dgraph-io/badger

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Feature	Badger	RocksDB	BoltDB
Design	LSM tree with value log	LSM tree only	B+ tree
High Read throughput	Yes	No	Yes
High Write throughput	Yes	Yes	No
Designed for SSDs	Yes (with latest research ¹)	Not specifically ²	No
Embeddable	Yes	Yes	Yes
Sorted KV access	Yes	Yes	Yes
Pure Go (no Cgo)	Yes	No	Yes
Transactions	Yes, ACID, concurrent with SSI³	Yes (but non-ACID)	Yes, ACID
Snapshots	Yes	Yes	Yes
TTL support	Yes	Yes	No
3D access (key-value-version)	Yes⁴	No	No

Platform	File	Notes
AIX	`dir_aix.go`	Directory `fsync` not supported; durability on crash may be affected
Windows	`dir_windows.go`	Uses different locking mechanism
Plan9	`dir_plan9.go`	No file locking support
WASM/JS	`dir_other.go`	No file locking support

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