ZanderXu commented on code in PR #6176:
URL: https://github.com/apache/hadoop/pull/6176#discussion_r1361442637
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hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeDescriptor.java:
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@@ -1007,6 +1013,7 @@ public void updateRegInfo(DatanodeID nodeReg) {
for(DatanodeStorageInfo storage : getStorageInfos()) {
if (storage.getStorageType() != StorageType.PROVIDED) {
storage.setBlockReportCount(0);
+ storage.setBlockContentsStale(true);
Review Comment:
HDFS-16999 that you did is a very nice catch. It fix a problem that namenode
may contains the incorrect metadata.
This case I said above is used to prevent namenode to delete any replicas
depended on uncertain or stale metadata in NameNode.
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