Re: Backup taking long time !!!

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Greetings,

* julyanto SUTANDANG (julyanto@xxxxxxxxxxxx) wrote:
> CORRECTION:
> 
> "you might you pg_start_backup to tell the server not to write into the
> DATADIR"
> 
> become
> 
> "you might *use* pg_start_backup to tell the server not to write into the
> *BASEDIR*, actually server still writes but only to XLOGDIR "

Just to make sure anyone reading the mailing list archives isn't
confused, running pg_start_backup does *not* make PG stop writing to
BASEDIR (or DATADIR, or anything, really).  PG *will* continue to write
data into BASEDIR after pg_start_backup has been called.

The only thing that pg_start_backup does is identify an entry in the WAL
stream, from which point all WAL must be replayed when restoring the
backup.  All WAL generated from that point (pg_start_backup point) until
the pg_stop_backup point *must* be replayed when restoring the backup or
the database will not be consistent.

Thanks!

Stephen

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