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 fac…
The people using PostgreSQL and the Streaming Replication feature seem to ask many of the same questions: 1. How best to monitor Streaming Replication? 2. What is the best way to do that? 3. Are there alternatives, when monitoring on Standby, to usin…
转自:https://severalnines.com/blog/top-pg-clustering-ha-solutions-postgresql If your system relies on PostgreSQL databases and you are looking for clustering solutions for HA, we want to let you know in advance that it is a complex task, but not imposs…
Basic Replication If you’re feeling overwhelmed, try setting up a slave to see how easy it is! We’ll assume that you have a running PostgreSQL installation on the IP 10.0.0.10 and that you’re setting up a slave at 10.0.0.11, with both running Postgre…
http://www.postgresql.org/docs/9.3/static/runtime-config-replication.html 参考官方文档: 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 strea…