From 52d7b745c6d95e799542d6409dac30d0418ce8a8 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.

---
 .../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 9515b736a2d..73cc44b31f9 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
@@ -222,6 +222,9 @@ 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);
       }
     }
   }