Hello:
So whenever I leave the application open from the night before, it's unresponsive in the morning. I can see there're maybe around 20mln record in the log by that time, but I can't do anything other than ending task through the task manager. It monitors just one log file.
The inconvenience make it impossible to view earlier records after restart, as the earlier logs are not retained in my system, but overwritten.
I know this has been discussed a number of times, but I strongly believe you need to find a way to unload or otherwise hibernate earlier records, so the application doesn't hang.

I actually have a 32Gb memory on the machine, so this is hardly an issue. When I see the app unresponsive the total memory usage is at 78% and other applications are running fine on the same machine. At the time LogView is using around 20Gb of these.
So I don't think the problem is like that.
The expiration won't help, as the only reason I leave it running is to capture overnight records that I can otherwise miss.