Обсуждение: pgsql: Doc: Update documentation for asynchronous execution.

Doc: Update documentation for asynchronous execution.

Add a note of caution on the performance of asynchronous execution by
postgres_fdw.  Follow-up for commit 27e1f1456.

Stephen Frost, a little bit expanded by me.

Discussion: https://postgr.es/m/20210506171224.GV20766%40tamriel.snowman.net

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/15fcd33e0694428d0567a6796891b759bc91e6f9

Modified Files
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doc/src/sgml/postgres-fdw.sgml | 10 ++++++++++
1 file changed, 10 insertions(+)