On 31 Oct, 2014 6:35 AM, "Andrei Borzenkov" <arvidj...@gmail.com> wrote: > > В Thu, 30 Oct 2014 20:06:55 +0100 > Lennart Poettering <lenn...@poettering.net> пишет: > > > > > > I have no idea how Oracle works, and the above it too cryptic to fully > > understand what point you are trying to make. Can you eloborate on > > this for somebody who doesn't know a thing about Oracle? > > Oracle database server consists of two parts - set of backend processes > (database server) and network listener. Client connects to listener > which spawns process that performs database processing for this client. > Each client connection creates new process. Once client process is > started, listener no more is involved in further processing. This is > similar to socket activation used by systemd. > > Listener can be configured to spawn client processes for multiple > databases. There is well known TCP port for client connection. > > Conceptually listener is independent of database server. It is still > possible to connect locally when you are on the same host even if > listener is not running. > > So the problem right now is, if listener is configured as separate > service all client processes belong to the same service and are stopped > if listener is stopped. >
How about: http://www.freedesktop.org/software/systemd/man/systemd.kill.html Would setting KillMode=process for the listener service have the required effect: on service stop, only kill the main process, leaving the child processes and cgroup running?
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