[jira] [Updated] (HDFS-240) Should HDFS restrict the names used for files?

["Andrew Wang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Wang updated HDFS-240:
-----------------------------
    Affects Version/s: 2.7.2
     Target Version/s: 3.0.0
         Hadoop Flags: Incompatible change

This would be great to get into the next major release, setting the target version for tracking.

We have "-renameReserved" functionality introduced in HDFS-5709 that we can leverage to rename invalid paths on upgrade.

> Should HDFS restrict the names used for files?
> ----------------------------------------------
>
>                 Key: HDFS-240
>                 URL: https://issues.apache.org/jira/browse/HDFS-240
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>    Affects Versions: 2.7.2
>            Reporter: Robert Chansler
>
> When reviewing the consequences of HADOOP-6017 (the name system could not start because a file name interpreted as a regex caused a fault), the discussion turned to improving the test set for file system functions by broadening the set of names used for testing. Presently, HDFS allows any name without a slash. _Should the space of names be restricted?_ If most funny names are unintended, maybe the user would benefit from an early error indication. A contrary view is that restricting names is so 20th-century.
> Should be or shouldn't we?



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