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:2.21.0:set-property (default-cli) @ svg-visualizations --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.385 s [INFO] Finished at: 2026-09-08T10:19:11Z [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:2.21.0: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:1.1.1-SNAPSHOT -> 25.2.7 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.470 s [INFO] Finished at: 2026-09-08T10:19:18Z [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: 2026-09-08T07:44:07.780163611Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 10:19:57.907 [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 | 3.77 ms | 4.69 ms | 2.73 ms 1,000 | 6.07 ms | 2.66 ms | 5.59 ms 10,000 | 17.56 ms | 6.81 ms | 12.34 ms 49,871 | 25.20 ms | 13.44 ms | 76.82 ms 97,643 | 78.39 ms | 9.63 ms | 19.19 ms 495,995 | 301.60 ms | 43.71 ms | 34.44 ms 944,282 | 514.95 ms | 157.16 ms | 132.47 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 | 567.9 µs | 1.30 ms | 1.86 ms 10,000 | 7.85 ms | 2.28 ms | 10.13 ms 50,000 | 32.11 ms | 597.4 µs | 32.71 ms 100,000 | 7.30 ms | 2.67 ms | 9.96 ms 500,000 | 73.81 ms | 1.12 ms | 74.93 ms 948,423 | 138.37 ms | 548.8 µs | 138.92 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 | 4.35 ms ( 1.1x) | 814.9 µs ( 1.2x) | 601.5 µs ( 1.0x) 2x | 19,996 | 7.52 ms ( 2.0x) | 1.23 ms ( 1.8x) | 1.04 ms ( 1.7x) 5x | 49,871 | 28.61 ms ( 7.5x) | 2.88 ms ( 4.3x) | 4.89 ms ( 8.0x) 10x | 97,643 | 47.58 ms (12.5x) | 13.17 ms (19.7x) | 8.69 ms (14.2x) 20x | 196,569 | 90.85 ms (23.9x) | 16.86 ms (25.2x) | 12.35 ms (20.2x) 50x | 495,995 | 234.74 ms (61.7x) | 56.15 ms (83.8x) | 30.84 ms (50.5x) 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 | 202.5 µs | 5 | 232.6 µs 10,000 | 5 | 730.8 µs | 5 | 763.3 µs 97,643 | 5 | 5.13 ms | 5 | 4.89 ms 495,995 | 5 | 99.34 ms | 5 | 37.02 ms 944,282 | 5 | 145.83 ms | 5 | 96.22 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 | 5.61 ms | 7.22 ms 2 | 9.41 ms | 28.53 ms 3 | 21.34 ms | 23.18 ms 5 | 34.20 ms | 50.63 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.77 ms (baseline: 1.91 ms, +97.6%) ⚠️ sparkline.movingAvg.100: 4.69 ms (baseline: 1.55 ms, +203.7%) ⚠️ sparkline.rdp.100: 2.73 ms (baseline: 823.8 µs, +231.1%) ⚠️ sparkline.none.1000: 6.07 ms (baseline: 2.70 ms, +125.0%) ⚠️ sparkline.movingAvg.1000: 2.66 ms (baseline: 1.27 ms, +108.6%) ⚠️ sparkline.rdp.1000: 5.59 ms (baseline: 1.28 ms, +337.2%) ⚠️ sparkline.none.10000: 17.56 ms (baseline: 12.20 ms, +44.0%) ⚠️ sparkline.movingAvg.10000: 6.81 ms (baseline: 3.17 ms, +115.0%) ⚠️ sparkline.rdp.10000: 12.34 ms (baseline: 4.88 ms, +152.5%) sparkline.none.50000: 25.20 ms (baseline: 23.58 ms, +6.9%) ⚠️ sparkline.movingAvg.50000: 13.44 ms (baseline: 3.08 ms, +336.3%) ⚠️ sparkline.rdp.50000: 76.82 ms (baseline: 51.28 ms, +49.8%) ⚠️ sparkline.none.100000: 78.39 ms (baseline: 49.88 ms, +57.2%) ⚠️ sparkline.movingAvg.100000: 9.63 ms (baseline: 7.90 ms, +21.8%) ⚠️ sparkline.rdp.100000: 19.19 ms (baseline: 7.33 ms, +161.9%) ⚠️ sparkline.none.500000: 301.60 ms (baseline: 195.67 ms, +54.1%) ⚠️ sparkline.movingAvg.500000: 