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Date: Sat, 16 Jan 2010 22:39:54 +0000 (UTC)
From: "Tony Poppleton (JIRA)" <jira@apache.org>
To: dev@hc.apache.org
Subject: [jira] Updated: (HTTPCORE-215) Performance hot spots
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     [ https://issues.apache.org/jira/browse/HTTPCORE-215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tony Poppleton updated HTTPCORE-215:
------------------------------------

    Attachment: Hot spots using version 4.0.jpg

The screenshot entitled "Hot spots using version 4.0" was taken using the latest released distribution of the 4.0 stream.

The two previous screenshots were actually taken on a modified trunk that uses the BasicLineParser patch with a custom parseInt that can be found attached to HTTPCORE-212

It is interesting to note that the String.init dropped from 3rd to 4th hot spot between the screenshots, which implies that the patch is effective at improving performance (although not a proper proof).

> Performance hot spots
> ---------------------
>
>                 Key: HTTPCORE-215
>                 URL: https://issues.apache.org/jira/browse/HTTPCORE-215
>             Project: HttpComponents HttpCore
>          Issue Type: Improvement
>          Components: HttpCore
>            Reporter: Tony Poppleton
>            Priority: Minor
>         Attachments: Hot spots using version 4.0.jpg, screenshot-1.jpg, screenshot-2.jpg
>
>
> Attached is a snapshot of my application running under JProfiler.  My application uses HttpClient extensively, and does many request per second.  It is probably a fairly common use-case of the library under load.
> If anyone has any ideas on how to improve performance on any of the flagged methods, then please create a subtask.
> Thanks

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