| From: | Rajesh Kumar <rajeshkumar(dot)dba09(at)gmail(dot)com> |
|---|---|
| To: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> |
| Cc: | "Narendran (dot)j" <jnarendran3(at)gmail(dot)com>, Pgsql-admin <pgsql-admin(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Ora2pg migration |
| Date: | 2024-03-25 14:27:27 |
| Message-ID: | CAJk5AtZb7Abvym8CVE8m2Nj7SCnVM7qFNg=4OmKWgVHW4hVR4A@mail.gmail.com |
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| Thread: | |
| Lists: | pgsql-admin |
Kindly provide the possible options to perform migration in this case.
Kindly elaborate more on binary transfer.
On Fri, 22 Mar 2024, 15:34 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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