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Posted to dev@marmotta.apache.org by "Jakob Frank (JIRA)" <ji...@apache.org> on 2018/06/18 19:36:01 UTC

[jira] [Closed] (MARMOTTA-166) KiWiStore ValueFactory performs badly in multi-threaded, high-load imports

     [ https://issues.apache.org/jira/browse/MARMOTTA-166?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jakob Frank closed MARMOTTA-166.
--------------------------------

Bulk cleanup (close issues for released versions)

> KiWiStore ValueFactory performs badly in multi-threaded, high-load imports
> --------------------------------------------------------------------------
>
>                 Key: MARMOTTA-166
>                 URL: https://issues.apache.org/jira/browse/MARMOTTA-166
>             Project: Marmotta
>          Issue Type: Bug
>          Components: KiWi Triple Store
>            Reporter: Sebastian Schaffert
>            Assignee: Sebastian Schaffert
>            Priority: Minor
>             Fix For: 3.0-incubating
>
>
> The KiWiStore currently uses a single dedicated database connection for implementing the value factory. On highly parallel systems with parallel imports, this can be the single bottleneck, because the value factory potentially needs to check the database for every node that is created.
> To improve the performance, we could instead use a pool of value factories, each having their own database connection.



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