[jira] [Commented] (KAFKA-3170) Default value of fetch_min_bytes in new consumer is 1024 while doc says it is 1

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-3170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15128641#comment-15128641 ] 

ASF GitHub Bot commented on KAFKA-3170:
---------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/kafka/pull/832


> 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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