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https://issues.apache.org/jira/browse/JENA-266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13398610#comment-13398610
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Andy Seaborne commented on JENA-266:
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(we are off topic!)
That gets caught by the overnight build (which is the release build BTW).
It's two cycles - inner one is per module (supposed quick feedback but of
course we all remember to run the per-module tests before commit don't we :-).
The outer cycle is the dev buidl of everything from scratch.
Unfortunately, the dev build then causes all the modules dependencies to change
and they all rebuild (at a time when the system is quiet-ish).
> MINUS operations too slow
> -------------------------
>
> Key: JENA-266
> URL: https://issues.apache.org/jira/browse/JENA-266
> Project: Apache Jena
> Issue Type: Improvement
> Components: ARQ
> Reporter: Paul Gearon
> Assignee: Rob Vesse
> Attachments: arq.patch
>
>
> MINUS operations use an N^2 algorithm when evaluating. Despite the data being
> placed on the heap, an operating removing ~100k bindings from ~500k bindings
> takes >15 minutes on desktop systems (15 minutes being the time at which the
> process is killed. It may take significantly longer).
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