[ 
https://issues.apache.org/jira/browse/HIVE-27325?focusedWorklogId=861085&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-861085
 ]

ASF GitHub Bot logged work on HIVE-27325:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 08/May/23 22:01
            Start Date: 08/May/23 22:01
    Worklog Time Spent: 10m 
      Work Description: aturoczy commented on PR #4302:
URL: https://github.com/apache/hive/pull/4302#issuecomment-1539110193

   This upstream ticket just recently created! How the hack you could be as 
fast to understand and implement it? :) Really I wanted to ask about the 
details, and you have done :D It is not fair! :) 




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

    Worklog Id:     (was: 861085)
    Time Spent: 20m  (was: 10m)

> Expiring old snapshots deletes files with DirectExecutorService causing 
> runtime delays
> --------------------------------------------------------------------------------------
>
>                 Key: HIVE-27325
>                 URL: https://issues.apache.org/jira/browse/HIVE-27325
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Rajesh Balamohan
>            Assignee: Ayush Saxena
>            Priority: Major
>              Labels: iceberg, pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Expiring old snapshots takes a lot of time, as fileCleanupStrategy internally 
> uses directExecutorService. Creating this as a placeholder ticket to fix the 
> same. If fixed in iceberg, need to upgrade the lib here.
> {noformat}
> insert into store_sales_delete_9 select *, current_timestamp() as ts from 
> tpcds_1000_update.ssv ;;
> ALTER TABLE store_sales_delete_9 EXECUTE expire_snapshots('2023-05-09 
> 00:00:00');
> {noformat}
> {noformat}
>       at 
> org.apache.iceberg.relocated.com.google.common.util.concurrent.AbstractListeningExecutorService.submit(AbstractListeningExecutorService.java:36)
>       at org.apache.iceberg.util.Tasks$Builder.runParallel(Tasks.java:300)
>       at org.apache.iceberg.util.Tasks$Builder.run(Tasks.java:194)
>       at org.apache.iceberg.util.Tasks$Builder.run(Tasks.java:189)
>       at 
> org.apache.iceberg.FileCleanupStrategy.deleteFiles(FileCleanupStrategy.java:84)
>       at 
> org.apache.iceberg.IncrementalFileCleanup.cleanFiles(IncrementalFileCleanup.java:262)
>       at 
> org.apache.iceberg.RemoveSnapshots.cleanExpiredSnapshots(RemoveSnapshots.java:338)
>       at org.apache.iceberg.RemoveSnapshots.commit(RemoveSnapshots.java:312)
>       at 
> org.apache.iceberg.mr.hive.HiveIcebergStorageHandler.executeOperation(HiveIcebergStorageHandler.java:560)
>       at 
> org.apache.hadoop.hive.ql.metadata.Hive.alterTableExecuteOperation(Hive.java:6844)
>       at 
> org.apache.hadoop.hive.ql.ddl.table.execute.AlterTableExecuteOperation.execute(AlterTableExecuteOperation.java:37)
>       at org.apache.hadoop.hive.ql.ddl.DDLTask.execute(DDLTask.java:84)
>       at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:213)
>       at 
> org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:105)
>       at org.apache.hadoop.hive.ql.Executor.launchTask(Executor.java:360)
>       at org.apache.hadoop.hive.ql.Executor.launchTasks(Executor.java:333)
>       at org.apache.hadoop.hive.ql.Executor.runTasks(Executor.java:250)
>       at org.apache.hadoop.hive.ql.Executor.execute(Executor.java:111)
>       at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:809)
>       at org.apache.hadoop.hive.ql.Driver.run(Driver.java:547)
>       at org.apache.hadoop.hive.ql.Driver.run(Driver.java:541)
>       at 
> org.apache.hadoop.hive.ql.reexec.ReExecDriver.run(ReExecDriver.java:166)
>       at 
> org.apache.hive.service.cli.operation.SQLOperation.runQuery(SQLOperation.java:235)
>       at 
> org.apache.hive.service.cli.operation.SQLOperation.access$700(SQLOperation.java:92)
>       at 
> org.apache.hive.service.cli.operation.SQLOperation$BackgroundWork$1.run(SQLOperation.java:340)
>       at java.security.AccessController.doPrivileged([email protected]/Native 
> Method)
>       at javax.security.auth.Subject.doAs([email protected]/Subject.java:423)
>       at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1899)
>       at 
> org.apache.hive.service.cli.operation.SQLOperation$BackgroundWork.run(SQLOperation.java:360)
>       at 
> java.util.concurrent.Executors$RunnableAdapter.call([email protected]/Executors.java:515)
>       at 
> java.util.concurrent.FutureTask.run([email protected]/FutureTask.java:264)
>       at 
> java.util.concurrent.Executors$RunnableAdapter.call([email protected]/Executors.java:515)
> {noformat}



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