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https://issues.apache.org/jira/browse/JENA-626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15369518#comment-15369518
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ASF GitHub Bot commented on JENA-626:
-------------------------------------

Github user afs commented on the issue:

    https://github.com/apache/jena/pull/95
  
    Another use case:
    
    In my day-job, we have a local (same JVM) database because calling to a 
remote database (even same datacenter) is too expensive.  RDF is used to drive 
the UI for HTTP/HTML requests. This means we get a lot of small calls into the 
database for every single HTTP request. Going off machine for each call does 
not work.  Getting larger parts of the RDF (i.e. a few large remote calls) only 
gets us into having a local graph and many calls to that.
    
    We can of course add our own caching because we control the whole stack but 
it suggests a design whereby caching is done by the `QueryExecution` and not as 
part of Fuseki HTTP request handling, either specific to Fuseki or as a general 
feature in ARQ.



> 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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