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From "Ajay Yadava (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FALCON-1105) Recipe repository management API's and CLI support
Date Fri, 28 Aug 2015 12:14:47 GMT

    [ https://issues.apache.org/jira/browse/FALCON-1105?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14718434#comment-14718434
] 

Ajay Yadava commented on FALCON-1105:
-------------------------------------

Cleaning up fix Versions for 0.7 release.

> Recipe repository management API's and CLI support
> --------------------------------------------------
>
>                 Key: FALCON-1105
>                 URL: https://issues.apache.org/jira/browse/FALCON-1105
>             Project: Falcon
>          Issue Type: Sub-task
>          Components: client
>    Affects Versions: 0.6
>            Reporter: Sowmya Ramesh
>            Assignee: Sowmya Ramesh
>              Labels: Recipe
>         Attachments: FALCON-1105.v0.patch
>
>
> *Recipe Listing*
> A GET method may be added to the Prism server on a new Jersey resource to list recipes
and their corresponding root location on recipe repository. Corresponding CLI methods to be
present
> {noformat}
> [hrt_qa@node-1 recipe]$ falcon recipe -list
> List of recipes
> {
>   "totalSize": 2,
>   "results": {
>     "hdfs-replication": "hdfs://node-1.example.com:8020/apps/falcon/recipe/hdfs-replication",
>     "hive-disaster-recovery": "hdfs://node-1.example.com:8020/apps/falcon/recipe/hive-disaster-recovery"
>   }
> }
> {noformat}
> *Get resources of a given recipe*
> List all the resources of a given recipe
> {noformat}
> [hrt_qa@node-1 recipe]$ falcon recipe -getResources -name hdfs-replication
> {
>   "totalSize": 3,
>   "results": {
>     "hdfs-replication-template.xml": "hdfs://node-1.example.com:8020/apps/falcon/recipe/hdfs-replication/resources/build/hdfs-replication-template.xml",
>     "hdfs-replication-workflow.xml": "hdfs://node-1.example.com:8020/apps/falcon/recipe/hdfs-replication/resources/runtime/hdfs-replication-workflow.xml",
>     "hdfs-replication.properties": "hdfs://node-1.example.com:8020/apps/falcon/recipe/hdfs-replication/resources/build/hdfs-replication.properties"
>   }
> }
> {noformat}
> *Recipe Description*
> A GET method may be added to the Prism server to echo the README as documentation for
the users. This may contain brief on the functionality offered by the recipe and any operability
notes of importance
> {noformat}
> [hrt_qa@node-1 recipe]$ falcon recipe -describe -name hdfs-replication
> HDFS Directory Replication Recipe
> Overview
> This recipe implements replicating arbitrary directories on HDFS from one
> Hadoop cluster to another Hadoop cluster.
> This piggy backs on replication solution in Falcon which uses the DistCp tool.
> Use Case
> * Copy directories between HDFS clusters with out dated partitions
> * Archive directories from HDFS to Cloud. Ex: S3, Azure WASB
> Limitations
> As the data volume and number of files grow, this can get inefficient.
> {noformat}



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