[jira] [Commented] (ARROW-7494) [Java] Remove reader index and writer index from ArrowBuf

["Neal Richardson (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-7494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17264388#comment-17264388 ] 

Neal Richardson commented on ARROW-7494:
----------------------------------------

Still valid? The pull request is very stale and has lots of conflicts with master.

> [Java] Remove reader index and writer index from ArrowBuf
> ---------------------------------------------------------
>
>                 Key: ARROW-7494
>                 URL: https://issues.apache.org/jira/browse/ARROW-7494
>             Project: Apache Arrow
>          Issue Type: Task
>          Components: Java
>            Reporter: Jacques Nadeau
>            Assignee: Ji Liu
>            Priority: Critical
>              Labels: pull-request-available
>             Fix For: 3.0.0
>
>          Time Spent: 2h 20m
>  Remaining Estimate: 0h
>
> Reader and writer index and functionality doesn't belong on a chunk of memory and is due to inheritance from ByteBuf. As part of removing ByteBuf inheritance, we should also remove reader and writer indexes from ArrowBuf functionality. It wastes heap memory for rare utility. In general, a slice can be used instead of a reader/writer index pattern.



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