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V 3
mav
K 8
svn:date
V 27
2018-07-31T00:02:42.328576Z
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V 738
MFV r336948: 9112 Improve allocation performance on high-end systems

On high-end systems running async sequential write workloads, especially
NUMA systems with flash or NVMe storage, one significant performance
bottleneck is selecting a metaslab to do allocations from. This process
can be parallelized, providing significant performance increases for
these workloads.

illumos/illumos-gate@f78cdc34af236a6199dd9e21376f4a46348c0d56

Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Serapheim Dimitropoulos <serapheim.dimitro@delphix.com>
Reviewed by: Alexander Motin <mav@FreeBSD.org>
Approved by: Gordon Ross <gwr@nexenta.com>
Author: Paul Dagnelie <pcd@delphix.com>

END