Here we compare the read/write 4KB performance of several popular KV store engines, including badger, levelDB, and BoltDB.
go test -bench=Read -benchtime=60s -timeout=30m -count=3
goos: linux
goarch: amd64
pkg: github.com/wenzhang-dev/bitcaskDB-benchmark
cpu: Intel(R) Xeon(R) Gold 5318N CPU @ 2.10GHz
BenchmarkReadWithBitcaskDB/read4K-8 11459024 6313 ns/op 1.217 AvgRSS(GB) 1.275 PeakRSS(GB) 10120 B/op 10 allocs/op
BenchmarkReadWithBitcaskDB/read4K-8 12512324 6522 ns/op 1.220 AvgRSS(GB) 1.234 PeakRSS(GB) 10120 B/op 10 allocs/op
BenchmarkReadWithBitcaskDB/read4K-8 12414660 6468 ns/op 1.206 AvgRSS(GB) 1.231 PeakRSS(GB) 10120 B/op 10 allocs/op
BenchmarkReadWithBadger/read4K-8 4575487 13526 ns/op 2.716 AvgRSS(GB) 4.350 PeakRSS(GB) 19416 B/op 43 allocs/op
BenchmarkReadWithBadger/read4K-8 4960239 13741 ns/op 1.629 AvgRSS(GB) 1.681 PeakRSS(GB) 19406 B/op 43 allocs/op
BenchmarkReadWithBadger/read4K-8 4851144 14429 ns/op 1.591 AvgRSS(GB) 1.650 PeakRSS(GB) 19422 B/op 44 allocs/op
BenchmarkReadWithLevelDB/read4K-8 1569663 50710 ns/op 0.111 AvgRSS(GB) 0.134 PeakRSS(GB) 55021 B/op 35 allocs/op
BenchmarkReadWithLevelDB/read4K-8 1000000 63066 ns/op 0.113 AvgRSS(GB) 0.129 PeakRSS(GB) 54264 B/op 35 allocs/op
BenchmarkReadWithLevelDB/read4K-8 1236408 57268 ns/op 0.114 AvgRSS(GB) 0.138 PeakRSS(GB) 54624 B/op 35 allocs/op
BenchmarkReadWithBoltDB/read4K-8 12587562 5269 ns/op 5.832 AvgRSS(GB) 5.838 PeakRSS(GB) 832 B/op 13 allocs/op
BenchmarkReadWithBoltDB/read4K-8 16920481 4482 ns/op 5.832 AvgRSS(GB) 5.833 PeakRSS(GB) 832 B/op 13 allocs/op
BenchmarkReadWithBoltDB/read4K-8 19141418 5276 ns/op 5.832 AvgRSS(GB) 5.835 PeakRSS(GB) 832 B/op 13 allocs/op
PASS
ok github.com/wenzhang-dev/bitcaskDB-benchmark 1475.172sgo test -bench=Write -benchtime=60s -timeout=30m -count=3
goos: linux
goarch: amd64
pkg: github.com/wenzhang-dev/bitcaskDB-benchmark
cpu: Intel(R) Xeon(R) Gold 5318N CPU @ 2.10GHz
BenchmarkWriteWithBitcaskDB/write4K-8 8334304 13217 ns/op 0.7905 AvgRSS(GB) 0.934 PeakRSS(GB) 1666 B/op 11 allocs/op
BenchmarkWriteWithBitcaskDB/write4K-8 5323338 14976 ns/op 0.9732 AvgRSS(GB) 1.058 PeakRSS(GB) 1727 B/op 12 allocs/op
BenchmarkWriteWithBitcaskDB/write4K-8 5435398 13929 ns/op 0.9639 AvgRSS(GB) 1.122 PeakRSS(GB) 1756 B/op 12 allocs/op
BenchmarkWriteWithLevelDB/write4K-8 1047753 68691 ns/op 0.0615 AvgRSS(GB) 0.0636 PeakRSS(GB) 2946 B/op 16 allocs/op
BenchmarkWriteWithLevelDB/write4K-8 1179555 71497 ns/op 0.0617 AvgRSS(GB) 0.0634 PeakRSS(GB) 3250 B/op 18 allocs/op
BenchmarkWriteWithLevelDB/write4K-8 992488 74130 ns/op 0.0613 AvgRSS(GB) 0.0625 PeakRSS(GB) 3444 B/op 19 allocs/op
BenchmarkWriteWithBadger/write4K-8 3776720 20036 ns/op 6.409 AvgRSS(GB) 7.534 PeakRSS(GB) 30062 B/op 68 allocs/op
BenchmarkWriteWithBadger/write4K-8 4106070 50959 ns/op 10.77 AvgRSS(GB) 13.63 PeakRSS(GB) 115442 B/op 152 allocs/op
BenchmarkWriteWithBadger/write4K-8 1491906 49955 ns/op 11.45 AvgRSS(GB) 13.72 PeakRSS(GB) 88941 B/op 130 allocs/op
BenchmarkWriteWithBoltDB/write4K-8 2808206 23131 ns/op 0.626 AvgRSS(GB) 0.999 PeakRSS(GB) 7579 B/op 11 allocs/op
BenchmarkWriteWithBoltDB/write4K-8 4303538 22836 ns/op 1.713 AvgRSS(GB) 2.971 PeakRSS(GB) 7765 B/op 11 allocs/op
BenchmarkWriteWithBoltDB/write4K-8 3755002 19385 ns/op 2.481 AvgRSS(GB) 2.872 PeakRSS(GB) 7896 B/op 12 allocs/op
PASS
ok github.com/wenzhang-dev/bitcaskDB-benchmark 1541.068sgo test -bench=DiskUsage -benchtime=60s -count=1 -timeout=30m
goos: linux
goarch: amd64
pkg: github.com/wenzhang-dev/bitcaskDB-benchmark
cpu: Intel(R) Xeon(R) Gold 5318N CPU @ 2.10GHz
BenchmarkDiskUsageWithBitcaskDB/1_million-8 1000000000 0.003079 ns/op 3.880 DiskUsage(GB)
BenchmarkDiskUsageWithLevelDB/1_million-8 1000000000 0.004168 ns/op 0.252 DiskUsage(GB)
BenchmarkDiskUsageWithBadger/1_million-8 1000000000 0.02207 ns/op 2.431 DiskUsage(GB)
BenchmarkDiskUsageWithBoltDB/1_million-8 1000000000 0.002641 ns/op 5.775 DiskUsage(GB)
PASS
ok github.com/wenzhang-dev/bitcaskDB-benchmark 109.965s