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=25.1.7 -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: 2.317 s [INFO] Finished at: 2026-06-14T07:34:20Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1.7 -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 -> 25.1.7 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.322 s [INFO] Finished at: 2026-06-14T07:34:25Z [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 6.8.0-124-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-06-14T05:46:58.015290305Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:34:57.420 [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 | 2.02 ms | 1.49 ms | 1.22 ms 1,000 | 6.11 ms | 2.67 ms | 4.69 ms 10,000 | 25.88 ms | 5.57 ms | 20.57 ms 49,871 | 35.73 ms | 4.13 ms | 81.78 ms 97,643 | 70.18 ms | 11.40 ms | 4.69 ms 495,995 | 359.60 ms | 89.39 ms | 29.67 ms 944,282 | 645.82 ms | 130.56 ms | 59.39 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 | 463.8 µs | 1.80 ms | 2.27 ms 10,000 | 1.48 ms | 2.27 ms | 3.75 ms 50,000 | 14.21 ms | 2.58 ms | 16.79 ms 100,000 | 12.31 ms | 1.33 ms | 13.64 ms 500,000 | 54.90 ms | 2.55 ms | 57.45 ms 948,423 | 62.07 ms | 1.60 ms | 63.67 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 | 7.46 ms ( 0.5x) | 1.43 ms ( 0.7x) | 990.3 µs ( 1.0x) 2x | 19,996 | 20.68 ms ( 1.4x) | 2.43 ms ( 1.2x) | 891.1 µs ( 0.9x) 5x | 49,871 | 27.81 ms ( 1.9x) | 3.96 ms ( 1.9x) | 1.93 ms ( 1.9x) 10x | 97,643 | 60.97 ms ( 4.1x) | 12.63 ms ( 6.2x) | 9.05 ms ( 8.7x) 20x | 196,569 | 108.29 ms ( 7.3x) | 12.87 ms ( 6.3x) | 7.94 ms ( 7.7x) 50x | 495,995 | 329.95 ms (22.3x) | 41.17 ms (20.2x) | 26.64 ms (25.7x) 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 | 271.0 µs | 5 | 1.14 ms 10,000 | 5 | 1.00 ms | 5 | 1.30 ms 97,643 | 5 | 7.55 ms | 5 | 3.46 ms 495,995 | 5 | 53.10 ms | 5 | 50.55 ms 944,282 | 5 | 126.93 ms | 5 | 88.30 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 | 15.22 ms | 5.60 ms 2 | 18.55 ms | 20.74 ms 3 | 13.31 ms | 15.80 ms 5 | 30.87 ms | 27.83 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.02 ms (baseline: 2.70 ms, -25.3%) ✓ sparkline.movingAvg.100: 1.49 ms (baseline: 4.41 ms, -66.3%) ✓ sparkline.rdp.100: 1.22 ms (baseline: 2.65 ms, -54.2%) ⚠️ sparkline.none.1000: 6.11 ms (baseline: 3.87 ms, +57.8%) ⚠️ sparkline.movingAvg.1000: 2.67 ms (baseline: 1.92 ms, +38.7%) ⚠️ sparkline.rdp.1000: 4.69 ms (baseline: 2.38 ms, +96.7%) ⚠️ sparkline.none.10000: 25.88 ms (baseline: 18.56 ms, +39.5%) ⚠️ sparkline.movingAvg.10000: 5.57 ms (baseline: 2.92 ms, +90.6%) ⚠️ sparkline.rdp.10000: 20.57 ms (baseline: 8.26 ms, +149.0%) sparkline.none.50000: 35.73 ms (baseline: 31.80 ms, +12.3%) ✓ sparkline.movingAvg.50000: 4.13 ms (baseline: 6.70 ms, -38.3%) ⚠️ sparkline.rdp.50000: 81.78 ms (baseline: 57.56 ms, +42.1%) ✓ sparkline.none.100000: 70.18 ms (baseline: 96.22 ms, -27.1%) ✓ sparkline.movingAvg.100000: 11.40 ms (baseline: 15.64 ms, -27.1%) ✓ sparkline.rdp.100000: 4.69 ms (baseline: 7.53 ms, -37.8%) sparkline.none.500000: 359.60 ms (baseline: 366.22 ms, -1.8%) ⚠️ sparkline.movingAvg.500000: 89.39 ms (baseline: 49.12 ms, +82.0%) ✓ sparkline.rdp.500000: 29.67 ms (baseline: 58.19 ms, -49.0%) sparkline.none.948423: 645.82 ms (baseline: 641.91 ms, +0.6%) sparkline.movingAvg.948423: 130.56 ms (baseline: 117.27 ms, +11.3%) ✓ sparkline.rdp.948423: 59.39 ms (baseline: 88.91 ms, -33.2%) windrose.aggregation.1000: 463.8 µs (baseline: 455.7 µs, +1.8%) ✓ windrose.draw.1000: 1.80 ms (baseline: 2.04 ms, -11.7%) ✓ windrose.aggregation.10000: 1.48 ms (baseline: 8.91 ms, -83.4%) ⚠️ windrose.draw.10000: 2.27 ms (baseline: 1.58 ms, +43.8%) ⚠️ windrose.aggregation.50000: 14.21 ms (baseline: 7.64 ms, +85.9%) ⚠️ windrose.draw.50000: 2.58 ms (baseline: 1.17 ms, +119.8%) ✓ windrose.aggregation.100000: 12.31 ms (baseline: 33.30 ms, -63.0%) ⚠️ windrose.draw.100000: 1.33 ms (baseline: 758.3 µs, +75.7%) ⚠️ windrose.aggregation.500000: 54.90 ms (baseline: 31.86 ms, +72.3%) ⚠️ windrose.draw.500000: 2.55 ms (baseline: 665.1 µs, +282.7%) windrose.aggregation.948423: 62.07 ms (baseline: 55.61 ms, +11.6%) ✓ windrose.draw.948423: 1.60 ms (baseline: 15.75 ms, -89.8%) ✓ scaling.none.1x: 7.46 ms (baseline: 10.92 ms, -31.7%) ⚠️ scaling.movingAvg.1x: 1.43 ms (baseline: 674.2 µs, +111.8%) ⚠️ scaling.rdp.1x: 990.3 µs (baseline: 557.8 µs, +77.5%) scaling.none.2x: 20.68 ms (baseline: 22.10 ms, -6.4%) ⚠️ scaling.movingAvg.2x: 2.43 ms (baseline: 1.93 ms, +26.2%) scaling.rdp.2x: 891.1 µs (baseline: 930.8 µs, -4.3%) ✓ scaling.none.5x: 27.81 ms (baseline: 40.99 ms, -32.2%) ✓ scaling.movingAvg.5x: 3.96 ms (baseline: 6.45 ms, -38.6%) ✓ scaling.rdp.5x: 1.93 ms (baseline: 3.47 ms, -44.4%) ⚠️ scaling.none.10x: 60.97 ms (baseline: 45.77 ms, +33.2%) ⚠️ scaling.movingAvg.10x: 12.63 ms (baseline: 7.07 ms, +78.5%) scaling.rdp.10x: 9.05 ms (baseline: 8.73 ms, +3.6%) scaling.none.20x: 108.29 ms (baseline: 101.38 ms, +6.8%) ⚠️ scaling.movingAvg.20x: 12.87 ms (baseline: 8.46 ms, +52.2%) ✓ scaling.rdp.20x: 7.94 ms (baseline: 11.60 ms, -31.5%) scaling.none.50x: 329.95 ms (baseline: 322.59 ms, +2.3%) ⚠️ scaling.movingAvg.50x: 41.17 ms (baseline: 25.94 ms, +58.7%) scaling.rdp.50x: 26.64 ms (baseline: 27.78 ms, -4.1%) ⚠️ multiseries.movingAvg.1series: 15.22 ms (baseline: 9.01 ms, +68.9%) ⚠️ multiseries.rdp.1series: 5.60 ms (baseline: 4.41 ms, +26.9%) ⚠️ multiseries.movingAvg.2series: 18.55 ms (baseline: 9.22 ms, +101.1%) multiseries.rdp.2series: 20.74 ms (baseline: 18.12 ms, +14.5%) ✓ multiseries.movingAvg.3series: 13.31 ms (baseline: 16.66 ms, -20.1%) multiseries.rdp.3series: 15.80 ms (baseline: 14.94 ms, +5.7%) ⚠️ multiseries.movingAvg.5series: 30.87 ms (baseline: 23.14 ms, +33.4%) ✓ multiseries.rdp.5series: 27.83 ms (baseline: 39.05 ms, -28.7%) 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: 42.11 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: 0.016 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: 20.74 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: 01:12 min [INFO] Finished at: 2026-06-14T07:35:46Z [INFO] ------------------------------------------------------------------------