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#mongodb logs for Friday the 10th of June, 2016
[09:52:27] <Zelest> Derick, i'm reading the upgrade guide from 3.0 to 3.2, and it tells me to "upgrade the replication protocol", setting cfg.protocolVersion=1 .. what's that? and what's new in the protocol? :o
[10:03:25] <Zelest> Derick, ah! https://docs.mongodb.com/manual/reference/replica-configuration/#rsconf.protocolVersion
[10:06:08] <Derick> or rather https://docs.mongodb.com/manual/release-notes/3.2/#rel-notes-rs-enhancements
[10:19:03] <Zelest> Derick, yeah, "syncingTo:" sounds like that replica member is sending data TO that machine
[10:19:49] <Zelest> no biggie when it's between a secondary and the primary, but it gets confusing when it's two secondaries syncing from/to each other
[11:48:47] <ShekharReddy> mongoose.model('Book', bookSchema); what does this wriiten if I have bookSchema same as collection in db and Book is a variable accessible from anywhere
[14:37:08] <php> I'm using Mongo's Java Driver - I'm quite new - and I am wondering how I can do this... I have a schema, { "_id": objectid, "owner": java unique id as a string, "members": {java uuid as string, java uuid as string, ...}}
[14:37:24] <php> DBCursor cursor = MongoCollections.getGuildsCollection().find(new BasicDBObject("owner", uuid.toString()));
[14:37:46] <php> I now want to search where owner = uuid.toString() or members contains uuid.toString()
[15:11:04] <pchoo> Hello all, I'm looking at adding an index to a collection. I'd like for it to be a unique sparse index. would this allow me to have multiple null values?
[15:43:01] <cheeser> php: ok. 2 thoughts: 1) what's the problem? and 2) why not use Morphia for this? it'd handle all the mapping for you.
[15:54:54] <php> >> I'm using Mongo's Java Driver - I'm quite new - and I am wondering how I can do this... I have a schema, { "_id": objectid, "owner": java unique id as a string, "members": {java uuid as string, java uuid as string, ...}}
[15:55:11] <php> >> DBCursor cursor = MongoCollections.getGuildsCollection().find(new BasicDBObject("owner", uuid.toString()));
[15:55:21] <php> >> I now want to search where owner = uuid.toString() or members contains uuid.toString()
[15:56:19] <php> I've tried nothing. No idea how to do this. The examples I find are JavaScript and I'm unsure how it translates to Java
[16:18:18] <pchoo> cheeser: Thanks, I would omit the value, but the "ORM" package we are using fills empty values with null
[19:20:29] <dino82> mms says Data Size is 33.4GB. df -h says the disk that only contains the mongo database has 255GB of data. wtf
[19:26:16] <Gliesian66> How do I persist a ISODate into mongodb from a GMT/UTC time/string in PyMongo?
[19:34:09] <StephenLynx> you have to see with your driver what is the format used to parse into dates when storing into mongo.
[20:11:45] <dino82> We have one master and one secondary, trying to setup a third node and it's been giving me all kinds of grief
[20:13:41] <dino82> this may sound like a n00b question but I can't have different engines in the same replica set, can I?
[20:38:21] <Gliesian66> now for the sensor example... why aren't the sensors preaggregated by sensors (e.g., collection names are the sensor ids)
[21:04:31] <php> How do you execute these queries with the Java Driver? https://docs.mongodb.com/manual/tutorial/query-documents/#query-on-arrays
[21:10:22] <php> cheeser, so new BasicDBObject("$or", new BasicDBObject("$in", new BasicDBObject("members", uuid.toString())))