From f67790d1ce41499b8a7050e77d33046eda2cab42 Mon Sep 17 00:00:00 2001
From: Sergey Matveev <stargrave@stargrave.org>
Date: Sun, 2 May 2021 09:03:09 +0300
Subject: [PATCH] =?utf8?q?=D0=A2=D0=BE=D1=80=D0=B2=D0=B0=D0=BB=D1=8C=D0=B4?=
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 =?utf8?q?=D1=82=D0=B5=D0=BA=D0=B0=D1=85?=
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https://lore.kernel.org/lkml/CAHk-=whs8QZf3YnifdLv57+FhBi5_WeNTG1B-suOES=RcUSmQg@mail.gmail.com/
ÐÐ°Ð¶Ðµ ÐÐ¸Ð½ÑÑ ÑÑÐ¸ÑÐ°ÐµÑ ÑÑÐ¾ ÑÐ¾Ð»ÐºÑ Ð¾Ñ Ð¾Ð±ÑÐ¸Ñ Ð±Ð¸Ð±Ð»Ð¸Ð¾ÑÐµÐº Ð½Ð¸ÐºÐ°ÐºÐ¾Ð³Ð¾. ÐÐ¾Ð²ÑÐ¾ÑÑÐµÑ Ð²ÑÑ
ÑÑÐ¾ ÑÐ¶Ðµ ÑÐºÐ°Ð·Ð°Ð½Ð¾ Ð½Ðµ ÑÐ°Ð· Ð´Ð°Ð¶Ðµ 30 Ð»ÐµÑ Ð½Ð°Ð·Ð°Ð´:

* Ð±Ð¾Ð»ÑÑÐ¾Ð¹ overhead (Ð¿Ð¾Ð¼Ð½Ñ 300Ð¼Ñ ÑÐ¾Ð»ÑÐºÐ¾ Ð·Ð° Ð·Ð°Ð¿ÑÑÐº Ð±Ð¸Ð½Ð°ÑÐ½Ð¸ÐºÐ° Ñ ÐºÑÑÐµÐ¹
  Ð·Ð°Ð²Ð¸ÑÐ¸Ð¼Ð¾ÑÑÐµÐ¹ Ð¾Ñ shared Ð±Ð¸Ð±Ð»Ð¸Ð¾ÑÐµÐº)
* Ð½ÐµÐ½ÑÐ¶Ð½Ð°Ñ Ð±Ð¾Ð»ÑÑÐ°Ñ ÑÐ»Ð¾Ð¶Ð½Ð¾ÑÑÑ Ð²ÑÐµÐ¹ ÑÑÐ¾Ð¹ ÑÐµÐ¼Ñ
* Ð¿Ð¾ÑÑÐ¸ Ð½Ð¸ÐºÐ°ÐºÐ¸Ðµ Ð±Ð¸Ð±Ð»Ð¸Ð¾ÑÐµÐºÐ¸ Ð½Ðµ version-safe, ÑÐ¾Ð±ÑÑÐ²ÐµÐ½Ð½Ð¾ Ð¿Ð¾Ð³ÑÐµÐ±Ð°Ñ Ð¾ÑÐ½Ð¾Ð²Ð½ÑÑ
  ÑÐ²Ð¾Ñ Ð¸Ð´ÐµÑ
* Ð¾Ð½Ð¸ Ð¼Ð¾Ð³ÑÑ ÑÐ¾ÑÑÐ°Ð½Ð¸ÑÑ Ð¼ÐµÑÑÐ¾ Ð½Ð° Ð´Ð¸ÑÐºÐµ, Ð½Ð¾ Ð¾Ð½Ð¾ Ð·Ð°ÑÐ°ÑÑÑÑ Ð¸Ð»Ð¸ Ð½Ðµ
  Ð·Ð½Ð°ÑÐ¸ÑÐµÐ»ÑÐ½Ð¾, Ð¸Ð»Ð¸, Ð¿ÑÐ¾ÑÑÐ¾ Ð½Ð°Ð²ÑÐµÐ³Ð¾, Ð´Ð¸ÑÐºÐ¸ Ð´Ð¾ÑÑÐ°ÑÐ¾ÑÐ½Ð¾ Ð´ÐµÑÑÐ²Ñ
* Ð° ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸Ñ Ð¿Ð°Ð¼ÑÑÐ¸ Ð·Ð°ÑÐ°ÑÑÑÑ Ð±ÑÐ´ÐµÑ Ð¾ÑÑÐ¸ÑÐ°ÑÐµÐ»ÑÐ½ÑÐ¼ Ð·Ð½Ð°ÑÐµÐ½Ð¸ÐµÐ¼
* Ð² ÑÐ¾Ð²ÑÐµÐ¼ÐµÐ½Ð½ÑÑ ÑÐµÐ°Ð»Ð¸Ð·Ð°ÑÐ¸ÑÑ, Ð²ÑÑ ÑÐ°Ð²Ð½Ð¾ Ð¾Ð³ÑÐ¾Ð¼Ð½Ð¾Ðµ ÐºÐ¾Ð»Ð¸ÑÐµÑÑÐ²Ð¾ ÑÑÑÐ°Ð½Ð¸Ñ
  Ð¿Ð°Ð¼ÑÑÐ¸ Ð±ÑÐ´ÐµÑ shared Ð°Ð²ÑÐ¾Ð¼Ð°ÑÐ¾Ð¼, Ð¿ÑÐ¸ Ð·Ð°Ð¿ÑÑÐºÐµ ÑÑÐ°ÑÐ¸ÑÐµÑÐºÐ¸ ÑÐ»Ð¸Ð½ÐºÐ¾Ð²Ð°Ð½Ð½ÑÑ
  Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼, Ð¿ÑÐ¾ÑÑÐ¾ Ð¿Ð¾ÑÐ¾Ð¼Ñ ÑÑÐ¾ ÑÑÐ¾ Ð¾Ð´Ð¸Ð½ Ð¸ ÑÐ¾Ñ Ð¶Ðµ Ð¸ÑÐ¿Ð¾Ð»Ð½ÑÐµÐ¼ÑÐ¹ ÑÐ°Ð¹Ð». Ð Ð¿Ð¾
  ÑÐ°ÐºÑÑ Ð² shared Ð²ÐµÑÑÐ¸Ð¸ Ð´Ð°Ð¶Ðµ Ð±Ð¾Ð»ÑÑÐµ Ð¿Ð°Ð¼ÑÑÐ¸ Ð±ÑÐ´ÐµÑ Ð¿Ð¾ÑÑÐµÐ±Ð»ÑÑÑÑÑ

    I think people have this incorrect picture that "shared libraries are
    inherently good". They really really aren't. They cause a lot of
    problems, and the advantage really should always be weighed against
    those (big) disadvantages.

ÐÑ Ð° Ð²ÑÑ ÑÑÐ¾ Ð±ÑÐ»Ð¾ Ð¾ÑÐ²ÐµÑÐ¾Ð¼ Ð½Ð° ÑÐ¾, ÑÑÐ¾ Fedora ÑÐ¾ÑÐµÑ ÑÑÐ¾Ð±Ñ Ð²ÑÑ Ð±ÑÐ»Ð¾ shared.
ÐÐ»Ñ Ð¼ÐµÐ½Ñ ÑÑÐ° ÑÐ¸ÑÑÐµÐ¼Ð° ÑÐ¶Ðµ Ð´Ð°Ð²Ð½Ð¾ ÑÐ²Ð»ÑÐµÑÑÑ ÑÐ°Ð¼Ð¾Ð¹ ÑÑÐµÑÐ±Ð½Ð¾Ð¹ Ð² ÑÐ²Ð¾Ð¸Ñ ÑÐµÑÐµÐ½Ð¸ÑÑ
Ð¸ ÑÐµÐ»ÑÑ, Ð° ÑÐµÐ¿ÐµÑÑ ÑÑÐ¾ ÑÐ¾Ð»ÑÐºÐ¾ ÐµÑÑ Ð±Ð¾Ð»ÑÑÐµ Ð¿Ð¾Ð´ÑÐ²ÐµÑÐ¶Ð´Ð°ÐµÑÑÑ.
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2.50.0