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Posted to dev@jena.apache.org by "Paolo Castagna (JIRA)" <ji...@apache.org> on 2011/09/05 13:50:10 UTC

[jira] [Assigned] (JENA-45) Spill to disk SPARQL Update

     [ https://issues.apache.org/jira/browse/JENA-45?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paolo Castagna reassigned JENA-45:
----------------------------------

    Assignee: Paolo Castagna

> 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
>            Assignee: Paolo Castagna
>         Attachments: ARQ-Disk-Backed-Updates-r8504.patch, ARQ-Disk-Backed-Updates-r8657.patch, JENA-45-Depends-on-JENA-99-r1157891.patch, JENA-45-Disk-Backed-Updates-r1156193.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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