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Posted to issues@arrow.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2019/08/28 22:49:00 UTC

[jira] [Updated] (ARROW-6381) [C++] BufferOutputStream::Write is slow for many small writes

     [ https://issues.apache.org/jira/browse/ARROW-6381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated ARROW-6381:
----------------------------------
    Labels: pull-request-available  (was: )

> [C++] BufferOutputStream::Write is slow for many small writes
> -------------------------------------------------------------
>
>                 Key: ARROW-6381
>                 URL: https://issues.apache.org/jira/browse/ARROW-6381
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Wes McKinney
>            Assignee: Wes McKinney
>            Priority: Critical
>              Labels: pull-request-available
>             Fix For: 0.15.0
>
>
> {{Write}} calls into {{BufferOutputStream::Reserve}} which does a surprising amount of work. I suggest streamlining the implementation and adding benchmarks for the many-small-writes case



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