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Posted to dev@jena.apache.org by "Andy Seaborne (JIRA)" <ji...@apache.org> on 2014/09/09 13:21:28 UTC

[jira] [Created] (JENA-782) Provide configurability of TDB in databsse setup

Andy Seaborne created JENA-782:
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             Summary: Provide configurability of TDB in databsse setup
                 Key: JENA-782
                 URL: https://issues.apache.org/jira/browse/JENA-782
             Project: Apache Jena
          Issue Type: Improvement
          Components: TDB
    Affects Versions: Jena 2.12.0
            Reporter: Andy Seaborne
            Assignee: Andy Seaborne


Creating TDB databases and attaching to existsing ones is quite fixed currently.   Any internal paramaters are quite difficult to manipulate and they are globals.

Configurability of TDB databases has two dimensions:

# Initial setup (e.g. block size)
# Per JVM (e.g. cache sizes).

(The file mode is actually a per JVM feature but should probably be regarded as an initial setup feature only.)

With configurability, TDB and Fuseki could be scaled down for small databases and for many small databases in one JVM.



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