Re: Creating foreign key on partitioned table is too slow

Hi,

On 2019-10-23 05:59:01 +0000, kato-sho@fujitsu.com wrote:
> To benchmark with tpcb model, I tried to create a foreign key in the partitioned history table, but backend process
killedby OOM.
 
> the number of partitions is 8192. I tried in master(commit: ad4b7aeb84).

Obviously this should be improved. But I think it's also worthwhile to
note that using 8k partitions is very unlikely to be a good choice for
anything. The metadata, partition pruning, etc overhead is just going to
be very substantial.

Greetings,

Andres Freund