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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2026-04-06 06:39:44 +00:00
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Last updated: 2026-04-06T06:39:34.312411714Z
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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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2026-04-05 18:02:02 +00:00
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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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2026-04-06 06:39:44 +00:00
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| 1 | `in-memory` | 1093.921 | 12.329 | `ops/us` |
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| 2 | `memory-mapped-file` | 80.113 | 1.513 | `ops/us` |
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| 3 | `datastore4j` | 59.887 | 2.537 | `ops/us` |
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| 4 | `leveldb` | 35.927 | 0.868 | `ops/us` |
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| 5 | `mapdb` | 31.251 | 1.159 | `ops/us` |
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| 6 | `sqlite-jdbc-memory` | 4.285 | 0.286 | `ops/us` |
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| 7 | `lmdb` | 3.372 | 2.250 | `ops/us` |
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| 8 | `kryo` | 2.722 | 0.171 | `ops/us` |
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| 9 | `gson` | 2.342 | 0.077 | `ops/us` |
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| 10 | `sqlite-jdbc` | 2.061 | 0.052 | `ops/us` |
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| 11 | `sqlite-ormlite-memory` | 1.229 | 0.034 | `ops/us` |
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| 12 | `sqlite-ormlite` | 0.948 | 0.036 | `ops/us` |
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| 13 | `duckdb-jdbc` | 0.054 | 0.005 | `ops/us` |
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| - | `ikv-store` | FAILED | - | `n/a` |
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| - | `chronicle-map` | FAILED | - | `n/a` |
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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 18:02:02 +00:00
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| 1 | `in-memory` | 0.011 | 0.000 | `us/op` |
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2026-04-06 06:39:44 +00:00
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| 2 | `memory-mapped-file` | 0.149 | 0.004 | `us/op` |
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| 3 | `datastore4j` | 0.194 | 0.003 | `us/op` |
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| 4 | `leveldb` | 0.357 | 0.015 | `us/op` |
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| 5 | `mapdb` | 0.557 | 0.014 | `us/op` |
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| 6 | `sqlite-jdbc-memory` | 2.820 | 0.056 | `us/op` |
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| 7 | `lmdb` | 3.752 | 1.071 | `us/op` |
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| 8 | `kryo` | 4.420 | 0.336 | `us/op` |
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| 9 | `gson` | 5.168 | 0.582 | `us/op` |
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| 10 | `sqlite-jdbc` | 5.783 | 0.145 | `us/op` |
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| 11 | `sqlite-ormlite-memory` | 9.801 | 0.351 | `us/op` |
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| 12 | `sqlite-ormlite` | 12.611 | 0.307 | `us/op` |
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| 13 | `duckdb-jdbc` | 222.187 | 5.408 | `us/op` |
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| - | `ikv-store` | FAILED | - | `n/a` |
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| - | `chronicle-map` | FAILED | - | `n/a` |
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2026-04-05 15:50:45 +00:00
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<!-- BENCHMARK_RESULTS_END -->
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