Where are logs stored?

Log files for full-service are located in /tmp/ using the format:

full-service-2023-04-26-15:47:37.log\

Note: logs may contain private information regarding transactions times, wallet addresses, etc.

In Full-Service, the mc-common crate contains "logger" implementations based on the rust slog crate. An slog::logger is a type-erased logger interface, and it is enclave-friendly as well.

Most servers use the mc_common::logger::create_app_logger function at their entrypoint to create a logger for the server. This logger uses an in-memory buffer and a background thread to eventually write the log messages to where they are supposed to go.

The create_root_logger function sets up several possible log destinations:

• STDOUT (or STDERR if an environment variable is set)

• UDP-JSON logging (if enabled)

• Sentry logging (forwarding error and critical messages directly to Sentry servers)

The background thread is enabling the main thread to make progress asynchronously while these network calls are in progress.

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