[jira] [Updated] (HADOOP-15208) DistCp to offer -xtrack option to save src/dest filesets as alternative to delete()

2018-03-19 Thread Wangda Tan (JIRA)

 [ 
https://issues.apache.org/jira/browse/HADOOP-15208?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Wangda Tan updated HADOOP-15208:

Fix Version/s: 3.1.0

> DistCp to offer -xtrack  option to save src/dest filesets as 
> alternative to delete()
> --
>
> Key: HADOOP-15208
> URL: https://issues.apache.org/jira/browse/HADOOP-15208
> Project: Hadoop Common
>  Issue Type: New Feature
>  Components: tools/distcp
>Affects Versions: 2.9.0
>Reporter: Steve Loughran
>Assignee: Steve Loughran
>Priority: Major
> Fix For: 3.1.0, 3.2.0
>
> Attachments: HADOOP-15208-001.patch, HADOOP-15208-002.patch, 
> HADOOP-15208-002.patch, HADOOP-15208-003.patch
>
>
> There are opportunities to improve distcp delete performance and scalability 
> with object stores, but you need to test with production datasets to 
> determine if the optimizations work, don't run out of memory, etc.
> By adding the option to save the sequence files of source, dest listings, 
> people (myself included) can experiment with different strategies before 
> trying to commit one which doesn't scale



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[jira] [Updated] (HADOOP-15208) DistCp to offer -xtrack option to save src/dest filesets as alternative to delete()

2018-03-16 Thread Steve Loughran (JIRA)

 [ 
https://issues.apache.org/jira/browse/HADOOP-15208?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Steve Loughran updated HADOOP-15208:

Summary: DistCp to offer -xtrack  option to save src/dest filesets as 
alternative to delete()  (was: DistCp to offer option to save src/dest filesets 
as alternative to delete())

> DistCp to offer -xtrack  option to save src/dest filesets as 
> alternative to delete()
> --
>
> Key: HADOOP-15208
> URL: https://issues.apache.org/jira/browse/HADOOP-15208
> Project: Hadoop Common
>  Issue Type: New Feature
>  Components: tools/distcp
>Affects Versions: 2.9.0
>Reporter: Steve Loughran
>Assignee: Steve Loughran
>Priority: Major
> Fix For: 3.2.0
>
> Attachments: HADOOP-15208-001.patch, HADOOP-15208-002.patch, 
> HADOOP-15208-002.patch, HADOOP-15208-003.patch
>
>
> There are opportunities to improve distcp delete performance and scalability 
> with object stores, but you need to test with production datasets to 
> determine if the optimizations work, don't run out of memory, etc.
> By adding the option to save the sequence files of source, dest listings, 
> people (myself included) can experiment with different strategies before 
> trying to commit one which doesn't scale



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