2026-04-05 14:31:17 +00:00
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# data-access-benchmark
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```bash
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mvn package -q
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2026-04-05 15:11:36 +00:00
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java -jar target/benchmarks.jar
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# optional: suppress JDK warning from the launcher JVM
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java --sun-misc-unsafe-memory-access=allow -jar target/benchmarks.jar
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2026-04-05 14:31:17 +00:00
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```
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2026-04-05 15:50:45 +00:00
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## Benchmark Results (auto-updated)
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This section is automatically refreshed by the app after each benchmark run.
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Only the content between the markers below is rewritten, so the rest of this README stays untouched.
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<!-- BENCHMARK_RESULTS_START -->
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2026-04-05 18:02:02 +00:00
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Last updated: 2026-04-05T17:50:24.432296204Z
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2026-04-05 15:50:45 +00:00
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### System info
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- OS: `Linux 6.12.74+deb13+1-amd64` (amd64)
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- Java: `25.0.2` (vendor: `Microsoft`)
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- JVM: `OpenJDK 64-Bit Server VM` `25.0.2+10-LTS`
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- CPU model: `AMD Ryzen 5 9600X 6-Core Processor`
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- Total physical memory: `80078 MB`
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- Available processors: `12`
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- Max heap: `20032 MB`
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### Run context
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- Benchmark: `com.benchmark.benchmarks.DataAccessBenchmark.readSingleUser`
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- Thread count: `12`
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- Fixtures in this snapshot: `26`
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### Results
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#### Throughput
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| Rank | Fixture | Score | Error | Unit |
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|---:|---|---:|---:|---|
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| 1 | `in-memory` | 1089.340 | 31.288 | `ops/us` |
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| 2 | `memory-mapped-file` | 79.877 | 2.664 | `ops/us` |
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| 3 | `datastore4j` | 62.734 | 2.530 | `ops/us` |
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| 4 | `leveldb` | 31.035 | 4.986 | `ops/us` |
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| 5 | `mapdb` | 30.965 | 1.710 | `ops/us` |
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| 6 | `sqlite-jdbc-memory` | 4.250 | 0.107 | `ops/us` |
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| 7 | `lmdb` | 3.350 | 1.844 | `ops/us` |
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| 8 | `kryo` | 2.648 | 0.213 | `ops/us` |
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| 9 | `gson` | 2.314 | 0.125 | `ops/us` |
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| 10 | `sqlite-jdbc` | 2.032 | 0.320 | `ops/us` |
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| 11 | `sqlite-ormlite-memory` | 1.215 | 0.049 | `ops/us` |
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| 12 | `sqlite-ormlite` | 0.931 | 0.037 | `ops/us` |
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| 13 | `duckdb-jdbc` | 0.054 | 0.002 | `ops/us` |
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#### AverageTime
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| Rank | Fixture | Score | Error | Unit |
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|---:|---|---:|---:|---|
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| 1 | `in-memory` | 0.011 | 0.000 | `us/op` |
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| 2 | `memory-mapped-file` | 0.151 | 0.005 | `us/op` |
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| 3 | `datastore4j` | 0.190 | 0.013 | `us/op` |
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| 4 | `leveldb` | 0.330 | 0.017 | `us/op` |
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| 5 | `mapdb` | 0.583 | 0.066 | `us/op` |
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| 6 | `sqlite-jdbc-memory` | 2.885 | 0.233 | `us/op` |
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| 7 | `lmdb` | 3.364 | 1.158 | `us/op` |
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| 8 | `kryo` | 4.503 | 0.211 | `us/op` |
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| 9 | `gson` | 5.175 | 0.574 | `us/op` |
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| 10 | `sqlite-jdbc` | 5.827 | 0.302 | `us/op` |
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| 11 | `sqlite-ormlite-memory` | 9.907 | 0.441 | `us/op` |
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| 12 | `sqlite-ormlite` | 12.929 | 0.427 | `us/op` |
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| 13 | `duckdb-jdbc` | 226.375 | 13.410 | `us/op` |
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2026-04-05 15:50:45 +00:00
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<!-- BENCHMARK_RESULTS_END -->
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