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HDFS-14624. When decommissioning a node, log remaining blocks to replicate periodically. Contributed by Stephen O'Donnell. 

(cherry picked from commit 5747f6cff5)
This commit is contained in:
Inigo Goiri 2019-07-11 08:55:44 -07:00 committed by Wei-Chiu Chuang
parent 2eb5865ad1
commit af688579a6
1 changed files with 7 additions and 5 deletions
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12
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeAdminManager.java
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@ -507,8 +507,10 @@ public class DatanodeAdminManager {
namesystem.writeUnlock();
}
if (numBlocksChecked + numNodesChecked > 0) {
LOG.info("Checked {} blocks and {} nodes this tick", numBlocksChecked,
numNodesChecked);
LOG.info("Checked {} blocks and {} nodes this tick. {} nodes are now " +
"in maintenance or transitioning state. {} nodes pending.",
numBlocksChecked, numNodesChecked, outOfServiceNodeBlocks.size(),
pendingNodes.size());
}
}
@ -599,14 +601,14 @@ public class DatanodeAdminManager {
LOG.debug("Node {} is sufficiently replicated and healthy, "
+ "marked as {}.", dn, dn.getAdminState());
} else {
LOG.debug("Node {} {} healthy."
LOG.info("Node {} {} healthy."
+ " It needs to replicate {} more blocks."
+ " {} is still in progress.", dn,
isHealthy ? "is": "isn't", blocks.size(), dn.getAdminState());
}
} else {
LOG.debug("Node {} still has {} blocks to replicate "
+ "before it is a candidate to finish {}.",
LOG.info("Node {} still has {} blocks to replicate "
+ "before it is a candidate to finish {}.",
dn, blocks.size(), dn.getAdminState());
}
} catch (Exception e) {