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To: Pierre Joye <pierre.php@gmail.com>, Benjamin Eberlei <kontakt@beberlei.de>
Cc: Hans Henrik Bergan <divinity76@gmail.com>,
 PHP internals <internals@lists.php.net>
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Message-ID: <88103087-61a5-8f89-a146-0a77d8d28e84@gmx.de>
Date: Mon, 6 Sep 2021 14:05:31 +0200
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Subject: Re: [PHP-DEV] Adding a way to disable the stat cache
From: cmbecker69@gmx.de ("Christoph M. Becker")

On 06.09.2021 at 14:00, Pierre Joye wrote:

> On Mon, Sep 6, 2021, 6:14 PM Benjamin Eberlei <kontakt@beberlei.de> wrot=
e:
>
>> On Fri, Sep 3, 2021 at 11:51 PM Hans Henrik Bergan <divinity76@gmail.co=
m>
>> wrote:
>>
>> The stat cache does not necessarily solve this issues though, only in v=
ery
>> limited cases where you work with the *same* file over and over again. =
The
>> stat cache only ever has exactly one entry, the *last* file that was
>> accessed. So if you work with many diferent files the stat cache does n=
ot
>> do what you would expect, to store the information of all these files. =
It
>> overwrites the cache with a new file entry when its not the same file a=
s
>> currently stored.
>
> that is what happened in TS mode. For every part of a path, every single
> time a path is used (like source files in a common root path). I did not
> check it lately but I suppose it still does it.

This is the realpath cache, though.

> Luckily it should not be an
> issue anymore as most should be using nts as well and the opcache, maybe
> even wincache too which implements a smart cache with events (on change)=
.

FWIW, WinCache has been discontinued[1].

[1] <https://pecl.php.net/package/WinCache>

Christoph