streaming_replication
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| Both sides previous revision Previous revision Next revision | Previous revision | ||
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streaming_replication [2011/07/25 15:49] k2patel |
streaming_replication [2020/08/10 02:35] (current) |
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| ==== postgresql.conf ==== | ==== postgresql.conf ==== | ||
| - | <code ini> | + | <code bash> |
| listen_addresses = '*' | listen_addresses = '*' | ||
| port = 5435 #### Only Define if you running on non default port. | port = 5435 #### Only Define if you running on non default port. | ||
| Line 18: | Line 18: | ||
| wal_level = hot_standby | wal_level = hot_standby | ||
| archive_mode = on | archive_mode = on | ||
| - | archive_command = 'cp %p /usr/local/postgres/data/pg_xlogarch/%f' | + | archive_command = 'rsync -a /usr/local/pg-9.0.3/Archive/%p <IP>:Archive/%f' |
| max_wal_senders = 5 ####( this setting for 1 slave can connect with Master) | max_wal_senders = 5 ####( this setting for 1 slave can connect with Master) | ||
| wal_keep_segments = 32 | wal_keep_segments = 32 | ||
| Line 30: | Line 30: | ||
| </code> | </code> | ||
| - | pg_hba.conf | + | Setup access rule. |
| - | ^^^^^^^^^^^ | + | |
| + | <code bash | pg_hba.conf> | ||
| #Replication Trust | #Replication Trust | ||
| hostssl replication all <IP>/32 trust | hostssl replication all <IP>/32 trust | ||
| + | </code> | ||
| + | Postgres restart on Master | ||
| + | <code bash> | ||
| bin/pg_ctl -p bin/postmaster -D data -l pgstartup.log start | bin/pg_ctl -p bin/postmaster -D data -l pgstartup.log start | ||
| bin/pg_ctl -p bin/postmaster -D data -l pgstartup.log stop | bin/pg_ctl -p bin/postmaster -D data -l pgstartup.log stop | ||
| + | </code> | ||
| + | Sync current data over Rsync. | ||
| + | <code bash> | ||
| bin/psql -c "SELECT pg_start_backup('label', true)" | bin/psql -c "SELECT pg_start_backup('label', true)" | ||
| rsync -av data/ <IP>:standby/ --exclude postmaster.pid | rsync -av data/ <IP>:standby/ --exclude postmaster.pid | ||
| bin/psql -c "SELECT pg_stop_backup()" | bin/psql -c "SELECT pg_stop_backup()" | ||
| + | </code> | ||
| + | |||
| + | ==== Recovery.conf ==== | ||
| + | <code> | ||
| + | standby_mode = 'on' # to enable the standby (read-only) mode. | ||
| + | primary_conninfo = 'host=<IP> port=5432 user=postgres' | ||
| + | # primary_conninfo = 'host=127.0.0.1 port=5436 user=postgres' | ||
| + | # to specify a connection info to the master node. | ||
| + | trigger_file = '/var/lib/pgsql/tmp/pg_failover_trigger' | ||
| + | # to specify a trigger file to recognize a fail over. | ||
| + | restore_command = 'cp /var/lib/pgsql/Archive/%f "%p"' | ||
| + | # to specify a recovery command. | ||
| + | archive_cleanup_command = '/usr/local/pg-9.0.3/bin/pg_archivecleanup -d /usr/local/pg-9.0.3/Archive %r 2>>pg_log/cleanup.log' | ||
| + | </code> | ||
| http://ketan.lithiumfox.com/doku.php?id=postgresql_replication_monitor | http://ketan.lithiumfox.com/doku.php?id=postgresql_replication_monitor | ||
streaming_replication.1311608962.txt.gz · Last modified: 2020/08/10 02:29 (external edit)
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