[Python-Dev] Python startup time (original) (raw)

INADA Naoki songofacandy at gmail.com
Mon May 14 13:34:11 EDT 2018

2018年5月15日(火) 2:17 Antoine Pitrou <antoine at python.org>:

Le 14/05/2018 à 19:12, INADA Naoki a écrit : > I'm sorry, the word will may be stronger than I thought. > > I meant if memory image dumped on disk is used casually, > it may make easier to make security hole. > > For example, if hg memory image is reused, and it can be leaked in some > way, > hg serve will be hashdos weak. This discussion subthread is not about having a memory image dumped on disk, but a daemon utility that preloads a new Python process when you first start up your CLI application. Each time a new process is preloaded, it will by construction use a new hash seed.

My reply was to:

capture the entire runtime image as a single binary blob. could that blob be simply loaded into memory and run?

So I thought about reusing memory image undeterministic times.

Of course, prefork is much safer because hash initial vector is only in process ram.

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