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We are running a spark-streaming application on a standalone setup (version 1.6).
The logging in spark seems to be a bit scattered and I am attempting to configure a nagios log file monitor that checks for certain "errors" in log files and sends out alerts.
My current understanding in regards to logs for spark are the following:
Now for Driver and Spark/Executor App logs It seems the location for these logs are dynamic and spark will generated new directories under /var/run/spark/work in my case.
Monitoring the static location log files is straight forward for spark-worker and spark-master. I am a bit confused as to how the dynamic logs for app and drivers can be monitored.
From what I read in the documentation, it seems upon spark-submit I can pass a -D option with a location to a log4j.properties file.
Can this be configured to stream the logs to a local syslog in a static location and then have nagios monitor that static log?
What have others done in this case?