prashantpogde commented on a change in pull request #1508:
URL: https://github.com/apache/ozone/pull/1508#discussion_r520812428
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File path:
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/DatanodeInfo.java
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@@ -53,6 +56,11 @@ public DatanodeInfo(DatanodeDetails datanodeDetails) {
super(datanodeDetails);
this.lock = new ReentrantReadWriteLock();
this.lastHeartbeatTime = Time.monotonicNow();
+ lastKnownLayoutVersion =
+ LayoutVersionProto.newBuilder()
+ .setMetadataLayoutVersion(0)
Review comment:
because register may not even be called when the datanode comes up. The
very first message from datanode could be directly a heartbeat message.
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