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From "Abhishek Singh Chouhan (Jira)" <j...@apache.org>
Subject [jira] [Created] (PHOENIX-6001) Incremental rebuild/verification can result in missing rows and false positives
Date Fri, 10 Jul 2020 21:12:00 GMT
Abhishek Singh Chouhan created PHOENIX-6001:
-----------------------------------------------

             Summary: Incremental rebuild/verification can result in missing rows and false
positives 
                 Key: PHOENIX-6001
                 URL: https://issues.apache.org/jira/browse/PHOENIX-6001
             Project: Phoenix
          Issue Type: Bug
    Affects Versions: 4.16.0
            Reporter: Abhishek Singh Chouhan
            Assignee: Abhishek Singh Chouhan
             Fix For: 5.1.0, 4.16.0


In case of incremental rebuild/verify we prepare a skip scan using page size constraints first
and then use it for rebuild, however when using this skip scan we constraint the number of
indexmutations we're going to build/verify also on the page size. In the case where we have
multiple index mutations for single dataTableRow, we can return back to the client without
scanning all the rows of the skip scan filter, when the client does next, we resume incorrectly
from the row after the last of the previous skip scan when infact we hadn't exhausted it fully. 
 



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