Re: Ora2pg migration

From: Ron Johnson <ronljohnsonjr(at)gmail(dot)com>
To: Pgsql-admin <pgsql-admin(at)lists(dot)postgresql(dot)org>
Subject: Re: Ora2pg migration
Date: 2024-03-25 19:12:16
Message-ID: CANzqJaAPK69aA9UVhTvatMX=5fEVt==B8eSpGoZekHy-mFGsug@mail.gmail.com
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I can't help asking: what in the heck are you storing that's *eight
gigabytes*???

On Mon, Mar 25, 2024 at 2:33 PM Narendran .j <jnarendran3(at)gmail(dot)com> wrote:

> Hello
> It's almost 8gb, could you explain me how can I transfer as
> binary file?.I'm new on this.
>
> On Fri, 22 Mar 2024, 3:33 pm Laurenz Albe, <laurenz(dot)albe(at)cybertec(dot)at>
> wrote:
>
>> On Fri, 2024-03-22 at 11:08 +0530, Narendran .j wrote:
>> > I have export one table which has blob data type by ora2pg tool.while
>> Importing insert file in postgres I'm getting this error .
>> > psql:ERROR: out of memory
>> > DETAIL: Cannot enlarge string buffer containing 1073741808 bytes by
>> 8191 more bytes.
>> >
>> > Please give me any suggestions and I adjust shared_buffer it didn't
>> work.
>>
>> 1GB is a hard limit for memory allocations.
>>
>> How big are those BLOBs? The theoretical limit in PostgreSQL is 1GB, but
>> in
>> practice things start getting difficult around 500MB, unless you use
>> binary
>> transfer.
>>
>> Yours,
>> Laurenz Albe
>>
>

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