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Posted to dev@jena.apache.org by "Andy Seaborne (JIRA)" <ji...@apache.org> on 2019/04/08 20:57:00 UTC
[jira] [Commented] (JENA-1683) SPARQL Updates get stuck on high
concurrency of updates
[ https://issues.apache.org/jira/browse/JENA-1683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16812786#comment-16812786 ]
Andy Seaborne commented on JENA-1683:
-------------------------------------
[~Abhranil Chatterjee] – any update on this?
> SPARQL Updates get stuck on high concurrency of updates
> -------------------------------------------------------
>
> Key: JENA-1683
> URL: https://issues.apache.org/jira/browse/JENA-1683
> Project: Apache Jena
> Issue Type: Bug
> Reporter: Abhranil Chatterjee
> Priority: Major
> Attachments: Screen Shot 2019-03-19 at 3.44.56 PM.png
>
>
> While doing performance test of Jena Fuseki (latest release 3.10.0, using jena-text for lucene index) with a mixed set of sparql-query and sparql-update requests, I found that SPARQL_Update becomes unserviceable. SPARQL_Query still functions normally. Sharing Screen shot of JMC JMX console where threads seem to be WAITING infinitely for acquiring writer lock. !Screen Shot 2019-03-19 at 3.44.56 PM.png!
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