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: 2.947 s [INFO] Finished at: 2026-09-22T21:57:52Z [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: 2.668 s [INFO] Finished at: 2026-09-22T21:57:59Z [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: 2026-09-22T18:33:52.954635094Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 21:58:42.231 [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 | 1.27 ms | 3.36 ms | 3.61 ms 1,000 | 12.01 ms | 4.21 ms | 4.66 ms 10,000 | 19.42 ms | 3.88 ms | 9.04 ms 49,871 | 30.59 ms | 11.69 ms | 15.39 ms 97,643 | 35.08 ms | 4.62 ms | 59.59 ms 495,995 | 267.09 ms | 47.26 ms | 50.85 ms 944,282 | 471.78 ms | 130.15 ms | 85.06 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 | 5.00 ms | 2.20 ms | 7.20 ms 10,000 | 4.43 ms | 1.28 ms | 5.71 ms 50,000 | 33.88 ms | 1.83 ms | 35.71 ms 100,000 | 6.97 ms | 1.94 ms | 8.91 ms 500,000 | 40.58 ms | 2.13 ms | 42.71 ms 948,423 | 79.73 ms | 644.4 µs | 80.37 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 | 7.81 ms ( 1.2x) | 1.12 ms ( 1.9x) | 626.9 µs ( 0.5x) 2x | 19,996 | 8.05 ms ( 1.2x) | 1.22 ms ( 2.1x) | 1.18 ms ( 0.9x) 5x | 49,871 | 25.79 ms ( 3.8x) | 3.22 ms ( 5.5x) | 3.76 ms ( 2.8x) 10x | 97,643 | 51.24 ms ( 7.6x) | 8.15 ms (13.8x) | 4.83 ms ( 3.5x) 20x | 196,569 | 112.38 ms (16.7x) | 14.60 ms (24.7x) | 25.82 ms (18.9x) 50x | 495,995 | 243.57 ms (36.1x) | 31.39 ms (53.2x) | 56.96 ms (41.6x) 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 | 157.5 µs | 5 | 227.6 µs 10,000 | 5 | 2.09 ms | 5 | 1.84 ms 97,643 | 5 | 14.28 ms | 5 | 4.84 ms 495,995 | 5 | 69.49 ms | 5 | 34.50 ms 944,282 | 5 | 152.82 ms | 5 | 115.23 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 | 6.68 ms | 8.29 ms 2 | 16.92 ms | 17.60 ms 3 | 20.39 ms | 24.10 ms 5 | 26.28 ms | 53.54 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.27 ms (baseline: 5.95 ms, -78.6%) ✓ sparkline.movingAvg.100: 3.36 ms (baseline: 4.00 ms, -16.1%) sparkline.rdp.100: 3.61 ms (baseline: 3.92 ms, -7.9%) ⚠️ sparkline.none.1000: 12.01 ms (baseline: 7.02 ms, +70.9%) ⚠️ sparkline.movingAvg.1000: 4.21 ms (baseline: 3.35 ms, +25.6%) ✓ sparkline.rdp.1000: 4.66 ms (baseline: 5.84 ms, -20.1%) sparkline.none.10000: 19.42 ms (baseline: 18.61 ms, +4.3%) ✓ sparkline.movingAvg.10000: 3.88 ms (baseline: 4.47 ms, -13.2%) ⚠️ sparkline.rdp.10000: 9.04 ms (baseline: 4.28 ms, +111.3%) ✓ sparkline.none.50000: 30.59 ms (baseline: 36.78 ms, -16.8%) ⚠️ sparkline.movingAvg.50000: 11.69 ms (baseline: 3.30 ms, +254.6%) ✓ sparkline.rdp.50000: 15.39 ms (baseline: 67.21 ms, -77.1%) ✓ sparkline.none.100000: 35.08 ms (baseline: 71.96 ms, -51.2%) ✓ sparkline.movingAvg.100000: 4.62 ms (baseline: 11.03 ms, -58.1%) ⚠️ sparkline.rdp.100000: 59.59 ms (baseline: 8.11 ms, +634.9%) sparkline.none.500000: 267.09 ms (baseline: 274.72 ms, -2.8%) ✓ sparkline.movingAvg.500000: 47.26 ms (baseline: 69.52 ms, -32.0%) ✓ sparkline.rdp.500000: 50.85 ms (baseline: 79.01 ms, -35.6%) ✓ sparkline.none.948423: 