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authorshodanshok <[email protected]>2024-08-16 22:34:07 +0200
committerTony Hutter <[email protected]>2024-08-27 14:53:03 -0700
commitcd42e992b5972cc011a0ed82a8b50df67972828f (patch)
tree01b76de1571a5fa2b6fe53bdbba818c824279d75 /zfs.release.in
parentc60df6a80179f45a64daeb47113b0a342461ef97 (diff)
Enable L2 cache of all (MRU+MFU) metadata but MFU data only
`l2arc_mfuonly` was added to avoid wasting L2 ARC on read-once MRU data and metadata. However it can be useful to cache as much metadata as possible while, at the same time, restricting data cache to MFU buffers only. This patch allow for such behavior by setting `l2arc_mfuonly` to 2 (or higher). The list of possible values is the following: 0: cache both MRU and MFU for both data and metadata; 1: cache only MFU for both data and metadata; 2: cache both MRU and MFU for metadata, but only MFU for data. Reviewed-by: Alexander Motin <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Gionatan Danti <[email protected]> Closes #16343 Closes #16402
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