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https://issues.apache.org/jira/browse/JENA-1212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15384262#comment-15384262
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ASF GitHub Bot commented on JENA-1212:
--------------------------------------
Github user ehedgehog commented on the issue:
https://github.com/apache/jena/pull/157
This http://stackoverflow.com/questions/4633866/is-volatile-expensive
suggests that volatile reads are cheap enough that worrying about
"optimising" by only checking occasionally is bootless. I'll simplify the
code in the next round.
> allow ORDER BY sort to be cancelled
> -----------------------------------
>
> Key: JENA-1212
> URL: https://issues.apache.org/jira/browse/JENA-1212
> Project: Apache Jena
> Issue Type: Improvement
> Components: ARQ
> Reporter: christopher james dollin
> Priority: Minor
> Fix For: Jena 3.1.1
>
>
> When a query with an ORDER BY is cancelled, the component
> Arrays.sort() that sorts the chunk(s) of the result
> bindings runs to completion before the cancel finishes.
> [See QueryIterSort and SortedDataBag.]
> For a large result set, this results in a long wait
> before the cancelled request finally finishes. This
> can be inconvenient.
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