HDFS-9706. Log more details in debug logs in BlockReceiver's constructor. (Xiao Chen via Yongjun Zhang)

(cherry picked from commit 8ee060311c)

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -888,6 +888,9 @@ Release 2.8.0 - UNRELEASED
     HDFS-8898. Create API and command-line argument to get quota and quota
     usage without detailed content summary. (Ming Ma via kihwal)
 
+    HDFS-9706. Log more details in debug logs in BlockReceiver's constructor.
+    (Xiao Chen via Yongjun Zhang)
+
   OPTIMIZATIONS
 
     HDFS-8026. Trace FSOutputSummer#writeChecksumChunks rather than

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockReceiver.java

@@ -184,11 +184,17 @@ class BlockReceiver implements Closeable {
       this.maxSendIdleTime = (long) (readTimeout * 0.9);
       if (LOG.isDebugEnabled()) {
         LOG.debug(getClass().getSimpleName() + ": " + block
-            + "\n  isClient  =" + isClient + ", clientname=" + clientname
-            + "\n  isDatanode=" + isDatanode + ", srcDataNode=" + srcDataNode
-            + "\n  inAddr=" + inAddr + ", myAddr=" + myAddr
+            + "\n storageType=" + storageType + ", inAddr=" + inAddr
+            + ", myAddr=" + myAddr + "\n stage=" + stage + ", newGs=" + newGs
+            + ", minBytesRcvd=" + minBytesRcvd
+            + ", maxBytesRcvd=" + maxBytesRcvd + "\n clientname=" + clientname
+            + ", srcDataNode=" + srcDataNode
+            + ", datanode=" + datanode.getDisplayName()
+            + "\n requestedChecksum=" + requestedChecksum
             + "\n cachingStrategy=" + cachingStrategy
-            + "\n  pinning=" + pinning
+            + "\n allowLazyPersist=" + allowLazyPersist + ", pinning=" + pinning
+            + ", isClient=" + isClient + ", isDatanode=" + isDatanode
+            + ", responseInterval=" + responseInterval
         );
       }