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=25.1.3 -DgenerateBackupPoms=false -B --no-transfer-progress [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: 1.484 s [INFO] Finished at: 2026-04-27T06:53:37Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1.3 -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress [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 -> 25.1.3 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1.263 s [INFO] Finished at: 2026-04-27T06:53:40Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress -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 6.8.0-110-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-04-27T05:18:55.162777597Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:54:04.006 [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 | 1.47 ms | 2.45 ms | 2.03 ms 1,000 | 3.24 ms | 2.29 ms | 1.52 ms 10,000 | 18.17 ms | 1.50 ms | 10.10 ms 49,871 | 23.83 ms | 2.88 ms | 27.78 ms 97,643 | 43.87 ms | 7.18 ms | 6.13 ms 495,995 | 263.16 ms | 30.11 ms | 18.44 ms 944,282 | 422.08 ms | 86.80 ms | 79.27 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 | 495.4 µs | 930.4 µs | 1.43 ms 10,000 | 1.49 ms | 765.6 µs | 2.26 ms 50,000 | 9.66 ms | 1.33 ms | 10.99 ms 100,000 | 5.25 ms | 721.8 µs | 5.97 ms 500,000 | 19.59 ms | 599.0 µs | 20.19 ms 948,423 | 37.73 ms | 1.12 ms | 38.85 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 | 5.50 ms ( 0.6x) | 1.08 ms ( 0.7x) | 655.1 µs ( 1.1x) 2x | 19,996 | 9.60 ms ( 1.1x) | 1.14 ms ( 0.7x) | 806.1 µs ( 1.4x) 5x | 49,871 | 19.24 ms ( 2.2x) | 2.36 ms ( 1.5x) | 1.69 ms ( 2.9x) 10x | 97,643 | 40.60 ms ( 4.7x) | 5.07 ms ( 3.2x) | 3.24 ms ( 5.6x) 20x | 196,569 | 83.63 ms ( 9.8x) | 8.83 ms ( 5.6x) | 6.73 ms (11.7x) 50x | 495,995 | 208.90 ms (24.4x) | 29.25 ms (18.6x) | 37.59 ms (65.2x) 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 | 155.3 µs | 5 | 214.2 µs 10,000 | 5 | 639.4 µs | 5 | 551.1 µs 97,643 | 5 | 4.67 ms | 5 | 3.20 ms 495,995 | 5 | 27.03 ms | 5 | 26.48 ms 944,282 | 5 | 80.94 ms | 5 | 36.09 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 | 4.49 ms | 3.06 ms 2 | 8.98 ms | 9.44 ms 3 | 14.00 ms | 13.31 ms 5 | 24.67 ms | 25.53 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.47 ms (baseline: 2.51 ms, -41.2%) sparkline.movingAvg.100: 2.45 ms (baseline: 2.13 ms, +15.1%) ✓ sparkline.rdp.100: 2.03 ms (baseline: 2.64 ms, -23.1%) ✓ sparkline.none.1000: 3.24 ms (baseline: 4.17 ms, -22.3%) ⚠️ sparkline.movingAvg.1000: 2.29 ms (baseline: 1.62 ms, +41.3%) ✓ sparkline.rdp.1000: 1.52 ms (baseline: 1.82 ms, -16.4%) sparkline.none.10000: 18.17 ms (baseline: 19.30 ms, -5.9%) ✓ sparkline.movingAvg.10000: 1.50 ms (baseline: 2.50 ms, -39.7%) ⚠️ sparkline.rdp.10000: 10.10 ms (baseline: 4.01 ms, +152.1%) ✓ sparkline.none.50000: 23.83 ms (baseline: 33.01 ms, -27.8%) ✓ sparkline.movingAvg.50000: 2.88 ms (baseline: 4.15 ms, -30.6%) ✓ sparkline.rdp.50000: 27.78 ms (baseline: 35.06 ms, -20.8%) ✓ sparkline.none.100000: 43.87 ms (baseline: 49.47 ms, -11.3%) ✓ sparkline.movingAvg.100000: 7.18 ms (baseline: 9.04 ms, -20.6%) sparkline.rdp.100000: 6.13 ms (baseline: 5.49 