# mongo-lite vs MongoDB benchmark
# date: 2026-08-03T08:53:32Z  git: c8d547f+dirty
# args: size=1g doc-size=16k wc=j clients=1 4 8 16 32 per-client=2000
# reproduce: bash tests/e2e/bench-run.sh 1g 16k "1 4 8 16 32"

[main]
insertOne (sequential) ×200	0.20 ms	14.8 ms
bulk insert throughput	732.4 MB/s	546.2 MB/s
docs loaded	65,536	65,536
createIndex({k: 1})	74.4 ms	83.6 ms
countDocuments({})	3.1 ms	12.4 ms
findOne({_id: <ObjectId>})	0.59 ms	0.61 ms
findOne({k: 500}) (indexed)	0.56 ms	0.94 ms
find({p: {$gte,$lt}}).count() (scan)	13.0 ms	15.0 ms
find({}).sort({_id:-1}).limit(20)	2.2 ms	2.2 ms
find({}, {proj}).limit(1000)	3.5 ms	4.4 ms
aggregate $group by k	8.3 ms	13.2 ms
updateOne({_id}) ×50	0.14 ms	0.20 ms
updateMany({k: 7}, {$inc})	1.9 ms	6.4 ms
deleteOne({_id}) + insertOne	0.58 ms	4.9 ms
node client RSS	158 MB	157 MB

[concurrency]
clients	1	8435	232	36.4x
clients	4	22480	491	45.8x
clients	8	25920	966	26.8x
clients	16	31079	1842	16.9x
clients	32	34041	3632	9.4x

[meta]
ml_rss_mb	553
md_rss_mb	1486
ml_reopen	0.8s
md_reopen	1.3s
ml_disk_mb	97MB
md_disk_mb	106MB