From 4ddd71042a445e64340fe120e5ccf7aa6d13b509 Mon Sep 17 00:00:00 2001
From: Chris Lu <chrislusf@users.noreply.github.com>
Date: Sat, 25 Jul 2020 16:49:52 -0700
Subject: [PATCH] Updated Hadoop Benchmark (markdown)

---
 Hadoop-Benchmark.md | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/Hadoop-Benchmark.md b/Hadoop-Benchmark.md
index 7a26009..08cc6d9 100644
--- a/Hadoop-Benchmark.md
+++ b/Hadoop-Benchmark.md
@@ -39,18 +39,18 @@ The TestDFSIO benchmark is used for measuring I/O (read/write) performance.
 Start the TestDFSIO write tests:
 
 ```
-bin/hadoop jar ./share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.10.0-tests.jar TestDFSIO -write -nrFiles 8 -fileSize 1GB -resFile /tmp/TestDFSIOwrite.txt
+bin/hadoop jar ./share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.10.0-tests.jar TestDFSIO -write -nrFiles 8 -size 32GB -bufferSize 8388608 -resFile /tmp/TestDFSIOwrite.txt
 
 ...
-20/07/17 15:57:08 INFO fs.TestDFSIO: ----- TestDFSIO ----- : write
-20/07/17 15:57:08 INFO fs.TestDFSIO:             Date & time: Fri Jul 17 15:57:08 PDT 2020
-20/07/17 15:57:08 INFO fs.TestDFSIO:         Number of files: 8
-20/07/17 15:57:08 INFO fs.TestDFSIO:  Total MBytes processed: 8192
-20/07/17 15:57:08 INFO fs.TestDFSIO:       Throughput mb/sec: 379.29
-20/07/17 15:57:08 INFO fs.TestDFSIO:  Average IO rate mb/sec: 389.95
-20/07/17 15:57:08 INFO fs.TestDFSIO:   IO rate std deviation: 74.91
-20/07/17 15:57:08 INFO fs.TestDFSIO:      Test exec time sec: 24.05
-20/07/17 15:57:08 INFO fs.TestDFSIO:
+20/07/25 16:48:21 INFO fs.TestDFSIO: ----- TestDFSIO ----- : read
+20/07/25 16:48:21 INFO fs.TestDFSIO:             Date & time: Sat Jul 25 16:48:21 PDT 2020
+20/07/25 16:48:21 INFO fs.TestDFSIO:         Number of files: 8
+20/07/25 16:48:21 INFO fs.TestDFSIO:  Total MBytes processed: 262144
+20/07/25 16:48:21 INFO fs.TestDFSIO:       Throughput mb/sec: 399.16
+20/07/25 16:48:21 INFO fs.TestDFSIO:  Average IO rate mb/sec: 399.34
+20/07/25 16:48:21 INFO fs.TestDFSIO:   IO rate std deviation: 8.56
+20/07/25 16:48:21 INFO fs.TestDFSIO:      Test exec time sec: 659.45
+20/07/25 16:48:21 INFO fs.TestDFSIO:
 ```
 
 ## TestDFSIO read tests
@@ -58,7 +58,7 @@ bin/hadoop jar ./share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.10.0
 Start the TestDFSIO read tests:
 
 ```
-bin/hadoop jar ./share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.10.0-tests.jar TestDFSIO -read -nrFiles 8 -fileSize 1GB -resFile /tmp/TestDFSIOwrite.txt
+bin/hadoop jar ./share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.10.0-tests.jar TestDFSIO -read -nrFiles 8 -size 32GB -bufferSize 8388608 -resFile /tmp/TestDFSIOwrite.txt
 
 ...