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 0ac9d5f Upped versions and moved to browserless-test $ mvn versions:set-property -Dproperty=vaadin.version -DnewVersion=25.2.7 -DgenerateBackupPoms=false -B --no-transfer-progress java 25-tem is already installed. Using java version 25-tem in this shell. [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.1.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 98, 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 1.1.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- versions:2.22.0:set-property (default-cli) @ svg-visualizations --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.870 s [INFO] Finished at: 2026-09-14T11:15:39Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2.7 -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress java 25-tem is already installed. Using java version 25-tem in this shell. [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.1.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 98, 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 1.1.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- versions:2.22.0: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:1.1.1-SNAPSHOT -> 25.2.7 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.872 s [INFO] Finished at: 2026-09-14T11:15:46Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress -DskipPerformanceValidation=true java 25-tem is already installed. Using java version 25-tem in this shell. [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.1.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 98, 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 1.1.1-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:1.1.1-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 6.8.0-139-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-09-14T08:25:53.638523225Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 11:16:31.290 [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 | 3.22 ms | 2.83 ms | 4.12 ms 1,000 | 6.52 ms | 3.70 ms | 3.35 ms 10,000 | 24.15 ms | 3.26 ms | 11.92 ms 49,871 | 44.62 ms | 2.83 ms | 15.64 ms 97,643 | 61.90 ms | 14.18 ms | 19.61 ms 495,995 | 287.92 ms | 47.56 ms | 111.37 ms 944,282 | 576.33 ms | 134.32 ms | 137.07 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 | 471.1 µs | 1.63 ms | 2.10 ms 10,000 | 5.10 ms | 80.95 ms | 86.05 ms 50,000 | 8.62 ms | 717.9 µs | 9.34 ms 100,000 | 4.40 ms | 767.5 µs | 5.16 ms 500,000 | 35.90 ms | 619.8 µs | 36.52 ms 948,423 | 81.99 ms | 1.64 ms | 83.62 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 | 5.26 ms ( 0.6x) | 2.44 ms ( 2.5x) | 1.85 ms ( 2.8x) 2x | 19,996 | 15.74 ms ( 1.9x) | 2.93 ms ( 3.0x) | 2.26 ms ( 3.4x) 5x | 49,871 | 27.83 ms ( 3.3x) | 4.26 ms ( 4.3x) | 3.32 ms ( 5.0x) 10x | 97,643 | 56.36 ms ( 6.6x) | 11.98 ms (12.2x) | 4.78 ms ( 7.1x) 20x | 196,569 | 68.06 ms ( 8.0x) | 10.64 ms (10.8x) | 22.40 ms (33.4x) 50x | 495,995 | 301.47 ms (35.5x) | 57.69 ms (58.5x) | 47.06 ms (70.1x) 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 | 218.9 µs | 5 | 292.9 µs 10,000 | 5 | 985.2 µs | 5 | 977.8 µs 97,643 | 5 | 5.03 ms | 5 | 10.48 ms 495,995 | 5 | 79.26 ms | 5 | 37.44 ms 944,282 | 5 | 151.48 ms | 5 | 91.33 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 | 7.11 ms | 6.51 ms 2 | 14.68 ms | 24.77 ms 3 | 21.02 ms | 38.46 ms 5 | 24.92 ms | 56.69 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 3.22 ms (baseline: 3.79 ms, -15.0%) ✓ sparkline.movingAvg.100: 2.83 ms (baseline: 4.70 ms, -39.7%) ⚠️ sparkline.rdp.100: 4.12 ms (baseline: 2.86 ms, +44.2%) ⚠️ sparkline.none.1000: 6.52 ms (baseline: 4.60 ms, +41.7%) sparkline.movingAvg.1000: 3.70 ms (baseline: 3.66 ms, +1.1%) ⚠️ sparkline.rdp.1000: 3.35 ms (baseline: 2.15 ms, +55.7%) ✓ sparkline.none.10000: 24.15 ms (baseline: 32.27 ms, -25.1%) ✓ sparkline.movingAvg.10000: 3.26 ms (baseline: 11.79 