Re: Ora2pg migration

From: "Narendran (dot)j" <jnarendran3(at)gmail(dot)com>
To: Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>
Cc: pgsql-admin(at)lists(dot)postgresql(dot)org
Subject: Re: Ora2pg migration
Date: 2024-03-25 13:46:59
Message-ID: CA+-Cqf5fu8p=CWXv80-s5AuVJ-ntfgLjSfW1iYo9YGU5uN-XTg@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-admin

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
>

In response to

Responses

Browse pgsql-admin by date

  From Date Subject
Next Message Rajesh Kumar 2024-03-25 14:27:27 Re: Ora2pg migration
Previous Message hubert depesz lubaczewski 2024-03-25 12:07:52 Re: create index concurrently blocked by other query