Not sure what wiki page you are referring to. Though, here’s the info you might be looking for.
First party cookie set by the JS tracker
The JS tracker sets two first party cookies as described here. The default names of the cookies are:
_sp_id - a domain cookie
_sp_ses - a session cookie
It is possible to set
sp to a different value when initializing the JS tracker.
The value of
_sp_id is recorded in the
domain_userid field in the
atomic.events table. The values of
domain_sessionid are based on the values in the
Third party cookie set by the Clojure / Stream collector.
This sets a third party cookie on the Clojure / Stream collector domain called
sp. The value of this cookie is stored in the
network_userid field in