Covering the basic concepts of Replica Sets and Sharding. Presented at the Seville MUG (@SVQMongoDB) March 2014

1. Trisha Gee, Java Driver Developer
#SVQMUG
Scaling MongoDB
@trisha_gee

2. Multi Server

3. Replica Set

4. Replica Set

5. Write Concern
• Unacknowledged
• Acknowledged
• Journaled
• Replica Acknowledged
• http://docs.mongodb.org/manual/core/
write-concern/

7. Read Preference
• Primary
• PrimaryPreferred
• Secondary
• SecondaryPreferred
• Nearest
• http://docs.mongodb.org/manual/core/
read-preference/

8. Replica SetSharding

11. Notes
• Range and Hash Based sharding
• Pick your shard key with care

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Questions
@trisha_gee

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