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From "Chetan Mehrotra (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OAK-4726) Add Metrics coverage to the Lucene Indexer
Date Fri, 02 Sep 2016 04:24:22 GMT

    [ https://issues.apache.org/jira/browse/OAK-4726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15457482#comment-15457482

Chetan Mehrotra commented on OAK-4726:

Thanks [~ianeboston] for the patch. Looks useful. 

Can you provide some stats based on this say via running any Sling based app on Oak with Metrics
bundle enable and report as show in Metrics plugin

 Would look into this once I am done with hybrid.

> Add Metrics coverage to the Lucene Indexer
> ------------------------------------------
>                 Key: OAK-4726
>                 URL: https://issues.apache.org/jira/browse/OAK-4726
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: lucene
>    Affects Versions: 1.5.8
>            Reporter: Ian Boston
>            Assignee: Chetan Mehrotra
>             Fix For: 1.6
> Although there are some stats surrounding the Lucene indexing processes it would be useful
to have metrics style stats available. 
> Looking at the code, the implementations IndexWriter look like the right place to add
the metrics. These could be global aggregate metrics, ie one set of metrics covering all IndexWriter
implementations, or there could be individual metrics for each Lucene index definition. The
latter would be more useful as it will allow detailed stats on individual metrics. 
> These metrics will only give information on the writer operations, and not any Tokenizing
> Patch in the form of a pull request will flow.

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