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From "Kevin Oliver (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AVRO-557) Speed up one-time data decoding
Date Thu, 03 Jun 2010 16:00:59 GMT

    [ https://issues.apache.org/jira/browse/AVRO-557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12875168#action_12875168
] 

Kevin Oliver commented on AVRO-557:
-----------------------------------

Yeah. I had noticed my mistaken naming a few hours later. Interesting. 

Where does the buffer size get used though? I'm looking at DecoderFactory.createBinaryDecoder(byte[],
int, int, BinaryDecoder) and it never passes the DecoderFactory's binaryDecoderBufferSize
over to the BinaryDecoder. 

> Speed up one-time data decoding
> -------------------------------
>
>                 Key: AVRO-557
>                 URL: https://issues.apache.org/jira/browse/AVRO-557
>             Project: Avro
>          Issue Type: Improvement
>          Components: java
>    Affects Versions: 1.3.2
>            Reporter: Kevin Oliver
>            Assignee: Kevin Oliver
>             Fix For: 1.4.0
>
>         Attachments: AVRO-557.patch
>
>
> There are big gains to be had in performance when using a BinaryDecoder and a GenericDatumReader
just one time. This is due to the relatively expensive parsing and initialization that came
with 1.3. Patch with example code and a Perf harness to follow.

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