On Tue, 25 Aug 2020 at 12:24, 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!" > This topic is interesting. Any examples for parallel copy? Regards, SS
