Re: postgresql9.5 partition table

Hi Herrera
Thanks for your reply.
I will try it in postgresql10.
Regards,
Mark

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在2017年12月29日 21:46，Alvaro Herrera 写道：
mark wrote:
> I defined a table using 1000 partition tables.
> When I deleted or updated this table. It used a lot of memory and
> postmaster process is killed by OS. When I defined the same table
> using 100 partition tables. It can normally be updated and deleted.
> what is reason of this?

Postgres 9.5 is not prepared to deal with thousands of partitions.

You can try the improved partitioning with the new syntax introduced in
Postgres 10 -- you may have better luck there. Please test it.
If it still doesn't work, let us know in detail what you tested and how
it failed.

--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services