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From Ben Hood <0x6e6...@gmail.com>
Subject CQL flow control
Date Wed, 05 Feb 2014 14:14:23 GMT
Hi,

A discussion has arisen in the gocql team about how to handle
saturation when CQL clients are sending in packets at a faster rate
than the Cassandra cluster can sustain.

What is the general approach to this from a server perspective? Is
there any flow control that the server can apply to back pressure onto
the sending driver? If this were the case, you could code the driver
to propagate this back pressure onto the sending app.

If not, how do other driver implementors view this situation? Do you
try to maintain some kind of flow control at the driver level so that
you can push back onto the app, or you just let the effects of IO
saturation just bubble up to the app?

Cheers,

Ben

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