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https://issues.apache.org/jira/browse/HIVE-23901?focusedWorklogId=462335&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-462335
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ASF GitHub Bot logged work on HIVE-23901:
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Author: ASF GitHub Bot
Created on: 23/Jul/20 01:31
Start Date: 23/Jul/20 01:31
Worklog Time Spent: 10m
Work Description: belugabehr commented on pull request #1301:
URL: https://github.com/apache/hive/pull/1301#issuecomment-662778176
This only happens if these objects are being instantiated repeatedly. May
need to look at that.
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Issue Time Tracking
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Worklog Id: (was: 462335)
Time Spent: 0.5h (was: 20m)
> 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: 0.5h
> 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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