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author	Xuehan Xu <xxhdx1985126@gmail.com>
	Thu, 9 Dec 2021 04:26:39 +0000 (12:26 +0800)
committer	Xuehan Xu <xxhdx1985126@gmail.com>
	Mon, 7 Mar 2022 02:24:52 +0000 (10:24 +0800)
commit	e9aa3497415ac00c955d16bb6a284bde1f2f7066
tree	e9fae8926a7ac82c8226ff12bbdede6a866e89f8	tree \| snapshot
parent	7d013677fa6b66a0882d31f3708f5734e94b787e	commit \| diff

crimson/os/seastore/EPM: differentiate new extents and rewritten extents

For new extents, randomly write them into a group of writers; while, for
rewritten extents, write them into a dedicated writer. Since rewritten
extents are sorted by their age, writing them into a single writer should
speed up the convergence of the ages of extents in the same segment.

Signed-off-by: Xuehan Xu <xxhdx1985126@gmail.com>

Unnamed repository; edit this file 'description' to name the repository.

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src/common/options/crimson.yaml.in		diff \| blob \| history
src/crimson/common/interruptible_future.h		diff \| blob \| history
src/crimson/os/seastore/extent_placement_manager.cc		diff \| blob \| history
src/crimson/os/seastore/extent_placement_manager.h		diff \| blob \| history
src/crimson/os/seastore/segment_cleaner.cc		diff \| blob \| history
src/crimson/os/seastore/segment_cleaner.h		diff \| blob \| history