43.71 ms (baseline: 34.60 ms, +26.3%) ⚠️ sparkline.rdp.500000: 34.44 ms (baseline: 23.89 ms, +44.1%) ⚠️ sparkline.none.948423: 514.95 ms (baseline: 396.76 ms, +29.8%) ⚠️ sparkline.movingAvg.948423: 157.16 ms (baseline: 110.39 ms, +42.4%) ⚠️ sparkline.rdp.948423: 132.47 ms (baseline: 65.68 ms, +101.7%) ✓ windrose.aggregation.1000: 567.9 µs (baseline: 1.92 ms, -70.5%) ⚠️ windrose.draw.1000: 1.30 ms (baseline: 1.03 ms, +26.1%) ⚠️ windrose.aggregation.10000: 7.85 ms (baseline: 3.05 ms, +157.5%) ⚠️ windrose.draw.10000: 2.28 ms (baseline: 841.3 µs, +171.0%) ⚠️ windrose.aggregation.50000: 32.11 ms (baseline: 12.96 ms, +147.8%) ✓ windrose.draw.50000: 597.4 µs (baseline: 1.85 ms, -67.7%) windrose.aggregation.100000: 7.30 ms (baseline: 7.98 ms, -8.5%) ⚠️ windrose.draw.100000: 2.67 ms (baseline: 1.41 ms, +89.6%) ⚠️ windrose.aggregation.500000: 73.81 ms (baseline: 51.60 ms, +43.1%) ⚠️ windrose.draw.500000: 1.12 ms (baseline: 791.6 µs, +41.3%) ⚠️ windrose.aggregation.948423: 138.37 ms (baseline: 70.89 ms, +95.2%) ✓ windrose.draw.948423: 548.8 µs (baseline: 1.20 ms, -54.5%) scaling.none.1x: 4.35 ms (baseline: 4.75 ms, -8.4%) ⚠️ scaling.movingAvg.1x: 814.9 µs (baseline: 585.2 µs, +39.3%) ✓ scaling.rdp.1x: 601.5 µs (baseline: 973.6 µs, -38.2%) scaling.none.2x: 7.52 ms (baseline: 7.87 ms, -4.4%) ✓ scaling.movingAvg.2x: 1.23 ms (baseline: 4.22 ms, -70.9%) ✓ scaling.rdp.2x: 1.04 ms (baseline: 1.84 ms, -43.4%) ⚠️ scaling.none.5x: 28.61 ms (baseline: 18.04 ms, +58.6%) scaling.movingAvg.5x: 2.88 ms (baseline: 2.55 ms, +13.0%) ⚠️ scaling.rdp.5x: 4.89 ms (baseline: 2.22 ms, +120.4%) ⚠️ scaling.none.10x: 47.58 ms (baseline: 33.87 ms, +40.5%) ⚠️ scaling.movingAvg.10x: 13.17 ms (baseline: 4.74 ms, +177.9%) ⚠️ scaling.rdp.10x: 8.69 ms (baseline: 4.04 ms, +115.1%) scaling.none.20x: 90.85 ms (baseline: 80.18 ms, +13.3%) ⚠️ scaling.movingAvg.20x: 16.86 ms (baseline: 8.79 ms, +91.7%) ⚠️ scaling.rdp.20x: 12.35 ms (baseline: 9.70 ms, +27.4%) ⚠️ scaling.none.50x: 234.74 ms (baseline: 172.63 ms, +36.0%) ⚠️ scaling.movingAvg.50x: 56.15 ms (baseline: 31.20 ms, +80.0%) scaling.rdp.50x: 30.84 ms (baseline: 26.04 ms, +18.4%) multiseries.movingAvg.1series: 5.61 ms (baseline: 5.68 ms, -1.1%) ⚠️ multiseries.rdp.1series: 7.22 ms (baseline: 4.08 ms, +77.0%) multiseries.movingAvg.2series: 9.41 ms (baseline: 8.70 ms, +8.1%) ⚠️ multiseries.rdp.2series: 28.53 ms (baseline: 11.49 ms, +148.3%) ⚠️ multiseries.movingAvg.3series: 21.34 ms (baseline: 13.58 ms, +57.1%) ⚠️ multiseries.rdp.3series: 23.18 ms (baseline: 17.29 ms, +34.0%) ⚠️ multiseries.movingAvg.5series: 34.20 ms (baseline: 21.31 ms, +60.5%) ⚠️ multiseries.rdp.5series: 50.63 ms (baseline: 31.22 ms, +62.2%) 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: 45.11 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: 0.016 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: 0.018 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: 19.33 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: 01:15 min [INFO] Finished at: 2026-09-08T10:20:45Z [INFO] ------------------------------------------------------------------------