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From "Chen Liang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11805) Ensure LevelDB DBIterator is closed
Date Thu, 11 May 2017 18:22:04 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11805?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chen Liang updated HDFS-11805:
------------------------------
    Attachment: HDFS-11805-HDFS-7240.001.patch

Post v005 patch. {{SQLCLI}} is fixed in HDFS-11802. {{FilteredKeys}} has its close method
where the DBIterator gets closed, so does not seem to require a fix.

> Ensure LevelDB DBIterator is closed
> -----------------------------------
>
>                 Key: HDFS-11805
>                 URL: https://issues.apache.org/jira/browse/HDFS-11805
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Xiaoyu Yao
>            Assignee: Chen Liang
>            Priority: Minor
>         Attachments: HDFS-11805-HDFS-7240.001.patch
>
>
> DBIterator used in CblockManager/FilteredKeys/SQLCLI/OzoneMetadataManager should be closed
after done with the iteration to avoid resource leaking. 
> try-with-resource should fix that easily for most of the cases. FIlteredKeys may be a
special case that I have not fully checked yet. 



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