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=25.3-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: 3.222 s [INFO] Finished at: 2026-10-07T14:30:03Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.3-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 -> 25.3-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.776 s [INFO] Finished at: 2026-10-07T14:30:10Z [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: 0.220 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 6.8.0-142-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-10-07T12:22:00.118919233Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 14:30:54.665 [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 | 6.42 ms | 3.06 ms | 6.58 ms 1,000 | 10.89 ms | 2.56 ms | 2.08 ms 10,000 | 15.68 ms | 2.42 ms | 22.88 ms 49,871 | 40.33 ms | 3.65 ms | 10.76 ms 97,643 | 52.35 ms | 6.51 ms | 9.19 ms 495,995 | 445.89 ms | 12.01 ms | 59.31 ms 944,282 | 683.06 ms | 19.16 ms | 112.97 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 | 489.1 µs | 2.27 ms | 2.76 ms 10,000 | 6.75 ms | 2.65 ms | 9.40 ms 50,000 | 36.09 ms | 1.75 ms | 37.84 ms 100,000 | 31.24 ms | 1.50 ms | 32.74 ms 500,000 | 97.02 ms | 1.29 ms | 98.32 ms 948,423 | 60.53 ms | 1.34 ms | 61.87 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 | 7.58 ms ( 0.9x) | 278.9 µs ( 0.6x) | 711.9 µs ( 0.3x) 2x | 19,996 | 8.67 ms ( 1.1x) | 979.6 µs ( 2.1x) | 1.41 ms ( 0.5x) 5x | 49,871 | 21.05 ms ( 2.6x) | 1.75 ms ( 3.8x) | 6.92 ms ( 2.5x) 10x | 97,643 | 46.43 ms ( 5.7x) | 1.19 ms ( 2.6x) | 5.40 ms ( 1.9x) 20x | 196,569 | 130.40 ms (16.1x) | 3.46 ms ( 7.6x) | 14.05 ms ( 5.0x) 50x | 495,995 | 259.99 ms (32.1x) | 7.12 ms (15.6x) | 80.48 ms (28.8x) 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 | 135.8 µs | 5 | 714.9 µs 10,000 | 5 | 202.6 µs | 5 | 1.77 ms 97,643 | 5 | 1.20 ms | 5 | 7.11 ms 495,995 | 5 | 10.36 ms | 5 | 59.69 ms 944,282 | 5 | 14.87 ms | 5 | 135.21 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 | 1.05 ms | 9.60 ms 2 | 2.30 ms | 16.90 ms 3 | 4.34 ms | 34.57 ms 5 | 5.14 ms | 50.41 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 6.42 ms (baseline: 1.47 ms, +336.2%) ✓ sparkline.movingAvg.100: 3.06 ms (baseline: 4.20 ms, -27.1%) ⚠️ sparkline.rdp.100: 6.58 ms (baseline: 2.25 ms, +191.9%) ⚠️ sparkline.none.1000: 10.89 ms (baseline: 6.35 ms, +71.6%) ✓ sparkline.movingAvg.1000: 2.56 ms (baseline: 3.66 ms, -30.1%) ✓ sparkline.rdp.1000: 2.08 ms (baseline: 2.85 ms, -26.9%) ✓ sparkline.none.10000: 15.68 ms (baseline: 27.82 ms, -43.6%) sparkline.movingAvg.10000: 2.42 ms (baseline: 2.22 ms, +9.0%) ⚠️ sparkline.rdp.10000: 22.88 ms (baseline: 9.10 ms, +151.3%) ✓ sparkline.none.50000: 40.33 ms (baseline: 46.27 ms, -12.8%) ✓ sparkline.movingAvg.50000: 3.65 ms (baseline: 4.96 ms, -26.4%) ✓ sparkline.rdp.50000: 10.76 ms (baseline: 37.00 ms, -70.9%) sparkline.none.100000: 52.35 ms (baseline: 51.43 ms, +1.8%) ⚠️ sparkline.movingAvg.100000: 6.51 ms (baseline: 1.57 ms, +313.4%) ✓ sparkline.rdp.100000: 9.19 ms (baseline: 21.39 ms, -57.1%) ⚠️ sparkline.none.500000: 445.89 ms (baseline: 341.82 ms, +30.4%) ✓ sparkline.movingAvg.500000: 12.01 ms (baseline: 16.67 ms, -28.0%) sparkline.rdp.500000: 59.31 ms (baseline: 51.36 ms, +15.5%) sparkline.none.948423: 683.06 ms (baseline: 682.95 ms, +0.0%) sparkline.movingAvg.948423: 19.16 ms (baseline: 16.90 ms, +13.4%) sparkline.rdp.948423: 112.97 ms (baseline: 113.15 ms, -0.2%) ✓ windrose.aggregation.1000: 489.1 µs (baseline: 896.7 µs, -45.5%) windrose.draw.1000: 2.27 ms (baseline: 1.98 ms, +14.4%) ⚠️ windrose.aggregation.10000: 6.75 ms (baseline: 4.73 ms, +42.7%) ⚠️ windrose.draw.10000: 2.65 ms (baseline: 751.7 µs, +251.9%) ⚠️ windrose.aggregation.50000: 36.09 ms (baseline: 14.13 ms, +155.5%) ⚠️ windrose.draw.50000: 1.75 ms (baseline: 1.17 ms, +50.2%) ⚠️ windrose.aggregation.100000: 31.24 ms (baseline: 8.86 ms, +252.4%) ⚠️ windrose.draw.100000: 1.50 ms (baseline: 727.7 µs, +105.9%) ⚠️ windrose.aggregation.500000: 97.02 ms (baseline: 31.29 ms, +210.1%) ⚠️ windrose.draw.500000: 1.29 ms (baseline: 956.0 µs, +35.0%) ✓ windrose.aggregation.948423: 60.53 ms (baseline: 87.57 ms, -30.9%) ⚠️ windrose.draw.948423: 1.34 ms (baseline: 874.2 µs, +53.7%) ⚠️ scaling.none.1x: 7.58 ms (baseline: 5.33 ms, +42.3%) ✓ scaling.movingAvg.1x: 278.9 µs (baseline: 318.5 µs, -12.4%) ✓ scaling.rdp.1x: 711.9 µs (baseline: 1.31 ms, -45.6%) ✓ scaling.none.2x: 8.67 ms (baseline: 10.57 ms, -17.9%) ⚠️ scaling.movingAvg.2x: 979.6 µs (baseline: 452.7 µs, +116.4%) ✓ scaling.rdp.2x: 1.41 ms (baseline: 5.00 ms, -71.9%) ✓ scaling.none.5x: 21.05 ms (baseline: 39.91 ms, -47.3%) scaling.movingAvg.5x: 1.75 ms (baseline: 1.63 ms, +7.8%) ⚠️ scaling.rdp.5x: 6.92 ms (baseline: 4.02 ms, +72.0%) ✓ scaling.none.10x: 46.43 ms (baseline: 59.41 ms, -21.8%) ⚠️ scaling.movingAvg.10x: 1.19 ms (baseline: 926.0 µs, +28.5%) ✓ scaling.rdp.10x: 5.40 ms (baseline: 7.48 ms, -27.8%) ⚠️ scaling.none.20x: 130.40 ms (baseline: 101.13 ms, +28.9%) ⚠️ scaling.movingAvg.20x: 3.46 ms (baseline: 1.93 ms, +79.2%) ✓ scaling.rdp.20x: 14.05 ms (baseline: 20.93 ms, -32.9%) ✓ scaling.none.50x: 259.99 ms (baseline: 321.30 ms, -19.1%) scaling.movingAvg.50x: 7.12 ms (baseline: 6.03 ms, +18.0%) ✓ scaling.rdp.50x: 80.48 ms (baseline: 93.05 ms, -13.5%) ✓ multiseries.movingAvg.1series: 1.05 ms (baseline: 2.14 ms, -51.0%) ✓ multiseries.rdp.1series: 9.60 ms (baseline: 10.80 ms, -11.1%) ✓ multiseries.movingAvg.2series: 2.30 ms (baseline: 4.57 ms, -49.7%) ✓ multiseries.rdp.2series: 16.90 ms (baseline: 20.10 ms, -15.9%) ✓ multiseries.movingAvg.3series: 4.34 ms (baseline: 8.67 ms, -50.0%) ✓ multiseries.rdp.3series: 34.57 ms (baseline: 38.55 ms, -10.3%) multiseries.movingAvg.5series: 5.14 ms (baseline: 5.33 ms, -3.4%) multiseries.rdp.5series: 50.41 ms (baseline: 47.08 ms, +7.1%) 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: 44.91 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: 3.910 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: 0.009 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: 21.51 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: 01:23 min [INFO] Finished at: 2026-10-07T14:31:47Z [INFO] ------------------------------------------------------------------------