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  1. HBase
  2. HBASE-695

Add passing of filter state across regions

    Details

    • Type: New Feature
    • Status: Resolved
    • Priority: Major
    • Resolution: Not A Problem
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: None
    • Labels:
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      Description

      Discussion on list arrived at need for filters to carry cross-region state. For example, if you are looking for sufficient rows to fill the fifth page of a set of results and a particular region only has the first half of page 5, there needs to be a mechanism to tell the next region in line, how far the scan has gotten. Clint Morgan suggested some kind of RPC or callback that the serverside region could tug on to pass back to the client the state-laden filter for passing the next region.

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              stack stack
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