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From "Lei (Eddy) Xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12613) Native EC coder should implement release() as idempotent function.
Date Thu, 12 Oct 2017 22:44:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12613?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Lei (Eddy) Xu updated HDFS-12613:
    Attachment: HDFS-12613.03.patch

Thanks for the suggestion, [~Sammi]. Add checks into java code as well, also this patch propagates
{{IOException}} for {{decode()}} / {{encode()}}. 

Would you mind to give another review? [~Sammi] and [~drankye] 

> 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
> 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

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