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YARN-10490. yarn top command not quitting completely with ctrl+c. Contributed by Agshin Kazimli

This commit is contained in:
Szilard Nemeth 2021-01-21 20:30:19 +01:00
parent e2f8503ebd
commit 1ccba3734d
1 changed files with 8 additions and 1 deletions
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9
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/TopCLI.java
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@ -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();
}));
}
}