opensips log for log_expiry warning and collects per-process</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">cpu utilization (using 'top' command) when such entry appears in the log.</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Here's what it found:</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;"> </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">LOG:</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Dec 14 19:50:41 csp-p1n1 csp1[19109]: WARNING:core:log_expiry: threshold exceeded : msg processing took too long - 148363 us.Source : REGISTER sip:csp1.example.com:5060 SIP/2.0</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Dec 14 19:50:41 csp-p1n1 csp1[19109]: WARNING:core:log_expiry: #1 is a module action : subst - 147916us - line 1308</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Dec 14 19:50:41 csp-p1n1 csp1[19109]: WARNING:core:log_expiry: #2 is a module action : t_replicate - 78us - line 1310</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Dec 14 19:50:41 csp-p1n1 csp1[19109]: WARNING:core:log_expiry: #3 is a module action : save - 61us - line 1291</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Dec 14 19:50:41 csp-p1n1 csp1[19109]: WARNING:core:log_expiry: #4 is a module action : avp_subst - 34us - line 907</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Dec 14 19:50:41 csp-p1n1 csp1[19109]: WARNING:core:log_expiry: #5 is a module action : pv_www_authorize - 15us - line 1254</span><span style=" font-size:15px; color:#1f1c1b; background-color:#ffffff;"><br /></span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">TOP:</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">top - 19:50:41 up 350 days, 2:31, 0 users, load average: 0.53, 0.33, 0.27</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Tasks: 196 total, 3 running, 193 sleeping, 0 stopped, 0 zombie</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Cpu(s): 0.5%us, 0.5%sy, 0.0%ni, 98.7%id, 0.3%wa, 0.0%hi, 0.0%si, 0.0%st</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Mem: 4005248k total, 3776444k used, 228804k free, 286420k buffers</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Swap: 2097144k total, 40960k used, 2056184k free, 1850068k cached</span><span style=" font-size:15px; color:#1f1c1b; background-color:#ffffff;"><br /></span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;"> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">19109 opensips 20 0 696m 19m 16m S 30 0.5 26:28.04 opensips </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">19104 opensips 20 0 696m 19m 16m S 2 0.5 26:33.08 opensips </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">19105 opensips 20 0 696m 19m 16m S 2 0.5 26:28.10 opensips </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;"> 1 root 20 0 4356 572 492 S 0 0.0 13366:15 init </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;"> 2 root 20 0 0 0 0 S 0 0.0 0:06.93 kthreadd </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;"> 3 root 20 0 0 0 0 S 0 0.0 24:34.15 ksoftirqd/0 </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;"> 5 root 0 -20 0 0 0 S 0 0.0 0:00.00 kworker/0:0H </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;"> 7 root RT 0 0 0 0 S 0 0.0 1:56.92 migration/0 </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;"> </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">opensips itself utilized 30% of cpu time.</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;"> </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">here's another example:</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;"> </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">LOG:</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Dec 14 21:07:29 csp-p1n1 csp1[19110]: WARNING:core:log_expiry: threshold exceeded : msg processing took too long - 148509 us.Source : NOTIFY sip:nswasser002@192.168.36.132:5061 SIP/2.0</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Dec 14 21:07:29 csp-p1n1 csp1[19110]: WARNING:core:log_expiry: #1 is a module action : avp_subst - 63us - line 907</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Dec 14 21:07:29 csp-p1n1 csp1[19110]: WARNING:core:log_expiry: #2 is a module action : t_relay - 57us - line 1116</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Dec 14 21:07:29 csp-p1n1 csp1[19110]: WARNING:core:log_expiry: #3 is a core action : 69 - 15us - line 941</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Dec 14 21:07:29 csp-p1n1 csp1[19110]: WARNING:core:log_expiry: #4 is a module action : sipmsg_validate - 14us - line 1002</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Dec 14 21:07:29 csp-p1n1 csp1[19110]: WARNING:core:log_expiry: #5 is a module action : lookup - 13us - line 1631</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;"> </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">TOP:</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">top - 21:07:29 up 350 days, 3:48, 0 users, load average: 0.15, 0.29, 0.31</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Tasks: 196 total, 1 running, 195 sleeping, 0 stopped, 0 zombie</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Cpu(s): 0.5%us, 0.5%sy, 0.0%ni, 98.7%id, 0.3%wa, 0.0%hi, 0.0%si, 0.0%st</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Mem: 4005248k total, 3773700k used, 231548k free, 285912k buffers</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Swap: 2097144k total, 40960k used, 2056184k free, 1854896k cached</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;"> </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">19110 opensips 20 0 696m 19m 16m S 30 0.5 26:31.94 opensips</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">9 root 20 0 0 0 0 S 2 0.0 184:25.29 rcu_sched</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">19104 opensips 20 0 696m 19m 16m S 2 0.5 26:39.33 opensips</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">19112 opensips 20 0 696m 19m 16m S 2 0.5 26:27.47 opensips</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">19115 opensips 20 0 696m 19m 16m S 2 0.5 26:33.44 opensips</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">19118 opensips 20 0 696m 19m 16m S 2 0.5 26:33.73 opensips</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">25899 root 19 -1 193m 24m 11m S 2 0.6 6487:27 corosync</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">1 root 20 0 4356 572 492 S 0 0.0 13366:15 init</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">2 root 20 0 0 0 0 S 0 0.0 0:06.93 kthreadd</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">3 root 20 0 0 0 0 S 0 0.0 24:35.13 ksoftirqd/0</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">5 root 0 -20 0 0 0 S 0 0.0 0:00.00 kworker/0:0H</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;"> </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">again opensips itself utilized 30% of cpu time. in addition log_expiry message doesn't show a single action that would take long, just the whole message processing takes ~150ms.</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;"> </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">it looks like opensips for no obvious reasons randomly spikes its cpu utilization. it's not periodic, doesn't correspond to any periodic process in the system and looks completely random.</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;"> </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">i checked with MI 'ps' command and those cpu-spiking processes are all "SIP receiver" processes.</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;"> </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">I'm at loss. What could be causing opensips process to spike its cpu usage like that?</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;"> </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">I'd appreciate any ideas.</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;"> </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Thanks,</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;"> </span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><span style=" font-size:15px; color:#1f1c1b;">Michael</span></p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; "> </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">On Wednesday, December 02, 2015 07:19:06 PM Liviu Chircu wrote:</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> Hi Michael,</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> The subst() warning is very interesting, since it's not doing I/O at all </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> (bonus: it's not even allocating shared memory!).</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> So first thing that comes to mind is some excessive CPU usage happening </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> on your machine. Some cron job or daemon which may be CPU starving the </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> OpenSIPS workers from time to time?</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> Best regards,</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> Liviu Chircu</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> OpenSIPS Developer</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> http://www.opensips-solutions.com</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> </p></body></html>