MAPREDUCE-4985. Add compression option to TestDFSIO usage. Contributed by Plamen Jeliazkov.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1467145 13f79535-47bb-0310-9956-ffa450edef68

hadoop-mapreduce-project/CHANGES.txt

@@ -192,6 +192,9 @@ Release 2.0.5-beta - UNRELEASED
     time delta between the end of the shuffle and the start of the reduce.
     (Omkar Vinit Joshi via vinodkv)
 
+    MAPREDUCE-4985. Add compression option to TestDFSIO usage.
+    (Plamen Jeliazkov via shv)
+
   OPTIMIZATIONS
 
   BUG FIXES

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/fs/TestDFSIO.java

@@ -99,6 +99,7 @@ public class TestDFSIO implements Tool {
                     " [genericOptions]" +
                     " -read [-random | -backward | -skip [-skipSize Size]] |" +
                     " -write | -append | -clean" +
+                    " [-compression codecClassName]" +
                     " [-nrFiles N]" +
                     " [-size Size[B|KB|MB|GB|TB]]" +
                     " [-resFile resultFileName] [-bufferSize Bytes]";