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Logging

Log publishing and rotation for Imply's distribution of Apache Druid® uses svlogd. The logs are maintained based on the following svlogd configuration:

s100000000
n10
N5
t604800
  • s100000000: 100 MB maximum file size at which point the current log file is rotated.
  • n10: 10 total log files of 100 MB each.
  • N5: 5 log files to keep at a minimum. This is used if the filesystem is full. At that point, Imply deletes the oldest log file first.
  • t604800: 604800 seconds (or 7 days) is the maximum amount of time before a log file gets rotated if it hasn't hit the 100 MB file size limit.

You can find the current log files for each service in var/sv/SERVICE_NAME/current, such as var/sv/broker/current