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From "Jonathan Lawlor (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-13543) Deprecate Scan maxResultSize in 2.0.0
Date Thu, 23 Apr 2015 16:58:38 GMT
Jonathan Lawlor created HBASE-13543:
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             Summary: Deprecate Scan maxResultSize in 2.0.0
                 Key: HBASE-13543
                 URL: https://issues.apache.org/jira/browse/HBASE-13543
             Project: HBase
          Issue Type: Sub-task
            Reporter: Jonathan Lawlor


The Scan API exposes a maxResultSize to the application. The max result size is used to determine
how large the chunks sent back per RPC request should be. This seems like a configuration
that should not be present in the public API used by the application but rather a detail that
the server should control instead. In a situation where there are multiple concurrent scans
being issued against a single region server, it would seem more appropriate to give the server
control over this parameter so that it could be optimized against the current load. This issue
proposes that the max result size be deprecated in 2.0.0 so that future optimizations could
be made to the way that Scan RPC requests are handled by the server. Of course if there are
any concerns please raise them here.



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