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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Deleted] (HDFS-7885) Datanode should not trust the generation stamp provided by client
Date Wed, 04 Mar 2015 23:47:39 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Suresh Srinivas updated HDFS-7885:
----------------------------------
    Comment: was deleted

(was: Suresh, 

Wanted to give you some background and context here

As you may know we are working with Pivotal and they are going to white
label HDP as PHD starting with PHD 3.0.

They have raised the issue of 3 patches that were in their Hadoop distro
that are critical for HAWQ to work.  We have asked them to create Apache
JIRAs so our experts can evaluate them and consider for inclusion in HDP.

Hopefully they will add some more detail soon

-- 
Regards,

Vinod K. Nair 


Partner Product Management | (650) 224-9741 | vnair@hortonworks.com



5470 Great America Parkway, Santa Clara, CA






)

> Datanode should not trust the generation stamp provided by client
> -----------------------------------------------------------------
>
>                 Key: HDFS-7885
>                 URL: https://issues.apache.org/jira/browse/HDFS-7885
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>    Affects Versions: 2.2.0
>            Reporter: vitthal (Suhas) Gogate
>            Priority: Critical
>
> Datanode should not trust the generation stamp provided by client, since it is prefetched
and buffered in client, and concurrent append may increase it.



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