Page History

...

• The number of involved Replica Rule:
  • Write operation: quorum
  • Delete (metadata) operation: All nodes
    • Thismeans the Deletionoperationhasloweravailability.
  • Query operation: one or half-replicas nodenode or two (sync with the leader)
• For all operations, once a node forwards incorrect, the receiver reply incorrect.
  • But as current we can not guarantee all raft groups have the same leader in a data partition, we have to add a forward stage if the receiver is a follower. But if the receiver does not belong to the group, reply incorrection.

...