These days I'm working on log files sized around 300mb. Vim is slow and some times stop responding. Geany edior works most of the time. Do you guys have any recommendations?
I haven't used this but watched a talk from the author about how it can load huge files really quickly and can even edit while saving. Sounds pretty god tier in terms of performance:
https://github.com/arximboldi/ewig
Check out the talks from Juan Pedro Bolivar Puente. They are truly next level imo.