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From "Dale LaBossiere (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QUARKS-50) stream tags need to be "duplicated" through metric and fanout oplets
Date Fri, 08 Apr 2016 14:32:25 GMT

    [ https://issues.apache.org/jira/browse/QUARKS-50?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15232261#comment-15232261
] 

Dale LaBossiere commented on QUARKS-50:
---------------------------------------

This request only makes sense for cases where by definition of the operation the returned/output
stream is "logically identical to" the input stream - peek and fanout.  In fact TStream.peek()
says that it returns "this" -- I think that pretty clearly leads one to expect / implies the
console should end up rendering the returned stream the same as "this".

Definitely not Split nor Filter - that seems obvious to me.

Definitely not plumbing related things IMO.  If there's some case where the user wants that
behavior they can manually add/duplicate tags as you described.  Is there a compelling case
where duplication always makes sense?

> stream tags need to be "duplicated" through metric and fanout oplets
> --------------------------------------------------------------------
>
>                 Key: QUARKS-50
>                 URL: https://issues.apache.org/jira/browse/QUARKS-50
>             Project: Quarks
>          Issue Type: Improvement
>          Components: Console, Runtime
>            Reporter: Dale LaBossiere
>              Labels: newbie
>         Attachments: Screen Shot 2016-03-21 at 12.46.01 PM.png
>
>
> In a vintage 21Mar console's "static flow" view, stream (tag) coloring isn't retained
through metric/peek and fanout oplets.  That makes it more difficult to identify streams.
 That's particularly true in conjunction with the desire to minimizing the visual impact of
injected metric oplets.  See the streams associated with oplets 12,16,15,21 in the attached
image.
> The output streams of those oplets are by definition the same content as the input stream
so the input tags should be duplicated on the oplets' output streams.  Seems like a runtime
issue not a console issue.



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