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help / color / mirror / Atom feedFrom: Laurenz Albe <[email protected]>
To: James Pang <[email protected]>
To: [email protected]
Subject: Re: many sessions wait on LWlock WALWrite suddenly
Date: Fri, 11 Apr 2025 21:59:29 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAHgTRffKZ8DvcFJHRpwkBMQZg5XLRbd5yWe+pSGeVRqbqXDsDg@mail.gmail.com>
References: <CAHgTRffKZ8DvcFJHRpwkBMQZg5XLRbd5yWe+pSGeVRqbqXDsDg@mail.gmail.com>
On Fri, 2025-04-11 at 22:36 +0800, James Pang wrote:
> pgv14.8 , during peak time, we suddenly see hundreds of active sessions waiting on LWlock
> WALWrite at the same time, but we did not find any issue on storage .
> any suggestions ?
You should get a reasonably sized (much smaller) connection pool.
That will probably take care of the problem and will probably
improve your overall performance.
Yours,
Laurenz Albe
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