[jira] [Closed] (JENA-2228) Does Fuseki2 use TDB indexes or indexes for in-memory store?

["Andy Seaborne (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/JENA-2228?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Seaborne closed JENA-2228.
-------------------------------
    Resolution: Information Provided

> Does Fuseki2 use TDB indexes or indexes for in-memory store?
> ------------------------------------------------------------
>
>                 Key: JENA-2228
>                 URL: https://issues.apache.org/jira/browse/JENA-2228
>             Project: Apache Jena
>          Issue Type: Question
>          Components: Fuseki, TDB
>    Affects Versions: Jena 3.17.0
>         Environment: I am running the jena-fuseki-server-3.17.0.jar file from jena-fuseki2/jena-fuseki-server/target/ as follows
> {code:java}
> java -Xmx500g -jar fuseki-jenaclone.jar --tdb2 --loc=db/jena --timeout=1000000 /jena &{code}
>            Reporter: Martin Pekár
>            Priority: Major
>
> Based on logging messages inserted into various places in the indexes in the TDB module (NodeTupleTableConcrete, TupleIndexBase, NodeTableNative, BPlusTree), I can see that the B+ tree is only used once per query. I have inserted logging messages for every finding method to see which classes are used when querying. I would expect to the the B+ tree be used several times per query.
>  
> I use the error logging level, and I inserted logging in the class constructors to make sure logging worked. I see construction of all the index classes.



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