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The following commit(s) were added to refs/heads/trunk by this push:
new 73a386a HADOOP-16585. [Tool:NNloadGeneratorMR] Multiple threads are
using same id for creating file LoadGenerator#write. Contributed by Ranith
Sardar.
73a386a is described below
commit 73a386ab761948aa1ae229855e47634897ca984e
Author: Surendra Singh Lilhore <surendralilh...@apache.org>
AuthorDate: Thu Nov 14 01:45:46 2019 +0530
HADOOP-16585. [Tool:NNloadGeneratorMR] Multiple threads are using same id
for creating file LoadGenerator#write. Contributed by Ranith Sardar.
---
.../test/java/org/apache/hadoop/fs/loadGenerator/LoadGenerator.java | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/loadGenerator/LoadGenerator.java
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/loadGenerator/LoadGenerator.java
index b74e75d..4b3bd2f 100644
---
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/loadGenerator/LoadGenerator.java
+++
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/loadGenerator/LoadGenerator.java
@@ -31,6 +31,7 @@ import java.util.ArrayList;
import java.util.Arrays;
import java.util.EnumSet;
import java.util.Random;
+import java.util.UUID;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
@@ -295,7 +296,8 @@ public class LoadGenerator extends Configured implements
Tool {
*/
private void write() throws IOException {
String dirName = dirs.get(r.nextInt(dirs.size()));
- Path file = new Path(dirName, hostname+id);
+ Path file =
+ new Path(dirName, hostname + id + UUID.randomUUID().toString());
double fileSize = 0;
while ((fileSize = r.nextGaussian()+2)<=0) {}
genFile(file, (long)(fileSize*BLOCK_SIZE));
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