HDFS-11363. Need more diagnosis info when seeing Slow waitForAckedSeqno.

vliviu · Feb 2, 2017 · 0914fcc · 0914fcc
1 parent 3433f57
commit 0914fcc
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/...op-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DataStreamer.java b/...op-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DataStreamer.java
@@ -865,8 +865,9 @@ void waitForAckedSeqno(long seqno) throws IOException {
       }
       long duration = Time.monotonicNow() - begin;
       if (duration > dfsclientSlowLogThresholdMs) {
-        LOG.warn("Slow waitForAckedSeqno took " + duration
-            + "ms (threshold=" + dfsclientSlowLogThresholdMs + "ms)");
+        LOG.warn("Slow waitForAckedSeqno took {}ms (threshold={}ms). File being"
+                + " written: {}, block: {}, Write pipeline datanodes: {}.",
+            duration, dfsclientSlowLogThresholdMs, src, block, nodes);
       }
     }
   }