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From "Russ Weeks (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-3961) Filters should be able to skip data that they know will fail
Date Wed, 12 Aug 2015 21:04:45 GMT
Russ Weeks created ACCUMULO-3961:
------------------------------------

             Summary: 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
             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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