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https://issues.apache.org/jira/browse/HADOOP-3003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12578020#action_12578020
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Doug Cutting commented on HADOOP-3003:
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> Do you want me to remove it or keep it for future use?
Please remove it. We should not keep dead code around for future use, since
plans often change and then we end up with just dead code.
> FileSystem cache key should be updated after a FileSystem object is created
> ---------------------------------------------------------------------------
>
> Key: HADOOP-3003
> URL: https://issues.apache.org/jira/browse/HADOOP-3003
> Project: Hadoop Core
> Issue Type: Bug
> Components: fs
> Affects Versions: 0.17.0
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Fix For: 0.17.0
>
> Attachments: 3003_20080311.patch
>
>
> In FileSystem.get(uri, conf), it first creates a cache key from the uri and
> the conf and then lookups the corresponding FileSystem object in the cache.
> If the object is not found, it initializes a FileSystem object and put it to
> the cache with the key. However, during FileSystem creation, the conf might
> be modified. In such case, the key should be updated before putting it to
> the cache.
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