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From "Xiang Sheng (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HAWQ-1231) RM should error out when nvseg in statement level is greater than the guc for nvseg per seg.
Date Thu, 22 Dec 2016 07:27:58 GMT
Xiang Sheng created HAWQ-1231:
---------------------------------

             Summary: RM should error out when nvseg in statement level is greater than the
guc for nvseg per seg.
                 Key: HAWQ-1231
                 URL: https://issues.apache.org/jira/browse/HAWQ-1231
             Project: Apache HAWQ
          Issue Type: Bug
          Components: Resource Manager
            Reporter: Xiang Sheng
            Assignee: Ed Espino
             Fix For: backlog


If user set a larget nvseg in statement level, the nvseg is greater than the guc nvseg per
seg, rm won't report error. It will allocate according to nvseg per seg. But this cannot satisfy
statement level nvseg. RM will timeout at last. This behaviors is not reasonable. We should
error out directly and tell user if he wants the nvseg in statement, he must change the guc
( hawq_rm_nvseg_perquery_perseg_limit ) accordingly.



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