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https://issues.apache.org/jira/browse/KAFKA-3170?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajini Sivaram updated KAFKA-3170:
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Status: Patch Available (was: Open)
> Default value of fetch_min_bytes in new consumer is 1024 while doc says it is
> 1
> -------------------------------------------------------------------------------
>
> Key: KAFKA-3170
> URL: https://issues.apache.org/jira/browse/KAFKA-3170
> Project: Kafka
> Issue Type: Bug
> Components: consumer
> Affects Versions: 0.9.0.0
> Reporter: Rajini Sivaram
> Assignee: Rajini Sivaram
>
> FETCH_MIN_BYTES_DOC says:
> {quote}
> The minimum amount of data the server should return for a fetch request. If
> insufficient data is available the request will wait for that much data to
> accumulate before answering the request. The default setting of 1 byte means
> that fetch requests are answered as soon as a single byte of data is
> available or the fetch request times out waiting for data to arrive. Setting
> this to something greater than 1 will cause the server to wait for larger
> amounts of data to accumulate which can improve server throughput a bit at
> the cost of some additional latency.
> {quote}
> But the default value is actually set to 1024. Either the doc or the value
> needs to be changed. Perhaps 1 is a better default?
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