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[Python-Dev] Python startup time


2018?5?15?(?) 2:17 Antoine Pitrou <antoine at python.org>:

>
> Le 14/05/2018 ? 19:12, INADA Naoki a ?crit :
> > 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.

Regards,
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