Re: checkpoint process use too much memory

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To: jian xu <jamesxu@xxxxxxxxxxx>
Subject: Re: checkpoint process use too much memory
From: Scott Ribe <scott_ribe@xxxxxxxxxxxxxxxx>
Date: Mon, 20 Apr 2020 12:25:51 -0600
Cc: Laurenz Albe <laurenz.albe@xxxxxxxxxxx>, "pgsql-admin@xxxxxxxxxxxxxx" <pgsql-admin@xxxxxxxxxxxxxx>
In-reply-to: <MN2PR05MB6832AA29B8D72FCA59D29E19A1D40@MN2PR05MB6832.namprd05.prod.outlook.com>
References: <MN2PR05MB68322593E34D4BF78AD45137A1D70@MN2PR05MB6832.namprd05.prod.outlook.com> <5193b00d175f2e06a171ba375f1ef723e1700de4.camel@cybertec.at> <MN2PR05MB6832AA29B8D72FCA59D29E19A1D40@MN2PR05MB6832.namprd05.prod.outlook.com>

> On Apr 20, 2020, at 11:52 AM, jian xu <jamesxu@xxxxxxxxxxx> wrote:
> 
> the free memory size was very low

Remember that the OS will fill memory with file cache until something else needs it.

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