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From "Phil Yang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-15378) Scanner can not handle a heartbeat message with no results
Date Wed, 02 Mar 2016 05:08:18 GMT
Phil Yang created HBASE-15378:
---------------------------------

             Summary: Scanner can not handle a heartbeat message with no results
                 Key: HBASE-15378
                 URL: https://issues.apache.org/jira/browse/HBASE-15378
             Project: HBase
          Issue Type: Bug
            Reporter: Phil Yang
            Assignee: Phil Yang
            Priority: Critical


When a RS scanner get a TIME_LIMIT_REACHED_MID_ROW state, they will stop scanning and send
back what it has read to client and mark the message as a heartbeat message. If there is no
cell has been read, it will be an empty response. 

However, ClientScanner only handle the situation that the client gets a empty heartbeat and
its cache is not empty. If the cache is empty too, it will be regarded as end-of-region and
open next scanner.



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