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From: yanliang lei <[email protected]>
To: Tom Lane <[email protected]>
Cc: Ron <[email protected]>
Cc: [email protected]
Subject: Re:Re: PostgreSQL14.2 can not start because of huge_page_size is equal to 1048576
Date: Tue, 10 May 2022 00:58:31 +0800 (CST)
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>
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	<[email protected]>

Thanks a lot for your reply！
Oh,I see！
I will test this case in the rhel8.5（ RHEL 8.5  is the latest version of RHEL so far）
I will post my test result  through this email。










At 2022-05-10 00:27:14, "Tom Lane" <[email protected]> wrote:
>"yanliang lei" <[email protected]> writes:
>> The DETAIL message says " huge_page_size must be 0", but you did not set huge_page_size to 0. 
>> ---huge_page_size is the pg14 new parameter£¬The default value of this parameter is zero (0). When set to 0, the default huge page size on the system will be used. 
>> in the pg 14 documents---¡®Non-default settings are currently supported only on Linux.¡¯ so £¬ I want to try to find a method to let PostgreSQL 14 to use non-default hugepagesize£¬
>
>The code that's throwing the error says
>
>	/* Recent enough Linux only, for now.  See GetHugePageSize(). */
>
>I don't know what "recent enough" is in this context, but evidently
>RHEL7 isn't it (no surprise considering that's a trailing-edge distro
>at this point).
>
>I don't find it surprising that the authors of this feature didn't
>try to document exactly which Linux versions it can be used on.
>Keeping such documentation accurate would be a nightmare.
>
>			regards, tom lane
>

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