Hi,
regarding ZFS compression method: what happens when a compressed file is
udpated/appended? Is it ALL un-compressed first, updated/appended and
then re-compressed? Or only the affected blocks are uncompressed and
then recompressed?
And, what happens exactly when a portion of a compressed file is to be
read: the whole file or only a portion is read and uncompressed?
Thank you in advance
Leonardo
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