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authorBrian Behlendorf <[email protected]>2023-01-24 15:23:32 -0800
committerBrian Behlendorf <[email protected]>2023-01-27 10:02:24 -0800
commit973934b965268b5333564dbdf4e76b34cc7e7b6f (patch)
treeb156a81c15b3038a13a1a153c851133fe9a79d51 /man/man8/zpool_influxdb.8
parentc0aea7cf4e86fc02db8046fbb3bca21a918053a2 (diff)
Increase default zfs_rebuild_vdev_limit to 64MB
When testing distributed rebuild performance with more capable hardware it was observed than increasing the zfs_rebuild_vdev_limit to 64M reduced the rebuild time by 17%. Beyond 64MB there was some improvement (~2%) but it was not significant when weighed against the increased memory usage. Memory usage is capped at 1/4 of arc_c_max. Additionally, vr_bytes_inflight_max has been moved so it's updated per-metaslab to allow the size to be adjust while a rebuild is running. Reviewed-by: Akash B <[email protected]> Reviewed-by: Tony Nguyen <[email protected]> Reviewed-by: Alexander Motin <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #14428
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