Mon Sep 10 09:10:21 [conn6338] insert kpsommar3.microlog keyUpdates:0 exception: file /var/lib/mongodb/kpsommar3.1 open/create failed in createPrivateMap (look in log for more information) code:13636 locks(micros) w:9235 9ms
Mon Sep 10 09:10:21 [conn6313] ERROR: mmap private failed with out of memory. (64 bit build)
Mon Sep 10 09:10:21 [conn6313] Assertion: 13636:file /var/lib/mongodb/kpsommar3.1 open/create failed in createPrivateMap (look in log for more information)
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I ran into this error while running 2.0.4 and upgraded to 2.2.0 and the problem went away. After two/three days after upgrading the problem came back but disappeared after a mongod restart. Could this be related to a memory leak?

I'll try to fix a simple test case but essentially I have five monitoring scripts sending log data to a PHP script via a REST interface.

Some more system info:

> db.stats();
{
"db" : "kpsommar3",
"collections" : 6,
"objects" : 72223,
"avgObjSize" : 211.56794926823866,
"dataSize" : 15280072,
"storageSize" : 18935808,
"numExtents" : 12,
"indexes" : 7,
"indexSize" : 20889680,
"fileSize" : 469762048,
"nsSizeMB" : 16,
"ok" : 1
}
>

% ulimit -v -H
unlimited

I'd love to help debugging this one to get rid of it once and for all.

Johan