GitHub user zjffdu opened a pull request: https://github.com/apache/zeppelin/pull/2839
ZEPPELIN-2515. After 100 minutes R process quits silently and spark.r interpreter becomes unresponsive ### What is this PR for? This PR would 2 features: 1. Make timeout of sparkr backend configurable. 2. Detect R backend dead and display proper message to frontend. ### What type of PR is it? [Bug Fix] ### Todos * [ ] - Task ### What is the Jira issue? * https://issues.apache.org/jira/browse/ZEPPELIN-2515 ### How should this be tested? * unit test is added ### Screenshots (if appropriate) ### Questions: * Does the licenses files need update? No * Is there breaking changes for older versions? No * Does this needs documentation? No You can merge this pull request into a Git repository by running: $ git pull https://github.com/zjffdu/zeppelin ZEPPELIN-2515 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/zeppelin/pull/2839.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #2839 ---- commit 62888c51289d5c1817c5889d24fecdadf1777bd2 Author: Jeff Zhang <zjffdu@...> Date: 2018-03-06T07:02:19Z ZEPPELIN-2515. After 100 minutes R process quits silently and spark.r interpreter becomes unresponsive ---- ---