MongoDB

Contents:

• Indexes
  • Unique Indexes
  • Sparce Indexes
  • Create Indexes, Drop Indexes , Get Indexes Info
  • Building Indexes
  • Background indexing
  • Offline indexing
  • Backups
  • The order of fields in an index
  • Covered query
  • Selectivity index
  • Use Indexes to Sort Query Results
• Queries
  • Identifying slow queries
  • .explain()
  • When mongo queries plan expired
  • Query Operations that Cannot Use Indexes Effectively
• Collections
  • Capped collection
  • Use Natural Order for Fast Reads
• Sharding
• Memory
  • Working set
  • Must my working set size fit RAM?
  • How do I calculate how much RAM I need for my application?
  • How do I read memory statistics in the UNIX top command
  • Ensure Indexes Fit RAM
  • Indexes that Hold Only Recent Values in RAM
• Errors
• ReplicaSet
  • Scaling reads with secondaries isn’t practical if any of the following apply
  • Configure a Delayed Replica Set Member
  • Replica sets Setup
  • Cmds
• Locks
  • Path of mongobd lock
• Forks
  • tokumx
• Tools
  • mongosniff
• Cmds
  • How can I check the size of a collection?
  • How can I check the size of indexes?
• Monitoring