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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8012) Updatable HAR Filesystem
Date Tue, 24 Nov 2015 03:39:11 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8012?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo Nicholas Sze updated HDFS-8012:
--------------------------------------
    Component/s:     (was: HDFS)

> Updatable HAR Filesystem
> ------------------------
>
>                 Key: HDFS-8012
>                 URL: https://issues.apache.org/jira/browse/HDFS-8012
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: fs, hdfs-client
>            Reporter: Madhan Sundararajan Devaki
>            Priority: Critical
>
> Improvement: Updatable HAR Filesystem.
> The following operations may be supported additionally.
> + Add new files [ -a filename-uri1 filename-uri2 ... / -a dirname-uri1 dirname-uri2 ...]
> + Remove existing files [ -d filename-uri1 filename-uri2 ... / -d dirname-uri1 dirname-uri2
...]
> + Update/Replace existing files (Optional) [ -u old-filename-uri new-filename-uri]
> This is required in cases where data is stored in AVRO format in HDFS and the corresponding
.avsc files are used to create Hive external tables.
> This will lead to the small files (.avsc files in this case) problem when there are a
large number of tables that need to be loaded into Hive as external tables as is the typical
case during a Datawarehouse migration.



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