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Posted to dev@apex.apache.org by "Chaitanya (JIRA)" <ji...@apache.org> on 2016/07/27 11:54:20 UTC
[jira] [Commented] (APEXMALHAR-2169) KafkaInputOperator: Dynamic
partition is not working in case of ONE_TO_MANY partition strategy
[ https://issues.apache.org/jira/browse/APEXMALHAR-2169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15395512#comment-15395512 ]
Chaitanya commented on APEXMALHAR-2169:
---------------------------------------
Issue is in partitioning based on throughput. kPIntakeRate list is empty because of the lastwindowedStas may not contain counters.
> 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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