Doc: Clarify interactions of pg_receivexlog with remote_apply

Michael Paquier <michael@paquier.xyz>

Commit: 4a25ed16400c01fb64c23d2d6f413af95b4e28f8
Author: Michael Paquier <michael@paquier.xyz>
Date: 2019-07-24T02:26:52Z
Releases: 9.6.15
Doc: Clarify interactions of pg_receivexlog with remote_apply

Using pg_receivexlog with synchronous_commit = remote_apply set in the
backend is incompatible if pg_receivexlog is a synchronous standby as it
never applies WAL, so document this problem and solutions to it.

Backpatch to 9.6, where remote_apply has been added.

Author: Robert Haas, Jesper Pedersen
Reviewed-by: Laurenz Albe, Álvaro Herrera, Michael Paquier
Discussion: https://postgr.es/m/1427a2d3-1e51-9335-1931-4f8853d90d5e@redhat.com
Backpatch-through: 9.6

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doc/src/sgml/ref/pg_receivexlog.sgml modified +11 −1

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