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From "Peter Bacsko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-15822) zstd compressor can fail with a small output buffer
Date Tue, 09 Oct 2018 13:23:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-15822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16643416#comment-16643416
] 

Peter Bacsko commented on HADOOP-15822:
---------------------------------------

[~jlowe] you were right, it's not related to zstandard. I reproduced this with other codecs
+ no compression. It's possibly an edge case. 

> zstd compressor can fail with a small output buffer
> ---------------------------------------------------
>
>                 Key: HADOOP-15822
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15822
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 2.9.0, 3.0.0
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>            Priority: Major
>         Attachments: HADOOP-15822.001.patch, HADOOP-15822.002.patch
>
>
> TestZStandardCompressorDecompressor fails a couple of tests on my machine with the latest
zstd library (1.3.5).  Compression can fail to successfully finalize the stream when a small
output buffer is used resulting in a failed to init error, and decompression with a direct
buffer can fail with an invalid src size error.



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