[Zope-dev] Re: Zope ISP'ing (was ZODB DA)

Pavlos Christoforou pavlos@gaaros.msrc.sunysb.edu
Wed, 8 Dec 1999 13:56:49 -0500 (EST)


On Wed, 8 Dec 1999, Jim Fulton wrote:

> This sort of scheme could be achieved with relatively minor extensions
> to user databases and storages. For example you could problably
> use an accounting storage that wrapped another storage (much
> like DemoStorage or Ty Sarna's CompressedStorage do).

IMO an easy way to hook up multiple storages is still desirable. For one
you can mix non-versioning storages with versioning ones or even more
fancy things like read only (cd-rom based ones) with the regular
FileStorage.

> 
> You'd have two Python processes for each Zope
> (or 1, if you disabled the process manager, or
> extended the process manager to manage multiple
> processes.)

ZSupervisor already has such functionality, including named pipes
comminication between the manager and an external control program, so you
can restart, monitor or shutdown individual processes.

Pavlos