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https://issues.apache.org/jira/browse/JENA-45?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12993202#comment-12993202
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Stephen Allen commented on JENA-45:
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I don't know when a committer will get a chance to look at the patch, so I
don't know if I can answer your question with authority. That being said, I've
corresponded with Andy about the design (see link in issue description) and I
believe I've implemented the feature according to his inputs, so hopefully
there wouldn't have to be too many changes to commit it to the main project.
The one area that needs changes (and was hoping to leave to Andy) was
specifying the temporary directory and threshold via a configuration file.
> Spill to disk SPARQL Update
> ---------------------------
>
> Key: JENA-45
> URL: https://issues.apache.org/jira/browse/JENA-45
> Project: Jena
> Issue Type: New Feature
> Components: ARQ
> Reporter: Stephen Allen
> Attachments: ARQ-Disk-Backed-Updates-r8504.patch
>
>
> Attached is a patch that implements a spill-to-disk container for performing
> SPARQL Update commands. It utilizes a DeferredFileQueue that can
> serialize/deserialize Bindings, Quads, and Triples. Also included are some
> unit tests.
> Items yet to be addressed:
> 1) Read the threshold and temporary file location from a config file
> 2) Examine compression of the bindings/quads/triples to see if we can improve
> I/O speed
> [1]
> http://mail-archives.apache.org/mod_mbox/incubator-jena-dev/201102.mbox/%3C003901cbc22e$2e5c5bc0$8b151340$@com%3E
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