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
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