What do you put in a log file?

What do you put in a log file?

Here are some suggestions for content:

1. timestamp.
2. message.
3. log message type (such as error, warning, trace, debug)
4. thread id ( so you can make sense of the log file from a multi threaded application)

Where are most log files stored in Linux?

/var/log directory
All Linux systems create and store information log files for boot processes, applications, and other events. These files can be a helpful resource for troubleshooting system issues. Most Linux log files are stored in a plain ASCII text file and are in the /var/log directory and subdirectory.

Where the log files are stored in Windows?

The default location of event logs on Vista/2008 and better is “C:\Windows\System32\winevt\Logs\”. Windows Event Viewer allows you to open event file as follows: Click Open Saved Log in Actions pane of Event Viewer. Select your event log file and it will appear in Windows Event Viewer as a log.

How do you write a good log file?

Logging Best Practices: The 13 You Should Know

1. Don’t Write Logs by Yourself (AKA Don’t Reinvent the Wheel)
2. Log at the Proper Level.
3. Employ the Proper Log Category.
4. Write Meaningful Log Messages.
5. Write Log Messages in English.
6. Add Context to Your Log Messages.
7. Log in Machine Parseable Format.

Should I keep log files?

While most logs are covered by some form of regulation these days and should be kept as long as the requirements call for, any that are not should be kept for a minimum period of one year, in case they are needed for an investigation. Log files are a great source of information only if you review them.

Where does the log file go in gdb?

By default the directive set logging file in gdb will write to the current directory. So, in your example, the log file would be written to the directory where firefox-esr is located, if the user being used has write rights on that directory.

Is it bad to put data and log files on the same device?

Placing both data AND log files on the same device can cause contention for that device, resulting in poor performance. Placing the files on separate drives allows the I/O activity to occur at the same time for both the data and log files.

Can a SQL server log file be placed on the same device?

Applies to: SQL Server (all supported versions) This rule checks whether data and log files are placed on separate logical drives. Placing both data AND log files on the same device can cause contention for that device, resulting in poor performance.