https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=218043
Bug ID: 218043
Summary: ZFS ARC hit regression
Product: Base System
Version: 11.0-STABLE
Hardware: Any
OS: Any
Status: New
Severity: Affects Many People
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
After base r307265 (MFC base r305323) ZFS ARC caused regresion for hit ratio of
data and cused about x220 rise of metadata request ratio.
System w/ reverted base r307265:
ARC demand metadata hits: 27 30 29 29
ARC demand metadata misses: 0 0 0 0
System w/ applied base r307265:
ARC demand metadata hits: 6619 6773 6680 6643
ARC demand metadata misses: 0 0 0 0
I mean requested (and hited) metadata evict data from ZFS and give regression
of data hit ratio.
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