On 5/19/17 01:01, Masahiko Sawada wrote: > Seems all four table sync workers are launched at the almost same > time, but three workers of them get stuck in idle transaction state > when creating replication slot. That is these waiting workers cannot > proceed its work until first connected table sync worker finishes. ps > command shows the followings.
Creating a replication slot waits for all transactions to finish. So if one of those transactions is a table copy of another subscription, it has to wait for that. You can avoid that by creating all the slots first and then triggering the initial table copy separately. -- Peter Eisentraut http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers