RE: Parallel Inserts in CREATE TABLE AS - Mailing list pgsql-hackers

From tsunakawa.takay@fujitsu.com
Subject RE: Parallel Inserts in CREATE TABLE AS
Date
Msg-id TYAPR01MB29904E25A7B9D5E4CC801439FE239@TYAPR01MB2990.jpnprd01.prod.outlook.com
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In response to RE: Parallel Inserts in CREATE TABLE AS  ("houzj.fnst@fujitsu.com" <houzj.fnst@fujitsu.com>)
Responses Re: Parallel Inserts in CREATE TABLE AS  (Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>)
List pgsql-hackers
From: houzj.fnst@fujitsu.com <houzj.fnst@fujitsu.com>
> Although, the 4 workers case still has performance degradation compared to
> serial case.
> 
> SERIAL: 58759.213 ms
> PARALLEL 2 WORKER [NOT SKIP FSM]: 68390.221 ms  [SKIP FSM]:
> 58633.924 ms
> PARALLEL 4 WORKER [NOT SKIP FSM]: 67448.142 ms   [SKIP FSM]:
> 66,960.305 ms

Can you see any difference in table sizes?


Regards
Takayuki Tsunakawa


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