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https://issues.apache.org/jira/browse/KAFKA-267?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yang Ye updated KAFKA-267:
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Attachment: kafka_267_additional.diff
This is a follow up patch in order to simulate real data load. Before we
generate sequential messages padded with a series of character "x"'s, which
leads to very good compression ratio which is not typical in real case. So we
want to generate random payload.
To give a comparison: sending 400 messages with batch size 200, before the data
size is 48800 bytes, after the patch the size is 65600 bytes.
> Enhance ProducerPerformance to generate unique random Long value for payload
> ----------------------------------------------------------------------------
>
> Key: KAFKA-267
> URL: https://issues.apache.org/jira/browse/KAFKA-267
> Project: Kafka
> Issue Type: Improvement
> Reporter: John Fung
> Assignee: Yang Ye
> Fix For: 0.8
>
> Attachments: kafka_267_additional.diff, kafka-267-v1.patch,
> kafka-267-v2.patch, kafka-267-v3.patch, kafka-267-v4.patch,
> kafka-267-v5.patch, kafka-267-v6.patch, kafka-267-v7.patch
>
>
> This is achieved by:
> 1. Adding a new class UniqueRandom to shuffle a range of numbers.
> 2. An optional new argument "start-index" is added to specify the starting
> number of the range to be shuffled. If this argument is omitted, it is
> defaulted to 1. So it is backward compatible with the argument options.
> 3. The ending number of the range is the starting number + number of messages
> - 1.
> Other ProducerPerformance advancement:
> 1. producing to multiple topics
> 2. supporting multiple instances of producer performance ( and distinguishes
> them)
> 3. allowing waiting some time after sending a request
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