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> 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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