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Posted to jira@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2020/09/03 15:57:00 UTC
[jira] [Resolved] (ARROW-9863) [C++] [PARQUET] Optimize meta data
recovery of ApplicationVersion
[ https://issues.apache.org/jira/browse/ARROW-9863?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Antoine Pitrou resolved ARROW-9863.
-----------------------------------
Resolution: Fixed
Issue resolved by pull request 8107
[https://github.com/apache/arrow/pull/8107]
> [C++] [PARQUET] Optimize meta data recovery of ApplicationVersion
> -----------------------------------------------------------------
>
> Key: ARROW-9863
> URL: https://issues.apache.org/jira/browse/ARROW-9863
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 1.0.0
> Reporter: Pierre Belzile
> Assignee: Antoine Pitrou
> Priority: Minor
> Labels: pull-request-available
> Fix For: 2.0.0
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> The class contains two large regexes which are compiled in the ApplicationVersion::ApplicationVersion(const std:::string) constructor. This is the constructor that is used when reading files.
> I stopped a server in gdb that had been processing several files at once and 4 threads out of 8 were building those regexes!
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