Andrey,
Can you please run “kamcmd tm.stats” and check the values. I have a
similar problem and see clearly
a lot of transactions not being freed, eating up memory and ending
with out of memory messages in the log.
Have an open issue about it in the bug tracker.
/O
On 12 Jan 2018, at 11:10, Daniel-Constantin
Mierla <miconda(a)gmail.com
<mailto:miconda@gmail.com>> wrote:
Hello,
if you run with 512MB, is the shm free getting to 1.8MB as well for
same figures of registrations and calls?
Cheers,
Daniel
On 12.01.18 09:19, Andrey Deykunov wrote:
Hi,
We use kamailio as a router in our PBX server. The test below causes
significant decreasing of free shared memory and
many "out of memory" errors in kamailio log:
Preconditions: kamailio server with 256Mb of shared memory allocated.
Test actions: run two load testing scripts at the same time:
1) 10000 register operations;
2) 20000 calls (about 300 per sec);
Results:
1) memory consumption in peak values:
- shmem.free_size: 1.8Mb
- core: 120Mb:
- build_req_buf_from_sip_req: 12.5Mb
- msg_lump_cloner: 23.6Mb
- sip_msg_shm_clone: 84Mb
- tm module: 118Mb
2) shmem.free_size parameter back to normal after the test, so
it could be concluded that we don't have any memory leaks.
Is it normal behavior or it's possible to do something to increase
performance?
PS: the same behaviour occurs for various values of shared memory
defined at the start of kamailio server (128Mb, 256Mb, 512Mb etc.).
Thank you,
Andrey
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