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 939d4f0 [maven-release-plugin] prepare for next development iteration $ 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 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 1.1.1-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: 2.685 s [INFO] Finished at: 2026-08-08T22:37:43Z [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 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 1.1.1-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-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.460 s [INFO] Finished at: 2026-08-08T22:37:50Z [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 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 1.1.1-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 6.8.0-136-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-08-08T21:29:11.055994296Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 22:38:31.640 [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 | 9.80 ms | 10.69 ms | 2.73 ms 1,000 | 5.19 ms | 2.30 ms | 11.32 ms 10,000 | 29.41 ms | 8.80 ms | 20.93 ms 49,871 | 21.49 ms | 5.66 ms | 10.06 ms 97,643 | 73.21 ms | 11.52 ms | 13.07 ms 495,995 | 308.60 ms | 67.87 ms | 38.46 ms 944,282 | 480.38 ms | 126.78 ms | 118.36 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 | 440.3 µs | 866.0 µs | 1.31 ms 10,000 | 4.41 ms | 1.35 ms | 5.77 ms 50,000 | 7.84 ms | 2.01 ms | 9.85 ms 100,000 | 23.54 ms | 1.00 ms | 24.54 ms 500,000 | 34.80 ms | 529.9 µs | 35.33 ms 948,423 | 65.55 ms | 749.6 µs | 66.30 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 | 5.42 ms ( 1.0x) | 649.5 µs ( 1.0x) | 1.63 ms ( 2.1x) 2x | 19,996 | 15.59 ms ( 2.9x) | 1.25 ms ( 1.8x) | 952.3 µs ( 1.2x) 5x | 49,871 | 19.35 ms ( 3.6x) | 3.84 ms ( 5.6x) | 7.13 ms ( 9.3x) 10x | 97,643 | 45.08 ms ( 8.3x) | 7.93 ms (11.6x) | 8.55 ms (11.1x) 20x | 196,569 | 116.38 ms (21.5x) | 13.99 ms (20.5x) | 14.49 ms (18.8x) 50x | 495,995 | 293.90 ms (54.2x) | 27.96 ms (41.0x) | 34.73 ms (45.1x) 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 | 179.4 µs | 5 | 657.9 µs 10,000 | 5 | 1.33 ms | 5 | 1.24 ms 97,643 | 5 | 11.33 ms | 5 | 17.81 ms 495,995 | 5 | 40.84 ms | 5 | 38.03 ms 944,282 | 5 | 122.37 ms | 5 | 82.25 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 | 7.89 ms | 28.80 ms 2 | 10.96 ms | 24.94 ms 3 | 29.51 ms | 20.85 ms 5 | 25.68 ms | 41.28 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 9.80 ms (baseline: 1.16 ms, +747.0%) ⚠️ sparkline.movingAvg.100: 10.69 ms (baseline: 1.41 ms, +660.2%) ⚠️ sparkline.rdp.100: 2.73 ms (baseline: 964.9 µs, +183.0%) ⚠️ sparkline.none.1000: 5.19 ms (baseline: 2.57 ms, +102.2%) ⚠️ sparkline.movingAvg.1000: 2.30 ms (baseline: 1.38 ms, +66.2%) ⚠️ sparkline.rdp.1000: 11.32 ms (baseline: 2.14 ms, +430.4%) ⚠️ sparkline.none.10000: 29.41 ms (baseline: 8.44 ms, +248.3%) ⚠️ sparkline.movingAvg.10000: 8.80 ms (baseline: 2.46 ms, +258.0%) ⚠️ sparkline.rdp.10000: 20.93 ms (baseline: 3.79 ms, +451.8%) ✓ sparkline.none.50000: 21.49 ms (baseline: 25.88 ms, -16.9%) ⚠️ sparkline.movingAvg.50000: 5.66 ms (baseline: 3.35 ms, +68.8%) ✓ sparkline.rdp.50000: 10.06 ms (baseline: 14.05 ms, -28.3%) ⚠️ sparkline.none.100000: 73.21 ms (baseline: 36.66 ms, +99.7%) ⚠️ sparkline.movingAvg.100000: 11.52 ms (baseline: 