<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Andrey,<div class="">Can you please run “kamcmd tm.stats” and check the values. I have a similar problem and see clearly</div><div class="">a lot of transactions not being freed, eating up memory and ending with out of memory messages in the log.</div><div class="">Have an open issue about it in the bug tracker.</div><div class=""><br class=""></div><div class="">/O</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On 12 Jan 2018, at 11:10, Daniel-Constantin Mierla <<a href="mailto:miconda@gmail.com" class="">miconda@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" class="">
<div text="#000000" bgcolor="#FFFFFF" class=""><p class="">Hello,</p><p class="">if you run with 512MB, is the shm free getting to 1.8MB as well
for same figures of registrations and calls?</p><p class="">Cheers,<br class="">
Daniel<br class="">
</p>
<br class="">
<div class="moz-cite-prefix">On 12.01.18 09:19, Andrey Deykunov
wrote:<br class="">
</div>
<blockquote type="cite" cite="mid:CAEsJsWD5622J1Br-OL4tGYZyJ1tsgKqLYamWyHu0XucF94hp4g@mail.gmail.com" class="">
<div dir="ltr" class="">
<div class="">Hi,</div>
<div class=""><br class="">
</div>
<div class="">We use kamailio as a router in our PBX server. The test
below causes significant decreasing of free shared memory and </div>
<div class="">many "out of memory" errors in kamailio log:</div>
<div class=""><br class="">
</div>
<div class="">Preconditions: kamailio server with 256Mb of shared memory
allocated.</div>
<div class=""><br class="">
</div>
<div class="">Test actions: run two load testing scripts at the same
time: </div>
<div class=""> 1) 10000 register operations;</div>
<div class=""> 2) 20000 calls (about 300 per sec);</div>
<div class=""><br class="">
</div>
<div class="">Results: </div>
<div class=""> 1) memory consumption in peak values:</div>
<div class=""><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>
- shmem.free_size: 1.8Mb</div>
<div class=""><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>
- core: 120Mb:</div>
<div class=""><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>
- build_req_buf_from_sip_req: 12.5Mb</div>
<div class=""><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>
- msg_lump_cloner: 23.6Mb</div>
<div class=""><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>
- sip_msg_shm_clone: 84Mb</div>
<div class=""><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>
- tm module: 118Mb</div>
<div class=""> 2) shmem.free_size parameter back to normal after the
test, so it could be concluded that we don't have any memory
leaks.</div>
<div class=""><br class="">
</div>
<div class="">Is it normal behavior or it's possible to do something to
increase performance?</div>
<div class=""><br class="">
</div>
<div class="">PS: the same behaviour occurs for various values of shared
memory defined at the start of kamailio server (128Mb, 256Mb,
512Mb etc.).</div>
<div class=""><br class="">
</div>
<div class="">Thank you,</div>
<div class="">Andrey</div>
</div>
<br class="">
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<br class="">
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</blockquote>
<br class="">
<pre class="moz-signature" cols="72">--
Daniel-Constantin Mierla
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