Hi Folks,
this is an advanced topic.
I was looking for a way to share data across application servers for parallel jobs (so many concurrent read and write accesses)
At first it seemed that shared memory objects could do the trick: but then i read that they "live" only on an application server.
You can set them to get invalidated and synchronized from the database when data changes cross application server, so they basically act as a memory cache for DB data.
Not really what i need.
Anyway you find here a nice tutorial that explains the main concepts of abap shared objects.
ABAP Shared memory programming made easy
HTH
cheers