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From "Chetan Mehrotra (JIRA)" <j...@apache.org>
Subject [jira] [Created] (OAK-6718) Configure RAM buffer size used by IndexWriter with oak-run indexing
Date Tue, 26 Sep 2017 10:41:00 GMT
Chetan Mehrotra created OAK-6718:
------------------------------------

             Summary: 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
            Reporter: Chetan Mehrotra
            Assignee: Chetan Mehrotra
             Fix For: 1.8


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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