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https://issues.apache.org/jira/browse/HIVE-27325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17721005#comment-17721005
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Ayush Saxena commented on HIVE-27325:
-------------------------------------
Committed to master.
Thanx [~rajesh.balamohan] for the review!!!
> Iceberg: 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: 1h
> 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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