[
https://issues.apache.org/jira/browse/HDFS-6502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14029492#comment-14029492
]
Yongjun Zhang commented on HDFS-6502:
-------------------------------------
Hmm, sorry I found something I missed, can we change
{quote}
`-update` is used to copy files from source that don't exist at the target,
or have different contents. `-overwrite` overwrites target-files even if they
exist at the target.
{quote}
to
{quote}
`-update` is used to copy files from source that don't exist at the target
or differ than the target version.
`-overwrite` overwrites target-files that exist at the target.
{quote}
+1 from me after this. Still need a committer to review.
Thanks.
> incorrect description in distcp2 document
> -----------------------------------------
>
> Key: HDFS-6502
> URL: https://issues.apache.org/jira/browse/HDFS-6502
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: documentation
> Affects Versions: 1.2.1, 2.5.0
> Reporter: Yongjun Zhang
> Assignee: Akira AJISAKA
> Labels: newbie
> Attachments: HDFS-6502.2.patch, HDFS-6502.patch
>
>
> In http://hadoop.apache.org/docs/r1.2.1/distcp2.html#UpdateAndOverwrite
> The first statement of the "Update and Overwrite" section says:
> {quote}
> -update is used to copy files from source that don't exist at the target, or
> have different contents. -overwrite overwrites target-files even if they
> exist at the source, or have the same contents.
> {quote}
> The "Command Line Options" table says :
> {quote}
> -overwrite: Overwrite destination
> -update: Overwrite if src size different from dst size
> {quote}
> Based on the implementation, making the following modification would be more
> accurate:
> The first statement of the "Update and Overwrite" section:
> {code}
> -update is used to copy files from source that don't exist at the target, or
> have different contents. -overwrite overwrites target-files if they exist at
> the target.
> {code}
> The "Command Line Options" table:
> {code}
> -overwrite: Overwrite destination
> -update: Overwrite destination if source and destination have different
> contents
> {code}
> Thanks.
--
This message was sent by Atlassian JIRA
(v6.2#6252)
