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debing.sun authored
Implement #12963 ## Changes 1. large bins don't have external fragmentation or are at least non-defraggable, so we should ignore the effect of large bins when measuring fragmentation, and only measure fragmentation of small bins. this affects both the allocator_frag* metrics and also the active-defrag trigger 2. Adding INFO metrics for `muzzy` memory, which is memory returned to the OS but still shows as RSS until the OS reclaims it. --------- Co-authored-by:
Oran Agra <oran@redislabs.com>
f6785df6