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Posted to issues@maven.apache.org by "Alexander Ashitkin (Jira)" <ji...@apache.org> on 2019/10/03 04:59:00 UTC
[jira] [Updated] (MNG-6773) Slow extension key creation in
DefaultExtensionRealmCache under lock
[ https://issues.apache.org/jira/browse/MNG-6773?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexander Ashitkin updated MNG-6773:
------------------------------------
Summary: Slow extension key creation in DefaultExtensionRealmCache under lock (was: Slow key creation in DefaultExtensionRealmCache under lock)
> Slow extension key creation in DefaultExtensionRealmCache under lock
> --------------------------------------------------------------------
>
> Key: MNG-6773
> URL: https://issues.apache.org/jira/browse/MNG-6773
> Project: Maven
> Issue Type: Improvement
> Components: Artifacts and Repositories, Dependencies
> Affects Versions: 3.6.2
> Reporter: Alexander Ashitkin
> Priority: Minor
> Time Spent: 10m
> Remaining Estimate: 0h
>
> synchronized method DefaultProjectBuildingHelper#createProjectRealm invokes invoke io under lock:
> {code:java}
> public CacheKey( List<Artifact> extensionArtifacts )
> return new CacheKey( extensionArtifacts );
> public Key createKey( List<Artifact> extensionArtifacts )
> final ExtensionRealmCache.Key extensionKey = extensionRealmCache.createKey( artifacts );
> final ExtensionRealmCache.Key extensionKey = extensionRealmCache.createKey( artifacts );
> extensionRecord = extensionRealmCache.get( extensionKey ); {code}
> That prevents graph build scaling. Having this lock softened allows to build graph faster up to 3..6 times
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