ms, +11.7%) ⚠️ sparkline.none.500000: 263.16 ms (baseline: 219.10 ms, +20.1%) sparkline.movingAvg.500000: 30.11 ms (baseline: 27.64 ms, +8.9%) sparkline.rdp.500000: 18.44 ms (baseline: 17.86 ms, +3.3%) sparkline.none.948423: 422.08 ms (baseline: 417.76 ms, +1.0%) sparkline.movingAvg.948423: 86.80 ms (baseline: 85.50 ms, +1.5%) ⚠️ sparkline.rdp.948423: 79.27 ms (baseline: 41.35 ms, +91.7%) ✓ windrose.aggregation.1000: 495.4 µs (baseline: 623.1 µs, -20.5%) ✓ windrose.draw.1000: 930.4 µs (baseline: 1.59 ms, -41.3%) ✓ windrose.aggregation.10000: 1.49 ms (baseline: 2.21 ms, -32.5%) ✓ windrose.draw.10000: 765.6 µs (baseline: 1.98 ms, -61.3%) ⚠️ windrose.aggregation.50000: 9.66 ms (baseline: 7.81 ms, +23.7%) ⚠️ windrose.draw.50000: 1.33 ms (baseline: 598.3 µs, +122.1%) ⚠️ windrose.aggregation.100000: 5.25 ms (baseline: 4.07 ms, +29.1%) ⚠️ windrose.draw.100000: 721.8 µs (baseline: 568.6 µs, +26.9%) windrose.aggregation.500000: 19.59 ms (baseline: 18.86 ms, +3.9%) windrose.draw.500000: 599.0 µs (baseline: 546.3 µs, +9.6%) windrose.aggregation.948423: 37.73 ms (baseline: 35.20 ms, +7.2%) ⚠️ windrose.draw.948423: 1.12 ms (baseline: 567.8 µs, +97.9%) ✓ scaling.none.1x: 5.50 ms (baseline: 6.56 ms, -16.2%) ⚠️ scaling.movingAvg.1x: 1.08 ms (baseline: 685.6 µs, +57.3%) ⚠️ scaling.rdp.1x: 655.1 µs (baseline: 539.1 µs, +21.5%) scaling.none.2x: 9.60 ms (baseline: 8.77 ms, +9.5%) ✓ scaling.movingAvg.2x: 1.14 ms (baseline: 1.34 ms, -14.5%) scaling.rdp.2x: 806.1 µs (baseline: 850.7 µs, -5.2%) scaling.none.5x: 19.24 ms (baseline: 20.99 ms, -8.3%) ✓ scaling.movingAvg.5x: 2.36 ms (baseline: 2.77 ms, -14.9%) ✓ scaling.rdp.5x: 1.69 ms (baseline: 1.99 ms, -15.0%) scaling.none.10x: 40.60 ms (baseline: 37.10 ms, +9.4%) scaling.movingAvg.10x: 5.07 ms (baseline: 4.60 ms, +10.3%) scaling.rdp.10x: 3.24 ms (baseline: 3.10 ms, +4.4%) scaling.none.20x: 83.63 ms (baseline: 90.20 ms, -7.3%) scaling.movingAvg.20x: 8.83 ms (baseline: 9.63 ms, -8.3%) ✓ scaling.rdp.20x: 6.73 ms (baseline: 8.59 ms, -21.6%) scaling.none.50x: 208.90 ms (baseline: 220.85 ms, -5.4%) scaling.movingAvg.50x: 29.25 ms (baseline: 31.15 ms, -6.1%) ✓ scaling.rdp.50x: 37.59 ms (baseline: 51.15 ms, -26.5%) ✓ multiseries.movingAvg.1series: 4.49 ms (baseline: 5.07 ms, -11.5%) multiseries.rdp.1series: 3.06 ms (baseline: 3.09 ms, -1.0%) multiseries.movingAvg.2series: 8.98 ms (baseline: 9.89 ms, -9.2%) multiseries.rdp.2series: 9.44 ms (baseline: 9.41 ms, +0.4%) ✓ multiseries.movingAvg.3series: 14.00 ms (baseline: 16.54 ms, -15.4%) multiseries.rdp.3series: 13.31 ms (baseline: 13.60 ms, -2.1%) ✓ multiseries.movingAvg.5series: 24.67 ms (baseline: 29.51 ms, -16.4%) ✓ multiseries.rdp.5series: 25.53 ms (baseline: 28.38 ms, -10.0%) 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: 29.37 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: 0.009 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: 0.011 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: 12.51 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: 48.318 s [INFO] Finished at: 2026-04-27T06:54:33Z [INFO] ------------------------------------------------------------------------