| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Amit Khandekar <amitdkhan(dot)pg(at)gmail(dot)com> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: UPDATE of partition key |
| Date: | 2017-02-14 14:44:11 |
| Message-ID: | CA+Tgmoawo5e4Vi7M3WOUQwUzR9hoQRGSUGo4GrosJ3hsCncx3Q@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, Feb 13, 2017 at 7:01 AM, Amit Khandekar <amitdkhan(dot)pg(at)gmail(dot)com> wrote:
> parts partitioned inheritance no. of rows subpartitions
> ===== =========== =========== =========== =============
>
> 500 10 sec 3 min 02 sec 1,000,000 0
> 1000 10 sec 3 min 05 sec 1,000,000 0
> 1000 1 min 38sec 30min 50 sec 10,000,000 0
> 4000 28 sec 5 min 41 sec 1,000,000 10
That's a big speedup.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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