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Change default values for backup and replication parameters

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This changes the default values of the following parameters:

wal_level = replica
max_wal_senders = 10
max_replication_slots = 10

in order to make it possible to make a backup and set up simple
replication on the default settings, without requiring a system restart.

Discussion: https://postgr.es/m/CABUevEy4PR_EAvZEzsbF5s+V0eEvw7shJ2t-AUwbHOjT+yRb3A@mail.gmail.com

Reviewed by Peter Eisentraut. Benchmark help from Tomas Vondra.
This commit is contained in:
Magnus Hagander
2017-01-14 17:14:56 +01:00
parent 05cd12ed5b
commit f6d6d2920d
9 changed files with 21 additions and 20 deletions
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6
src/backend/utils/misc/guc.c
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@ -2315,7 +2315,7 @@ static struct config_int ConfigureNamesInt[] =
NULL
},
&max_wal_senders,
0, 0, MAX_BACKENDS,
10, 0, MAX_BACKENDS,
NULL, NULL, NULL
},
@ -2326,7 +2326,7 @@ static struct config_int ConfigureNamesInt[] =
NULL
},
&max_replication_slots,
0, 0, MAX_BACKENDS /* XXX? */ ,
10, 0, MAX_BACKENDS /* XXX? */ ,
NULL, NULL, NULL
},
@ -3749,7 +3749,7 @@ static struct config_enum ConfigureNamesEnum[] =
NULL
},
&wal_level,
WAL_LEVEL_MINIMAL, wal_level_options,
WAL_LEVEL_REPLICA, wal_level_options,
NULL, NULL, NULL
},