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From "Hrishikesh Gadre (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SOLR-9642) Refactor the core level snapshot cleanup mechanism to rely on Lucene
Date Thu, 13 Oct 2016 18:22:20 GMT
Hrishikesh Gadre created SOLR-9642:
--------------------------------------

             Summary: Refactor the core level snapshot cleanup mechanism to rely on Lucene
                 Key: SOLR-9642
                 URL: https://issues.apache.org/jira/browse/SOLR-9642
             Project: Solr
          Issue Type: Improvement
      Security Level: Public (Default Security Level. Issues are Public)
    Affects Versions: 6.2
            Reporter: Hrishikesh Gadre


SOLR-9269 introduced a mechanism to create/delete snapshots for a Solr core (using Lucene
IndexDeletionPolicy). The current snapshot cleanup mechanism is based on reference counting
the index files shared between multiple segments. Since this mechanism completely skips the
Lucene APIs, it is not portable (e.g. it doesn't work on 4.10.3 version).

I propose an alternative implementation which relies exclusively on Lucene IndexWriter (+
IndexDeletionPolicy) for cleanup.



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