Jeff Zhang

Results 35 issues of Jeff Zhang

### What is this PR for? A few sentences describing the overall goals of the pull request's commits. First time? Check out the contributing guide - https://zeppelin.apache.org/contribution/contributions.html ### What type...

### What is this PR for? For spark interpreter, the class name and method are not printed (It is always Logging.scala). This PR fixed this issue by updating the log4j.properties....

### What is this PR for? This PR is to support flink per job mode when user click `Run all paragraphs` button. It introduce new property `zeppelin.notebook.run_all.isolated` to control whether...

### What is this PR for? The root cause of this issue is that when Note is serialized to json, it is being modified by another thread. This PR use...

### What is this PR for? Use text format instead of table format for the spark sql explain statement. Because the table format is not readable. See the following screenshot....

### What is this PR for? Minor PR to check no jobs running before kill interpreter job in `TimeoutLifecycleManager`, otherwise it is possible to kill interpreter process that still has...

### What is this PR for? Trivial PR to resolve the ConcurrentModificationException by using ConcurrentMap instead of Map ### What type of PR is it? [Bug Fix] ### Todos *...

### What is this PR for? This PR would login via keytab in open method of jdbc interpreter, otherwise the underlying runKerbose thread will fail and cause the interpreter closed....

### What is this PR for? A few sentences describing the overall goals of the pull request's commits. First time? Check out the contributing guide - https://zeppelin.apache.org/contribution/contributions.html ### What type...

### What is this PR for? This is to limit the number of running interpreter process to protect zeppelin machine ran out of memory. By default, you can run at...