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https://issues.apache.org/jira/browse/JENA-218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexander Dutton updated JENA-218:
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Attachment: config-tdb.ttl
jena-218-1.diff
First go at a patch, and a config file that enables the new functionality. I've
got SPARQL_ServletBase passing a DatasetRef in place of a DatasetGraph to
perform (though the default implementation calls perform with the previous
signature for compatibility).
The reporting of the length of the timeout when returning the 408 is currently
wrong, as it doesn't take into account any user-provided timeout. I'm not quite
sure of the best way to get the actual timeout into the right place without
changing rather a lot (one would be to include the QueryExecution or timeout
value as a member of the QueryExecutionCancelled exception).
Still got to work on the documentation. Do we need tests?
> Fuseki should allow timeouts to be specified on a per-request basis
> -------------------------------------------------------------------
>
> Key: JENA-218
> URL: https://issues.apache.org/jira/browse/JENA-218
> Project: Apache Jena
> Issue Type: Improvement
> Components: Fuseki
> Affects Versions: Fuseki 0.2.1
> Reporter: Alexander Dutton
> Labels: needsdocumentation, timeout
> Attachments: config-tdb.ttl, jena-218-1.diff
>
>
> A query endpoint might want to have different timeouts depending on whether
> queries are from untrusted or trusted users, or maintenance processes. The
> timeout could be passed with an X- header, a Timeout header as per
> http://tools.ietf.org/html/draft-loreto-http-timeout-00, or a query
> parameter, respecting the system default if none is provided. The query
> parameter might be less favourable as it'd be harder to filter out for Fuseki
> instances behind Apache.
> There is a risk that changing the behaviour to allow timeouts to be
> overridden will lead to DoSs of query endpoints open to the world to some
> extent. This can be mitigated by defaulting to disallowing timeout overrides.
> I'm happy to put a patch together and document it at
> http://incubator.apache.org/jena/documentation/serving_data/.
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