From https://github.com/viritin/svg-visualizations * branch main -> FETCH_HEAD Already on 'main' Your branch is up to date with 'origin/main'. HEAD is now at 8144624 deps so that they build also with Spring Boot 404 aka Jackson not Found $ mvn versions:set-property -Dproperty=vaadin.version -DnewVersion=25.2-SNAPSHOT -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.0.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 100, column 21 [WARNING] [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build. [WARNING] [WARNING] For this reason, future Maven versions might no longer support building such malformed projects. [WARNING] [INFO] [INFO] --------------------< in.virit:svg-visualizations >--------------------- [INFO] Building svg-vizualizations 1.0.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- versions:2.21.0:set-property (default-cli) @ svg-visualizations --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.443 s [INFO] Finished at: 2026-06-10T18:54:39Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2-SNAPSHOT -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.0.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 100, column 21 [WARNING] [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build. [WARNING] [WARNING] For this reason, future Maven versions might no longer support building such malformed projects. [WARNING] [INFO] [INFO] --------------------< in.virit:svg-visualizations >--------------------- [INFO] Building svg-vizualizations 1.0.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- versions:2.21.0:set (default-cli) @ svg-visualizations --- [INFO] Searching for local aggregator root... [INFO] Local aggregation root: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations [INFO] Processing change of in.virit:vaadin-bom:1.0.1-SNAPSHOT -> 25.2-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.285 s [INFO] Finished at: 2026-06-10T18:54:44Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml -DskipPerformanceValidation=true [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.0.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 100, column 21 [WARNING] [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build. [WARNING] [WARNING] For this reason, future Maven versions might no longer support building such malformed projects. [WARNING] [INFO] [INFO] --------------------< in.virit:svg-visualizations >--------------------- [INFO] Building svg-vizualizations 1.0.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- clean:3.2.0:clean (default-clean) @ svg-visualizations --- [INFO] Deleting /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/target [INFO] [INFO] --- flatten:1.7.0:clean (flatten.clean) @ svg-visualizations --- [INFO] Deleting /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/.flattened-pom.xml [INFO] [INFO] --- resources:3.3.1:resources (default-resources) @ svg-visualizations --- [INFO] skip non existing resourceDirectory /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/main/resources [INFO] [INFO] --- flatten:1.7.0:flatten (flatten) @ svg-visualizations --- [INFO] Generating flattened POM of project in.virit:svg-visualizations:jar:1.0.1-SNAPSHOT... [INFO] [INFO] --- compiler:3.13.0:compile (default-compile) @ svg-visualizations --- [INFO] Recompiling the module because of changed source code. [INFO] Compiling 2 source files with javac [debug release 21] to target/classes [INFO] [INFO] --- resources:3.3.1:testResources (default-testResources) @ svg-visualizations --- [INFO] skip non existing resourceDirectory /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/test/resources [INFO] [INFO] --- compiler:3.13.0:testCompile (default-testCompile) @ svg-visualizations --- [INFO] Recompiling the module because of changed dependency. [INFO] Compiling 13 source files