[jira] [Work logged] (HIVE-27122) Use Caffeine for caching metadata objects in Compactor threads

Mon, 06 Mar 2023 06:52:04 -0800 


     [ 
https://issues.apache.org/jira/browse/HIVE-27122?focusedWorklogId=849303&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-849303
 ]

ASF GitHub Bot logged work on HIVE-27122:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 06/Mar/23 14:51
            Start Date: 06/Mar/23 14:51
    Worklog Time Spent: 10m 
      Work Description: sonarcloud[bot] commented on PR #4098:
URL: https://github.com/apache/hive/pull/4098#issuecomment-1456281279

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Issue Time Tracking
-------------------

    Worklog Id:     (was: 849303)
    Time Spent: 20m  (was: 10m)

> Use Caffeine for caching metadata objects in Compactor threads
> --------------------------------------------------------------
>
>                 Key: HIVE-27122
>                 URL: https://issues.apache.org/jira/browse/HIVE-27122
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Sourabh Badhya
>            Assignee: Sourabh Badhya
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Currently, compactor threads make use of Guava package to cache metadata 
> objects like database/table objects. We should consider using Caffeine 
> package since it provides more control on the cache. It is also observed that 
> cache created from Caffeine package is more performant than cache created 
> from Guava package.
> Some benchmarks comparing Caffeine package vs Guava package - 
> [https://github.com/ben-manes/caffeine/wiki/Benchmarks]



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