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https://issues.apache.org/jira/browse/HIVE-23901?focusedWorklogId=463931&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-463931
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ASF GitHub Bot logged work on HIVE-23901:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 29/Jul/20 07:45
Start Date: 29/Jul/20 07:45
Worklog Time Spent: 10m
Work Description: hsnusonic commented on pull request #1301:
URL: https://github.com/apache/hive/pull/1301#issuecomment-664685908
@nrg4878 the method doMerge is declared as protected originally and is used
only in class *ColumnStatsMerger, so it seems fine to be reduced to only one
method merge.
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Issue Time Tracking
-------------------
Worklog Id: (was: 463931)
Time Spent: 1h (was: 50m)
> 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: 1h
> 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.
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