Disk IO wait event DataFileImmediateSync and DataFileSync

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To: "pgsql-admin@xxxxxxxxxxxxxxxxxxxx" <pgsql-admin@xxxxxxxxxxxxxxxxxxxx>
Subject: Disk IO wait event DataFileImmediateSync and DataFileSync
From: "James Pang (chaolpan)" <chaolpan@xxxxxxxxx>
Date: Mon, 7 Feb 2022 08:46:27 +0000

Hi,

Sometimes we see DataFileImmediateSync and DataFileSync wait event, what command use DataFileImmediateSync wait?

Thanks,

James

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