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Re: [HACKERS] SendRowDescriptionMessage() is slow for queries with alot of columns - Mailing list pgsql-hackers

From Robert Haas
Subject Re: [HACKERS] SendRowDescriptionMessage() is slow for queries with alot of columns
Date
Msg-id CA+TgmobNQi1poda=Z2BWC9J3h+tONhfgcjXBzdBFwaNvZGjppw@mail.gmail.com
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In response to Re: [HACKERS] SendRowDescriptionMessage() is slow for queries with alot of columns  (tushar <tushar.ahuja@enterprisedb.com>)
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On Fri, Sep 29, 2017 at 5:02 AM, tushar <tushar.ahuja@enterprisedb.com> wrote:
> Case 3- TIME=1000
>
> PG HEAD =>tps = 1061.031463 (excluding connections establishing)
> PG HEAD+patch => tps= 8011.784839(3.30+% vs. head)

Going from 1061 tps to 8011 tps is not a 3.3% gain.  I assume you
garbled this output somehow.

Also note that you really mean +3.30% not 3.30+%.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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