On Mon, May 15, 2017 at 5:04 PM, Masahiko Sawada <sawada.m...@gmail.com> wrote: > On Mon, May 15, 2017 at 8:22 PM, Kuntal Ghosh > <kuntalghosh.2...@gmail.com> wrote: >> On Mon, May 15, 2017 at 4:39 PM, Masahiko Sawada <sawada.m...@gmail.com> >> wrote: >> >> While testing with logical replication, I've found that the server >> hangs if we create a subscription to the same server. For example, >> >> $ ./pg_ctl -D Test start -o "-p 5432" >> $ ./psql -p 5432 postgres -c "CREATE PUBLICATION abc for all tables >> with (publish='delete');" >> $ ./psql -p 5432 postgres -c "create subscription sub connection >> 'dbname=postgres port=5432 user=edb password=edb' publication abc with >> (slot_name='abcslot');" >> NOTICE: synchronized table states >> LOG: logical decoding found initial starting point at 0/162DF18 >> DETAIL: Waiting for transactions (approximately 1) older than 560 to end. >> >> And, it hangs. Is this an expected behavior? > > I guess this is what we're discussing on [1]. > Petr answered on that, > === > Yes that's result of how logical replication slots work, the transaction > that needs to finish is your transaction. It can be worked around by > creating the slot manually via the SQL interface for example and create > the subscription using WITH (NOCREATE SLOT, SLOT NAME = 'your slot') . > === > > [1] https://www.postgresql.org/message-id/20170426165954.GK14000%40momjian.us > Ohh I see. Thank you.
-- Thanks & Regards, Kuntal Ghosh EnterpriseDB: http://www.enterprisedb.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
