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From "Nikhil Bonte (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (ATLAS-3057) Index Repair Tool: Add JanusGraph-Specific Index Repair Tool
Date Thu, 28 Feb 2019 06:31:00 GMT

     [ https://issues.apache.org/jira/browse/ATLAS-3057?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nikhil Bonte reassigned ATLAS-3057:
-----------------------------------

    Assignee: Nikhil Bonte  (was: Ashutosh Mestry)

> Index Repair Tool: Add JanusGraph-Specific Index Repair Tool
> ------------------------------------------------------------
>
>                 Key: ATLAS-3057
>                 URL: https://issues.apache.org/jira/browse/ATLAS-3057
>             Project: Atlas
>          Issue Type: Bug
>            Reporter: Ashutosh Mestry
>            Assignee: Nikhil Bonte
>            Priority: Major
>         Attachments: ATLAS-3057-Atlas-Index-Repair-tool-for-JanusGraph.patch
>
>
> *Background*
> For Atlas version that uses _HBase_ and _Solr_, occasionally if Solr is down and entities
get created, then there is no record of the created entities within Solr. Basic search does
not indicate presence of such entities.
> *Solution*
> Index Repair Tool (which was present in branch-0.8) should be implemented for JanusGraph.
> *Implementation Guidance*
>  * Create Java-based implementation rather than Groovy script that needs graphdb-specific
shell to be installed. 
>  * Use JanusGraph APIs for restore instead of custom per-vertex logic.
>  * Investigate possibility of using MapReduce for higher throughput.



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