fapifta commented on a change in pull request #1494:
URL: https://github.com/apache/ozone/pull/1494#discussion_r543050296
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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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@@ -164,6 +167,27 @@ public void notifyTermIndexUpdated(long currentTerm, long
index) {
computeAndUpdateLastAppliedIndex(index, currentTerm, null, false);
}
+ /**
+ * Called from Ratis to notify state machine about configuration changes.
+ */
+ @Override
+ public void notifyConfigurationChanged(long term, long index,
+ RaftConfigurationProto newRaftConfiguration) {
+ List<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 cluster.", omNodeId);
+ ozoneManager.addNewOMNode(omNodeId);
+ } else if(LOG.isDebugEnabled()) {
Review comment:
nit: again old log4j habit
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