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From "Lei (Eddy) Xu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12613) Native EC coder should implement release() as idempotent function.
Date Mon, 16 Oct 2017 17:39:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16206270#comment-16206270
] 

Lei (Eddy) Xu commented on HDFS-12613:
--------------------------------------

[~drankye] Good point. It is very hard for me to find a Windows environment, along with VS
/ C++ within the company. Do you see this as a must ? If it is a strong concern, can we file
a follow on JIRA for it? I am not familiar with Windows. Not sure that native code were supported
on Windows yet. 

> Native EC coder should implement release() as idempotent function.
> ------------------------------------------------------------------
>
>                 Key: HDFS-12613
>                 URL: https://issues.apache.org/jira/browse/HDFS-12613
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: erasure-coding
>    Affects Versions: 3.0.0-beta1
>            Reporter: Lei (Eddy) Xu
>            Assignee: Lei (Eddy) Xu
>         Attachments: HDFS-12613.00.patch, HDFS-12613.01.patch, HDFS-12613.02.patch, HDFS-12613.03.patch,
HDFS-12613.04.patch
>
>
> Recently, we found native EC coder crashes JVM because {{NativeRSDecoder#release()}}
being called multiple times (HDFS-12612 and HDFS-12606). 
> We should strength the implement the native code to make {{release()}} idempotent  as
well.



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