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From: Dominique Devienne <[email protected]>
To: KK CHN <[email protected]>
Cc: pgsql-general <[email protected]>
Subject: Re: Pgbouncer performance query
Date: Thu, 22 Jan 2026 13:35:30 +0100
Message-ID: <CAFCRh-8jQSMEz2mfWXbGfu_mMdty2dJbR8uCNdACdeRjDc4s-g@mail.gmail.com> (raw)
In-Reply-To: <CAKgGyB_fxnmsMq-a4KxH+PQjL6_5m14UvpEb5ejbuiJy7H_iFA@mail.gmail.com>
References: <CAKgGyB_fxnmsMq-a4KxH+PQjL6_5m14UvpEb5ejbuiJy7H_iFA@mail.gmail.com>

On Thu, Jan 22, 2026 at 1:29 PM KK CHN <[email protected]> wrote:
> I agree  when I have increased the concurrent connections to 300   (pgbench -c 300 ) then  Direct hit on DB server fails with  Error too many clients as follows

Just increase max_connections then:
https://www.postgresql.org/docs/current/runtime-config-connection.html#GUC-MAX-CONNECTIONS

Sounds like you should stick to direct PostgeSQL access, if pgBouncer
makes it 10x slower :). --DD

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