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Re: pg_dump in stand alone backend

From: Richard Huxton <dev(at)archonet(dot)com>
To: Ulrich Wisser <ulrich(dot)wisser(at)relevanttraffic(dot)se>
Cc: Gaetano Mendola <mendola(at)bigfoot(dot)com>,pgsql-general(at)postgresql(dot)org
Subject: Re: pg_dump in stand alone backend
Date: 2004-08-24 10:04:48
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-general
Ulrich Wisser wrote:
>> Explain what exactly you are trying to do, why do you have to stop
>> the postmaster ? If you request is due only to forbid the access then
>> you can replace the pg_hba.conf with a "void" one and replace it again
>> at the end of operations.
> I need to to disconnect any other users and do "vacuum full verbose 
> analyze" "reindex database" and reindex all tables. And for these I will 
> stop the postmaster and run a stand alone backend.
> I figured that doing a nightly backup would be a good idea and running 
> it in stand alone mode will speed up the process drastically.

Don't think it makes much difference, assuming you're the only one 
connected. I'd follow Gaetano's idea and have separate 
postgresql.conf/pg_hba.conf files.
  1. stop PG
  2. swap conf files
  3. start PG
  4. maintenance
  5. stop PG
  6. swap conf files back
  7. start PG

A separate postgresql.conf lets you have different sort_mem values etc. 
for your nightly maintenance too.
   Richard Huxton
   Archonet Ltd

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