You can explore "pgloader" also.

.... Sushanta


On Tue, Aug 25, 2020 at 7:24 AM Peter J. Holzer <hjp-pg...@hjp.at> wrote:

> On 2020-08-24 21:17:36 +0000, Dirk Krautschick wrote:
> > what would be the fastest or most effective way to load few (5-10) TB
> > of data from flat files into a postgresql database, including some 1TB
> > tables and blobs?
> >
> > There is the copy command but there is no way for native parallelism,
> > right? I have found pg_bulkload but haven't tested it yet. As far I
> > can see EDB has its EDB*Loader as a commercial option.
>
> A single COPY isn't parallel, but you can run several of them in
> parallel (that's what pg_restore -j N does). So the total time may be
> dominated by your largest table (or I/O bandwidth).
>
>         hp
>
> --
>    _  | Peter J. Holzer    | Story must make more sense than reality.
> |_|_) |                    |
> | |   | h...@hjp.at         |    -- Charles Stross, "Creative writing
> __/   | http://www.hjp.at/ |       challenge!"
>


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