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Re: [HACKERS] make async slave to wait for lsn to be replayed - Mailing list pgsql-hackers

From Kartyshov Ivan
Subject Re: [HACKERS] make async slave to wait for lsn to be replayed
Date
Msg-id c81840f6f790eac1e585e23845774ed3@postgrespro.ru
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In response to Re: [HACKERS] make async slave to wait for lsn to be replayed  (Alvaro Herrera <alvherre@alvh.no-ip.org>)
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I did some experiments over synchronous replications and
got that cascade replication can`t be synchronous. And 
pg_wal_replay_wait() allows us to read your writes
consistency on cascade replication.
Beyond that, I added more tests on multi-standby replication
and cascade replications.

-- 
Ivan Kartyshov
Postgres Professional: www.postgrespro.com
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