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 16:54:41 +00:00
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Last updated: 2026-04-05T16:53:23.606653992Z
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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: `28`
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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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2026-04-05 16:54:41 +00:00
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| 1 | `in-memory` | 1071.748 | 51.460 | `ops/us` |
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| 2 | `chronicle-map` | 84.556 | 5.034 | `ops/us` |
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| 3 | `memory-mapped-file` | 78.969 | 1.996 | `ops/us` |
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| 4 | `datastore4j` | 58.406 | 2.794 | `ops/us` |
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| 5 | `leveldb` | 32.387 | 5.570 | `ops/us` |
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| 6 | `mapdb` | 29.448 | 1.222 | `ops/us` |
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| 7 | `sqlite-jdbc-memory` | 3.847 | 0.463 | `ops/us` |
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| 8 | `lmdb` | 3.210 | 0.725 | `ops/us` |
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| 9 | `kryo` | 2.463 | 0.130 | `ops/us` |
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| 10 | `gson` | 2.198 | 0.057 | `ops/us` |
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| 11 | `sqlite-jdbc` | 1.862 | 0.492 | `ops/us` |
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| 12 | `sqlite-ormlite-memory` | 1.018 | 0.347 | `ops/us` |
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| 13 | `sqlite-ormlite` | 0.835 | 0.279 | `ops/us` |
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| 14 | `duckdb-jdbc` | 0.048 | 0.007 | `ops/us` |
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2026-04-05 15:50:45 +00:00
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#### AverageTime
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| Rank | Fixture | Score | Error | Unit |
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|---:|---|---:|---:|---|
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2026-04-05 16:54:41 +00:00
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| 1 | `in-memory` | 0.012 | 0.001 | `us/op` |
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| 2 | `chronicle-map` | 0.150 | 0.017 | `us/op` |
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| 3 | `memory-mapped-file` | 0.155 | 0.008 | `us/op` |
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| 4 | `datastore4j` | 0.228 | 0.016 | `us/op` |
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| 5 | `leveldb` | 0.288 | 0.018 | `us/op` |
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| 6 | `mapdb` | 0.481 | 0.032 | `us/op` |
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| 7 | `sqlite-jdbc-memory` | 2.964 | 0.191 | `us/op` |
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| 8 | `lmdb` | 3.708 | 1.615 | `us/op` |
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| 9 | `kryo` | 4.834 | 0.863 | `us/op` |
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| 10 | `gson` | 5.592 | 0.253 | `us/op` |
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| 11 | `sqlite-jdbc` | 6.108 | 0.397 | `us/op` |
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| 12 | `sqlite-ormlite-memory` | 10.541 | 0.393 | `us/op` |
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| 13 | `sqlite-ormlite` | 17.532 | 7.855 | `us/op` |
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| 14 | `duckdb-jdbc` | 339.471 | 181.558 | `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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