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https://issues.apache.org/jira/browse/HADOOP-17267?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Karen Coppage updated HADOOP-17267:
-----------------------------------
Description:
HDFS reuses the same cached FileSystem object across the file system. If the
client calls FileSystem.close(), closeAllForUgi(), or closeAll() (if it applies
to the instance) anywhere in the system it purges the cache of that FS
instance, and trying to use the instance results in an IOException: FileSystem
closed.
It would be a great help to clients to see where and when a given FS instance
was closed. I.e. in close(), closeAllForUgi(), or closeAll(), it would be great
to see a DEBUG-level log of
* calling method name, class, file name/line number
* FileSystem object's identity hash (FileSystem.close() only)
For the full calling stack, turn on TRACE logging.
was:
HDFS reuses the same cached FileSystem object across the file system. If the
client calls FileSystem.close(), closeAllForUgi(), or closeAll() (if it applies
to the instance) anywhere in the system it purges the cache of that FS
instance, and trying to use the instance results in an IOException: FileSystem
closed.
It would be a great help to clients to see where and when a given FS instance
was closed. I.e. in close(), closeAllForUgi(), or closeAll(), it would be great
to see a DEBUG-level log of
* calling method name, class, file name/line number
* FileSystem object's identity hash (FileSystem.close() only)
> Add debug-level logs in Filesystem#close
> ----------------------------------------
>
> Key: HADOOP-17267
> URL: https://issues.apache.org/jira/browse/HADOOP-17267
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs
> Affects Versions: 3.3.0
> Reporter: Karen Coppage
> Assignee: Karen Coppage
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 4h
> Remaining Estimate: 0h
>
> HDFS reuses the same cached FileSystem object across the file system. If the
> client calls FileSystem.close(), closeAllForUgi(), or closeAll() (if it
> applies to the instance) anywhere in the system it purges the cache of that
> FS instance, and trying to use the instance results in an IOException:
> FileSystem closed.
> It would be a great help to clients to see where and when a given FS instance
> was closed. I.e. in close(), closeAllForUgi(), or closeAll(), it would be
> great to see a DEBUG-level log of
> * calling method name, class, file name/line number
> * FileSystem object's identity hash (FileSystem.close() only)
> For the full calling stack, turn on TRACE logging.
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