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Posted to jira@arrow.apache.org by "Micah Kornfield (Jira)" <ji...@apache.org> on 2022/07/03 19:16:00 UTC

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

    [ https://issues.apache.org/jira/browse/ARROW-7494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17561933#comment-17561933 ] 

Micah Kornfield commented on ARROW-7494:
----------------------------------------

It still seems like a valid improvement to me, but it has proved to be a little challenging in general.

> [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
>            Priority: Critical
>              Labels: pull-request-available
>          Time Spent: 2h 40m
>  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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