Re: [HACKERS] UPDATE of partition key - Mailing list pgsql-hackers

From Robert Haas
Subject Re: [HACKERS] UPDATE of partition key
Date
Msg-id CA+Tgmoawo5e4Vi7M3WOUQwUzR9hoQRGSUGo4GrosJ3hsCncx3Q@mail.gmail.com
Whole thread Raw
In response to [HACKERS] UPDATE of partition key  (Amit Khandekar <amitdkhan.pg@gmail.com>)
List pgsql-hackers
On Mon, Feb 13, 2017 at 7:01 AM, Amit Khandekar <amitdkhan.pg@gmail.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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