[jira] [Work logged] (HIVE-26376) Hive Metastore connection leak (OOM Error)

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-26376?focusedWorklogId=807619&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-807619 ]

ASF GitHub Bot logged work on HIVE-26376:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 10/Sep/22 00:25
            Start Date: 10/Sep/22 00:25
    Worklog Time Spent: 10m 
      Work Description: github-actions[bot] commented on PR #3424:
URL: https://github.com/apache/hive/pull/3424#issuecomment-1242572708

   This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs.
   Feel free to reach out on the dev@hive.apache.org list if the patch is in need of reviews.




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

    Worklog Id:     (was: 807619)
    Time Spent: 20m  (was: 10m)

> Hive Metastore connection leak (OOM Error)
> ------------------------------------------
>
>                 Key: HIVE-26376
>                 URL: https://issues.apache.org/jira/browse/HIVE-26376
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>    Affects Versions: 3.1.2
>         Environment: !Screenshot 2022-07-07 at 11.52.33 AM.png!
>            Reporter: Ranith Sardar
>            Assignee: Stamatis Zampetakis
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: Screenshot 2022-07-07 at 11.52.33 AM.png
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Hive version:3.1.2
> Hive metastore heap size is 14GB, Memory Leak is happening after 4-5 days, hive meta-store throwing error with OOM.
> If we disable the configuration, the memory leak disappears.
> In the case of, Heap dump size 3.5GB, a large number of filesystem objects(> 9k instances) are being retained. It's occupying most of the heap space. Added snapshot from the eclipse MAT.
> Bellow are part of the stack trace for OOM error:
> {code:java}
> at org.apache.hadoop.hive.common.FileUtils.getFileStatusOrNull(Lorg/apache/hadoop/fs/FileSystem;Lorg/apache/hadoop/fs/Path;)Lorg/apache/hadoop/fs/FileStatus; (FileUtils.java:801)
>   at org.apache.hadoop.hive.ql.security.authorization.StorageBasedAuthorizationProvider.checkPermissions(Lorg/apache/hadoop/conf/Configuration;Lorg/apache/hadoop/fs/Path;Ljava/util/EnumSet;)V (StorageBasedAuthorizationProvider.java:371)
>   at org.apache.hadoop.hive.ql.security.authorization.StorageBasedAuthorizationProvider.authorize(Lorg/apache/hadoop/fs/Path;[Lorg/apache/hadoop/hive/ql/security/authorization/Privilege;[Lorg/apache/hadoop/hive/ql/security/authorization/Privilege;)V (StorageBasedAuthorizationProvider.java:346)
>   at org.apache.hadoop.hive.ql.security.authorization.StorageBasedAuthorizationProvider.authorize(Lorg/apache/hadoop/hive/metastore/api/Database;[Lorg/apache/hadoop/hive/ql/security/authorization/Privilege;[Lorg/apache/hadoop/hive/ql/security/authorization/Privilege;)V (StorageBasedAuthorizationProvider.java:154)
>   at org.apache.hadoop.hive.ql.security.authorization.AuthorizationPreEventListener.authorizeReadDatabase(Lorg/apache/hadoop/hive/metastore/events/PreReadDatabaseEvent;)V (AuthorizationPreEventListener.java:208)
>   at org.apache.hadoop.hive.ql.security.authorization.AuthorizationPreEventListener.onEvent(Lorg/apache/hadoop/hive/metastore/events/PreEventContext;)V (AuthorizationPreEventListener.java:153)
>   at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.firePreEvent(Lorg/apache/hadoop/hive/metastore/events/PreEventContext;)V (HiveMetaStore.java:3221)
>   at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.get_database(Ljava/lang/String;)Lorg/apache/hadoop/hive/metastore/api/Database; (HiveMetaStore.java:1352){code}



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