with javac [debug release 21] to target/test-classes [INFO] /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/test/java/org/vaadin/svgvis/it/SvgVisualizationsIT.java: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/test/java/org/vaadin/svgvis/it/SvgVisualizationsIT.java uses or overrides a deprecated API. [INFO] /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/test/java/org/vaadin/svgvis/it/SvgVisualizationsIT.java: Recompile with -Xlint:deprecation for details. [INFO] [INFO] --- surefire:3.2.5:test (default-test) @ svg-visualizations --- [INFO] Using auto detected provider org.apache.maven.surefire.junitplatform.JUnitPlatformProvider [INFO] [INFO] ------------------------------------------------------- [INFO] T E S T S [INFO] ------------------------------------------------------- [INFO] Running org.vaadin.svgvis.RenderingPerformanceTest Loaded 948423 weather records === System Information === CPU Model: AMD EPYC-Rome Processor CPU Cores: 4 OS: Linux 6.8.0-124-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-06-10T17:18:46.607361082Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 18:55:18.657 [main] INFO com.vaadin.flow.server.DefaultDeploymentConfiguration -- Vaadin is running in production mode. === SparkLine draw() CPU Time Analysis === Measuring time to execute draw() with real components... Data Points | No Smoothing | Moving Avg | RDP -------------|----------------|----------------|---------------- 100 | 2.35 ms | 3.12 ms | 3.87 ms 1,000 | 3.33 ms | 4.05 ms | 1.39 ms 10,000 | 18.68 ms | 8.22 ms | 5.28 ms 49,871 | 33.07 ms | 4.68 ms | 69.01 ms 97,643 | 98.63 ms | 12.80 ms | 5.00 ms 495,995 | 402.87 ms | 65.75 ms | 93.24 ms 944,282 | 713.65 ms | 164.45 ms | 73.85 ms Note: Times include full SVG element creation and DOM operations. === WindRose draw() CPU Time Analysis === Measuring time to aggregate and draw WindRose with real components... Input Records | Aggregation | Draw | Total --------------|----------------|----------------|---------------- 1,000 | 4.07 ms | 865.5 µs | 4.94 ms 10,000 | 1.98 ms | 1.33 ms | 3.31 ms 50,000 | 11.17 ms | 849.1 µs | 12.02 ms 100,000 | 20.67 ms | 976.2 µs | 21.65 ms 500,000 | 23.83 ms | 727.9 µs | 24.55 ms 948,423 | 48.59 ms | 1.91 ms | 50.50 ms Note: WindRose aggregation is O(n), but draw is O(sectors) = O(1). === Scaling Behavior Analysis === Comparing how draw time scales with data size... Multiplier | Data Size | NONE (rel) | MovingAvg (rel) | RDP (rel) -----------|--------------|----------------|-----------------|---------------- 1x | 10,000 | 7.34 ms ( 0.5x) | 1.70 ms ( 1.5x) | 3.14 ms ( 2.1x) 2x | 19,996 | 15.42 ms ( 1.0x) | 2.08 ms ( 1.8x) | 1.75 ms ( 1.2x) 5x | 49,871 | 23.83 ms ( 1.5x) | 2.73 ms ( 2.4x) | 1.89 ms ( 1.3x) 10x | 97,643 | 99.50 ms ( 6.3x) | 10.43 ms ( 9.3x) | 4.19 ms ( 2.8x) 20x | 196,569 | 112.63 ms ( 7.2x) | 20.12 ms (17.8x) | 30.86 ms (20.7x) 50x | 495,995 | 314.80 ms (20.0x) | 43.14 ms (38.3x) | 32.08 ms (21.6x) Ideal O(n): time should grow linearly with multiplier. With smoothing: time for SVG creation is ~constant after reduction. === Output Size vs Draw Time === Comparing output point count and actual draw time... Input Points | MA Elements | MA Draw Time | RDP Elements | RDP Draw Time -------------|-------------|----------------|--------------|---------------- 1,000 | 5 | 1.36 ms | 5 | 977.4 µs 10,000 | 5 | 2.02 ms | 5 | 2.09 ms 97,643 | 5 | 5.85 ms | 5 | 4.27 ms 495,995 | 5 | 32.23 ms | 5 | 34.86 ms 944,282 | 5 | 88.86 ms | 5 | 102.28 ms Element count reflects SVG complexity after smoothing. === Multi-Series SparkLine Draw Time === Measuring draw time with multiple data series... Series Count | Moving Avg | RDP -------------|----------------|---------------- 1 | 11.60 ms | 3.29 ms 2 | 18.01 ms | 13.93 ms 3 | 18.69 ms | 22.39 ms 5 | 33.37 ms | 41.72 