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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-3961) Filters should be able to skip data that they know will fail
Date Wed, 12 Aug 2015 21:26:46 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-3961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14694201#comment-14694201
] 

ASF GitHub Bot commented on ACCUMULO-3961:
------------------------------------------

Github user ctubbsii commented on the pull request:

    https://github.com/apache/accumulo/pull/41#issuecomment-130453473
  
    This pull request should be for ACCUMULO-3961.


> Filters should be able to skip data that they know will fail
> ------------------------------------------------------------
>
>                 Key: ACCUMULO-3961
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3961
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: tserver
>    Affects Versions: 1.7.0
>            Reporter: Russ Weeks
>            Assignee: Russ Weeks
>            Priority: Minor
>              Labels: filter, iterator
>             Fix For: 1.7.1
>
>
> A [filter|http://accumulo.apache.org/1.7/apidocs/org/apache/accumulo/core/iterators/Filter.html]
should be able to cause its source to advance past key/value pairs that it knows will be blocked
by the filter. For example, the [ColumnSliceFilter|http://accumulo.apache.org/1.7/apidocs/index.html?org/apache/accumulo/core/iterators/user/ColumnSliceFilter.html]
should be able to advance to the beginning of the slice in the next row, if it has detected
that it has reached the end of the slice in the current row.
> Inspired by HBase's [FilterBase|https://hbase.apache.org/apidocs/org/apache/hadoop/hbase/filter/FilterBase.html]
and [ColumnRangeFilter|https://hbase.apache.org/apidocs/org/apache/hadoop/hbase/filter/ColumnRangeFilter.html].



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