[jira] [Closed] (JENA-898) Building w/tests on Windows requires a lot of disk space

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

     [ https://issues.apache.org/jira/browse/JENA-898?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Seaborne closed JENA-898.
------------------------------
    Resolution: Not A Problem

> Building w/tests on Windows requires a lot of disk space
> --------------------------------------------------------
>
>                 Key: JENA-898
>                 URL: https://issues.apache.org/jira/browse/JENA-898
>             Project: Apache Jena
>          Issue Type: Bug
>          Components: TDB
>    Affects Versions: Jena 2.12.1, Jena 2.13.0
>         Environment: Windows
>            Reporter: Stian Soiland-Reyes (old)
>            Priority: Major
>
>     mvn clean install 
> on Windows, in particular of jena-tdb and jena-jdbc-driver-tdb requires a lot of disk space (> 40 GB) as temporary TDB datasets are created per test due to the memory mapped files on Windows not being released (JENA-775, JENA-115)
> JENA-897 ensures those files are in target/ when running through Maven, so at least they are removed on mvn clean.
> It might be possible to release the ByteBuffers that lock the memory regions using System.gc() (which might not help anyway) - but this adds significant overhead (~ 1s on my machine)  -- perhaps this could be done pr 10 tests in a @After if on Windows, as a kind of best-effort clean-up?



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