[jira] [Created] (APEXMALHAR-2169) KafkaInputOperator: Dynamic partition is not working in case of ONE_TO_MANY partition strategy

["Chaitanya (JIRA)" <ji...@apache.org>]

Chaitanya created APEXMALHAR-2169:
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             Summary: KafkaInputOperator: Dynamic partition is not working in case of ONE_TO_MANY partition strategy
                 Key: APEXMALHAR-2169
                 URL: https://issues.apache.org/jira/browse/APEXMALHAR-2169
             Project: Apache Apex Malhar
          Issue Type: Bug
            Reporter: Chaitanya
            Assignee: Chaitanya


Dynamic Partition is not working in case of ONE_TO_MANY partition strategy.
Affected Operator: AbstractKafkaInputOperator (0.8 version)

Steps to reproduce: 
(1) Created a topic with 3 partitions
(2) Created an application as  KAFKA -> Console with below configuration:
       strategy : one_to_many
       initialPartitionCount: 2
(3) Launched the above application.
(4) After some time, re-partition the topic to 5

Observations:
(1) Operator re-partitioning is not happened.
(2) Operator is not emitting the messages.
(3) Following warning messages in log:
INFO com.datatorrent.contrib.kafka.AbstractKafkaInputOperator: [ONE_TO_MANY]: Repartition the operator(s) under 9223372036854775807 msgs/s and 9223372036854775807 bytes/s hard limit
WARN com.datatorrent.stram.plan.physical.PhysicalPlan: Empty partition list after repartition: OperatorMeta{name=Input, operator=com.datatorrent.contrib.kafka.KafkaSinglePortByteArrayInputOperator@1b822fcc, attributes={Attribute{defaultValue=1024, name=com.datatorrent.api.Context.OperatorContext.MEMORY_MB, codec=com.datatorrent.api.StringCodec$Integer2String@4682eba5}=1024}}



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