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Posted to common-issues@hadoop.apache.org by "Mukund Thakur (Jira)" <ji...@apache.org> on 2022/06/22 20:22:00 UTC

[jira] [Commented] (HADOOP-18103) High performance vectored read API in Hadoop

    [ https://issues.apache.org/jira/browse/HADOOP-18103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17557679#comment-17557679 ] 

Mukund Thakur commented on HADOOP-18103:
----------------------------------------

merged in trunk https://github.com/apache/hadoop/commit/e1842b2a749d79cbdc15c524515b9eda64c339d5

> High performance vectored read API in Hadoop
> --------------------------------------------
>
>                 Key: HADOOP-18103
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18103
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: common, fs, fs/adl, fs/s3
>            Reporter: Mukund Thakur
>            Assignee: Mukund Thakur
>            Priority: Major
>              Labels: perfomance, pull-request-available
>         Attachments: Vectored Read API for Hadoop FS_INCOMPLETE.pdf
>
>          Time Spent: 1.5h
>  Remaining Estimate: 0h
>
> Add support for multiple ranged vectored read api in PositionedReadable. The default iterates through the ranges to read each synchronously, but the intent is that FSDataInputStream subclasses can make more efficient readers especially object stores implementation.



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