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https://issues.apache.org/jira/browse/HIVE-27122?focusedWorklogId=849478&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-849478
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ASF GitHub Bot logged work on HIVE-27122:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 07/Mar/23 07:26
            Start Date: 07/Mar/23 07:26
    Worklog Time Spent: 10m 
      Work Description: SourabhBadhya commented on code in PR #4098:
URL: https://github.com/apache/hive/pull/4098#discussion_r1127455288


##########
ql/src/java/org/apache/hadoop/hive/ql/txn/compactor/CompactorUtil.java:
##########
@@ -74,6 +77,20 @@ static Runnable unchecked(ThrowingRunnable<?> r) {
     }
   }
 
+  public interface ThrowingFunction<T, R, E extends Exception> {

Review Comment:
   Added Javadoc for the same. Done.





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

    Worklog Id:     (was: 849478)
    Time Spent: 1h  (was: 50m)

> 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: 1h
>  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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