Deja vu!

IMO, what you are describing is a database problem, even though you are
talking/thinking about it as a queue problem. I'm sure you could construct
something using Kafka (and Samza), but I think you'd have an easier time
with a database. The number of pending messages per user and the average
message size would be critical in selecting exactly which sort of database
to use.

My $0.02.

On Thu, Dec 5, 2013 at 7:47 PM, mission mission <[EMAIL PROTECTED]>wrote:
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