Logs in a standard Evergreen installation are located at var/log/evergreen. From there, logs are divided into year/month/day folders. Within a day's folder, there are 4 different types of logs:

• activity.log
• gateway.log
• osrfsys.log
• pg.log

With the exception of activity.log, each one of these has multiple files broken into hour chunks. So pg.10.log would be the pg.log for the 10 o'clock hour.

Activity.log
This is the top level of logging. It logs the calls that are made.

Gateway.log

Osrfsys.log

Pg.log
This is the log for database calls. It will include the actual query that was made to the database.