Access Logs
Every running MongoDB instance collects logs from MongoD. Currently, there is no option to change this configuration. The log messages are shipped to a central storage location with a retention policy of 30 days.
Using the cluster ID, you can access the logs for that cluster via the API.
Requesting logs
The endpoint for fetching logs has four optional query parameters:
Parameter | Description | Default value | Possible values |
---|---|---|---|
start | Retrieve log lines after this timestamp (format: RCF3339) | 30 days ago | between 30 days ago and now (before end) |
end | Retrieve log line before this timestamp (format: RFC3339) | now | between 30 days ago and now (after start) |
direction | Direction in which the logs are sorted and limited | BACKWARD | BACKWARD or FORWARD |
limit | Maximum number of log lines to retrieve. Which log lines are cut depends on direction | 100 | between 1 and 5000 |
If you omit all parameters, you will get the most recent 100 log messages.
The following example shows how to receive only the first two messages after 12:00 a.m. on January 5, 2022:
Response
The response contains the log messages separated per instance and looks similar to this:
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