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help / color / mirror / Atom feedFrom: Ron Johnson <[email protected]>
To: Pgsql-admin <[email protected]>
Subject: Re: Need an idea to operate massive delete operation on big size table.
Date: Wed, 15 Jan 2025 10:08:32 -0500
Message-ID: <CANzqJaDsDMzwf_YAN3_gXqdUji1GvJg-M4Bn-kW_UT5xy0HB-g@mail.gmail.com> (raw)
In-Reply-To: <CAHOGQfWPQhxoyQ5GEUEFwtdXan=krr5Ue0DDPSKJGpcW9Szi4Q@mail.gmail.com>
References: <CAHOGQfWPQhxoyQ5GEUEFwtdXan=krr5Ue0DDPSKJGpcW9Szi4Q@mail.gmail.com>
On Wed, Jan 15, 2025 at 9:54 AM Gambhir Singh <[email protected]>
wrote:
> Hi,
>
> I received a request from a client to delete duplicate records from a
> table which is very large in size.
>
> Delete queries (~2 Billion) are provided via file, and we have to execute
> that file in DB. Last time it lasted for two days. I feel there must be
> another way to delete records in an efficient manner
>
Maybe the delete "queries" are poorly written. Maybe there's no supporting
index.
--
Death to <Redacted>, and butter sauce.
Don't boil me, I'm still alive.
<Redacted> lobster!
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Subject: Re: Need an idea to operate massive delete operation on big size table.
In-Reply-To: <CANzqJaDsDMzwf_YAN3_gXqdUji1GvJg-M4Bn-kW_UT5xy0HB-g@mail.gmail.com>
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