Dgraph’s log format comes from the glog library and is formatted as follows:
`Lmmdd hh:mm:ss.uuuuuu threadid file:line] msg...`
Where the fields are defined as follows:
L A single character, representing the log level (eg 'I' for INFO) mm The month (zero padded; ie May is '05') dd The day (zero padded) hh:mm:ss.uuuuuu Time in hours, minutes and fractional seconds threadid The space-padded thread ID as returned by GetTID() file The file name line The line number msg The user-supplied message
To enable query logging, you must set
-v=3 which will enable verbose logging for everything. Alternatively, you can set
--vmodule=server=3 for only the dgraph/server.go file which would only enable query/mutation logging.
This is a companion discussion topic for the original entry at https://dgraph.io/docs/deploy/log-format/