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From Aaron McCurry <>
Subject Re: Max records
Date Fri, 03 May 2013 14:44:23 GMT

This is used for testing, so that you can exit a mapper after N number of


This will increase the number of records in a single row.  Be careful with
this option because this may run the reducer out of memory, I have a patch
that I can apply that removes this limit but for now it's still a risky to
increase this too large/


This is the Lucene writer buffer, large values normally increase indexing


On Fri, May 3, 2013 at 10:30 AM, Tim Williams <> wrote:

> I have an instance where I need to increase max records per row, but
> before I do I want to understand the relationship (if there is one)
> between:
> BlurTask._maxRecordCount
> BlurTask._maxRecordsPerRow
> BlurTask._ramBufferSizeMB
> I understand maxRecordsPerRow, but in looking into this found I don't
> understand the _maxRecordCount and/or what interplay might exist with
> buffer size.
> Thanks,
> --tim

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