Introducing MongoDB 2.6

1. MongoDB 2.6

2. 2
• Operations
– MMS makes MongoDB as easy to run as it is to build
• Enterprise-ready enhancements
– Security
– BI & Analytics
• Improved queries
– New protocol for write ops
– Query plans
– New operators
– Full Text Search
Our Biggest Release Ever

3. Ops

4. 4
Monitoring
• MongoDB-specific metrics
• Understand system health, alerting, etc.

5. 5
Backup
• Backup is hard
– For large, sharded clusters
• We make it simple

6. 6
• 80% of downtime in all systems due to
people/process errors
• Upgrade: 30+ manual steps  1 click
Automation

7. 7
• Background index build on secondary
• maxTimeMS()
• usePowerOf2Sizes is default
• New client-server protocol for writes
– Bulk() write ops
– Unordered = parallel execution
– BulkWriteResult contains separate error
for each op
• Housekeeping for sharded clusters
– cleanupOrphaned
– mergeChunks
Server Side Ops Improvements

8. Security

9. 9
• What Enterprises Expect
– Fine-grained control
– Integration w/enterprise
systems
– Compliance
Most Secure NoSQL Database

10. 10
Business Needs Security Features
Authentication
In Database
LDAP*
Kerberos*
x.509 Certificates*
Authorization
Built-in Roles
User-Defined Roles
Field Level Redaction (Partner Middleware)
Auditing
Write & Read Operations
Admin Operations*
Encryption
Network: SSL (with FIPS 140-2)*
Disk: Partner Solutions
MongoDB Enterprise-Grade Security
*Requires a MongoDB Subscription

11. 11
• 2.4 stores users in each database
• 2.6 stores all users in admin.system.users
– Users are still scoped to a single db,
but not stored in that db
• Be careful when upgrading
– http://docs.mongodb.org/manual/release-notes/2.6-compatibility
Incompatible change!

12. Aggregation & BI

13. 13
• Simpler ad-hoc queries
• Existing Indexes can be combined to optimize a
query
– Less Index Maintenance
– Smaller Working Set
– Lower Write Overhead
– More Adaptive
Index Intersection

14. 14
• Cursors back for results
– No limit on output size
• $out for Aggregation
– Write results sets to a named collection
Pipelined Data Transformations

15. 15
• $project operator in the aggregation pipeline now
supports an expanded set of expressions
$setIsSubset
$setEquals
$setDifference
$setIntersection
$setUnion
$allElementsTrue
$anyElementTrue
New Set Operators

16. 16
BI & ETL ecosystem

17. 17
Client side JavaScript frameworks

18. Full Text Search

19. 19
• Builtin feature
– No need to copy data to Solr/ElasticSearch
• Aggregation framework supported
• 15 languages supported
– stopwords, stemming
Builtin, easy to use, search

20. Geo-spatial

21. 21
• New Geometry objects
– MultiPoint
– MultiLineString
– MultiPolygon
– GeometryCollection
Geo-spatial improvements