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2.4 Changelog

2.4.10 - Changes

  • Indexes: Fixed issue that can cause index corruption when building indexes concurrently (SERVER-12990)
  • Indexes: Fixed issue that can cause index corruption when shutting down secondary node during index build (SERVER-12956)
  • Indexes: Mongod now recognizes incompatible “future” text and geo index versions and exits gracefully (SERVER-12914)
  • Indexes: Fixed issue that can cause secondaries to fail replication when building the same index multiple times concurrently (SERVER-12662)
  • Indexes: Fixed issue that can cause index corruption on the tenth index in a collection if the index build fails (SERVER-12481)
  • Indexes: Introduced versioning for text and geo indexes to ensure backwards compatibility (SERVER-12175)
  • Indexes: Disallowed building indexes on the system.indexes collection, which can lead to initial sync failure on secondaries (SERVER-10231)
  • Sharding: Avoid frequent immediate balancer retries when config servers are out of sync (SERVER-12908)
  • Sharding: Add indexes to locks collection on config servers to avoid long queries in case of large numbers of collections (SERVER-12548)
  • Sharding: Fixed issue that can corrupt the config metadata cache when sharding collections concurrently (SERVER-12515)
  • Sharding: Don’t move chunks created on collections with a hashed shard key if the collection already contains data (SERVER-9259)
  • Replication: Fixed issue where node appears to be down in a replica set during a compact operation (SERVER-12264)
  • Replication: Fixed issue that could cause delays in elections when a node is not vetoing an election (SERVER-12170)
  • Replication: Step down all primaries if multiple primaries are detected in replica set to ensure correct election result (SERVER-10793)
  • Replication: Upon clock skew detection, secondaries will switch to sync directly from the primary to avoid sync cycles (SERVER-8375)
  • Runtime: The SIGXCPU signal is now caught and mongod writes a log message and exits gracefully (SERVER-12034)
  • Runtime: Fixed issue where mongod fails to start on Linux when /sys/dev/block directory is not readable (SERVER-9248)
  • Windows: No longer zero-fill newly allocated files on systems other than Windows 7 or Windows Server 2008 R2 (SERVER-8480)
  • GridFS: Chunk size is decreased to 255 KB (from 256 KB) to avoid overhead with usePowerOf2Sizes option (SERVER-13331)
  • SNMP: Fixed MIB file validation under smilint (SERVER-12487)
  • Shell: Fixed issue in V8 memory allocation that could cause long-running shell commands to crash (SERVER-11871)
  • Shell: Fixed memory leak in the md5sumFile shell utility method (SERVER-11560)