ms, -72.3%) ⚠️ sparkline.rdp.10000: 11.92 ms (baseline: 8.41 ms, +41.7%) ⚠️ sparkline.none.50000: 44.62 ms (baseline: 27.46 ms, +62.5%) ✓ sparkline.movingAvg.50000: 2.83 ms (baseline: 5.82 ms, -51.5%) ⚠️ sparkline.rdp.50000: 15.64 ms (baseline: 10.32 ms, +51.5%) ✓ sparkline.none.100000: 61.90 ms (baseline: 69.38 ms, -10.8%) ⚠️ sparkline.movingAvg.100000: 14.18 ms (baseline: 7.94 ms, +78.7%) ⚠️ sparkline.rdp.100000: 19.61 ms (baseline: 10.60 ms, +85.0%) sparkline.none.500000: 287.92 ms (baseline: 293.75 ms, -2.0%) sparkline.movingAvg.500000: 47.56 ms (baseline: 50.49 ms, -5.8%) ⚠️ sparkline.rdp.500000: 111.37 ms (baseline: 57.94 ms, +92.2%) ⚠️ sparkline.none.948423: 576.33 ms (baseline: 457.23 ms, +26.0%) ⚠️ sparkline.movingAvg.948423: 134.32 ms (baseline: 99.46 ms, +35.0%) ⚠️ sparkline.rdp.948423: 137.07 ms (baseline: 89.07 ms, +53.9%) windrose.aggregation.1000: 471.1 µs (baseline: 423.6 µs, +11.2%) ⚠️ windrose.draw.1000: 1.63 ms (baseline: 576.0 µs, +182.6%) ⚠️ windrose.aggregation.10000: 5.10 ms (baseline: 1.58 ms, +222.6%) ⚠️ windrose.draw.10000: 80.95 ms (baseline: 1.95 ms, +4051.9%) ✓ windrose.aggregation.50000: 8.62 ms (baseline: 23.01 ms, -62.5%) ✓ windrose.draw.50000: 717.9 µs (baseline: 1.27 ms, -43.3%) ✓ windrose.aggregation.100000: 4.40 ms (baseline: 7.68 ms, -42.7%) windrose.draw.100000: 767.5 µs (baseline: 680.8 µs, +12.7%) windrose.aggregation.500000: 35.90 ms (baseline: 32.47 ms, +10.5%) ✓ windrose.draw.500000: 619.8 µs (baseline: 2.08 ms, -70.2%) ⚠️ windrose.aggregation.948423: 81.99 ms (baseline: 63.37 ms, +29.4%) ⚠️ windrose.draw.948423: 1.64 ms (baseline: 796.5 µs, +105.4%) ✓ scaling.none.1x: 5.26 ms (baseline: 6.79 ms, -22.5%) ⚠️ scaling.movingAvg.1x: 2.44 ms (baseline: 595.0 µs, +309.5%) ⚠️ scaling.rdp.1x: 1.85 ms (baseline: 957.4 µs, +93.2%) ⚠️ scaling.none.2x: 15.74 ms (baseline: 7.54 ms, +108.8%) ⚠️ scaling.movingAvg.2x: 2.93 ms (baseline: 2.02 ms, +45.4%) ⚠️ scaling.rdp.2x: 2.26 ms (baseline: 1.16 ms, +94.6%) scaling.none.5x: 27.83 ms (baseline: 23.38 ms, +19.0%) ⚠️ scaling.movingAvg.5x: 4.26 ms (baseline: 2.40 ms, +77.5%) ⚠️ scaling.rdp.5x: 3.32 ms (baseline: 2.56 ms, +29.9%) ⚠️ scaling.none.10x: 56.36 ms (baseline: 37.24 ms, +51.3%) ⚠️ scaling.movingAvg.10x: 11.98 ms (baseline: 4.81 ms, +149.4%) scaling.rdp.10x: 4.78 ms (baseline: 4.59 ms, +4.1%) ✓ scaling.none.20x: 68.06 ms (baseline: 82.55 ms, -17.5%) scaling.movingAvg.20x: 10.64 ms (baseline: 11.72 ms, -9.2%) ⚠️ scaling.rdp.20x: 22.40 ms (baseline: 10.70 ms, +109.4%) ⚠️ scaling.none.50x: 301.47 ms (baseline: 233.17 ms, +29.3%) ⚠️ scaling.movingAvg.50x: 57.69 ms (baseline: 35.24 ms, +63.7%) ✓ scaling.rdp.50x: 47.06 ms (baseline: 127.19 ms, -63.0%) ✓ multiseries.movingAvg.1series: 7.11 ms (baseline: 13.19 ms, -46.1%) ✓ multiseries.rdp.1series: 6.51 ms (baseline: 14.44 ms, -54.9%) ⚠️ multiseries.movingAvg.2series: 14.68 ms (baseline: 9.53 ms, +54.1%) ⚠️ multiseries.rdp.2series: 24.77 ms (baseline: 13.92 ms, +78.0%) ✓ multiseries.movingAvg.3series: 21.02 ms (baseline: 25.21 ms, -16.6%) ⚠️ multiseries.rdp.3series: 38.46 ms (baseline: 26.67 ms, +44.2%) ✓ multiseries.movingAvg.5series: 24.92 ms (baseline: 36.63 ms, -32.0%) multiseries.rdp.5series: 56.69 ms (baseline: 60.89 ms, -6.9%) 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: 48.80 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: 0.057 s -- in org.vaadin.svgvis.unit.WindRoseTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineTest [INFO] Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.113 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: 22.75 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 24, 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-1.1.1-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:25 min [INFO] Finished at: 2026-09-14T11:17:24Z [INFO] ------------------------------------------------------------------------