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From "Venkatesh Seetharam (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FALCON-108) HCat integration is additionally done via http
Date Tue, 15 Oct 2013 18:08:42 GMT

    [ https://issues.apache.org/jira/browse/FALCON-108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13795451#comment-13795451
] 

Venkatesh Seetharam commented on FALCON-108:
--------------------------------------------

There are quite a few limitations today to be used in Falcon.

* Api does not return the table type, External or Managed, required for Eviction
* There is no partition filter API in webhcat, again required for evicting candidate partitions.
The current API returns all partitions and server could run OOM
* Does not support proxy doAs, which is required for secure falcon since webhcat itself acts
as a proxy for Hive
* webhcat does not use Hive/HCatalog API but uses bin scripts which needs Hive, Hadoop and
HCatalog t o be installed and env exported. This is a major limitation for Falcon integration
tests which brings up these services when int-tests run


> HCat integration is additionally done via http
> ----------------------------------------------
>
>                 Key: FALCON-108
>                 URL: https://issues.apache.org/jira/browse/FALCON-108
>             Project: Falcon
>          Issue Type: Sub-task
>            Reporter: Srikanth Sundarrajan
>
> HCat integration is currently done through thrift interface (FALCON-96). Though the WebHCat
implementation is coded up, it is yet to be tested or integrated. It would be good to have
that done. 



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