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use replication slot or Adjust wal_keep_segments #13

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k-ta-yamada opened this issue Nov 17, 2017 · 0 comments

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enhancement postgresql

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k-ta-yamada commented Nov 17, 2017 •

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PostgreSQL本体のレプリケーション機能強化 (3/4)

postgresql.conf
- standby node
  - hot_standby = on
  - hot_standby_feedback = on
- master node
  - wal_level = ~~hot_standby~~replica
  - max_wal_senders = 2
  - max_replication_slots = 2
create(on master node)
- SELECT * FROM pg_create_physical_replication_slot('a_slot');
recovery.conf(on standby node)
- primary_slot_name = 'a_slot'
check
- SELECT slot_name, active FROM pg_replication_slots;
delete
- SELECT pg_drop_replication_slot('a_slot');

19.6.1. 送出サーバ群

max_replication_slots (integer)
wal_keep_segments (integer)

26.2.6. レプリケーションスロット

k-ta-yamada self-assigned this

k-ta-yamada added the enhancement label

k-ta-yamada changed the title ~~use replication slot or Adjust wal_keep_segments~~ use replication slot or Adjust wal_keep_segments

k-ta-yamada changed the title ~~use replication slot or Adjust wal_keep_segments~~ use replication slot or Adjust wal_keep_segments

k-ta-yamada added the postgresql label

k-ta-yamada removed their assignment

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