MongoDB - Sharding

With sharding, you add more machines to help facts growth and the dreams of study and write operations

Benefits Sharding?

  • In replication, all writes go to master node
  • Latency touchy queries still visit master
  • Single replica set has problem of 12 nodes
  • Memory cannot be big enough at the same time as active dataset is huge
  • Local disk is not large enough
  • Vertical scaling is really too high-priced

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