Hi, Im thinking again of the old idea of implementing poor man's file replication system using kqueue to monitor changes on files. This would require opening every file that needs to be monitored and using EVFILT_VNODE to monitor them. I suppose this would work for a small-ish number of files like for a user's home directory but what about 100,000 files or millions of files?
One other question: do kqueue events "coalesce" in the sense that if N operations happen (like write()s), there can be < N events passed to the kqueue (NOTE_WRITE)? While at it, will EVFILT_VNODE and NOTE_WRITE catch "additional" ways the file can be modified, meaning mmap()?
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