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https://issues.apache.org/jira/browse/HBASE-12819?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14268392#comment-14268392
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Matteo Bertozzi commented on HBASE-12819:
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why the inputFs is not closed too?
also what about the inputFs and outputFs in the ExportMapper? implement the
cleanup() method and close them there?
(not sure if the FileSystem instances are ref-counted. if not there may be more
work for the mapper, to avoid that the mapper close() is thrashing the fs
instances in the main when you are in the single jvm case, e.g. tests)
> ExportSnapshot doesn't close FileSystem instances
> -------------------------------------------------
>
> Key: HBASE-12819
> URL: https://issues.apache.org/jira/browse/HBASE-12819
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Ted Yu
> Attachments: 12819-v1.patch
>
>
> While troubleshooting an out of memory error exporting snapshot to s3a, I
> found that ExportSnapshot doesn't close FileSystem instances it uses.
> An implementation (s3a e.g.) may depend on close() call so that resources are
> released.
> ExportSnapshot should close the FileSystem instances upon exit.
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