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From "Keith Laban (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-9506) cache IndexFingerprint for each segment
Date Tue, 18 Oct 2016 15:04:58 GMT

    [ https://issues.apache.org/jira/browse/SOLR-9506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15585694#comment-15585694
] 

Keith Laban commented on SOLR-9506:
-----------------------------------

Are you implying that if you add a document. commit it, compute the index fingerprint and
cache the segments. Then delete that document and commit that change, and compute the fingerprint
again with the cached segment fingerprint, you will end up with the same index fingerprint?

> cache IndexFingerprint for each segment
> ---------------------------------------
>
>                 Key: SOLR-9506
>                 URL: https://issues.apache.org/jira/browse/SOLR-9506
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Noble Paul
>         Attachments: SOLR-9506.patch, SOLR-9506.patch, SOLR-9506_POC.patch
>
>
> The IndexFingerprint is cached per index searcher. it is quite useless during high throughput
indexing. If the fingerprint is cached per segment it will make it vastly more efficient to
compute the fingerprint



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