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https://issues.apache.org/jira/browse/HDFS-12213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16156007#comment-16156007
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Anu Engineer commented on HDFS-12213:
-------------------------------------

tagging this as an "ozone merge" work item, since having an online tool makes 
the ozone system work against some real world data. This is not a must *do* 
work item before merge since the offline tool already provides enough workload. 
So let us shoot for the best effort basis for this.

> Ozone: Corona: Support for online mode
> --------------------------------------
>
>                 Key: HDFS-12213
>                 URL: https://issues.apache.org/jira/browse/HDFS-12213
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>            Reporter: Nandakumar
>            Assignee: Nandakumar
>              Labels: ozoneMerge, tool
>
> This jira brings support for online mode in corona.
> In online mode, common crawl data from AWS will be used to populate ozone 
> with data. Default source is [CC-MAIN-2017-17/warc.paths.gz | 
> https://commoncrawl.s3.amazonaws.com/crawl-data/CC-MAIN-2017-17/warc.paths.gz]
>  (it contains the path to actual data segment), user can override this using 
> -source.
> The following values are derived from URL of Common Crawl data
> * Domain will be used as Volume
> * URL will be used as Bucket
> * FileName will be used as Key



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