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From "Anu Engineer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12071) Ozone: Corona: Implementation of Corona
Date Fri, 21 Jul 2017 02:58:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16095704#comment-16095704

Anu Engineer commented on HDFS-12071:

we need to add this to hdfs shell script. But right now is running like this.

bin/hadoop jar /Users/nvadivelu/Apache/hadoop-3.0.0-alpha4-SNAPSHOT/share/hadoop/hdfs/hadoop-hdfs-client-3.0.0-alpha4-SNAPSHOT-tests.jar
org.apache.hadoop.test.OzoneTestDriver corona -numOfVolumes 5 -numOfBuckets 5 -numOfKeys 5

> Ozone: Corona: Implementation of Corona
> ---------------------------------------
>                 Key: HDFS-12071
>                 URL: https://issues.apache.org/jira/browse/HDFS-12071
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>            Reporter: Nandakumar
>            Assignee: Nandakumar
>         Attachments: HDFS-12071-HDFS-7240.000.patch, HDFS-12071-HDFS-7240.001.patch,
> Tool to populate ozone with data for testing.
> This is not a map-reduce program and this is not for benchmarking Ozone write throughput.
> It supports both online and offline modes. Default mode is offline, {{-mode}} can be
used to change the mode.
> In online mode, active internet connection is required, common crawl data from AWS will
be used. 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
> In offline mode, the data will be random bytes and size of data will be 10 KB.
> * Default number of Volumes 10, {{-numOfVolumes}} can be used to override 
> * Default number of Buckets per Volume 1000, {{-numOfBuckets}} can be used to override

> * Default number of Keys per Bucket 500000, {{-numOfKeys}} can be used to override 

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