bharatviswa504 commented on a change in pull request #1494:
URL: https://github.com/apache/ozone/pull/1494#discussion_r642199349
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File path:
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/ratis/OzoneManagerStateMachine.java
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@@ -166,6 +167,29 @@ public void notifyTermIndexUpdated(long currentTerm, long
index) {
computeAndUpdateLastAppliedIndex(index, currentTerm, null, false);
}
+ /**
+ * Called to notify state machine about configuration changes.
+ * Configurations changes include addition of newly bootstrapped OM.
+ */
+ @Override
+ public void notifyConfigurationChanged(long term, long index,
+ RaftProtos.RaftConfigurationProto newRaftConfiguration) {
+ List<RaftProtos.RaftPeerProto> newPeers =
+ newRaftConfiguration.getPeersList();
+ LOG.info("Received Configuration change notification from Ratis. New Peer"
+
+ " list:\n{}", newPeers);
+ for (RaftProtos.RaftPeerProto raftPeerProto : newPeers) {
+ String omNodeId = RaftPeerId.valueOf(raftPeerProto.getId()).toString();
+ if (!ozoneManager.doesPeerExist(omNodeId)) {
+ LOG.info("Adding new OM {} to the Peer list.", omNodeId);
+ ozoneManager.addOMNodeToPeers(omNodeId);
Review comment:
We can revisit this if we want to support with out change in config.
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