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https://issues.apache.org/jira/browse/HIVE-23580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17119706#comment-17119706
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Attila Magyar commented on HIVE-23580:
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[~ashutoshc], even with disabled cache getFileSystem is still fast:
{code:java}
2020-05-29 15:22:45,968 DEBUG org.apache.hadoop.fs.FileSystem:
[a4f619d8-d776-4534-bb18-957c4204aa68 HiveServer2-Handler-Pool: Thread-114]:
Bypassing cache to create filesystem
hdfs://amagyar-2.amagyar.root.hwx.site:8020/tmp/hive/hive/a4f619d8-d776-4534-bb18-957c4204aa68/hive_2020-05-29_15-22-41_571_7827501270783748141-3
2020-05-29 15:22:45,969 INFO hive.ql.Context:
[a4f619d8-d776-4534-bb18-957c4204aa68 HiveServer2-Handler-Pool: Thread-114]:
FileSystem Created: 1 ms {code}
> deleteOnExit set is not cleaned up, causing memory pressure
> -----------------------------------------------------------
>
> Key: HIVE-23580
> URL: https://issues.apache.org/jira/browse/HIVE-23580
> Project: Hive
> Issue Type: Bug
> Components: HiveServer2
> Affects Versions: 4.0.0
> Reporter: Attila Magyar
> Assignee: Attila Magyar
> Priority: Major
> Fix For: 4.0.0
>
> Attachments: HIVE-23580.1.patch
>
>
> removeScratchDir doesn't always calls cancelDeleteOnExit() on context::clear
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