471.78 ms (baseline: 575.07 ms, -18.0%) sparkline.movingAvg.948423: 130.15 ms (baseline: 127.07 ms, +2.4%) ✓ sparkline.rdp.948423: 85.06 ms (baseline: 109.47 ms, -22.3%) ⚠️ windrose.aggregation.1000: 5.00 ms (baseline: 479.8 µs, +942.8%) ✓ windrose.draw.1000: 2.20 ms (baseline: 6.03 ms, -63.6%) ✓ windrose.aggregation.10000: 4.43 ms (baseline: 9.35 ms, -52.6%) windrose.draw.10000: 1.28 ms (baseline: 1.39 ms, -7.5%) ⚠️ windrose.aggregation.50000: 33.88 ms (baseline: 23.16 ms, +46.3%) ⚠️ windrose.draw.50000: 1.83 ms (baseline: 1.10 ms, +66.7%) ✓ windrose.aggregation.100000: 6.97 ms (baseline: 13.56 ms, -48.6%) windrose.draw.100000: 1.94 ms (baseline: 2.07 ms, -6.2%) ✓ windrose.aggregation.500000: 40.58 ms (baseline: 53.28 ms, -23.8%) ⚠️ windrose.draw.500000: 2.13 ms (baseline: 620.7 µs, +243.0%) ⚠️ windrose.aggregation.948423: 79.73 ms (baseline: 39.16 ms, +103.6%) windrose.draw.948423: 644.4 µs (baseline: 551.7 µs, +16.8%) ✓ scaling.none.1x: 7.81 ms (baseline: 11.93 ms, -34.6%) ✓ scaling.movingAvg.1x: 1.12 ms (baseline: 2.23 ms, -49.9%) ✓ scaling.rdp.1x: 626.9 µs (baseline: 2.54 ms, -75.4%) ✓ scaling.none.2x: 8.05 ms (baseline: 11.86 ms, -32.2%) ✓ scaling.movingAvg.2x: 1.22 ms (baseline: 2.87 ms, -57.5%) ✓ scaling.rdp.2x: 1.18 ms (baseline: 4.01 ms, -70.6%) scaling.none.5x: 25.79 ms (baseline: 26.27 ms, -1.8%) scaling.movingAvg.5x: 3.22 ms (baseline: 3.39 ms, -5.0%) ⚠️ scaling.rdp.5x: 3.76 ms (baseline: 2.72 ms, +38.5%) ✓ scaling.none.10x: 51.24 ms (baseline: 65.77 ms, -22.1%) ⚠️ scaling.movingAvg.10x: 8.15 ms (baseline: 6.75 ms, +20.8%) ⚠️ scaling.rdp.10x: 4.83 ms (baseline: 3.89 ms, +24.0%) ⚠️ scaling.none.20x: 112.38 ms (baseline: 70.52 ms, +59.4%) ⚠️ scaling.movingAvg.20x: 14.60 ms (baseline: 10.24 ms, +42.6%) ⚠️ scaling.rdp.20x: 25.82 ms (baseline: 14.60 ms, +76.8%) ✓ scaling.none.50x: 243.57 ms (baseline: 399.81 ms, -39.1%) ✓ scaling.movingAvg.50x: 31.39 ms (baseline: 40.00 ms, -21.5%) ⚠️ scaling.rdp.50x: 56.96 ms (baseline: 23.81 ms, +139.2%) ✓ multiseries.movingAvg.1series: 6.68 ms (baseline: 8.45 ms, -20.9%) multiseries.rdp.1series: 8.29 ms (baseline: 7.02 ms, +18.2%) multiseries.movingAvg.2series: 16.92 ms (baseline: 16.87 ms, +0.3%) multiseries.rdp.2series: 17.60 ms (baseline: 17.43 ms, +1.0%) ✓ multiseries.movingAvg.3series: 20.39 ms (baseline: 24.92 ms, -18.2%) multiseries.rdp.3series: 24.10 ms (baseline: 21.96 ms, +9.7%) multiseries.movingAvg.5series: 26.28 ms (baseline: 28.13 ms, -6.6%) ⚠️ multiseries.rdp.5series: 53.54 ms (baseline: 37.42 ms, +43.1%) 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: 45.26 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: 0.024 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: 0.068 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: 21.70 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: 01:18 min [INFO] Finished at: 2026-09-22T21:59:30Z [INFO] ------------------------------------------------------------------------