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From "John Vines (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-319) Provide optional stricness for SummingCombiner
Date Mon, 23 Jan 2012 19:49:40 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-319?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13191387#comment-13191387
] 

John Vines commented on ACCUMULO-319:
-------------------------------------

Oops, forgot that.
                
> Provide optional stricness for SummingCombiner
> ----------------------------------------------
>
>                 Key: ACCUMULO-319
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-319
>             Project: Accumulo
>          Issue Type: Improvement
>            Reporter: John Vines
>             Fix For: 1.4.0
>
>
> Currently the summing combiner will throw an error on a format exception. This is great
for high precision combining to ensure that all data is included. However, there is a potential
use case for people who just want data combined and do not want a wrench thrown in the system
for a bad value. Rather then having to write a whole different combiner, we should add a configuration
option to allow lossy combining which does not take into account bad value.

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