[jira] [Updated] (SOLR-8647) Already open IndexSearcher sees different DVs as commits are happening

["Ishan Chattopadhyaya (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-8647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ishan Chattopadhyaya updated SOLR-8647:
---------------------------------------
    Attachment: TestIndexSearcherStability.java

Attaching a unit test demonstrating this issue.

I tried to reproduce the same situation using plain Lucene IndexReader/Writer/Searcher, but couldn't reproduce. I've added the test for that as well.

Can someone please have a look and help?

> Already open IndexSearcher sees different DVs as commits are happening
> ----------------------------------------------------------------------
>
>                 Key: SOLR-8647
>                 URL: https://issues.apache.org/jira/browse/SOLR-8647
>             Project: Solr
>          Issue Type: Bug
>            Reporter: Ishan Chattopadhyaya
>         Attachments: TestIndexSearcherStability.java
>
>
> While working on SOLR-5944, I ran into an issue whereby an already open IndexSearcher sees different views of the DVs as updates/commits are happening in different threads. This is resulting in inconsistency of DV values for the already open main searcher.
> When logging out the searcher, I can see that the searcher instance is same, but the dvgen and fieldinfogen values are changing for an existing searcher.



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