Yes, for now, we believe that HIVE-14187 has caused performance degradation
in Hive3 MetaStore.
We also use HiveServer2, but our HiveServer2 directly accesses the backend
DB without going through the Hive MetaStore, because it enhances
performance to directly access the DB in a heavily loaded
Thank you for sharing the result. (Does your result imply that HIVE-14187
is introducing an intended bug?)
Another issue that could be of your interest is the connection leak problem
reported in HIVE-20600. Do you see the connection leak problem, or is it
not relevant to your environment (e.g.,
Hi Pau and Sungwoo,
Thanks for sharing the information.
We tested a set of simple queries which just referenced the Hive table and
didn't execute any Hive jobs. The result is below.
No. Version rawstore.impl connectionPoolingType HIVE-14187 QueryTime