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From: Phoenix Kiula <phoenix.kiula@gmail.com>
To: Bill Moran <wmoran@collaborativefusion.com>
Cc: PG-General Mailing List <pgsql-general@postgresql.org>
Subject: Re: Dumping/Restoring with constraints?
Date: Wed, 27 Aug 2008 22:40:41 +0800
Message-ID: <e373d31e0808270740u38873cccx32b24796f02438e6@mail.gmail.com> (raw)
In-Reply-To: <20080827103429.081e93a1.wmoran@collaborativefusion.com>
References: <e373d31e0808270619uba31c8eodc2c85662b85140a@mail.gmail.com>
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	<20080827102403.dc69c802.wmoran@collaborativefusion.com>
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	<20080827103429.081e93a1.wmoran@collaborativefusion.com>

On Wed, Aug 27, 2008 at 10:34 PM, Bill Moran
<wmoran@collaborativefusion.com> wrote:
>>
>>
>> Dumb question. Will this kind of pg_dumpall lead to downtime, I mean
>> is there a database lock during this time?
>
> No.


Thanks. But there seems to be a tangible slowdown of DB operations
during the time that pg_dump is running. Perhaps some of my
postgresql.conf variables are not geared to this. (I vaguely recall
setting it up so that the wal_buffers or checkpoint_segments needed to
be set upwards for maintenance tasks).

My question: is it possible to interactively set up these variables so
that pg_dumpall can work very fast? And behind the scenes, without
slowing stuff down?

Thanks

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  Subject: Re: Dumping/Restoring with constraints?
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