Slony switch is only seconds of downtime.
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<!-- $PostgreSQL: pgsql/doc/src/sgml/backup.sgml,v 2.104 2007/10/16 02:48:57 momjian Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/backup.sgml,v 2.105 2007/10/16 05:37:40 momjian Exp $ -->
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<chapter id="backup">
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<title>Backup and Restore</title>
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@ -1747,7 +1747,7 @@ pg_dumpall -p 5432 | psql -d postgres -p 6543
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has synced up with the master server (running the older version of
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<productname>PostgreSQL</>), you can switch masters and make the slave
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the master and shut down the older database instance. Such a
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switch-over results in only several minutes of downtime for an upgrade.
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switch-over results in only several seconds of downtime for an upgrade.
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</para>
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<para>
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