lzh9 created FLINK-11213:
----------------------------
Summary: Is there any condition that large amount of redis
connection created on each TM?
Key: FLINK-11213
URL: https://issues.apache.org/jira/browse/FLINK-11213
Project: Flink
Issue Type: Task
Reporter: lzh9
In the job, large amount of redis connections are created on each TM, is there
some ideas? code like:
def main(args:Array[String]): Unit = {
val env = StreamExecutionEnvironment.getExecutionEnvironment
env.addSource(new Source).setParallelism(4).addSink(new
Sinker).setParallelism(4)
env.execute()
}
class Sinker extends RichSinkFunction[String]{
lazy val applicationContext = new
ClassPathXmlApplicationContext("application-redis-context.xml")
lazy val redisTemplate =applicationContext.getBean("redisTemplate",
classOf[RedisTemplate[String, String]])
override def invoke(value: String, context: SinkFunction.Context[_]): Unit = {
val value = redisTemplate.opsForValue().get("key01")
println(value)
}
}
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