From 27555620fae3791d9fd24168e346714de8467a1d Mon Sep 17 00:00:00 2001
From: Inigo Goiri <inigoiri@apache.org>
Date: Thu, 19 Dec 2019 09:42:17 -0800
Subject: [PATCH] HDFS-15062. Add LOG when sendIBRs failed. Contributed by Fei
 Hui.

(cherry picked from commit 52d7b745c6d95e799542d6409dac30d0418ce8a8)
---
 .../hdfs/server/datanode/IncrementalBlockReportManager.java    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/IncrementalBlockReportManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/IncrementalBlockReportManager.java
index 1779374f573..0bf75a5d0f5 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/IncrementalBlockReportManager.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/IncrementalBlockReportManager.java
@@ -221,6 +221,9 @@ class IncrementalBlockReportManager {
         // blocks back onto our queue, but only in the case where we
         // didn't put something newer in the meantime.
         putMissing(reports);
+        LOG.warn("Failed to call blockReceivedAndDeleted: {}, nnId: {}"
+            + ", duration(ms): {}", Arrays.toString(reports),
+            nnRpcLatencySuffix, monotonicNow() - startTime);
       }
     }
   }