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From aajis...@apache.org
Subject hadoop git commit: HDFS-13719. Docs around dfs.image.transfer.timeout are misleading. Contributed by Kitti Nansi.
Date Tue, 30 Oct 2018 01:21:16 GMT
Repository: hadoop
Updated Branches:
  refs/heads/branch-2.9 f79470e69 -> ce602fa84


HDFS-13719. Docs around dfs.image.transfer.timeout are misleading. Contributed by Kitti Nansi.

(cherry picked from commit 913417bbeab558154fbcc833af54664e7eeba97e)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/ce602fa8
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/ce602fa8
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/ce602fa8

Branch: refs/heads/branch-2.9
Commit: ce602fa845552e2b5883214f5004e6061e6d5108
Parents: f79470e
Author: Andrew Wang <wang@apache.org>
Authored: Mon Jul 9 15:17:26 2018 +0200
Committer: Akira Ajisaka <aajisaka@apache.org>
Committed: Tue Oct 30 10:20:53 2018 +0900

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 .../hadoop-hdfs/src/main/resources/hdfs-default.xml    | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/ce602fa8/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
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diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml b/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
index b9c21e6..4b9cf4a 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
@@ -1244,11 +1244,10 @@
   <name>dfs.image.transfer.timeout</name>
   <value>60000</value>
   <description>
-        Socket timeout for image transfer in milliseconds. This timeout and the related
-        dfs.image.transfer.bandwidthPerSec parameter should be configured such
-        that normal image transfer can complete successfully.
-        This timeout prevents client hangs when the sender fails during
-        image transfer. This is socket timeout during image transfer.
+        Socket timeout for the HttpURLConnection instance used in the image
+        transfer. This is measured in milliseconds.
+        This timeout prevents client hangs if the connection is idle
+        for this configured timeout, during image transfer.
   </description>
 </property>
 
@@ -1259,9 +1258,7 @@
         Maximum bandwidth used for regular image transfers (instead of
         bootstrapping the standby namenode), in bytes per second.
         This can help keep normal namenode operations responsive during
-        checkpointing. The maximum bandwidth and timeout in
-        dfs.image.transfer.timeout should be set such that normal image
-        transfers can complete successfully.
+        checkpointing.
         A default value of 0 indicates that throttling is disabled.
         The maximum bandwidth used for bootstrapping standby namenode is
         configured with dfs.image.transfer-bootstrap-standby.bandwidthPerSec.


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