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https://issues.apache.org/jira/browse/HIVE-21485?focusedWorklogId=442745&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-442745
]
ASF GitHub Bot logged work on HIVE-21485:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 09/Jun/20 15:53
Start Date: 09/Jun/20 15:53
Worklog Time Spent: 10m
Work Description: github-actions[bot] commented on pull request #577:
URL: https://github.com/apache/hive/pull/577#issuecomment-641143743
This pull request has been automatically marked as stale because it has not
had recent activity. It will be closed if no further activity occurs.
Feel free to reach out on the d...@hive.apache.org list if the patch is in
need of reviews.
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Issue Time Tracking
-------------------
Worklog Id: (was: 442745)
Time Spent: 50m (was: 40m)
> Hive desc operation takes more than 100 seconds after upgrading from Hive
> 1.2.1 to 2.3.4
> ----------------------------------------------------------------------------------------
>
> Key: HIVE-21485
> URL: https://issues.apache.org/jira/browse/HIVE-21485
> Project: Hive
> Issue Type: Bug
> Components: CLI, Hive
> Affects Versions: 2.3.4
> Reporter: Qingxin Wu
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-21485.patch
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> Hive desc [formatted|extended] operation cost more than 100 seconds after
> upgrading from Hive 1.2.1 to 2.3.4. This is mainly caused by showing stats
> for partitioned tables which was introduced by HIVE-16098 when the
> partitioned tables have a large amount of partitions. In our case, the number
> of partition is 187221.
> {code:java}
> hive> desc bus.kafka_data;
> OK
> id string
> ...
> d map<string,string>
> stat_date string
> log_id string
> # Partition Information
> # col_name data_type comment
> stat_date string
> log_id string
> Time taken: 115.342 seconds, Fetched: 42 row(s)
> {code}
> same operation executed in hive-1.2.1 and only cost 2 seconds.
> {code:java}
> hive> desc bus.kafka_data;
> OK
> id string
> ...
> d map<string,string>
> stat_date string
> log_id string
> # Partition Information
> # col_name data_type comment
> stat_date string
> log_id string
> Time taken: 2.037 seconds, Fetched: 42 row(s)
> {code}
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