HDFS-14822. [SBN read] Revisit GlobalStateIdContext locking when gett…

…ing server state id. Contributed by Chen Liang.
apache · Sep 18, 2019 · 4ed0aef · 4ed0aef
1 parent f16eb09
commit 4ed0aef
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/...adoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/GlobalStateIdContext.java b/...adoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/GlobalStateIdContext.java
@@ -165,7 +165,9 @@ public long receiveRequestState(RpcRequestHeaderProto header,
 
   @Override
   public long getLastSeenStateId() {
-    return namesystem.getFSImage().getCorrectLastAppliedOrWrittenTxId();
+    // Should not need to call getCorrectLastAppliedOrWrittenTxId()
+    // see HDFS-14822.
+    return namesystem.getFSImage().getLastAppliedOrWrittenTxId();
   }
 
   @Override