[ 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)