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Posted to dev@hbase.apache.org by "Gaurav Menghani (JIRA)" <ji...@apache.org> on 2014/09/26 22:04:33 UTC

[jira] [Created] (HBASE-12105) [0.89-fb] Optimizing exists() to use FirstKeyOnlyFilter for the existence check

Gaurav Menghani created HBASE-12105:
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             Summary: [0.89-fb] Optimizing exists() to use FirstKeyOnlyFilter for the existence check
                 Key: HBASE-12105
                 URL: https://issues.apache.org/jira/browse/HBASE-12105
             Project: HBase
          Issue Type: Improvement
    Affects Versions: 0.89-fb
            Reporter: Gaurav Menghani
            Priority: Minor
             Fix For: 0.89-fb


Exists does a proper Get, it does not need to get all the KVs for a row to do an existence check. The first KV itself is a good enough indicator. This will speed up exists().



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