hadoop-hdfs-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-8902) Uses ByteBuffer on heap or direct ByteBuffer according to used erasure coder in striping read (position and stateful)
Date Fri, 04 Dec 2015 08:23:11 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8902?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kai Zheng resolved HDFS-8902.
-----------------------------
    Resolution: Duplicate

> Uses ByteBuffer on heap or direct ByteBuffer according to used erasure coder in striping
read (position and stateful)
> ---------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-8902
>                 URL: https://issues.apache.org/jira/browse/HDFS-8902
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>            Assignee: Kai Zheng
>
> We would choose ByteBuffer on heap or direct ByteBuffer according to used erasure coder
in striping read (position and stateful), for performance consideration. Pure Java implemented
coder favors on heap one, though native coder likes more direct one, avoiding data copy.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message