[
https://issues.apache.org/jira/browse/ARROW-2427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17659454#comment-17659454
]
Rok Mihevc commented on ARROW-2427:
-----------------------------------
This issue has been migrated to [issue
#18534|https://github.com/apache/arrow/issues/18534] on GitHub. Please see the
[migration documentation|https://github.com/apache/arrow/issues/14542] for
further details.
> [C++] ReadAt implementations suboptimal
> ---------------------------------------
>
> Key: ARROW-2427
> URL: https://issues.apache.org/jira/browse/ARROW-2427
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 0.9.0
> Reporter: Antoine Pitrou
> Assignee: Antoine Pitrou
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.10.0
>
>
> The {{ReadAt}} implementations for at least {{OSFile}} and
> {{MemoryMappedFile}} take the file lock and seek. They could instead read
> directly from the given offset, allowing concurrent I/O from multiple threads.
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
