THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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readIndex()
operation that returns the most up-to-date committed (durable) operation index in the replication group providing linearizability. readIndex()
performance varies from protocol to protocol: for canonical Raft, this operation involves a round-trip to the majority of group members from the current leader, while in PacificA primary node can return the index locally as long as the primary lease is valid. If a node has received and applied an operation with an index at least as large as the one returned by readIndex()
, the state can be safely read locally.Check the IEP-99: Pluggable replication page for details on a pluggable replication protocol.
The main idea behind the atomic protocol in Ignite 2.x was a performance - because people not always need a transaction and associated coordination overhead.
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