Postgresql 9.4 streaming replication slots

PostgreSQL: Documentation: 9.4: Streaming Replication Protocol

Mar 12, 2014 · Michael Paquier - PostgreSQL hacker. Replication slots is a new feature of PostgreSQL 9.4 that has been introduced by this commit: commit 858ec11858a914d4c380971985709b6d6b7dd6fc Author: Robert Haas Date: Fri Jan 31 22:45:17 2014 -0500 Introduce replication slots. Replication slots are a crash-safe data structure which can... PostgreSQL streaming replication with slots works for one PostgreSQL streaming replication with slots works for one slave, but not for another slave. Ask Question 2. Master (10.0.0.1): Streaming Replication in PostgreSQL. 8. ... PostgreSQL Slave has more files in pg_xlog than /wal_archive. 5. Postgres 9.4, replication slots… postgresql - How to delete replication slot in postgres 9 Use pg_drop_replication_slot: select pg_drop_replication_slot('bottledwater'); See the docs and this blog. The replication slot must be inactive, i.e. no active connections. So if there's a streaming replica using the slot you must stop the streaming replica. Or you can change its recovery.conf so it doesn't use a slot anymore and restart it. Postgresql 9.4 Setup Replication with Slots - YouTube

Streaming replication slots in PostgreSQL 9.4 - Still ...

Setting it to a lower value than the number of currently existing replication slots will prevent the server from starting. wal_keep_segments (integer) Specifies the minimum number of past log file segments kept in the pg_xlog directory, in case a standby server needs to fetch them for streaming replication. Each segment is normally 16 megabytes. Streaming Replication Slots in PostgreSQL 9.4 - blogspot.com

The replication slot must be inactive, i.e. no active connections. So if there's a streaming replica using the slot you must stop the streaming replica. Or you can change its recovery.conf so it doesn't use a slot anymore and restart it.

Replication slots in Postgresql – Torbjørn Kristoffersen Jun 30, 2015 · PostgreSQL 9.4. One of these new features is the concept of replication slots. This should appeal to those of us running streaming replication between a master and one or several hot standbys (or just archiving standbys). Before 9.4, in the event of a standby going offline, a master kept set a number of WAL files until the standby comes back online. PostgreSQL: Documentation: 9.4: Streaming Replication Protocol Documentation → PostgreSQL 9.4. ... To initiate streaming replication, ... This parameter is required, and must correspond to an existing logical replication slot created with CREATE_REPLICATION_SLOT in LOGICAL mode. XXX/XXX. The WAL position to begin streaming at. option_name.

Streaming only PostgreSQL replication

The replication slot must be inactive, i.e. no active connections. So if there's a streaming replica using the slot you must stop the streaming replica. Or you can change its recovery.conf so it doesn't use a slot anymore and restart it.

Streaming replication slots are a pending feature in PostgreSQL 9.4, as part of the logical changeset extraction feature. What are they for, what do you need to know, what changes? What are replication slots? Streaming replication slots are a new facility introduced in PostgreSQL 9.4. They are a persistent record of the state of a […]

Streaming replication slots are a pending feature in PostgreSQL 9.4, as part of the logical changeset extraction feature. What are they for, what do you need to know, what changes? What are replication slots? Streaming replication slots are a new facility introduced in PostgreSQL 9.4. They are a persistent record of the state of a […] PostgreSQL: Documentation: 9.4: Replication Setting it to a lower value than the number of currently existing replication slots will prevent the server from starting. wal_keep_segments (integer) Specifies the minimum number of past log file segments kept in the pg_xlog directory, in case a standby server needs to fetch them for streaming replication. Each segment is normally 16 megabytes. Streaming Replication Slots in PostgreSQL 9.4 - blogspot.com Streaming Replication Slots in PostgreSQL 9.4 The bellow Nine steps will give the configuration steps for Streaming Replication Slot with cascading in PPAS-9.5 Let’s go with hands on. PostgreSQL 9.4 streaming replication over SSL with ...