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Mongo For Java - 4 - Indexes (Sharding (Application (MongoS (router)…
Mongo For Java - 4 - Indexes
Sharding
Application
MongoS (router)
Mongod1
Mongod2
....
Insert
must include shard key
Mongostat
Mongoprop
Storage Engine
Caratteristiche generali
<interfce between
System Storage
DiSKS
DB itself
ottimizza uso della memoria
Pluggabel
se ne può usare più di uno
implementazioni
MMAPv1
mapping
100GB su Disco
1000GB virtuali
Collection Level Concurrency
Colection Level Locking
Multiple Reader / Single Writer
In place update
Wired Tiger
MongoDB 3.0
Document Level Concurrency
Optimistic Locking
Compression
Data
Indexes