Re: [GENERAL] Bulk load data from one table to another

Nikola <XLPizza@gmail.com> writes:
> Currently, I truncate the destination table, drop the indexes,
> execute:
> "INSERT INTO destination SELECT * FROM source_partition"
> and recreate indexes.

> This loads about 66.5 million rows into the destination table in about
> 1 hour. Recreating of indexes (4 of them) takes additional 2 hours. Is
> there a more efficient way to perform this procedure?

Do you have maintenance_work_mem set to a suitable value for building
the indexes?

regards, tom lane

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