sodonnel commented on code in PR #4655:
URL: https://github.com/apache/ozone/pull/4655#discussion_r1231167551
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hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/AbstractContainerReportHandler.java:
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@@ -370,6 +384,26 @@ private void updateContainerReplica(final DatanodeDetails
datanodeDetails,
}
}
+ /**
+ * Determines whether container replica is empty or not.
+ *
+ * @param replicaProto container replica details.
+ * @return true if container replica is empty else false
+ */
+ private boolean fillEmpty(final ContainerReplicaProto replicaProto) {
+ if (replicaProto.hasIsEmpty()) {
+ return replicaProto.getIsEmpty();
+ } else {
+ // Handled when DN version is old then there will not be isEmpty field.
+ // In this case judge container empty based on keyCount
+ // and bytesUsed field.
+ if (replicaProto.getKeyCount() == 0 && replicaProto.getUsed() == 0) {
+ return true;
+ }
Review Comment:
OK - it is fine to remove the compatibility part. I am sure I have seen (and
had review comments against my own code) code in the past that does this
compatibility thing, which I why I raised it, but if we really don't need to
worry about it for now, then that is good to know for the future.
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