Delete the log, then when it starts growing, please share the log information with us so we could try to figure out whether the issue comes from Sitefinity and why this is happening.
the Telerik team
Do you want to have your say in the Sitefinity development roadmap? Do you want to know when a feature you requested is added or when a bug fixed? Explore the Telerik Public Issue Tracking
system and vote to affect the priority of the items