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https://issues.apache.org/jira/browse/JENA-626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15022462#comment-15022462
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ASF GitHub Bot commented on JENA-626:
-------------------------------------

Github user ajs6f commented on the pull request:

    https://github.com/apache/jena/pull/95#issuecomment-158996139
  
    If I understand you correctly, and you are providing `ResultSet` as the 
cached value in some cases, are you dealing with threading? That is, are you 
ensuring that you don't supply the same (same object) cached `ResultSet` as a 
response to two different requests at the same time? It would be nice to see 
some tests to ensure that this new caching facility is threadsafe in that 
sense. 


> SPARQL Query Caching
> --------------------
>
>                 Key: JENA-626
>                 URL: https://issues.apache.org/jira/browse/JENA-626
>             Project: Apache Jena
>          Issue Type: Improvement
>            Reporter: Andy Seaborne
>            Assignee: Saikat Maitra
>              Labels: java, linked_data, rdf, sparql
>
> Add a caching layer to Fuseki to cache the results of SPARQL Query requests.  
> This cache should allow for in-memory and disk-based caching, configuration 
> and cache management, and coordination with data modification.



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