Greg Stark <gsst...@mit.edu> writes:
> On Thu, Jun 3, 2010 at 12:11 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:
>> It is off-base.  The receiver does not "request" data, the sender is
>> what determines how much WAL is sent when.

> Hm, so what happens if the slave blocks, doesn't the sender block when
> the kernel buffers fill up?

Well, if the slave can't keep up, that's a separate problem.  It will
not fail to keep up as a result of the transmission mechanism.

                        regards, tom lane

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