data-access-benchmark/README.md

data-access-benchmark

mvn package -q
java -jar target/benchmarks.jar

# optional: suppress JDK warning from the launcher JVM
java --sun-misc-unsafe-memory-access=allow -jar target/benchmarks.jar

Benchmark Results (auto-updated)

This section is automatically refreshed by the app after each benchmark run. Only the content between the markers below is rewritten, so the rest of this README stays untouched.

Last updated: 2026-04-05T17:19:53.068450463Z

System info

• OS: Linux 6.12.74+deb13+1-amd64 (amd64)
• Java: 25.0.2 (vendor: Microsoft)
• JVM: OpenJDK 64-Bit Server VM 25.0.2+10-LTS
• CPU model: AMD Ryzen 5 9600X 6-Core Processor
• Total physical memory: 80078 MB
• Available processors: 12
• Max heap: 20032 MB

Run context

• Benchmark: com.benchmark.benchmarks.DataAccessBenchmark.readSingleUser
• Thread count: 12
• Fixtures in this snapshot: 30

Results

Throughput

Rank	Fixture	Score	Error	Unit
1	ikv-store	1085.094	32.267	ops/us
2	in-memory	1076.857	17.298	ops/us
3	chronicle-map	85.276	2.529	ops/us
4	memory-mapped-file	79.549	1.791	ops/us
5	datastore4j	61.163	2.313	ops/us
6	leveldb	31.796	5.871	ops/us
7	mapdb	28.615	6.765	ops/us
8	sqlite-jdbc-memory	4.153	0.249	ops/us
9	lmdb	3.115	0.864	ops/us
10	kryo	2.549	0.150	ops/us
11	gson	2.154	0.183	ops/us
12	sqlite-jdbc	1.970	0.162	ops/us
13	sqlite-ormlite-memory	1.071	0.255	ops/us
14	sqlite-ormlite	0.886	0.039	ops/us
15	duckdb-jdbc	0.050	0.004	ops/us

AverageTime

Rank	Fixture	Score	Error	Unit
1	ikv-store	0.011	0.000	us/op
2	in-memory	0.011	0.000	us/op
3	chronicle-map	0.142	0.005	us/op
4	memory-mapped-file	0.154	0.004	us/op
5	datastore4j	0.204	0.010	us/op
6	leveldb	0.387	0.046	us/op
7	mapdb	0.403	0.031	us/op
8	sqlite-jdbc-memory	3.005	0.504	us/op
9	lmdb	3.665	0.355	us/op
10	kryo	4.820	0.338	us/op
11	gson	5.416	0.368	us/op
12	sqlite-jdbc	6.056	0.441	us/op
13	sqlite-ormlite-memory	10.431	0.868	us/op
14	sqlite-ormlite	13.394	0.376	us/op
15	duckdb-jdbc	235.873	22.582	us/op