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From "Sankar Hariappan (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HIVE-16591) DR for function Binaries on HDFS
Date Fri, 26 May 2017 14:13:04 GMT

    [ https://issues.apache.org/jira/browse/HIVE-16591?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16026042#comment-16026042
] 

Sankar Hariappan edited comment on HIVE-16591 at 5/26/17 2:12 PM:
------------------------------------------------------------------

[~anishek]

+1
2.patch looks good to me. Also, the test failures are irrelevant.
[~thejas], please have a look at the patch and if no comments, pls commit it to master.

Thanks!


was (Author: sankarh):
[~anishek]

2.patch looks good to me. Also, the test failures are irrelevant.
[~thejas], please have a look at the patch and if no comments, pls commit it to master.

Thanks!

> DR for function Binaries on HDFS 
> ---------------------------------
>
>                 Key: HIVE-16591
>                 URL: https://issues.apache.org/jira/browse/HIVE-16591
>             Project: Hive
>          Issue Type: Sub-task
>          Components: HiveServer2
>    Affects Versions: 3.0.0
>            Reporter: anishek
>            Assignee: anishek
>         Attachments: HIVE-16591.1.patch, HIVE-16591.2.patch
>
>
> # We have to make sure that during incremental dump we dont allow functions to be copied
if they have local filesystem "file://" resources.  -- depends how much system side work we
want to do, We are going to explicitly provide a caveat for replicating functions where in,
only functions created "using" clause will be replicated and the "using" clause prohibits
creating functions with the local "file://"  resources and hence doing additional checks when
doing repl dump might not be required. 
> # We have to make sure that during the bootstrap / incremental dump we append the namenode
host + port  if functions are created without the fully qualified location of uri on hdfs,
not sure how this would play for S3 or WASB filesystem.
> # We have to copy the binaries of a function resource list on CREATE / DROP FUNCTION
. The change management file system has to keep a copy of the binary when a DROP function
is called, to provide capability of updating binary definition for existing functions along
with DR. An example of list of steps is given in doc (ReplicateFunctions.pdf ) attached in
 parent Issue.



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