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.35 ms (baseline: 4.69 ms, -49.9%) sparkline.movingAvg.100: 3.12 ms (baseline: 3.44 ms, -9.3%) ⚠️ sparkline.rdp.100: 3.87 ms (baseline: 1.42 ms, +172.2%) ✓ sparkline.none.1000: 3.33 ms (baseline: 8.60 ms, -61.3%) ⚠️ sparkline.movingAvg.1000: 4.05 ms (baseline: 3.01 ms, +34.3%) ✓ sparkline.rdp.1000: 1.39 ms (baseline: 4.48 ms, -69.0%) ✓ sparkline.none.10000: 18.68 ms (baseline: 23.12 ms, -19.2%) ⚠️ sparkline.movingAvg.10000: 8.22 ms (baseline: 3.86 ms, +113.1%) sparkline.rdp.10000: 5.28 ms (baseline: 5.70 ms, -7.4%) ✓ sparkline.none.50000: 33.07 ms (baseline: 43.14 ms, -23.3%) ⚠️ sparkline.movingAvg.50000: 4.68 ms (baseline: 3.62 ms, +29.4%) sparkline.rdp.50000: 69.01 ms (baseline: 59.17 ms, +16.6%) sparkline.none.100000: 98.63 ms (baseline: 85.81 ms, +14.9%) ⚠️ sparkline.movingAvg.100000: 12.80 ms (baseline: 5.65 ms, +126.4%) ✓ sparkline.rdp.100000: 5.00 ms (baseline: 9.35 ms, -46.5%) ⚠️ sparkline.none.500000: 402.87 ms (baseline: 327.79 ms, +22.9%) ⚠️ sparkline.movingAvg.500000: 65.75 ms (baseline: 53.59 ms, +22.7%) ⚠️ sparkline.rdp.500000: 93.24 ms (baseline: 19.32 ms, +382.7%) sparkline.none.948423: 713.65 ms (baseline: 635.91 ms, +12.2%) ⚠️ sparkline.movingAvg.948423: 164.45 ms (baseline: 109.27 ms, +50.5%) ✓ sparkline.rdp.948423: 73.85 ms (baseline: 97.85 ms, -24.5%) ⚠️ windrose.aggregation.1000: 4.07 ms (baseline: 390.4 µs, +943.8%) ✓ windrose.draw.1000: 865.5 µs (baseline: 1.61 ms, -46.1%) ✓ windrose.aggregation.10000: 1.98 ms (baseline: 3.34 ms, -40.8%) ✓ windrose.draw.10000: 1.33 ms (baseline: 1.48 ms, -10.2%) ✓ windrose.aggregation.50000: 11.17 ms (baseline: 16.26 ms, -31.3%) ✓ windrose.draw.50000: 849.1 µs (baseline: 2.80 ms, -69.7%) ⚠️ windrose.aggregation.100000: 20.67 ms (baseline: 16.65 ms, +24.2%) ✓ windrose.draw.100000: 976.2 µs (baseline: 1.34 ms, -27.4%) ✓ windrose.aggregation.500000: 23.83 ms (baseline: 94.09 ms, -74.7%) ✓ windrose.draw.500000: 727.9 µs (baseline: 1.30 ms, -43.9%) ✓ windrose.aggregation.948423: 48.59 ms (baseline: 133.54 ms, -63.6%) ✓ windrose.draw.948423: 1.91 ms (baseline: 9.76 ms, -80.4%) scaling.none.1x: 7.34 ms (baseline: 6.41 ms, +14.6%) ⚠️ scaling.movingAvg.1x: 1.70 ms (baseline: 931.0 µs, +82.9%) ⚠️ scaling.rdp.1x: 3.14 ms (baseline: 1.26 ms, +148.6%) ✓ scaling.none.2x: 15.42 ms (baseline: 41.43 ms, -62.8%) scaling.movingAvg.2x: 2.08 ms (baseline: 1.97 ms, +5.4%) ✓ scaling.rdp.2x: 1.75 ms (baseline: 2.01 ms, -12.6%) ✓ scaling.none.5x: 23.83 ms (baseline: 32.23 ms, -26.1%) ✓ scaling.movingAvg.5x: 2.73 ms (baseline: 7.09 ms, -61.5%) scaling.rdp.5x: 1.89 ms (baseline: 1.98 ms, -4.4%) ⚠️ scaling.none.10x: 99.50 ms (baseline: 66.33 ms, +50.0%) ✓ scaling.movingAvg.10x: 10.43 ms (baseline: 12.33 ms, -15.4%) ✓ scaling.rdp.10x: 4.19 ms (baseline: 5.19 ms, -19.2%) scaling.none.20x: 112.63 ms (baseline: 97.34 ms, +15.7%) ⚠️ scaling.movingAvg.20x: 20.12 ms (baseline: 9.41 ms, +113.8%) ⚠️ scaling.rdp.20x: 30.86 ms (baseline: 10.89 ms, +183.2%) scaling.none.50x: 314.80 ms (baseline: 293.98 ms, +7.1%) ⚠️ scaling.movingAvg.50x: 43.14 ms (baseline: 32.94 ms, +31.0%) ⚠️ scaling.rdp.50x: 32.08 ms (baseline: 20.32 ms, +57.9%) ⚠️ multiseries.movingAvg.1series: 11.60 ms (baseline: 7.47 ms, +55.4%) ✓ multiseries.rdp.1series: 3.29 ms (baseline: 6.60 ms, -50.1%) ⚠️ multiseries.movingAvg.2series: 18.01 ms (baseline: 12.26 ms, +46.8%) ✓ multiseries.rdp.2series: 13.93 ms (baseline: 18.92 ms, -26.4%) ⚠️ multiseries.movingAvg.3series: 18.69 ms (baseline: 12.33 ms, +51.5%) ⚠️ multiseries.rdp.3series: 22.39 ms (baseline: 15.44 ms, +45.0%) ⚠️ multiseries.movingAvg.5series: 33.37 ms (baseline: 22.67 ms, +47.2%) ⚠️ multiseries.rdp.5series: 41.72 ms (baseline: 31.81 ms, +31.2%) Baseline saved to: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/performance-baseline.properties [WARNING] Tests