On Fri, 2003-05-30 at 17:46, Arshavir Grigorian wrote:
Is it possible that calling undef on a global hash in one Apache process
not reset the value/contents of the same hash
in other Apache processes?
I don't quite understand the wording of your question, but the short
answer is that nothing is truly shared between processes. Copy-on-write
provides some optimization of memory usage at the OS level, but it does
not affect actual sharing. If you write to a variable in one process,
no other process will be affected, even if it has the same global
variable.
I am using Apache::Status to examine the content of a specific hash and
depending on which Apache process handles my
request, I get a different value for a specific key in the hash.
Right, modifications to the hash are not shared.
On a related note, does running several virtual hosts of off the same
source tree mean that all global variables are shared
among all the vhosts?
Virtual hosts are irrelevant. All that matters is if the code is
running in the same process.
- Perrin
