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Posted to issues@ozone.apache.org by "YiSheng Lien (Jira)" <ji...@apache.org> on 2019/12/12 22:42:00 UTC
[jira] [Commented] (HDDS-2703) OzoneFSInputStream to support
ByteBufferReadable
[ https://issues.apache.org/jira/browse/HDDS-2703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16995169#comment-16995169 ]
YiSheng Lien commented on HDDS-2703:
------------------------------------
Note:
Cause the current dependency version of Hadoop in Ozone is 3.2.0,
I don't implement {{ByteBufferPositionedReadable}} for now. (Supported in Hadoop 3.3.0)
The same is {{StreamCapabilities}}, the {{StreamCapabilities}} support {{StreamCapabilities.READBYTEBUFFER}} for Hadoop 3.3.0 now.
Should we create a JIRA for these ?
> OzoneFSInputStream to support ByteBufferReadable
> ------------------------------------------------
>
> Key: HDDS-2703
> URL: https://issues.apache.org/jira/browse/HDDS-2703
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Reporter: Wei-Chiu Chuang
> Assignee: YiSheng Lien
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> This was found by [~cxorm] via HDDS-2443.
> ByteBufferReadable could help certain application performance, such as Impala. (See HDFS-14111)
> Additionally, if we support ByteBufferPositionedReadable, it would benefit HBase. (see HDFS-3246)
> Finally, we should add StreamCapabilities to let client probe for these abilities. (See HDFS-11644)
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