run: 6, Failures: 0, Errors: 0, Skipped: 1, Time elapsed: 45.04 s -- in org.vaadin.svgvis.RenderingPerformanceTest [INFO] Running org.vaadin.svgvis.unit.WindRoseTest [INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.020 s -- in org.vaadin.svgvis.unit.WindRoseTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineTest [INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.010 s -- in org.vaadin.svgvis.unit.SvgSparkLineTest [INFO] Running org.vaadin.svgvis.SessionWeightTest Loaded 948423 weather records for testing === DataPoints Session Weight Analysis === Measuring serialized size of SvgSparkLine.DataPoint lists... Data points: 100 -> Serialized: 2.3 KB (23.2 bytes/point) Data points: 1,000 -> Serialized: 21.6 KB (22.1 bytes/point) Data points: 10,000 -> Serialized: 215.0 KB (22.0 bytes/point) Data points: 49,871 -> Serialized: 1.0 MB (22.0 bytes/point) Data points: 97,643 -> Serialized: 2.0 MB (22.0 bytes/point) Data points: 495,995 -> Serialized: 10.4 MB (22.0 bytes/point) Data points: 944,282 -> Serialized: 19.8 MB (22.0 bytes/point) === WindRose Data Session Weight Analysis === WindRose aggregates data into fixed sectors, so weight is constant. Input records: 100 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 1,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 10,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 50,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 100,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 500,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 948,423 -> Aggregated to 16 sectors -> Serialized: 505 B Conclusion: WindRose weight is ~constant regardless of input size! === Session Weight Growth Comparison === Comparing growth patterns of different data storage approaches... Size | Raw Data | Before Draw | After Smooth | After Draw | WindRose -------------|----------------|----------------|----------------|----------------|---------- 1,000 | 259.4 KB | 21.6 KB | 1.2 KB | 58 B | 155 B 10,000 | 2.5 MB | 215.0 KB | 1.2 KB | 58 B | 155 B 100,000 | 25.3 MB | 2.1 MB | 1.2 KB | 58 B | 155 B 948,423 | 239.7 MB | 19.9 MB | 1.2 KB | 58 B | 155 B Key insight: After draw(), SparkLine clears all data - session weight is ~0! Data is only needed during draw(), SVG elements retain the visualization. === Raw Weather Data Session Weight === For comparison: size of raw RawWeatherStationData objects... Raw records: 100 -> Serialized: 26.4 KB (271 bytes/record) Raw records: 1,000 -> Serialized: 259.4 KB (266 bytes/record) Raw records: 10,000 -> Serialized: 2.5 MB (265 bytes/record) Raw records: 50,000 -> Serialized: 12.6 MB (265 bytes/record) Raw records: 100,000 -> Serialized: 25.3 MB (265 bytes/record) Raw records: 500,000 -> Serialized: 126.4 MB (265 bytes/record) Raw records: 948,423 -> Serialized: 239.7 MB (265 bytes/record) === RDP Algorithm Point Reduction === Measuring how RDP reduces data points while preserving shape... Input Points | RDP Points | Reduction | Serialized Size -------------|------------|-----------|---------------- 100 | 40 | 60.0% | 997 B 1,000 | 132 | 86.8% | 3.0 KB 10,000 | 84 | 99.2% | 1.9 KB 49,871 | 94 | 99.8% | 2.1 KB 97,643 | 95 | 99.9% | 2.2 KB 944,282 | 187 | 100.0% | 4.1 KB RDP preserves shape-significant points, so reduction varies with data complexity. [INFO] Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 19.77 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 23, Failures: 0, Errors: 0, Skipped: 1 [INFO] [INFO] [INFO] --- jar:3.5.0:jar (default-jar) @ svg-visualizations --- [INFO] Building jar: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/target/svg-visualizations-1.0.1-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:15 min [INFO] Finished at: 2026-06-10T18:56:08Z [INFO] ------------------------------------------------------------------------