From: Josh Berkus <josh@berkus.org>
To: Justin Pryzby <pryzby@telsasoft.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Catching up with performance & PostgreSQL 15
Date: Mon, 28 Nov 2022 22:09:57 -0800
Message-ID: <154ee5d9-11d6-005c-9aab-e795493ad837@berkus.org> (raw)
In-Reply-To: <20221129033458.GF11463@telsasoft.com>
References: <89e7da59-0dfe-45fe-e082-00f777e200a1@berkus.org>
<20221129033458.GF11463@telsasoft.com>
On 11/28/22 19:34, Justin Pryzby wrote:
> In addition to setting work_mem, you can also (since v13) set
> hash_mem_multiplier.
Is there any guidance on setting this? Or is it still "use the default
unless you can play around with it"?
> default_toast_compression = lz4 # v14
> recovery_init_sync_method = syncfs # v14
> check_client_connection_interval = ... # v14
> wal_compression = {lz4,zstd} # v15
If anyone has links to blogs or other things that discuss the
performance implications of the above settings that would be wonderful!
--
Josh Berkus
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To: pgsql-performance@postgresql.org
Cc: josh@berkus.org, pryzby@telsasoft.com
Subject: Re: Catching up with performance & PostgreSQL 15
In-Reply-To: <154ee5d9-11d6-005c-9aab-e795493ad837@berkus.org>
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