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-SNAPSHOT -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml 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: 3.117 s [INFO] Finished at: 2026-09-20T05:58:00Z [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 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-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.993 s [INFO] Finished at: 2026-09-20T05:58:08Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml -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: 2026-09-20T02:35:31.451241295Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 05:58:47.618 [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 | 5.66 ms | 5.34 ms | 4.05 ms 1,000 | 5.75 ms | 5.64 ms | 4.07 ms 10,000 | 26.66 ms | 7.97 ms | 12.71 ms 49,871 | 32.88 ms | 4.09 ms | 8.84 ms 97,643 | 67.29 ms | 13.53 ms | 25.10 ms 495,995 | 267.98 ms | 59.74 ms | 85.22 ms 944,282 | 469.73 ms | 118.36 ms | 149.94 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 | 470.8 µs | 1.59 ms | 2.06 ms 10,000 | 2.16 ms | 696.5 µs | 2.85 ms 50,000 | 12.34 ms | 1.90 ms | 14.24 ms 100,000 | 7.06 ms | 1.00 ms | 8.07 ms 500,000 | 18.35 ms | 606.4 µs | 18.96 ms 948,423 | 82.34 ms | 580.9 µs | 82.92 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 | 4.92 ms ( 0.8x) | 699.5 µs ( 0.8x) | 1.18 ms ( 1.9x) 2x | 19,996 | 16.60 ms ( 2.6x) | 2.55 ms ( 3.1x) | 4.75 ms ( 7.5x) 5x | 49,871 | 39.63 ms ( 6.1x) | 12.95 ms (15.5x) | 4.29 ms ( 6.8x) 10x | 97,643 | 47.66 ms ( 7.4x) | 4.93 ms ( 5.9x) | 10.15 ms (16.1x) 20x | 196,569 | 80.73 ms (12.5x) | 12.27 ms (14.7x) | 12.84 ms (20.4x) 50x | 495,995 | 312.26 ms (48.4x) | 43.28 ms (51.8x) | 29.13 ms (46.3x) 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 | 140.9 µs | 5 | 908.7 µs 10,000 | 5 | 624.5 µs | 5 | 2.20 ms 97,643 | 5 | 7.04 ms | 5 | 7.72 ms 495,995 | 5 | 49.92 ms | 5 | 50.67 ms 944,282 | 5 | 130.37 ms | 5 | 112.72 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 | 20.82 ms | 8.99 ms 2 | 8.09 ms | 13.70 ms 3 | 26.93 ms | 32.83 ms 5 | 22.12 ms | 66.85 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 5.66 ms (baseline: 2.29 ms, +147.2%) ⚠️ sparkline.movingAvg.100: 5.34 ms (baseline: 3.10 ms, +72.3%) ⚠️ sparkline.rdp.100: 4.05 ms (baseline: 1.99 ms, +104.1%) ✓ sparkline.none.1000: 5.75 ms (baseline: 7.34 ms, -21.6%) ⚠️ sparkline.movingAvg.1000: 5.64 ms (baseline: 1.80 ms, +212.9%) ⚠️ sparkline.rdp.1000: 4.07 ms (baseline: 1.87 ms, +118.0%) sparkline.none.10000: 26.66 ms (baseline: 22.28 ms, +19.7%) sparkline.movingAvg.10000: 7.97 ms (baseline: 7.56 ms, +5.4%) ⚠️ sparkline.rdp.10000: 12.71 ms (baseline: 3.80 ms, +234.5%) sparkline.none.50000: 32.88 ms (baseline: 32.02 ms, +2.7%) ⚠️ sparkline.movingAvg.50000: 4.09 ms (baseline: 2.71 ms, +51.0%) ✓ sparkline.rdp.50000: 8.84 ms (baseline: 12.66 ms, -30.2%) sparkline.none.100000: 67.29 ms (baseline: 66.17 ms, +1.7%) ⚠️ sparkline.movingAvg.100000: 13.53 ms (baseline: 5.85 ms, +131.1%) ✓ sparkline.rdp.100000: 25.10 ms (baseline: 62.22 ms, -59.7%) sparkline.none.500000: 267.98 ms (baseline: 280.31 ms, -4.4%) ⚠️ sparkline.movingAvg.500000: 59.74 ms (baseline: 39.32 ms, +51.9%) ⚠️ sparkline.rdp.500000: 85.22 ms (baseline: 47.46 ms, +79.6%) sparkline.none.948423: 469.73 ms (baseline: 423.33 ms, +11.0%) ✓ sparkline.movingAvg.948423: 118.36 ms (baseline: 170.36 ms, -30.5%) ⚠️ sparkline.rdp.948423: 149.94 ms (baseline: 96.01 ms, +56.2%) ✓ windrose.aggregation.1000: 470.8 µs (baseline: 4.31 ms, -89.1%) ✓ windrose.draw.1000: 1.59 ms (baseline: 2.13 ms, -25.7%) ✓ windrose.aggregation.10000: 2.16 ms (baseline: 6.80 ms, -68.3%) ✓ windrose.draw.10000: 696.5 µs (baseline: 1.14 ms, -38.9%) ✓ windrose.aggregation.50000: 12.34 ms (baseline: 39.37 ms, -68.7%) ⚠️ windrose.draw.50000: 1.90 ms (baseline: 1.49 ms, +27.7%) ⚠️ windrose.aggregation.100000: 7.06 ms (baseline: 5.83 ms, +21.2%) ⚠️ windrose.draw.100000: 1.00 ms (baseline: 594.1 µs, +69.0%) ✓ windrose.aggregation.500000: 18.35 ms (baseline: 30.55 ms, -39.9%) ✓ windrose.draw.500000: 606.4 µs (baseline: 686.5 µs, -11.7%) windrose.aggregation.948423: 82.34 ms (baseline: 69.88 ms, +17.8%) windrose.draw.948423: 580.9 µs (baseline: 614.8 µs, -5.5%) ✓ scaling.none.1x: 4.92 ms (baseline: 6.24 ms, -21.2%) ✓ scaling.movingAvg.1x: 699.5 µs (baseline: 2.56 ms, -72.6%) ✓ scaling.rdp.1x: 1.18 ms (baseline: 1.95 ms, -39.3%) ⚠️ scaling.none.2x: 16.60 ms (baseline: 8.65 ms, +92.0%) ✓ scaling.movingAvg.2x: 2.55 ms (baseline: 4.91 ms, -48.1%) ⚠️ scaling.rdp.2x: 4.75 ms (baseline: 2.33 ms, +104.2%) ⚠️ scaling.none.5x: 39.63 ms (baseline: 17.12 ms, +131.5%) ⚠️ scaling.movingAvg.5x: 12.95 ms (baseline: 2.98 ms, +334.9%) ⚠️ scaling.rdp.5x: 4.29 ms (baseline: 2.60 ms, +64.6%) scaling.none.10x: 47.66 ms (baseline: 42.61 ms, +11.8%) ✓ scaling.movingAvg.10x: 4.93 ms (baseline: 6.33 ms, -22.2%) ✓ scaling.rdp.10x: 10.15 ms (baseline: 22.06 ms, -54.0%) scaling.none.20x: 80.73 ms (baseline: 68.66 ms, +17.6%) scaling.movingAvg.20x: 12.27 ms (baseline: 12.16 ms, +0.9%) scaling.rdp.20x: 12.84 ms (baseline: 12.68 ms, +1.3%) ✓ scaling.none.50x: 312.26 ms (baseline: 365.70 ms, -14.6%) scaling.movingAvg.50x: 43.28 ms (baseline: 41.36 ms, +4.6%) ✓ scaling.rdp.50x: 29.13 ms (baseline: 59.50 ms, -51.0%) ⚠️ multiseries.movingAvg.1series: 20.82 ms (baseline: 10.20 ms, +104.2%) ⚠️ multiseries.rdp.1series: 8.99 ms (baseline: 6.03 ms, +49.0%) ✓ multiseries.movingAvg.2series: 8.09 ms (baseline: 12.96 ms, -37.6%) ✓ multiseries.rdp.2series: 13.70 ms (baseline: 22.03 ms, -37.8%) ⚠️ multiseries.movingAvg.3series: 26.93 ms (baseline: 14.22 ms, +89.4%) ⚠️ multiseries.rdp.3series: 32.83 ms (baseline: 24.35 ms, +34.9%) ✓ multiseries.movingAvg.5series: 22.12 ms (baseline: 26.25 ms, -15.7%) ⚠️ multiseries.rdp.5series: 66.85 ms (baseline: 45.77 ms, +46.1%) 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: 43.77 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: 0.033 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: 0.049 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: 19.59 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: 01:14 min [INFO] Finished at: 2026-09-20T05:59:34Z [INFO] ------------------------------------------------------------------------