I think we already supported single node HA for Livy by using incremented session id? Can you please elaborate your scenario and advantages of using GUID?
Thanks Jerry Alex Bozarth <[email protected]> 于2018年5月4日周五 上午4:13写道： > This sounds similar to a previous email chain from a few months ago. I > think your answer may be in there. > https://lists.apache.org/thread.html/36c67f57fd3b1fcc9f99c8f894b23618703c1141b32f1dd2a6f7f183@%3Cuser.livy.apache.org%3E > > > *Alex Bozarth* > Software Engineer > Center for Open-Source Data & AI Technologies > ------------------------------ > *E-mail:* *[email protected]* <[email protected]> > *GitHub: **github.com/ajbozarth* <https://github.com/ajbozarth> > > > 505 Howard Street > San Francisco, CA 94105 > United States > > > > [image: Inactive hide details for Praveen Muthusamy ---05/03/2018 06:21:00 > AM---Hi, Is there support for sessionId to be GUID for batch]Praveen > Muthusamy ---05/03/2018 06:21:00 AM---Hi, Is there support for sessionId to > be GUID for batch usecase ? or can the > > From: Praveen Muthusamy <[email protected]> > To: [email protected] > Date: 05/03/2018 06:21 AM > Subject: Globally Unique/ User defined session Ids > ------------------------------ > > > > Hi, > > Is there support for sessionId to be GUID for batch usecase ? or can the > sessionId be made to be user-defined. > > This will be useful for uniquely identifying sessions across restarts or > crashes. We are maintaining client side mappings to session Id and restart > / HA scenarios will make this session Id irrelevant. > > Found this Jira ticket *https://issues.cloudera.org/browse/LIVY-367* > <https://urldefense.proofpoint.com/v2/url?u=https-3A__issues.cloudera.org_browse_LIVY-2D367&d=DwMFaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=S1_S7Dymu4ZL6g7L21O78VQZ53vEnAyZ-cx37DPYDyo&m=Onn0e4C-5gH0jWfUH1XG46L-pvZJyMDBxSVS5WclJco&s=wuMUW6eBerWR8krUF4LSe8fnvBEeXOhbceSkcczasyk&e=> > , but no further comments on it. > > It would be good if there is an option to assign GUID for a session, > similar to Yarn AppId, which will be unique for certain extent. > > Please suggest what is the best way to maintain sessionIds across restarts > or HA scenarios ? > > Regards, > Praveen M > > > >
