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doc: Minor README/FAQ rewording
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FAQ.md
4
FAQ.md
@@ -8,11 +8,11 @@ General
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- What's the difference between the repmgr versions?
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- What's the difference between the repmgr versions?
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repmgr v3 builds on the improved replication facilities added
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repmgr 3.x builds on the improved replication facilities added
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in PostgreSQL 9.3, as well as improved automated failover support
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in PostgreSQL 9.3, as well as improved automated failover support
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via `repmgrd`, and is not compatible with PostgreSQL 9.2 and earlier.
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via `repmgrd`, and is not compatible with PostgreSQL 9.2 and earlier.
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repmgr v2 supports PostgreSQL 9.0 onwards. While it is compatible
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repmgr 2.x supports PostgreSQL 9.0 onwards. While it is compatible
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with PostgreSQL 9.3 and later, we recommend repmgr v3.
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with PostgreSQL 9.3 and later, we recommend repmgr v3.
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- What's the advantage of using replication slots?
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- What's the advantage of using replication slots?
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15
README.md
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README.md
@@ -48,20 +48,21 @@ automatic failover.
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Requirements
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Requirements
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------------
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------------
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`repmgr` is developed and tested on Linux, but it should work on any
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`repmgr` is developed and tested on Linux and OS X, but it should work
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UNIX-like system which PostgreSQL itself supports.
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on any UNIX-like system which PostgreSQL itself supports.
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All nodes must be running the same major version of PostgreSQL, and we
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All nodes must be running the same major version of PostgreSQL, and we
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recommend that they also run the same minor version. This version of
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recommend that they also run the same minor version. This version of
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`repmgr` (v3) supports PostgreSQL 9.3 and 9.4.
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`repmgr` (v3) supports PostgreSQL 9.3 and 9.4.
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Earlier versions of `repmgr` required password-less SSH access between
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Earlier versions of `repmgr` needed password-less SSH access between
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nodes in order to clone standby servers using `rsync`. `repmgr 3` can
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nodes in order to clone standby servers using `rsync`. `repmgr 3` can
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use `pg_basebackup` instead in most circumstances; ssh is not needed.
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use `pg_basebackup` instead in most circumstances; ssh is not required.
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You will need to use rsync only if your PostgreSQL configuration files
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You will need to use rsync only if your PostgreSQL configuration files
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are outside your data directory (as on Debian). See the `SSH-RSYNC.md`
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are outside your data directory (as on Debian) and you wish these to
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file for details on configuring password-less SSH between your nodes.
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be copied by `repmgr`. See the `SSH-RSYNC.md` file for details on
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configuring password-less SSH between your nodes.
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Installation
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Installation
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------------
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------------
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@@ -110,7 +111,7 @@ following settings in `postgresql.conf`:
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# How much WAL to retain on the primary to allow a temporarily
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# How much WAL to retain on the primary to allow a temporarily
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# disconnected standby to catch up again. The larger this is, the
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# disconnected standby to catch up again. The larger this is, the
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# longer the standby can be disconnected. This is needed only in
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# longer the standby can be disconnected. This is needed only in
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# 9.3; in 9.4, use replication slots instead (see below).
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# 9.3; in 9.4, replication slots can be used instead (see below).
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wal_keep_segments = 5000
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wal_keep_segments = 5000
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