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From w...@apache.org
Subject hadoop git commit: HDFS-13719. Docs around dfs.image.transfer.timeout are misleading. Contributed by Kitti Nansi.
Date Mon, 09 Jul 2018 13:18:09 GMT
Repository: hadoop
Updated Branches:
  refs/heads/branch-2 512d20e9c -> 913417bbe

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

Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/913417bb
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/913417bb
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/913417bb

Branch: refs/heads/branch-2
Commit: 913417bbeab558154fbcc833af54664e7eeba97e
Parents: 512d20e
Author: Andrew Wang <wang@apache.org>
Authored: Mon Jul 9 15:17:26 2018 +0200
Committer: Andrew Wang <wang@apache.org>
Committed: Mon Jul 9 15:17:26 2018 +0200

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

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 07c1a54..c8f63fc 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
@@ -1235,11 +1235,10 @@
-        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.
@@ -1250,9 +1249,7 @@
         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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