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Posted to common-commits@hadoop.apache.org by sn...@apache.org on 2021/01/21 19:30:39 UTC
[hadoop] branch trunk updated: YARN-10490. yarn top command not
quitting completely with ctrl+c. Contributed by Agshin Kazimli
This is an automated email from the ASF dual-hosted git repository.
snemeth pushed a commit to branch trunk
in repository https://gitbox.apache.org/repos/asf/hadoop.git
The following commit(s) were added to refs/heads/trunk by this push:
new 1ccba37 YARN-10490. yarn top command not quitting completely with ctrl+c. Contributed by Agshin Kazimli
1ccba37 is described below
commit 1ccba3734d1c46aaae1cd3dd4dd504e691771167
Author: Szilard Nemeth <sn...@apache.org>
AuthorDate: Thu Jan 21 20:30:19 2021 +0100
YARN-10490. yarn top command not quitting completely with ctrl+c. Contributed by Agshin Kazimli
---
.../src/main/java/org/apache/hadoop/yarn/client/cli/TopCLI.java | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/TopCLI.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/TopCLI.java
index 79b1406..882d2bf 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/TopCLI.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/TopCLI.java
@@ -444,6 +444,7 @@ public class TopCLI extends YarnCLI {
public static void main(String[] args) throws Exception {
TopCLI topImp = new TopCLI();
+ topImp.addShutdownHook();
topImp.setSysOutPrintStream(System.out);
topImp.setSysErrPrintStream(System.err);
int res = ToolRunner.run(topImp, args);
@@ -492,7 +493,6 @@ public class TopCLI extends YarnCLI {
rmStartTime = getRMStartTime();
}
}
- clearScreen();
return 0;
}
@@ -1220,4 +1220,11 @@ public class TopCLI extends YarnCLI {
byte[] output = IOUtils.toByteArray(p.getInputStream());
return new String(output, "ASCII");
}
+
+ private void addShutdownHook() {
+ //clear screen when the program exits
+ Runtime.getRuntime().addShutdownHook(new Thread(() -> {
+ clearScreen();
+ }));
+ }
}
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