glance-api and glance-registry - Two process each - Any reason ? [closed]
Ubuntu 12.04 + Havana. I was doing some checks whether glance* processes are running. I tried with ps command. Glance processes are running perfectly fine. I see two instances of same process. See the output below
root@dheeru-u2:/etc/network# ps -aef | grep glance
root 18777 10981 0 17:19 pts/3 00:00:00 vi glance-api.conf glance-registry.conf
glance 19329 1 1 17:48 ? 00:00:00 /usr/bin/python /usr/bin/glance-registry
glance 19334 19329 0 17:48 ? 00:00:00 /usr/bin/python /usr/bin/glance-registry**
glance 19348 1 8 17:48 ? 00:00:00 /usr/bin/python /usr/bin/glance-api
glance 19354 19348 0 17:48 ? 00:00:00 /usr/bin/python /usr/bin/glance-api**
There are two glanc-api and two glance-registry. In each case one process is parent and other process is child. Both parent and child process are running.
Question : Why there are two process instances for same component ?
Please note : It is not breaking my setup or functionality. Curious to understand the reason.
Closed for the following reason
the question is answered, right answer was accepted by
dheeru
close date 2013-12-19 00:30:41.861113
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