Ameer Hamza b27a87f399 L2ARC: Write budget fairness for metadata monopolization ... Under heavy metadata load, metadata passes can monopolize the write budget every cycle while data passes get nothing written. Track consecutive monopolized cycles per device in l2ad_meta_cycles. After l2arc_meta_cycles (default 2) consecutive cycles where metadata fills the write budget, skip metadata for one cycle to let data run. Reset the counter when nothing is written. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Alexander Motin <alexander.motin@TrueNAS.com> Signed-off-by: Ameer Hamza <ahamza@ixsystems.com> Closes #18289		2026-03-10 11:00:14 -07:00
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spl.4	manuals: Audit/bump dates for last content change	2025-08-28 16:26:16 -07:00
zfs.4	L2ARC: Write budget fairness for metadata monopolization	2026-03-10 11:00:14 -07:00