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From Keith Wiley <kwi...@keithwiley.com>
Subject Streaming doesn't update status/counters
Date Thu, 14 Nov 2013 00:01:10 GMT
I'm running Hive queries that use python scripts for the reducer.  This method seems to act
like streaming in all conventional ways (namely, output must be sent to stdout and ancillary
output can be sent to stderr).

I am not seeing status updates or counter updates however.  I'm doing it the usual way, by
sending messages of the following forms to stderr:


I'm also attempting to send keep alives:

I can see all of these messages appearing in stderr, but they don't show up in the expected
places in the job tracker...and I have no idea if the keep alives are "working" either.

With regard to counters, I'm not sure if I need to initialize or notify hadoop of the group/counter
ids in advance, but with regard to status it should be very straight-forward, and I'm not
seeing anything.  The status jus says "reduce > reduce", as always.

Thanks for any help on this.

Keith Wiley     kwiley@keithwiley.com     keithwiley.com    music.keithwiley.com

"And what if we picked the wrong religion?  Every week, we're just making God
madder and madder!"
                                           --  Homer Simpson

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