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https://issues.apache.org/jira/browse/HBASE-12819?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Yu updated HBASE-12819:
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Attachment: 12819-v2.patch
See if patch v2 is better.
bq. 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
You're right.
> 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, 12819-v2.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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