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Merge wal_level "archive" and "hot_standby" into new name "replica"

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The distinction between "archive" and "hot_standby" existed only because
at the time "hot_standby" was added, there was some uncertainty about
stability.  This is now a long time ago.  We would like to move forward
with simplifying the replication configuration, but this distinction is
in the way, because a primary server cannot tell (without asking a
standby or predicting the future) which one of these would be the
appropriate level.

Pick a new name for the combined setting to make it clearer that it
covers all (non-logical) backup and replication uses.  The old values
are still accepted but are converted internally.

Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
Reviewed-by: David Steele <david@pgmasters.net>
This commit is contained in:
Peter Eisentraut
2016-02-29 20:01:54 -05:00
parent 4e1d2a1708
commit b555ed8102
17 changed files with 44 additions and 54 deletions
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2
src/backend/utils/misc/postgresql.conf.sample
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@ -173,7 +173,7 @@
# - Settings -
#wal_level = minimal # minimal, archive, hot_standby, or logical
#wal_level = minimal # minimal, replica, or logical
# (change requires restart)
#fsync = on # turns forced synchronization on or off
#synchronous_commit = on # synchronization level;