Author: dhruba
Date: Tue Dec 18 11:05:38 2007
New Revision: 605299
URL: http://svn.apache.org/viewvc?rev=605299&view=rev
Log:
HADOOP-2434. FSDatasetInterface read interface causes HDFS reads to occur
in 1 byte chunks, causing performance degradation.
(Raghu Angadi via dhruba)
Modified:
lucene/hadoop/trunk/CHANGES.txt
lucene/hadoop/trunk/src/java/org/apache/hadoop/dfs/FSDatasetInterface.java
Modified: lucene/hadoop/trunk/CHANGES.txt
URL:
http://svn.apache.org/viewvc/lucene/hadoop/trunk/CHANGES.txt?rev=605299&r1=605298&r2=605299&view=diff
==============================================================================
--- lucene/hadoop/trunk/CHANGES.txt (original)
+++ lucene/hadoop/trunk/CHANGES.txt Tue Dec 18 11:05:38 2007
@@ -246,6 +246,10 @@
HADOOP-2376. Prevents sort example from overriding the number of maps.
(Owen O'Malley via ddas)
+ HADOOP-2434. FSDatasetInterface read interface causes HDFS reads to occur
+ in 1 byte chunks, causing performance degradation.
+ (Raghu Angadi via dhruba)
+
Branch 0.15 (unreleased)
BUG FIXES
Modified:
lucene/hadoop/trunk/src/java/org/apache/hadoop/dfs/FSDatasetInterface.java
URL:
http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/java/org/apache/hadoop/dfs/FSDatasetInterface.java?rev=605299&r1=605298&r2=605299&view=diff
==============================================================================
--- lucene/hadoop/trunk/src/java/org/apache/hadoop/dfs/FSDatasetInterface.java
(original)
+++ lucene/hadoop/trunk/src/java/org/apache/hadoop/dfs/FSDatasetInterface.java
Tue Dec 18 11:05:38 2007
@@ -64,8 +64,8 @@
}
@Override
- public int read(byte[] b) throws IOException {
- return inStream.read(b);
+ public int read(byte[] b, int off, int len) throws IOException {
+ return inStream.read(b, off, len);
}
public long getLength() {
