Cluster heartbeat timings (#26757)

* Serializer for Heartbeat and HeartbeatRsp that includes sendTime and sequenceNr

A future release will be required to use the serialiser once there has
been a release with this PR so that old nodes can deserialise the new
message.

* Cross DC heartbeating sequenceNr and sendTime
This commit is contained in:
Christopher Batey 2019-07-04 14:21:24 +01:00 committed by GitHub
parent f9d76aa030
commit 7c94367d13
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
11 changed files with 1744 additions and 100 deletions