Elasticity and state migration: Part I - CS 591 K1: Data Stream Processing and Analytics Spring 2020complete state is migrated Helpers buffer data that cannot yet be safely routed and configuration commands that cannot yet be applied Live state migration ??? Vasiliki Kalavri | Boston University 2020 complete state is migrated Helpers buffer data that cannot yet be safely routed and configuration commands that cannot yet be applied Live state migration Can we apply this mechanism in Flink? ???0 码力 | 93 页 | 2.42 MB | 1 年前3- PyFlink 1.15 Documentationorg.apache.flink.api.python.shaded.py4j.commands.AbstractCommand. ˓→invokeMethod(AbstractCommand.java:132) at org.apache.flink.api.python.shaded.py4j.commands.CallCommand.execute(CallCommand. ˓→java:79)0 码力 | 36 页 | 266.77 KB | 1 年前3
- PyFlink 1.16 Documentationorg.apache.flink.api.python.shaded.py4j.commands.AbstractCommand. ˓→invokeMethod(AbstractCommand.java:132) at org.apache.flink.api.python.shaded.py4j.commands.CallCommand.execute(CallCommand. ˓→java:79)0 码力 | 36 页 | 266.80 KB | 1 年前3
- Introduction to Apache Flink and Apache Kafka - CS 591 K1: Data Stream Processing and Analytics Spring 2020--input file:///home/user/hamlet.txt --output file:///home/user/wordcount_out 19 Flink commands Vasiliki Kalavri | Boston University 2020 Resources • Documentation • https://flink.apache0 码力 | 26 页 | 3.33 MB | 1 年前3
- Scalable Stream Processing - Spark Streaming and FlinkAggregation df.groupBy("action") // using untyped API ds.groupByKey(_.action) // using typed API // SQL commands df.createOrReplaceTempView("dfView") spark.sql("select count(*) from dfView") // returns another0 码力 | 113 页 | 1.22 MB | 1 年前3
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