Livy currently doesn't have this feature now. Here, is the Jira for that: https://issues.cloudera.org/plugins/servlet/mobile#issue/LIVY-41. PayPal is already having that feature in production and Meisam had submitted pull request for this feature to Livy.
https://github.com/meisam/livy/wiki/Design-doc-for-Livy-41:-Accessing-sessions-by-name Thanks! Prabhu iPhone. iTypos. iApologize. > On Sep 5, 2017, at 7:51 AM, Graham Hukill <[email protected]> wrote: > > I wondered if it was possible to set the session URI when creating a new one? > I see from the Livy REST API documentation > (https://livy.incubator.apache.org/docs/latest/rest-api.html), under POST > /sessions, some of the arguments that you can pass when initializing a new > session, such as "kind", "name", etc. > > As I understand it now, sessionId's are automatically created when POSTing to > /sessions, setting the ID as an incrementing digit from "0" when Livy starts. > If Livy is restarted, the numbering drops back to "0". > > Normally this would not present a problem, but we are planning on > starting/stopping Livy sessions from another application, and could envision > a scenario where: > a session is started in Livy at /sessions/0 > that session ID is associated in our ancillary app with a particular user or > job > Livy restarts, then when a new session is started, the pointer to /sessions/0 > is actually a different Livy/SparkSession > Ideally, it would be helpful if we could mint a session ID with a PUT > request, something like PUT /sessions/foobar, where "foobar" is the newly > created sessionId. > > Is this currently possible in any way? or are there undocumented > configurations that can be passed with the POST request for creating new > sessions that would define the sessionId? > > thanks, > Graham
