Ethereum: debug.log file size

Ethereum: Debug Log File Size

The Ethereum team has implemented a feature to truncate the debug.log file in the Bitcoin application data directory on startup, even if its size exceeds 10 MB.

As [a Bitcoin Core developer] ( states, this change ensures that the debug.log file does not waste space on large instances of the wallet software. Instead, it provides a cleaner and more efficient solution for storing log files.

Background

The Bitcoin application data directory stores various logs and other system information to facilitate debugging and troubleshooting. One such important component is the debug.log file, which contains critical error messages and system events that can help identify problems with the application.

Feature Implementation

To enable this feature in your Bitcoin Core wallet installation on Windows 7, follow these steps:

• Download the latest version of Bitcoin Core from [www.bitcoin.org/en/download](

• Extract the downloaded archive to a directory of your choice (e.g. C:\BitcoinCore).

• Find the debug.log file in the C:\BitcoinCore\walletdata\debug.log folder.

• Launch Bitcoin Core from the Windows Start menu and select Edit or press Ctrl+E to open the editcore console.

Configuring Truncation

In the “editcore” console, navigate to the following paths:

• To set the default log file size, use the command: set walletdata.debuglog.filesize=10MB

• To specify a custom log file size when running Bitcoin Core from the command line, use the command: --log-file-size=20MB

Monitoring and Maintenance

To ensure this feature remains in place across multiple installations and upgrades:

• Regularly check your system logs for any issues with debug.log files.

• If you encounter a large debug.log file, consider backing up the folder containing the file.

• Monitor the performance impact on the overall behavior of your wallet.

Conclusion

By implementing this feature into Bitcoin Core, users can enjoy cleaner and more efficient log storage without having to worry about large debug.log files taking up unnecessary space. Regular maintenance and monitoring will continue to ensure this feature remains effective across all installations and updates.