Hi, ZFS (still) has some very conservative default parameter settings for L2ARC which were set back in the days of SATA SSDs. E.g. l2arc_write_max which caps writing to the L2ARC at 8MB/s. I’ve been using Optanes for SLOG and L2ARC with fine and measurable results under Core, once I adjusted some …

L2ARC parameters on Scale

Okedokey August 9, 2024, 7:32am 3

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