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https://issues.apache.org/jira/browse/STORM-814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14541222#comment-14541222
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Sriharsha Chintalapani commented on STORM-814:
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[~rajeshkuch] sorry read it the other way round. How is your topology looks
like is it only the Kafkaspout in the topology or are there any bolts. Can you
also post KafkaSpout config.
> Kafka Spout performance
> -----------------------
>
> Key: STORM-814
> URL: https://issues.apache.org/jira/browse/STORM-814
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-kafka
> Affects Versions: 0.9.3
> Environment: Centos, AWS , M3.2xlarge instances
> Reporter: Rajesh Kucharlapati
>
> I am running few test for storm topology with kafka.
> Created a topic with 16 partitions and emitted 10k messages/sec with each
> message 1k size.
> When I set the kafka spout parallelism to 1, I am getting latency of 8.9 ms
> but when i increase the parallelism to 8, I am getting latency of 1.2 sec.
> Settings :
> MAX_SPOUT SPENDING set to 1000-5000
> String zkConnString = "zookeeper1:2181";
> String kafkaTopic = "messages";
> String zkRootPath = "/kafkaStorm";
> String zkOffSetID = "kafka";
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