Re: Spark Structured Streaming Continuous Trigger Mode React to an External Trigger

2021-03-29 Thread shahrajesh2006
I tried to create a Dataset by loading a file and pass that as argument to java method as below: Dataset propertiesFile// Dataset created by loading a json property file Dataset streamingQuery // Dataset for streaming query streamingQuery.map( row -> myfunction( row, propertiesFile), Enco

Re: Spark Structured Streaming Continuous Trigger Mode React to an External Trigger

2021-03-27 Thread shahrajesh2006
Sorry I don't have a diagram to share. your understanding of how I are using spark application is right. Its kafka topic with 6 partitions, so spark is able to create 6 parallel consumers/executors. Thought of using Airflow is interesting. I will explore this option more. Other idea of using

Re: Spark Structured Streaming Continuous Trigger Mode React to an External Trigger

2021-03-27 Thread Mich Talebzadeh
Hi, Would help if you could include a high level architecture diagram. So as I understand you are running a single broker with 6 partitions (or 6 brokers with one partition (default each). You said your are using continuous triggering mode, meaning as an example foreach(Fore

Spark Structured Streaming Continuous Trigger Mode React to an External Trigger

2021-03-27 Thread shahrajesh2006
I am using Spark(Java) Structured Streaming in Continuous Trigger Mode connecting to Kafka Broker. Usecase is very simple to do some custom filter/transformation using a simple java method and ingest data into an external system. Kafka has 6 partitions -so application is running 6 executors. I h