Hi,
1. See the load (per proc) related stats [1] - they are used to check
the combined load of the procs in the same auto-scaling group
2. I would say your syslog is very slow and the overhead with extra
logging (from level 3 to 4) is triggering the up scaling.
[1]
https://www.opensips.org/Documentation/Interface-CoreStatistics-3-2#toc13
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
https://www.opensips-solutions.com
OpenSIPS eBootcamp 2021
https://opensips.org/training/OpenSIPS_eBootcamp_2021/
On 10/21/21 3:15 PM, Saurabh Chopra wrote:
Hi All,
We have successfully tested the auto-scaling in opensips after reading
the blog.
_https://blog.opensips.org/2019/02/25/auto-process-scaling-a-cure-for-load-and-resources-concerns/
<https://blog.opensips.org/2019/02/25/auto-process-scaling-a-cure-for-load-and-resources-concerns/>_
But, I am confused with two things,
1. How opensips calculates load to scale the processes UP/DOWN. Is
there any function that we can use to check the load or any kind of
xlog so that we can print in our config.
2. The config which i am running is scaling up the process when we are
adding (*log_level=4*) not for *log_level=3*. Is it specific that we
have to use log_level=*4*.
version: opensips 3.1.0 (x86_64/linux)
flags: STATS: On, DISABLE_NAGLE, USE_MCAST, SHM_MMAP, PKG_MALLOC,
Q_MALLOC, F_MALLOC, HP_MALLOC, DBG_MALLOC, FAST_LOCK-ADAPTIVE_WAIT
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16,
MAX_URI_SIZE 1024, BUF_SIZE 65535
poll method support: poll, epoll, sigio_rt, select.
svn revision: 3748:3779M
main.c compiled on 06:18:30 Feb 1 2021 with gcc 5.4.0
Below is the basic of my configuration
*log_level=4
log_stderror=no
log_facility=LOG_LOCAL5
memlog=2
disable_dns_blacklist=no
auto_scaling_profile = PROFILE_SIP
scale up to 6 on 40% for 4 cycles within 5
scale down to 2 on 1% for 8 cycles
socket=udp:20.0.xx.xxx:5507 AS 54.227.xx.xx:5507
use_auto_scaling_profile PROFILE_SIP*
Best Regards
Saurabh Chopra
+918861979979
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