Bug #8484

Implement aggregate sum and use for arc counters

Added by Prakash Surya 6 months ago.

Status:NewStart date:2017-07-11
Priority:NormalDue date:
Assignee:Prakash Surya% Done:


Category:zfs - Zettabyte File System
Target version:-
Difficulty:Medium Tags:needs-triage


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.

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