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help / color / mirror / Atom feedFrom: Ron Johnson <[email protected]>
To: pgsql-generallists.postgresql.org <[email protected]>
Subject: Re: Backup
Date: Wed, 16 Oct 2024 16:02:24 -0400
Message-ID: <CANzqJaCtWGeLNoVVmzJ6=S6XzptR_K6VByCtwCLRVXAHUk0fUw@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <CAEZv3cqct1WFb9KYmYa5kjdxfVK8JEFdzbJ5bRL6b4r+XR2dug@mail.gmail.com>
<CANzqJaBfaOvbjJYYCPPC-JKFEw=pZTGkfwL3+-t2fjP7B_9U+g@mail.gmail.com>
<[email protected]>
On Wed, Oct 16, 2024 at 4:00 PM Achilleas Mantzios <
[email protected]> wrote:
> Στις 16/10/24 22:55, ο/η Ron Johnson έγραψε:
>
> On Wed, Oct 16, 2024 at 3:37 PM Andy Hartman <[email protected]>
> wrote:
>
>> I am very new to Postgres and have always worked in the mssql world. I'm
>> looking for suggestions on DB backups. I currently have a DB used to store
>> Historical information that has images it's currently around 100gig.
>>
>> I'm looking to take a monthly backup as I archive a month of data at a
>> time. I am looking for it to be compressed and have a machine that has
>> multiple cpu's and ample memory.
>>
>> Suggestions on things I can try ?
>> I did a pg_dump using these parms
>> --format=t --blobs lobarch
>>
>> it ran my device out of storage:
>>
>> pg_dump: error: could not write to output file: No space left on device
>>
>> I have 150gig free on my backup drive... can obviously add more
>>
>> looking for the quickest and smallest backup file output...
>>
>> Thanks again for help\suggestions
>>
>
> Step 1: redesign your DB to *NOT* use large objects. It's an old, slow
> and unmaintained data type. The data type is what you should use.
>
> You mean bytea I guess. As a side note, (not a fan of LOs), I had the
> impression that certain drivers such as the JDBC support streaming for LOs
> but not for bytea? It's been a while I haven't hit the docs tho.
>
Our database is stuffed with images in bytea fields. The Java application
uses JDBC and handles them just fine.
--
Death to <Redacted>, and butter sauce.
Don't boil me, I'm still alive.
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