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HDFS-16540. Data locality is lost when DataNode pod restarts in kubernetes (#4170) (#4246) 

Cherry-pick backport of 9ed8d60511
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Michael Stack 2022-05-15 21:32:48 -07:00 committed by GitHub
parent d58f9d438f
commit 1d226874d2
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1 changed files with 3 additions and 2 deletions
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hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java
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@ -1172,6 +1172,7 @@ public class DatanodeManager {
DatanodeDescriptor nodeN = host2DatanodeMap.getDatanodeByXferAddr(
nodeReg.getIpAddr(), nodeReg.getXferPort());
// Non-change. REMOVE. Number 2
if (nodeN != null && nodeN != nodeS) {
NameNode.LOG.info("BLOCK* registerDatanode: " + nodeN);
// nodeN previously served a different data storage,