HDFS-16443. Fix edge case where DatanodeAdminDefaultMonitor doubly en…

…queues a DatanodeDescriptor on exception (#3942) Signed-off-by: Akira Ajisaka <[email protected]>
apache · Jan 31, 2022 · 089e06d · 089e06d
1 parent bd50b91
commit 089e06d
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/.../main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeAdminDefaultMonitor.java b/.../main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeAdminDefaultMonitor.java
@@ -275,6 +275,7 @@ private void check() {
             + "{}.", dn, e);
         getPendingNodes().add(dn);
         toRemove.add(dn);
+        unhealthyDns.remove(dn);
       } finally {
         iterkey = dn;
       }