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https://issues.apache.org/jira/browse/HTTPCORE-645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17176440#comment-17176440
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Oleg Kalnichevski commented on HTTPCORE-645:
--------------------------------------------

[~ckozak] Is not chunk size already configurable with  
{{Http1Config#chunkSizeHint}}?

Oleg

> Increase default chunked request body chunk size
> ------------------------------------------------
>
>                 Key: HTTPCORE-645
>                 URL: https://issues.apache.org/jira/browse/HTTPCORE-645
>             Project: HttpComponents HttpCore
>          Issue Type: Improvement
>          Components: HttpCore
>    Affects Versions: 5.0.1
>            Reporter: Carter Kozak
>            Priority: Minor
>
> Currently the default value is 2 KiB, which is relatively small as discussed 
> in 
> [https://github.com/apache/httpcomponents-core/pull/206#discussion_r462154831]
> Creating this ticket to discuss using a larger default value. The drawback to 
> increasing the chunk size is that the chunk cache buffer is created for each 
> request entity stream unlike the session buffer which is associated with a 
> potentially persistent connection. This will result in higher allocation 
> pressure for chunked request heavy uses, especially when the chunked request 
> body may be much smaller than the chunk hint size. In order to work around 
> this, the connection may create a reusable buffer based on the chunk hint 
> which is reused across requests.
> Open questions:
> Should we increase the default chunk size?
> What value should we use?



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