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Posted to common-commits@hadoop.apache.org by ji...@apache.org on 2015/05/05 01:43:32 UTC
[28/33] hadoop git commit: HDFS-7397. Add more detail to the
documentation for the conf key
"dfs.client.read.shortcircuit.streams.cache.size" (Brahma Reddy Battula via
Colin P. McCabe)
HDFS-7397. Add more detail to the documentation for the conf key "dfs.client.read.shortcircuit.streams.cache.size" (Brahma Reddy Battula via Colin P. McCabe)
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/3fe79e1d
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/3fe79e1d
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/3fe79e1d
Branch: refs/heads/HDFS-7240
Commit: 3fe79e1db84391cb17dbed6b579fe9c803b3d1c2
Parents: 7dc3c120
Author: Colin Patrick Mccabe <cm...@cloudera.com>
Authored: Mon May 4 12:50:29 2015 -0700
Committer: Colin Patrick Mccabe <cm...@cloudera.com>
Committed: Mon May 4 12:50:29 2015 -0700
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hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt | 4 ++++
.../hadoop-hdfs/src/main/resources/hdfs-default.xml | 2 +-
2 files changed, 5 insertions(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/3fe79e1d/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index a365b86..21d73ba 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -500,6 +500,10 @@ Release 2.8.0 - UNRELEASED
HDFS-8249. Separate HdfsConstants into the client and the server side
class. (wheat9)
+ HDFS-7397. Add more detail to the documentation for the conf key
+ "dfs.client.read.shortcircuit.streams.cache.size" (Brahma Reddy Battula via
+ Colin P. McCabe)
+
OPTIMIZATIONS
HDFS-8026. Trace FSOutputSummer#writeChecksumChunks rather than
http://git-wip-us.apache.org/repos/asf/hadoop/blob/3fe79e1d/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 f03c0fb..e3e4323 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
@@ -2063,7 +2063,7 @@
<value>256</value>
<description>
The DFSClient maintains a cache of recently opened file descriptors.
- This parameter controls the size of that cache.
+ This parameter controls the maximum number of file descriptors in the cache.
Setting this higher will use more file descriptors,
but potentially provide better performance on workloads
involving lots of seeks.