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WT-2446
Estimate WT cache hit ratio
Collect statistics about data size in WiredTiger cache per namespaceTOOLS-1155
mongodump should produce errors when some documents can not be fetchedTOOLS-839
expose 3.0 lock contention metrics in mongostat
mongooplog: add time-start and time-stop options
mongorestore doesn't respect "--noIndexRestore" flag if no collection metadata files are present
mongorestore stops after encountering invalid bson object
ReadPreference is not respectedSPARK-210
When inferring the schema make the pool size limitableSERVER-45653
avoid writing unneeded fields to no-op oplog entry to findAndModify with retryable writes
Explain on mongos with readPref:secondary fails in a wrong way when can't match the read pref
Operations on non-sharded views in sharded clusters extra round trip
Make $setOnInsert work with upserts and positional array updates
Number of docsExamined is not considered for index selection
Shard's in-memory CSS is not refreshed after upgrading from 3.4 to 3.6, causing a UUID mismatch on $changeStream operations
Include log rotate scripts into deb and rpm packages
Keep track of how many times a particular query shape was used and its cumulative latency
Duplicate key error returned after write concern timeout instead of TimeoutException
Index bounds are not detected correctly
Partial index shouldn't do fetch on conditions that are true by the definition of the index
Invariant failure with 1000 of fake shards in mongos
Chunk is not marked as jumbo when it should
LDAP: pick servers based on proximity
Rename PLAIN to LDAP in the db.auth()
Log authenticated user when logging slow queries
Backup/Restore of individual databases/collections with FS backups
Increase Replication Rollback (Data) Limit
MongoDB stuck in shutdown and then does a full resync after kill -9
Ability to hint index intersection
Remove the THP "defrag" startup warning
Index bounds are not populated for a compound index with 2dsphere in the end
Implement parallelCollectionScan for WiredTiger
Working set estimation WT
Index bounds over trailing field are not constrained for AND_HASH plan using a multikey index
Improve performance of $geoWithin query for complex multi-polgyon
Improve logging in SecureRandom and PseudoRandom classes
Killing one index build interrupts another one on the same collection
Save data that is rolled back to the rollback directory
Additional consistency validation checks for config servers as replica sets
Compound 2dsphere index does unnecessary object scans when a non-anchored regex is given for the second field
2.6 initial sync should fail if syncing from 3.0+WT
Make mongoS collstats aware of $gleStats section in mongoD responses
Report detected config servers clock skew in mongoS through some command
Tracking of indexes being used
Add the time spent waiting for write concern in the command log line
Allow resizing oplog with CollMod on WT
Long running operations should be logged periodically
Need an ability to log user operations at the beginning of their execution
New primary should log voters at default log level
Refuse to complete initial sync from nodes with 2.4-style auth data