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 93c9895 [maven-release-plugin] prepare for next development iteration $ mvn versions:set-property -Dproperty=vaadin.version -DnewVersion=25.4-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:1.2.1-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 1.2.1-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: 3.098 s [INFO] Finished at: 2026-10-11T21:21:06Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.4-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:1.2.1-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 1.2.1-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:1.2.1-SNAPSHOT -> 25.4-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.245 s [INFO] Finished at: 2026-10-11T21:21:12Z [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:1.2.1-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 1.2.1-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:1.2.1-SNAPSHOT... [INFO] [INFO] --- compiler:3.13.0:compile (default-compile) @ svg-visualizations --- [INFO] Recompiling the module because of changed source code. [INFO] Compiling 3 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 17 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.SparkLineGeometryTest [INFO] Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.136 s -- in org.vaadin.svgvis.SparkLineGeometryTest [INFO] Running org.vaadin.svgvis.RenderingPerformanceTest Loaded 948423 weather records === System Information === CPU Model: AMD EPYC-Rome Processor CPU Cores: 4 OS: Linux 6.8.0-146-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-10-11T20:09:44.126598577Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 21:21:52.933 [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 | 8.16 ms | 7.47 ms | 6.81 ms 1,000 | 8.70 ms | 5.46 ms | 7.46 ms 10,000 | 19.18 ms | 3.06 ms | 7.26 ms 49,871 | 25.73 ms | 3.32 ms | 13.72 ms 97,643 | 67.47 ms | 10.21 ms | 18.51 ms 495,995 | 375.79 ms | 5.27 ms | 83.08 ms 944,282 | 622.77 ms | 16.09 ms | 132.70 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 | 324.0 µs | 1.85 ms | 2.17 ms 10,000 | 4.51 ms | 1.42 ms | 5.93 ms 50,000 | 18.58 ms | 1.04 ms | 19.62 ms 100,000 | 7.48 ms | 1.42 ms | 8.90 ms 500,000 | 36.40 ms | 1.62 ms | 38.02 ms 948,423 | 53.37 ms | 701.4 µs | 54.07 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 | 4.90 ms ( 0.9x) | 350.8 µs ( 0.6x) | 3.77 ms ( 2.4x) 2x | 19,996 | 9.34 ms ( 1.7x) | 1.32 ms ( 2.1x) | 1.39 ms ( 0.9x) 5x | 49,871 | 31.49 ms ( 5.8x) | 756.6 µs ( 1.2x) | 4.82 ms ( 3.0x) 10x | 97,643 | 78.20 ms (14.3x) | 2.50 ms ( 3.9x) | 5.59 ms ( 3.5x) 20x | 196,569 | 99.64 ms (18.3x) | 1.92 ms ( 3.0x) | 19.26 ms (12.1x) 50x | 495,995 | 293.21 ms (53.7x) | 6.69 ms (10.5x) | 78.59 ms (49.4x) 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 | 171.7 µs | 5 | 269.5 µs 10,000 | 5 | 226.7 µs | 5 | 843.5 µs 97,643 | 5 | 2.88 ms | 5 | 12.02 ms 495,995 | 5 | 7.06 ms | 5 | 89.50 ms 944,282 | 5 | 15.63 ms | 5 | 113.47 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 | 936.8 µs | 9.17 ms 2 | 2.16 ms | 18.77 ms 3 | 5.40 ms | 46.37 ms 5 | 8.34 ms | 70.61 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 8.16 ms (baseline: 1.45 ms, +463.5%) ⚠️ sparkline.movingAvg.100: 7.47 ms (baseline: 1.34 ms, +458.5%) ⚠️ sparkline.rdp.100: 6.81 ms (baseline: 2.08 ms, +227.0%) ✓ sparkline.none.1000: 8.70 ms (baseline: 11.44 ms, -24.0%) ⚠️ sparkline.movingAvg.1000: 5.46 ms (baseline: 2.13 ms, +155.9%) sparkline.rdp.1000: 7.46 ms (baseline: 7.60 ms, -1.8%) ⚠️ sparkline.none.10000: 19.18 ms (baseline: 11.67 ms, +64.3%) ⚠️ sparkline.movingAvg.10000: 3.06 ms (baseline: 1.23 ms, +148.1%) sparkline.rdp.10000: 7.26 ms (baseline: 7.24 ms, +0.2%) ✓ sparkline.none.50000: 25.73 ms (baseline: 32.37 ms, -20.5%) sparkline.movingAvg.50000: 3.32 ms (baseline: 2.85 ms, +16.5%) ✓ sparkline.rdp.50000: 13.72 ms (baseline: 16.46 ms, -16.6%) ⚠️ sparkline.none.100000: 67.47 ms (baseline: 49.38 ms, +36.6%) ⚠️ sparkline.movingAvg.100000: 10.21 ms (baseline: 3.86 ms, +164.8%) ✓ sparkline.rdp.100000: 18.51 ms (baseline: 49.08 ms, -62.3%) sparkline.none.500000: 375.79 ms (baseline: 320.29 ms, +17.3%) ✓ sparkline.movingAvg.500000: 5.27 ms (baseline: 6.77 ms, -22.2%) sparkline.rdp.500000: 83.08 ms (baseline: 72.12 ms, +15.2%) sparkline.none.948423: 622.77 ms (baseline: 653.00 ms, -4.6%) sparkline.movingAvg.948423: 16.09 ms (baseline: 13.49 ms, +19.2%) sparkline.rdp.948423: 132.70 ms (baseline: 128.24 ms, +3.5%) windrose.aggregation.1000: 324.0 µs (baseline: 308.8 µs, +4.9%) windrose.draw.1000: 1.85 ms (baseline: 1.57 ms, +17.9%) ⚠️ windrose.aggregation.10000: 4.51 ms (baseline: 3.27 ms, +38.0%) ⚠️ windrose.draw.10000: 1.42 ms (baseline: 907.8 µs, +56.0%) ⚠️ windrose.aggregation.50000: 18.58 ms (baseline: 11.48 ms, +61.9%) ✓ windrose.draw.50000: 1.04 ms (baseline: 1.43 ms, -27.3%) ✓ windrose.aggregation.100000: 7.48 ms (baseline: 17.40 ms, -57.0%) ⚠️ windrose.draw.100000: 1.42 ms (baseline: 965.1 µs, +47.3%) ⚠️ windrose.aggregation.500000: 36.40 ms (baseline: 23.45 ms, +55.2%) ⚠️ windrose.draw.500000: 1.62 ms (baseline: 572.9 µs, +183.2%) ✓ windrose.aggregation.948423: 53.37 ms (baseline: 64.18 ms, -16.8%) windrose.draw.948423: 701.4 µs (baseline: 718.9 µs, -2.4%) ✓ scaling.none.1x: 4.90 ms (baseline: 18.29 ms, -73.2%) scaling.movingAvg.1x: 350.8 µs (baseline: 320.8 µs, +9.3%) scaling.rdp.1x: 3.77 ms (baseline: 3.78 ms, -0.3%) ✓ scaling.none.2x: 9.34 ms (baseline: 22.38 ms, -58.3%) ⚠️ scaling.movingAvg.2x: 1.32 ms (baseline: 388.5 µs, +240.9%) ✓ scaling.rdp.2x: 1.39 ms (baseline: 1.90 ms, -26.9%) scaling.none.5x: 31.49 ms (baseline: 31.16 ms, +1.0%) ✓ scaling.movingAvg.5x: 756.6 µs (baseline: 2.24 ms, -66.3%) scaling.rdp.5x: 4.82 ms (baseline: 4.56 ms, +5.6%) scaling.none.10x: 78.20 ms (baseline: 82.30 ms, -5.0%) ✓ scaling.movingAvg.10x: 2.50 ms (baseline: 7.21 ms, -65.4%) ✓ scaling.rdp.10x: 5.59 ms (baseline: 15.14 ms, -63.1%) ⚠️ scaling.none.20x: 99.64 ms (baseline: 81.53 ms, +22.2%) ✓ scaling.movingAvg.20x: 1.92 ms (baseline: 2.77 ms, -30.7%) scaling.rdp.20x: 19.26 ms (baseline: 20.03 ms, -3.8%) scaling.none.50x: 293.21 ms (baseline: 287.00 ms, +2.2%) scaling.movingAvg.50x: 6.69 ms (baseline: 6.69 ms, -0.1%) scaling.rdp.50x: 78.59 ms (baseline: 69.40 ms, +13.2%) ✓ multiseries.movingAvg.1series: 936.8 µs (baseline: 3.61 ms, -74.1%) ⚠️ multiseries.rdp.1series: 9.17 ms (baseline: 5.78 ms, +58.7%) multiseries.movingAvg.2series: 2.16 ms (baseline: 2.37 ms, -9.1%) multiseries.rdp.2series: 18.77 ms (baseline: 19.61 ms, -4.3%) ✓ multiseries.movingAvg.3series: 5.40 ms (baseline: 9.32 ms, -42.1%) multiseries.rdp.3series: 46.37 ms (baseline: 50.16 ms, -7.6%) ⚠️ multiseries.movingAvg.5series: 8.34 ms (baseline: 4.87 ms, +71.2%) ⚠️ multiseries.rdp.5series: 70.61 ms (baseline: 51.40 ms, +37.4%) 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: 44.18 s -- in org.vaadin.svgvis.RenderingPerformanceTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineDrawingTest [INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.903 s -- in org.vaadin.svgvis.unit.SvgSparkLineDrawingTest [INFO] Running org.vaadin.svgvis.unit.WindRoseTest [INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.020 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: 0.014 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: 21.08 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 41, 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-1.2.1-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:21 min [INFO] Finished at: 2026-10-11T21:22:45Z [INFO] ------------------------------------------------------------------------