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Posted to dev@jena.apache.org by "Stephen Allen (JIRA)" <ji...@apache.org> on 2011/03/29 21:02:05 UTC

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

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

Stephen Allen updated JENA-45:
------------------------------

    Attachment: ARQ-Disk-Backed-Updates-r8657.patch

Updated patch against trunk revision 8657.

> 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, ARQ-Disk-Backed-Updates-r8657.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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