5.50 ms, +109.6%) ✓ sparkline.rdp.100000: 13.07 ms (baseline: 15.16 ms, -13.8%) ⚠️ sparkline.none.500000: 308.60 ms (baseline: 205.48 ms, +50.2%) ⚠️ sparkline.movingAvg.500000: 67.87 ms (baseline: 31.69 ms, +114.2%) ⚠️ sparkline.rdp.500000: 38.46 ms (baseline: 31.07 ms, +23.8%) ⚠️ sparkline.none.948423: 480.38 ms (baseline: 367.96 ms, +30.6%) ⚠️ sparkline.movingAvg.948423: 126.78 ms (baseline: 98.35 ms, +28.9%) ⚠️ sparkline.rdp.948423: 118.36 ms (baseline: 88.19 ms, +34.2%) windrose.aggregation.1000: 440.3 µs (baseline: 440.2 µs, +0.0%) ✓ windrose.draw.1000: 866.0 µs (baseline: 2.05 ms, -57.7%) ✓ windrose.aggregation.10000: 4.41 ms (baseline: 9.06 ms, -51.3%) ✓ windrose.draw.10000: 1.35 ms (baseline: 2.35 ms, -42.5%) windrose.aggregation.50000: 7.84 ms (baseline: 8.55 ms, -8.2%) ⚠️ windrose.draw.50000: 2.01 ms (baseline: 1.17 ms, +72.3%) ⚠️ windrose.aggregation.100000: 23.54 ms (baseline: 7.78 ms, +202.4%) ⚠️ windrose.draw.100000: 1.00 ms (baseline: 600.5 µs, +66.8%) ✓ windrose.aggregation.500000: 34.80 ms (baseline: 38.79 ms, -10.3%) ✓ windrose.draw.500000: 529.9 µs (baseline: 633.4 µs, -16.3%) ⚠️ windrose.aggregation.948423: 65.55 ms (baseline: 37.04 ms, +77.0%) ⚠️ windrose.draw.948423: 749.6 µs (baseline: 622.2 µs, +20.5%) ⚠️ scaling.none.1x: 5.42 ms (baseline: 3.86 ms, +40.3%) scaling.movingAvg.1x: 649.5 µs (baseline: 550.9 µs, +17.9%) ⚠️ scaling.rdp.1x: 1.63 ms (baseline: 615.3 µs, +164.3%) ⚠️ scaling.none.2x: 15.59 ms (baseline: 7.36 ms, +111.9%) ⚠️ scaling.movingAvg.2x: 1.25 ms (baseline: 1.03 ms, +20.9%) scaling.rdp.2x: 952.3 µs (baseline: 1.04 ms, -8.7%) scaling.none.5x: 19.35 ms (baseline: 19.08 ms, +1.4%) ⚠️ scaling.movingAvg.5x: 3.84 ms (baseline: 3.12 ms, +23.2%) ⚠️ scaling.rdp.5x: 7.13 ms (baseline: 2.81 ms, +153.6%) ⚠️ scaling.none.10x: 45.08 ms (baseline: 35.14 ms, +28.3%) ⚠️ scaling.movingAvg.10x: 7.93 ms (baseline: 5.06 ms, +56.9%) ⚠️ scaling.rdp.10x: 8.55 ms (baseline: 6.14 ms, +39.3%) ⚠️ scaling.none.20x: 116.38 ms (baseline: 69.48 ms, +67.5%) ⚠️ scaling.movingAvg.20x: 13.99 ms (baseline: 9.31 ms, +50.2%) ⚠️ scaling.rdp.20x: 14.49 ms (baseline: 10.94 ms, +32.5%) ⚠️ scaling.none.50x: 293.90 ms (baseline: 209.61 ms, +40.2%) ✓ scaling.movingAvg.50x: 27.96 ms (baseline: 34.19 ms, -18.2%) ⚠️ scaling.rdp.50x: 34.73 ms (baseline: 26.07 ms, +33.2%) ⚠️ multiseries.movingAvg.1series: 7.89 ms (baseline: 4.93 ms, +59.9%) ⚠️ multiseries.rdp.1series: 28.80 ms (baseline: 21.34 ms, +34.9%) multiseries.movingAvg.2series: 10.96 ms (baseline: 9.58 ms, +14.4%) ⚠️ multiseries.rdp.2series: 24.94 ms (baseline: 12.54 ms, +98.9%) ⚠️ multiseries.movingAvg.3series: 29.51 ms (baseline: 13.63 ms, +116.5%) multiseries.rdp.3series: 20.85 ms (baseline: 18.90 ms, +10.4%) multiseries.movingAvg.5series: 25.68 ms (baseline: 25.04 ms, +2.5%) multiseries.rdp.5series: 41.28 ms (baseline: 34.82 ms, +18.6%) 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: 43.48 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: 0.010 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: 0.017 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: 21.43 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: 01:17 min [INFO] Finished at: 2026-08-08T22:39:19Z [INFO] ------------------------------------------------------------------------