Jacques created HBASE-5993:
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             Summary: Add a no-read Append
                 Key: HBASE-5993
                 URL: https://issues.apache.org/jira/browse/HBASE-5993
             Project: HBase
          Issue Type: Improvement
          Components: regionserver
    Affects Versions: 0.94.0
            Reporter: Jacques


HBASE-4102 added an atomic append.  For high performance situations, it would 
be helpful to be able to do appends that don't actually require a read of the 
existing value.  This would be useful in building a growing set of values.  Our 
original use case was for implementing a form of search in HBase where a cell 
would contain a list of document ids associated with a particular keyword for 
search.  However it seems like it would also be useful to provide substantial 
performance improvements for most Append scenarios.

Within the client API, the simplest way to implement this would be to leverage 
the existing Append api.  If the Append is marked as setReturnResults(false), 
use this code path.  If result return is requested, use the existing Append 
implementation.  



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