Apache
/
hadoop
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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)

This commit is contained in:
Colin Patrick Mccabe 2015-05-04 12:50:29 -07:00
parent 7dc3c1203d
commit 3fe79e1db8
2 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
View File

@ -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

2
hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
View File

@ -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.