Krisztian Kasa created HIVE-21948: ------------------------------------- Summary: Implement parallell processing in Pre Upgrade Tool Key: HIVE-21948 URL: https://issues.apache.org/jira/browse/HIVE-21948 Project: Hive Issue Type: Improvement Components: Transactions Affects Versions: 3.1.0 Reporter: Krisztian Kasa Assignee: Krisztian Kasa Fix For: 4.0.0
Pre Upgrade Tool scans for all databases and tables in the warehouse sequentially which can be very slow in case of lots of tables. Example: It took the process 8-10 hours to complete on ~500k tables. -- This message was sent by Atlassian JIRA (v7.6.3#76005)