[jira] Reopened: (HADOOP-6231) Allow caching of filesystem instances to be disabled on a per-instance basis

["Ben Slusky (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-6231?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ben Slusky reopened HADOOP-6231:
--------------------------------

      Assignee: Ben Slusky  (was: Tom White)

This fixes a bug affecting all releases from 0.18 (when Hadoop archives were introduced). Without this patch, only one Hadoop archive can be opened at a time:

{noformat}
$ hadoop dfs -ls har:///user/knoguchi/test.har har:///user/knoguchi/test2.har
Found 1 items
drw-r--r--   - knoguchi users          0 2009-08-18 18:52 /user/knoguchi/test.har/user
ls: Invalid file name: /user/knoguchi/test2.har in har:///user/knoguchi/test.har

$ hadoop dfs -ls har:///user/knoguchi/test2.har har:///user/knoguchi/test.har
Found 1 items
drw-------   - knoguchi users          0 2009-08-17 19:15 /user/knoguchi/test2.har/user
ls: Invalid file name: /user/knoguchi/test.har in har:///user/knoguchi/test2.har
{noformat}

> Allow caching of filesystem instances to be disabled on a per-instance basis
> ----------------------------------------------------------------------------
>
>                 Key: HADOOP-6231
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6231
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.18.0, 0.18.1, 0.18.2, 0.18.3, 0.19.0, 0.19.1, 0.19.2, 0.20.0, 0.20.1
>            Reporter: Tom White
>            Assignee: Ben Slusky
>             Fix For: 0.20.2
>
>         Attachments: HADOOP-6231-branch-0.20.patch, HADOOP-6231-v2.patch, HADOOP-6231.patch
>
>
> HAR filesystem instances should not be cached, so this JIRA seeks to provide a general mechanism for disabling the cache on a per-filesystem basis. (Carried over from HADOOP-6097.)

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