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Logging Collection Best Practices

Question

What are common best practices for collecting logs for the problem investigation of a support ticket?

Answer

  • Separate the logs based on process/pod roles into separate files (e.g. JM, TM, etc.). 
  • Collect plain Flink or Ververica Platform logs, order by time. Avoid JSON/CSV format if possible.
    • JSON/CSV formats often contain redundant info timestamps or container metadata.
  • Collect logs only for the relevant time frame, share additional logs when requested.
  • Collect logs only for the relevant job/deployment.
  • Compress large logs files before attaching.