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Killing Multiple YARN Applications at Once

The Big Data in Real World team doesn’t have time to mess around:

If you work with Apache Hadoop, you may find yourself needing to kill multiple YARN applications at once. While you can kill them one by one using the yarn application -kill command, this can be a tedious and time-consuming process. Fortunately, there is a faster way to kill multiple YARN applications at once using the yarn application command in combination with awk.

Click through to see how. I will say, though, remembering some of these sed+grep+awk solutions I’ve written in the past makes me happy that Powershell is object-based…