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Re: Disabling/Enabling index before bulk loading - Mailing list pgsql-general
From
Melvin Davidson
Subject
Re: Disabling/Enabling index before bulk loading
Date
July 11, 2018
01:58:44
Msg-id
CANu8Fiw1owWzLV8Pt9s4ofJtdjz1=EzbUhL+fLNd6GiwARxbrA@mail.gmail.com
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In response to
Re: Disabling/Enabling index before bulk loading
(Tim Cross <theophilusx@gmail.com>)
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Re: Disabling/Enabling index before bulk loading
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> We recently did a test on COPY and found that on large tables (47 million rows , 20GB of raw data) the
> difference in COPY with 16 indexes...
I am very suspicious of why you need 16 indexes. Are you sure all those indexes are actually being utilized?
Try executing the attached query, You may find find some are really not needed.
--
Melvin Davidson
Maj. Database & Exploration Specialist
Universe Exploration Command –
UXC
Employment by invitation only!
Attachment
useless_indexes2.sql
pgsql-general
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