K 10 svn:author V 3 mav K 8 svn:date V 27 2018-04-16T03:52:54.793707Z K 7 svn:log V 542 MFC r331404: MFV r331400: 8484 Implement aggregate sum and use for arc counters In pursuit of improving performance on multi-core systems, we should implements fanned out counters and use them to improve the performance of some of the arc statistics. These stats are updated extremely frequently, and can consume a significant amount of CPU time. Reviewed by: Pavel Zakharov Reviewed by: Matthew Ahrens Approved by: Dan McDonald Author: Paul Dagnelie END