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Cross DC gossip fixes #23803

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* Adjust cross DC gossip probability for small nr of nodes in a DC
When a Dc is being bootstrapped the initial node has no local peers and
can not gossip if it selects a local gossip round. Start at a
probability of 1.0 for a single node cluster and move down 0.25 per node
until a 5 node DC is reached then use the cross-data-center-gossip-probability
* Fix cross DC gossip selecting of oldest members
This used to select the members based on the sort order members in
Gossip (by address) rather than by upNumber
This commit is contained in:
Christopher Batey 2017-11-02 08:17:24 +00:00 • committed by Johan Andrén
parent a50df1c575
commit 5a37cdc862
10 changed files with 227 additions and 36 deletions
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4
akka-cluster/src/test/scala/akka/cluster/protobuf/ClusterMessageSerializerSpec.scala
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@ -35,9 +35,9 @@ class ClusterMessageSerializerSpec extends AkkaSpec(
import MemberStatus._
val a1 = TestMember(Address("akka.tcp", "sys", "a", 2552), Joining, Set.empty)
val a1 = TestMember(Address("akka.tcp", "sys", "a", 2552), Joining, Set.empty[String])
val b1 = TestMember(Address("akka.tcp", "sys", "b", 2552), Up, Set("r1"))
val c1 = TestMember(Address("akka.tcp", "sys", "c", 2552), Leaving, Set.empty, "foo")
val c1 = TestMember(Address("akka.tcp", "sys", "c", 2552), Leaving, Set.empty[String], "foo")
val d1 = TestMember(Address("akka.tcp", "sys", "d", 2552), Exiting, Set("r1"), "foo")
val e1 = TestMember(Address("akka.tcp", "sys", "e", 2552), Down, Set("r3"))
val f1 = TestMember(Address("akka.tcp", "sys", "f", 2552), Removed, Set("r3"), "foo")