Songzhi Liu created HIVE-18017:
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             Summary: HS2 materialized view registry init loading all tables 
from metastore
                 Key: HIVE-18017
                 URL: https://issues.apache.org/jira/browse/HIVE-18017
             Project: Hive
          Issue Type: Bug
          Components: HiveServer2, Metastore
    Affects Versions: 2.3.0, 2.2.0, 2.1.0
         Environment: Hadoop 2.7.3 on EMR
            Reporter: Songzhi Liu


We're pointing the hive to a remote MySQL metastore with tons of DBs and tables 
(10k+ tables). When HS2 starts it tries to init the materialized views and 
currently the metastore API tries to do a full load for every database. It 
times out after 20 min then HS2 starts without loading MV.



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