Re: [PERFORM] Backup taking long time !!!

От: Stephen Frost
Тема: Re: [PERFORM] Backup taking long time !!!
Дата: ,
Msg-id: 20170122145740.GE18360@tamriel.snowman.net
(см: обсуждение, исходный текст)
Ответ на: Re: [PERFORM] Backup taking long time !!!  (julyanto SUTANDANG)
Ответы: Re: [PERFORM] Backup taking long time !!!  (Jeff Janes)
Список: pgsql-performance

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[PERFORM] Backup taking long time !!!  (Dinesh Chandra 12108, )
 Re: [PERFORM] Backup taking long time !!!  ("Madusudanan.B.N", )
  Re: [PERFORM] Backup taking long time !!!  (Dinesh Chandra 12108, )
   Re: [PERFORM] Backup taking long time !!!  (Pavel Stehule, )
    Re: [PERFORM] Backup taking long time !!!  ("Madusudanan.B.N", )
    Re: [PERFORM] Backup taking long time !!!  (Dinesh Chandra 12108, )
     Re: [PERFORM] Backup taking long time !!!  (Pavel Stehule, )
      Re: [PERFORM] Backup taking long time !!!  (Stephen Frost, )
  Re: [PERFORM] Backup taking long time !!!  (Vladimir Borodin, )
   Re: [PERFORM] Backup taking long time !!!  (Stephen Frost, )
 Re: [PERFORM] Backup taking long time !!!  (Vladimir Borodin, )
  Re: [PERFORM] Backup taking long time !!!  (Stephen Frost, )
 Re: [PERFORM] Backup taking long time !!!  (Vladimir Borodin, )
  Re: [PERFORM] Backup taking long time !!!  (Stephen Frost, )
   Re: [PERFORM] Backup taking long time !!!  (Jim Nasby, )
    Re: [PERFORM] Backup taking long time !!!  (Stephen Frost, )
     Re: [PERFORM] Backup taking long time !!!  (Jim Nasby, )
   Re: [PERFORM] Backup taking long time !!!  (David Steele, )
  Re: [PERFORM] Backup taking long time !!!  (Torsten Zuehlsdorff, )
   Re: [PERFORM] Backup taking long time !!!  (Stephen Frost, )
 Re: [PERFORM] Backup taking long time !!!  (Vladimir Borodin, )
  Re: [PERFORM] Backup taking long time !!!  (Stephen Frost, )
 Re: [PERFORM] Backup taking long time !!!  (julyanto SUTANDANG, )
  Re: [PERFORM] Backup taking long time !!!  (julyanto SUTANDANG, )
   Re: [PERFORM] Backup taking long time !!!  (Stephen Frost, )
    Re: [PERFORM] Backup taking long time !!!  (Jeff Janes, )
     Re: [PERFORM] Backup taking long time !!!  (Stephen Frost, )
     Re: [PERFORM] Backup taking long time !!!  (Simon Riggs, )
      Re: [PERFORM] Backup taking long time !!!  (Stephen Frost, )
      Re: [PERFORM] Backup taking long time !!!  (Jeff Janes, )
       Re: [PERFORM] Backup taking long time !!!  (Rick Otten, )
        Re: [PERFORM] Backup taking long time !!!  (Stephen Frost, )
     Re: [PERFORM] Backup taking long time !!!  (julyanto SUTANDANG, )
  Re: [PERFORM] Backup taking long time !!!  (Stephen Frost, )
 Re: [PERFORM] Backup taking long time !!!  (julyanto SUTANDANG, )
  Re: [PERFORM] Backup taking long time !!!  (Stephen Frost, )
 Re: [PERFORM] Backup taking long time !!!  (julyanto SUTANDANG, )
  Re: [PERFORM] Backup taking long time !!!  (Stephen Frost, )
   Re: [PERFORM] Backup taking long time !!!  (Jim Nasby, )
    Re: [PERFORM] Backup taking long time !!!  (Jeff Janes, )
     Re: [PERFORM] Backup taking long time !!!  (Stephen Frost, )
 Re: [PERFORM] Backup taking long time !!!  (julyanto SUTANDANG, )

Greetings,

* julyanto SUTANDANG () 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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От: julyanto SUTANDANG
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Сообщение: Re: [PERFORM] Backup taking long time !!!
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Сообщение: Re: [PERFORM] Backup taking long time !!!