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Posted to dev@jena.apache.org by afs <gi...@git.apache.org> on 2015/05/01 14:28:23 UTC

[GitHub] jena pull request: JENA-901 LPDRuleEngine cache Guava from jena-sh...

Github user afs commented on a diff in the pull request:

    https://github.com/apache/jena/pull/47#discussion_r29499092
  
    --- Diff: jena-core/src/main/java/com/hp/hpl/jena/reasoner/rulesys/impl/LPBRuleEngine.java ---
    @@ -52,16 +66,22 @@
         protected boolean recordDerivations;
             
         /** List of engine instances which are still processing queries */
    -    protected List<LPInterpreter> activeInterpreters = new ArrayList<>();
    -    
    +    protected List<LPInterpreter> activeInterpreters = new LinkedList<>();
    +
    +    protected final int MAX_CACHED_TABLED_GOALS = 
    +			Integer.getInteger("jena.rulesys.lp.max_cached_tabled_goals", 512*1024);
    +
    --- End diff --
    
    getting System properties is problematic in some environments.  See JenaRuntime.getSystemProperty for some mitigation of this.


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