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ASF GitHub Bot logged work on HIVE-23901: ----------------------------------------- Author: ASF GitHub Bot Created on: 29/Jul/20 07:18 Start Date: 29/Jul/20 07:18 Worklog Time Spent: 10m Work Description: nrg4878 commented on pull request #1301: URL: https://github.com/apache/hive/pull/1301#issuecomment-664659969 IsColumnStatsMerger a class internal to hive? I think it is but I am not certain. Otherwise changing the method name might be an issue. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking ------------------- Worklog Id: (was: 463649) Time Spent: 50m (was: 40m) > Overhead of Logger in ColumnStatsMerger damage the performance > -------------------------------------------------------------- > > Key: HIVE-23901 > URL: https://issues.apache.org/jira/browse/HIVE-23901 > Project: Hive > Issue Type: Improvement > Components: Standalone Metastore, Statistics > Reporter: Yu-Wen Lai > Assignee: Yu-Wen Lai > Priority: Major > Labels: pull-request-available > Time Spent: 50m > Remaining Estimate: 0h > > When aggregating the column stats for a big partitioned table, we observed a > large proportion of time spent in getLogger(). If we declare it as static, > the execution time of aggregate can be greatly improved. -- This message was sent by Atlassian Jira (v8.3.4#803005)