chrismurphy added a new comment to an issue you are following:
All the partitioning, sizing, and resizing concerns mentioned in this issue vanish with a
certain other filesystem, which does all resizes (grow, shrink, add and remove devices)
online and atomically and typically in a single command. Whether scripted or user issued,
the commands are shorter, easier to understand, complete faster and are safer.
Gotcha though is I haven't used it with overlayfs. A cursory search yields no hits.
But it seems sane to allow Docker to continue to use overlayfs for the shared page cache
benefit, and even snapshotting (if Docker supports that overlayfs feature now?).
But the main pro is that you can have separate fstrees read-only or read-write mounted,
but they share the same storage pool, without hard barriers between them.
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