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https://issues.apache.org/jira/browse/OAK-6718?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Davide Giannella closed OAK-6718.
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Bulk close for 1.7.9

> Configure RAM buffer size used by IndexWriter with oak-run indexing
> -------------------------------------------------------------------
>
>                 Key: OAK-6718
>                 URL: https://issues.apache.org/jira/browse/OAK-6718
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: lucene, run
>            Reporter: Chetan Mehrotra
>            Assignee: Chetan Mehrotra
>             Fix For: 1.8, 1.7.9
>
>         Attachments: OAK-6718-v1.patch
>
>
> Lucene IndexWriter uses 16M buffer by default. For reindexing of large repo 
> via oak-run it should be possible to set this to higher value like 300MB.
> In one of the test which indexes 65M entries setting the buffer size to 300M 
> reduced the reindexing time from 2 hrs to 1.1 hrs



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