Scott thank you for advice.
> If you've got one job that needs lots of mem and lot of jobs that
> don't, look at my recommendation to lower work_mem for all the low mem
> requiring jobs. If you can split those heavy lifting jobs out to
> another user, then you can use a pooler like pgbouncer to do admission
> control by limiting that heavy lifter to a few connections at a time.
> The rest will wait in line behind it.
