> On Apr 14, 2017, at 13:04, Ngie Cooper (yaneurabeya) <yaneurab...@gmail.com> > wrote: > > >> On Apr 14, 2017, at 13:02, Alan Somers <asom...@freebsd.org> wrote: > > ... > >> Right: check_size() needs to know the on-disk size of the core dump. >> But it doesn't have any way to know the on-disk size until after it's >> written everything to disk. That's why I simply disabled the check at >> $WORK. Another possibility would be for savecore to ignore the >> up-front check, but handle ENOSPC by deleting the fragmentary vmcore >> file. I never tried to implement that. > > Let me dig through the gzip format a bit. There should be a reasonably good > upper bound approximation that we can use for compressed mini dumps.
Also: deleting truncated dumps sounds great to me: their value when truncated is pretty low from what I remember. -Ngie
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