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Date: Mon, 18 Mar 2019 22:17:46 +0300
From: Cyrill Gorcunov <gorcunov@gmail.com>
Subject: Re: [tarantool-patches] Re: [PATCH] lib/core/fiber: Initialize
 stack_watermark where appropriate
Message-ID: <20190318191746.GE2469@uranus.lan>
References: <20190318172352.14128-1-gorcunov@gmail.com>
 <20190318175246.22utl4hoc3jnxuk2@esperanza>
 <20190318185529.GA11507@chai>
 <20190318190446.GD2469@uranus.lan>
 <20190318191008.GA13557@chai>
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To: Konstantin Osipov <kostja@tarantool.org>
Cc: vdavydov.dev@gmail.com, tarantool-patches@freelists.org
List-ID: <tarantool-patches.dev.tarantool.org>

On Mon, Mar 18, 2019 at 10:10:08PM +0300, Konstantin Osipov wrote:
> > 
> > Even 8 elements are not guarantee us from false positives and
> > with a sole element the situation would be even worse.
> 
> Well, then let's increase the number of elements to 32 or 64, or,
> better yet, 128, to make the situation better.
> 
> Why did you guys choose 8?

To cover low 1024 bytes. Maximal path is about 4K limit
so I think in average ~1/4 of page should catch paths
on stack.