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PostgreSQL 9.4 streaming replication over SSL with ... PostgreSQL 9.4 streaming replication over SSL with Replication Slots I never really liked the concept of keeping wal files in case the replica goes down proactively, setting wal_keep_segments was always a tricky number and most of the time we ended up setting this for the worst case scenario, something that means space consumption for no (under normal circumstances) good reason. PostgreSQL Replication Slots - OpsDash PostgreSQL Replication Slots Improve WAL archiving and streaming replication using replication slots. PostgreSQL 9.4 and later come with a feature called “replication slots”.

Postgres 9.4 feature highlight - Physical slots for

PostgreSQL 9.4.5文書 ... max_replication_slots (integer) サーバが使用できるレプリケーションスロット ... max_standby_streaming_delayはキャンセル前に問い合わせが実行できる最大の時間の長さと同じでないことに注意してください。むしろ、プライマリサーバから一度 ... Streaming replication slots in PostgreSQL 9.4 Streaming replication slots are a new facility introduced in PostgreSQL 9.4. They are a persistent record of the state of a replica that is kept on the master server even when the replica is offline and disconnected. They aren’t used for physical replication by default, so you’ll only be dealing with them if you enable their use. PostgreSQL Streaming Physical Replication With Slots ... PostgreSQL streaming physical replication with slots simplifies setup and maintenance procedures. Usually, you should estimate disk usage for the Write Ahead Log (WAL) and provide appropriate limitation to the number of segments and setup of the WAL archive procedure. In this article, you will see ... postgresql - How to delete replication slot in postgres 9 ... How to delete replication slot in postgres 9.4. ... 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. ... Browse other questions tagged postgresql replication postgresql-9.4 or ask your own question. asked. 3 years, 10 months ago ...

Jak správně nastavit Postgres Streaming replication

PostgreSQL streaming physical replication with slots simplifies setup and maintenance procedures. Usually, you should estimate disk usage for the Write Ahead Log (WAL) and provide appropriate limitation to the number of segments and setup of the WAL archive procedure. In this article, you will see ... PostgreSQL: Documentation: 9.4: pg_replication_slots

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The replication stream will send all changes since the creation of the replication slot or from replication slot restart LSN if the slot was already used for replication. You can also start streaming changes from a particular LSN position,in that case LSN position should be specified when you create the replication stream. Example 9.7. PostgreSQL 9.4 streaming replication over SSL with ... PostgreSQL 9.4 streaming replication over SSL with Replication Slots I never really liked the concept of keeping wal files in case the replica goes down proactively, setting wal_keep_segments was always a tricky number and most of the time we ended up setting this for the worst case scenario, something that means space consumption for no (under ... What's new in PostgreSQL 9.4 - PostgreSQL wiki In future logical replication will also take advantage of replication slots. Changeset Streaming / Logical decoding . In 9.4, Changeset Streaming, otherwise known as "Logical Decoding", supplies an new API for reading, filtering and manipulating the PostgreSQL replication stream.

The replication stream will send all changes since the creation of the replication slot or from replication slot restart LSN if the slot was already used for replication. You can also start streaming changes from a particular LSN position,in that case LSN position should be specified when you create the replication stream. Example 9.7.

In future logical replication will also take advantage of replication slots. Changeset Streaming / Logical decoding . In 9.4, Changeset Streaming, otherwise known as "Logical Decoding", supplies an new API for reading, filtering and manipulating the PostgreSQL replication stream. streaming replication Archives - 2ndQuadrant | PostgreSQL Streaming replication slots in PostgreSQL 9.4 February 25, 2014 / 11 Comments / in Craig's PlanetPostgreSQL / by craig.ringer Streaming replication slots are a pending feature in PostgreSQL 9.4, as part of the logical changeset extraction feature. Replication slots in Postgresql – Torbjørn Kristoffersen ... 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. Postgres 9.4 feature highlight - Physical slots for ... 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...