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https://issues.apache.org/jira/browse/JENA-266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13399110#comment-13399110
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Paul Gearon edited comment on JENA-266 at 6/22/12 4:45 AM:
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Attached a new patch to test HashIndexTable, LinearIndex and IndexFactory.
Patch also added some comments and hubris to each of the index classes to
explain their purpose. Fixed a copy/paste typo in QueryIter2
was (Author: quoll):
Tests for HashIndexTable, LinearIndex and IndexFactory.
Added some comments and hubris to each of the index classes to explain their
purpose.
Fixed a copy/paste typo in QueryIter2
> 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, 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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