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[02:01:33] <netgene> When I do a $group, how do I 'rename' the field _id?

[03:18:53] <scruz> hi

[07:59:17] <svnlto_> hi, im using gridfs-stream on node and apparently appending to a file doesnt work because it has been disabled in v2 of the driver.

[08:00:22] <svnlto_> still need to append to a file unfortunately, how'd I go about it?

[11:04:48] <ams__> I've got a 200gb DB, Is there any way to use mongodump to dump the DB, then run it again to "update" the dump?

[11:07:03] <ams__> I want to upgrade to wiredtiger, but want to minimize DB downtime

[13:33:14] <troydm> hey all! somehow my mongodb is using 2gb of ram, is there a way to somehow limit the memory usage?

[13:45:50] <tinco> troydm: mongodb will use all available memory

[13:46:16] <tinco> I think

[13:46:21] <tinco> maybe you could use cgroups?

[13:46:28] <tinco> you can configure the cache size

[13:46:32] <tinco> that will have some effect

[14:09:58] <troydm> tinco: well it doesn't give back memory to os after it doesn't needs it

[15:12:57] <StephenLynx> kek

[16:54:49] <nilsi> Can anyone see what wrong with this query?

[16:54:50] <nilsi> http://pastebin.com/GMhYSgeh

[16:55:20] <nilsi> I cant specy the path with . (dots)?

[16:55:23] <nilsi> Error: Line 4: Unexpected token .

[16:55:41] <nilsi> Do I have to pass them as a String?

[16:57:02] <cheeser> wrap the keys in quotes.

[16:57:18] <nilsi> cheeser thanks

[16:57:27] <cheeser> strictly speaking, json keys are always strings and should be quoted. many parsers are lax about that requirement.

[16:57:36] <cheeser> the dots make them essential

[16:57:37] <nilsi> Does it mather if its double or single quotes?

[16:57:40] <nilsi> Ah okey

[16:59:34] <nilsi> Got some new errors

[16:59:35] <nilsi> http://pastebin.com/it8QmMgB

[16:59:47] <nilsi> assert failed : Fourth argument must be empty when specifying upsert and multi with an object.

[17:00:36] <nilsi> I just removed that four argument

[17:00:39] <nilsi> It worked

[17:00:41] <nilsi> Good enough

[17:01:01] <nilsi> fourth*