Repository: hadoop Updated Branches: refs/heads/branch-2 e44569b73 -> 5d7197b2e refs/heads/trunk e1a99802f -> ffa160ddb
HDFS-11547. Add logs for slow BlockReceiver while writing data to disk. Contributed by Xiaobing Zhou. Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/ffa160dd Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/ffa160dd Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/ffa160dd Branch: refs/heads/trunk Commit: ffa160ddb824cbcb8ab6b10ee1414507686e3c63 Parents: e1a9980 Author: Arpit Agarwal <a...@apache.org> Authored: Fri Mar 17 19:02:24 2017 -0700 Committer: Arpit Agarwal <a...@apache.org> Committed: Fri Mar 17 19:02:24 2017 -0700 ---------------------------------------------------------------------- .../org/apache/hadoop/hdfs/server/datanode/BlockReceiver.java | 4 ++++ 1 file changed, 4 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hadoop/blob/ffa160dd/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockReceiver.java ---------------------------------------------------------------------- diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockReceiver.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockReceiver.java index 5852403a..bb6bd55 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockReceiver.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockReceiver.java @@ -711,6 +711,10 @@ class BlockReceiver implements Closeable { streams.writeDataToDisk(dataBuf.array(), startByteToDisk, numBytesToDisk); long duration = Time.monotonicNow() - begin; + if (duration > datanodeSlowLogThresholdMs) { + LOG.warn("Slow BlockReceiver write data to disk cost:" + duration + + "ms (threshold=" + datanodeSlowLogThresholdMs + "ms)"); + } if (duration > maxWriteToDiskMs) { maxWriteToDiskMs = duration; --------------------------------------------------------------------- To unsubscribe, e-mail: common-commits-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-commits-h...@hadoop.apache.org
