Re: BUG #15609: synchronous_commit=off insert performance regressionwith secondary indexes

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От Jeff Janes
Тема Re: BUG #15609: synchronous_commit=off insert performance regressionwith secondary indexes
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Msg-id CAMkU=1zCg10FifGnY9LTUyEO_wKVsXdeGoO092+RyaFpg+mAGQ@mail.gmail.com
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Ответ на BUG #15609: synchronous_commit=off insert performance regression with secondary indexes  (PG Bug reporting form <noreply@postgresql.org>)
Ответы Re: BUG #15609: synchronous_commit=off insert performance regressionwith secondary indexes  ("Saul, Jean Paolo" <paolo.saul@verizonconnect.com>)
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On Tue, Jan 29, 2019 at 12:46 AM PG Bug reporting form <noreply@postgresql.org> wrote:
The following bug has been logged on the website:

Bug reference:      15609
Logged by:          Jean Paolo Saul
Email address:      paolo.saul@verizonconnect.com
PostgreSQL version: 11.1
Operating system:   CentOS Linux release 7.6.1810 (Core)
Description:       

Summary:
  We are considering upgrading to PG11 and during performance testing we
have found that
  PostgreSQL 11 inserts are around 25% slower than inserts in PostgreSQL
9.5.

Tools Used:
  pgbench (11.1)

Can you show the actual pgbench command line used, and the contents of the file specified by -f ?
 
Cheers,

Jeff

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