ProblemWhen Runtime Analytics(RTA) encounters an error during Visual Exploration, it's difficult to troubleshoot since there is no job.log produced and only minimal information may be available within the conductor.log.
RTA runs a persistent YARN application in the cluster when it is enabled. This can create a very large log that is difficult to read.
To make diagnosing RTA issues easier, perform the following steps:
1. Stop RTA so the application is killed in the cluster.
2. Modify the RTA configuration to use only one container.
3. Restart RTA to get a fresh application log.
4. Immediately reproduce the issue and retrieve the YARN log, runtimeanalytics.log, and conductor.log.
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