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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-1764) Change hfile scanner seek to find wanted key or the one AFTER rather than BEFORE as it currently does
Date Thu, 13 Aug 2009 06:36:14 GMT
Change hfile scanner seek to find wanted key or the one AFTER rather than BEFORE as it currently
does
-----------------------------------------------------------------------------------------------------

                 Key: HBASE-1764
                 URL: https://issues.apache.org/jira/browse/HBASE-1764
             Project: Hadoop HBase
          Issue Type: Improvement
            Reporter: stack
             Fix For: 0.21.0


Working on new getClosestAtOrBefore in HBASE-1761, the way hfile scanner works where it gets
the asked for key or the one just before makes for our doing more work than we should.   See
the code in Store where we want to get to first element in row.  We have to go to the row
before and then walk forward skipping the item that is in row before.

Consider flipping catalog tables to be regions by end-key rather than start-key at same time
(RE: conversation had on the saturday night at the SUSF hackathon).

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