Michael Austermann austermann
GrigorievNick
/ GracefulStopOnShutdownListener.scala
Last active
April 10, 2024 14:01
Spark Structure Streaming GraceFullShutdown on Sigterm. Sigterm will not interrupt currently running batch, but due to asynс nature of SparkQueryListner.onProgres method, can interrupt next batch during first few moments.
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| import org.apache.hadoop.util.ShutdownHookManager | |
| import org.apache.spark.sql.streaming.StreamingQueryListener | |
| import org.apache.spark.sql.streaming.StreamingQueryManager | |
| import org.slf4j.LoggerFactory | |
| import java.util.UUID | |
| import java.util.concurrent.ConcurrentHashMap | |
| import java.util.concurrent.SynchronousQueue | |
| import java.util.concurrent.TimeUnit |