* 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
* Fix build with boost 1.62.0
* Use fsync(2) instead of fdatasync(2) on NetBSD
When fdatasync(2) is used, journaling support does not work
on 7.99.39 and 7.0.1
Changelog:
MongoDB 3.2.10 is out and is ready for production deployment. This release contains only fixes since 3.2.9, and is a recommended upgrade for all 3.2 users.
Fixed in this release:
SERVER-12048 Calling "service mongod start" with mongod running prevents "service mongod stop" from working
SERVER-16801 Update considers a change in numerical type to be a noop
SERVER-20306 75% excess memory usage under WiredTiger during stress test
SERVER-24885 The systemd MaxTasks feature can prevent mongod from accepting new connections
SERVER-24971 Excessive memory held by sessions when application threads do evictions
SERVER-25478 Use wtimeout in sh.setBalancerState
SERVER-25951 Report additional metrics in getMore slowms logging
SERVER-25974 Application threads stall for extended period when cache fills
TOOLS-1429 mongostat panic when monitored server is restarted
WT-2026 Maximum pages size at eviction too large
WT-2924 Ensure we are doing eviction when threads are waiting for it
3.2.7 Jun 7, 2016
Issues fixed:
SERVER-24054: JS segmentation fault on load of certain NaNs.
SERVER-24058: Connection pool asio doesn't honor setup
timeouts.
SERVER-24117: Mongo binaries ELF stack has become executable.
3.2.6 Apr 28, 2016
First production release of the in-memory storage engine.
Issues fixed:
SERVER-22970: Background index build may result in extra index key
entries that do not correspond to indexed documents.
SERVER-22043: mongo shell method count() ignores read preference.
3.2.5 Apr 14, 2016
Issues fixed:
SERVER-22964: IX GlobalLock held while waiting for WiredTiger
cache eviction.
SERVER-22831: Low query rate with heavy cache pressure and an idle
collection.
SERVER-21681: Include index size stats for in-memory storage
engine.
* Change JavaScript engine from V8 to SpiderMonkey.
Changelog:
3.2.1 – Jan 12, 2016
Fixed error where during a regular shutdown of a replica set, secondaries may mark certain replicated but yet to be applied operations as successfully applied: SERVER-21868.
Improve insert workload performance with WiredTiger on Windows: SERVER-20262.
Fixed long-running transactions during chunk moves: SERVER-21366
All issues closed in 3.2.1
3.0.9 – Jan 26, 2016
Fixed issue where queries which specify sort and batch size can return results out of order if documents are concurrently updated. SERVER-19996
Fixed performance issue where large amounts of create and drop collections can cause listDatabases to be slow under WiredTiger. SERVER-20961
Modified the authentication failure message to include the client IP address. SERVER-22054
All issues closed in 3.0.9
3.0.8 – Dec 15, 2015
Fixed issue where findAndModify on mongos can upsert to the wrong shard. SERVER-20407.
Fixed WiredTiger commit visibility issue which caused document not found. SERVER-21275.
Fixed issue where the oplog can grow to 3x configured size. SERVER-21553
All issues closed in 3.0.8
Changelog:
3.0.7 – Oct 13, 2015
Improvements to WiredTiger memory handling and performance: SERVER-20159, SERVER-20204, SERVER-20091, and SERVER-20176.
Fixed issue where replica set nodes will not step down: SERVER-19464.
Additional privileges for built-in roles: SERVER-19131, SERVER-15893, and SERVER-13647.
All issues closed in 3.0.7
- Improvements to WiredTiger Stability.
- Fixed issue with the interaction between SSL and Auditing.
- Fixed issue with aggregation $sort on sharded systems.
Changelog:
MongoDB 3.0.4 is released
June 6, 2015
MongoDB 3.0.4 is out and is ready for production deployment. This release contains only fixes since 3.0.3, and is a recommended upgrade for all 3.0 users.
Fixed in this release:
SERVER-17923 Creating/dropping multiple background indexes on the same collection can cause fatal error on secondaries
SERVER-18079 Large performance drop with documents > 16k on Windows
SERVER-18190 Secondary reads block replication
SERVER-18213 Lots of WriteConflict during multi-upsert with WiredTiger storage engine
SERVER-18316 Database with WT engine fails to recover after system crash
SERVER-18475 authSchemaUpgrade fails when the system.users contains non MONGODB-CR users
SERVER-18629 WiredTiger journal system syncs wrong directory
SERVER-18822 Sharded clusters with WiredTiger primaries may lose writes during chunk migration
Announcing MongoDB 3.0 and Bug Hunt Winners
March 3, 2015
Today MongoDB 3.0 is generally available; you can download now.
Our community was critical to ensuring the quality of the release. Thank you to everyone who participated in our 3.0 Bug Hunt. From the submissions, we've selected winners based on the user impact and severity of the bugs found.
First Prize
Mark Callaghan, Member of Technical Staff, Facebook
During the 3.0 release cycle, Mark submitted 10 bug reports and collaborated closely with the MongoDB engineering team to debug the issues he uncovered. As a first place winner, Mark will receive a free pass to MongoDB World in New York City on June 1-2, including a front row seat to the keynote sessions. Mark was also eligible to receive a $1,000 Amazon gift card but opted to donate the award to a charity. We are donating $1,000 to CodeStarters.org in his name.
Honorable Mentions
Nick Judson, Conevity
Nick submitted SERVER-17299, uncovering excessive memory allocation on Windows when using "snappy" compression in WiredTiger.
Koshelyaev Konstantin, RTEC
Koshelyaev submitted SERVER-16664, which uncovered a memory overflow in WiredTiger when using "zlib" compression.
Tim Callaghan, Crunchtime!
In submitting SERVER-16867, Tim found an uncaught WriteConflict exception affecting replicated writes during insert-heavy workloads.
Nathan Arthur, PreEmptive Solutions
Nathan submitted SERVER-16724, which found an issue with how collection metadata is persisted.
Thijs Cadier, AppSignal
Thijs submitted SERVER-16197, which revealed a bug in the build system interaction with the new MongoDB tools.
Nick, Koshelyaev, Tim, Nathan, and Thijs will also receive tickets to MongoDB World in New York City on June 1-2 (with reserved front-row seat for keynote sessions), $250 Amazon Gift Cards, and MongoDB t-shirts.
Congratulations to the winners and thanks to everyone who downloaded, tested and gave feedback on the release candidates.
Packged by jafour1 and updated by some users.
Mongo (from "humongous") is a high-performance, open source, schema-free,
document-oriented database. It features: document data model with dynamic
schemas; full, flexible index support and rich queries; auto-Sharding for
horizontal scalability; built-in replication for high availability; text
search; advanced security; aggregation Framework and MapReduce; large media
storage with GridFS.
