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mav 0206c2cc3d 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@f78cdc34af

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>
2018-07-30 23:53:25 +00:00
common 9238 ZFS Spacemap Encoding V2 2018-07-30 22:56:24 +00:00
uts 9112 Improve allocation performance on high-end systems 2018-07-30 23:53:25 +00:00
OPENSOLARIS.LICENSE Update vendor-sys/opensolaris to last OpenSolaris state (13149:b23a4dab3d50) 2012-07-18 08:12:04 +00:00