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From "Srikanth Sundarrajan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FALCON-238) Support updates at specific time
Date Fri, 03 Jan 2014 16:55:51 GMT

    [ https://issues.apache.org/jira/browse/FALCON-238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13861664#comment-13861664

Srikanth Sundarrajan commented on FALCON-238:


> Support updates at specific time
> --------------------------------
>                 Key: FALCON-238
>                 URL: https://issues.apache.org/jira/browse/FALCON-238
>             Project: Falcon
>          Issue Type: New Feature
>            Reporter: Shwetha G S
>            Assignee: Shwetha G S
>             Fix For: 0.5
>         Attachments: FALCON-238.patch
> Currently, feed/process update sets end time of coordinator to now and then creates new
coord with start time as now. When updating a process's workflow/lib, its useful to stage
an update with specific timestamp so that all instances before the timestamp use the old lib
and instances after the timestamp use new lib. This is useful to roll-out any application
> This can be implemented by taking additional timestamp argument in update and honour
that whenever possible. For cases where this can't be honoured, return the update timestamp
always so that user is ware of when the new lib is used

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