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Posted to common-issues@hadoop.apache.org by "Kai Sasaki (JIRA)" <ji...@apache.org> on 2016/10/05 14:00:29 UTC
[jira] [Commented] (HADOOP-13665) Erasure Coding codec should
support fallback coder
[ https://issues.apache.org/jira/browse/HADOOP-13665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15548793#comment-15548793 ]
Kai Sasaki commented on HADOOP-13665:
-------------------------------------
[~jojochuang] Sorry for late update. It seems good to fallback multiple coder like {{CryptoCodec}}.
After merging HADOOP-13061, I'll work on this.
> Erasure Coding codec should support fallback coder
> --------------------------------------------------
>
> Key: HADOOP-13665
> URL: https://issues.apache.org/jira/browse/HADOOP-13665
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: io
> Reporter: Wei-Chiu Chuang
> Labels: hdfs-ec-3.0-must-do
>
> The current EC codec supports a single coder only (by default pure Java implementation). If the native coder is specified but is unavailable, it should fallback to pure Java implementation.
> One possible solution is to follow the convention of existing Hadoop native codec, such as transport encryption (see {{CryptoCodec.java}}). It supports fallback by specifying two or multiple coders as the value of property, and loads coders in order.
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