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https://issues.apache.org/jira/browse/DRILL-6053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16398887#comment-16398887
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ASF GitHub Bot commented on DRILL-6053:
---------------------------------------
Github user vrozov commented on a diff in the pull request:
https://github.com/apache/drill/pull/1163#discussion_r174533741
--- Diff: pom.xml ---
@@ -259,7 +259,13 @@
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-checkstyle-plugin</artifactId>
<version>2.12.1</version>
- <configuration>
+ <dependencies>
+ <dependency>
+ <groupId>com.puppycrawl.tools</groupId>
+ <artifactId>checkstyle</artifactId>
+ <version>5.9</version>
+ </dependency>
+ </dependencies> <configuration>
--- End diff --
1. thanks for catching
2. each version of `maven-checkstyle-plugin` is preconfigured with a
specific version of checkstyle (2.12.1 uses 5.7) that can be overridden by
specifying that dependency explicitly.
> Avoid excessive locking in LocalPersistentStore
> -----------------------------------------------
>
> Key: DRILL-6053
> URL: https://issues.apache.org/jira/browse/DRILL-6053
> Project: Apache Drill
> Issue Type: Improvement
> Reporter: Vlad Rozov
> Assignee: Vlad Rozov
> Priority: Major
> Fix For: 1.14.0
>
>
> When query profiles are written to LocalPersistentStore, the write is
> unnecessary serialized due to read/write lock that was introduced for
> versioned PersistentStore. Only versioned access needs to be protected by
> read/write lock.
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