* Disable PaX MPROTECT for bin/mongo
Changelog:
3.4.4 – Apr 21, 2017
Issues fixed:
SERVER-18794: Add an aggregation operator $objectToArray to convert an object to an array of key, value pairs.
SERVER-23310: Add an aggregation operator $arrayToObject to convert an array of pairs to an object.
SERVER-22611: ChunkManager refresh can occasionally cause a full reload.
3.4.4 Changelog
All JIRA issues closed in 3.4.4
3.4.3 – Mar 28, 2017
Issues fixed:
SERVER-27863: Reschedule firing of early alarms in NetworkInterfaceASIO to avoid mongos crash.
SERVER-28017: $ne should respect collection’s default collation.
SERVER-27700: Improve WiredTiger performance on secondary when cache is full.
3.4.3 Changelog
All JIRA issues closed in 3.4.3
3.4.2 – Feb 1, 2017
Issues fixed:
SERVER-27125: Arbiters in pv1 should vote no in elections if they can see a healthy primary of equal or greater priority to the candidate.
SERVER-27584 Add support for filter to listDatabases
WT-2670 Inefficient I/O when read full DB (poor readahead)
3.4.2 Changelog
All JIRA issues closed in 3.4.2
3.4.1 – Dec 20, 2016
Issues fixed:
SERVER-27124: Disallow readConcern: majority reads on replica set protocolVersion 0 (pv0).
SERVER-27201: $graphLookup triggers null pointer dereference.
SERVER-27207: Find operation with a sort on a view via mongos may incorrectly return empty result set.
SERVER-27213: Two $match pipeline stages can combine incorrectly to produce incorrect results.
3.4.1 Changelog
All JIRA issues closed in 3.4.1
517bb4e046