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From "Mukul Kumar Singh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12275) Ozone: Corona: Support for random validation of writes
Date Mon, 21 Aug 2017 09:53:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16134965#comment-16134965
] 

Mukul Kumar Singh commented on HDFS-12275:
------------------------------------------

Thanks for the patch [~nandakumar131], the patch looks really good. Here are my comments

1) The current code will not verify each and every key, it will mostly verify only a subset
of key and values. Please add a comment for this.

2) Corona.java:552 - it will be great to add a percentage of number of keys verified.

3) Corona.java:574: Can this poll be converted to a take ?

> Ozone: Corona: Support for random validation of writes
> ------------------------------------------------------
>
>                 Key: HDFS-12275
>                 URL: https://issues.apache.org/jira/browse/HDFS-12275
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>            Reporter: Nandakumar
>            Assignee: Nandakumar
>         Attachments: HDFS-12275-HDFS-7240.000.patch
>
>
> {{Corona}} populates ozone with data, this jira will add support in {{Corona}} to do
random validation of data written into ozone.
> {{-validateWrites}} options will be used to enable this feature, by default Corona will
not do any data validation.
> Note: Validation is done randomly, not for all keys.



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