In SSIS, event logging allows you to select any specific event of a task or a package to be logged. It is very helpful when you are troubleshooting your package to understand the performance package.
SSIS packages and all the associated tasks have a property called LoggingMode. This property accepts three possible values Disabled: To enable logging of the component Enabled: To disable logging of the component UseParentSetting: To use parent’s setting of the component
Variable in SSIS is basically used to store values. In SSIS, there are two types of variables system variable and user variable.