[GitHub] [kyuubi] pan3793 commented on pull request #5062: [KYUUBI #4788][K8S][HELM] Use StatefulSet instead of Deployment

["pan3793 (via GitHub)" <gi...@apache.org>]

pan3793 commented on PR #5062:
URL: https://github.com/apache/kyuubi/pull/5062#issuecomment-1702589215

   Supply a new advantage of `StatefulSet` over `Deployment`, `Utils.findLocalInetAddress.getCanonicalHostName` returns different values:
   
   - `Deployment`: Pod name, e.g. `kyuubi-bd8f56ddb-59jn5`
   - `StatefulSet`: FQDN, e.g. `kyuubi-server-0.kyuubi-headless.spark.svc.cluster.local`
   
   Thus, switching to `StatefulSet` could overcome the errors like 
   
   ```
   Caused by: java.net.UnknownHostException: kyuubi-bd8f56ddb-59jn5
   ```
   
   when `kyuubi.frontend.connection.url.use.hostname=true` (default is `true`)


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