Modify Maximum Log File Count
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You can specify the maximum number of log files that the MongoDB Shell retains. After the MongoDB Shell reaches the maximum log file count, it starts deleting the oldest log files until the count is below the threshold.
The MongoDB Shell stores one log file for each session. By default, the MongoDB Shell stores up to 100 log files.
About this Task
You can specify multiple criteria for log retention. For example, you can specify a maximum duration for log files of 60 days and a maximum log storage size of 2GB. Logs are deleted when any retention criterion is met, starting with the oldest logs.
Before you Begin
To check the current maximum log file count, run the following command:
config.get("logMaxFileCount")
Steps
To modify the maximum log file count, set the logMaxFileCount
configuration option. You can set configuration options in the
configuration API or a
configuration file.
Modify Maximum Log File Count with the Configuration API
The following command uses the config API to set the maximum log file count to 200:
config.set("logMaxFileCount", 200)
Setting "logMaxFileCount" has been changed
Modify Maximum Log File Count with a Configuration File
The following configuration file sets the maximum log file count to 200:
mongosh: logMaxFileCount: 200
Disable Maximum Log File Limit
To disable the maximum log file limit, set logMaxFileCount to
Infinity. You can perform this action through the config API or
configuration file. For example:
config.set("logMaxFileCount", Infinity)
Important
To prevent log storage from growing too large, always specify at least one log retention criterion.