Yes, if you look at the options available, you can split the trace in smaller files and even limit the total size accumulated. 

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> Hi,
> It's well known that tracing can produce huge data easily.So if we
> keep tracing on a production system for a while(hour/day/week) ,we
> may get a huge CTF file. It's very inefficient to analysis a huge
> CTF file ,especially the interested events are in some narrow time
> window.Is there any way to change the situation?Can we split a huge
> ctf file into several small ctf file? Or can lttng produce a list of
> small time-sequence ctf filles just like some loggers do?