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From Alexander Smirnov <alexander.smirn...@gmail.com>
Subject Multi threaded operators?
Date Mon, 23 Apr 2018 09:54:30 GMT
Hi,

I have a co-flatmap function which reads data from external DB on specific
events.
The API for the DB layer is homegrown and it uses multiple threads to speed
up reading.

Can it cause any problems if I use the multithreading API in the flatmap1
function? Is it allowed in Flink?

Or, maybe I should employ better approaches for that. May be async I/O?

Thank you,
Alex

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