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https://issues.apache.org/jira/browse/IO-296?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Oleg Kalnichevski updated IO-296:
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Attachment: commons-io-readerinputstream-optimization.patch
The proposed patch should improve efficiency and (potentially) performance of
ReaderInputStream reading small chunks of data.
Please review.
Oleg
> ReaderInputStream optimization: more efficient reading of small chunks of data
> ------------------------------------------------------------------------------
>
> Key: IO-296
> URL: https://issues.apache.org/jira/browse/IO-296
> Project: Commons IO
> Issue Type: Improvement
> Affects Versions: 2.1
> Reporter: Oleg Kalnichevski
> Attachments: commons-io-readerinputstream-optimization.patch
>
>
> ReaderInputStream in its current form does not efficiently handle reading of
> small data chunks. #read(byte[] b, int off, int len) methods compacts
> encoderOut on every read operation, which is not very efficient if the chunks
> of data being read are smallish. This especially affects the #read() method,
> which currently reads one byte of data into a temporary byte array. Not to
> mention that allocation of a temporary byte array on each #read() method
> invocation leads to generation of unnecessary intermediate garbage on the
> heap.
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