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: 3.301 s [INFO] Finished at: 2026-10-09T15:47:43Z [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: 2.768 s [INFO] Finished at: 2026-10-09T15:47:50Z [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:1.2.1-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: 0.322 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: 2026-10-09T12:21:15.404768150Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 15:48:32.714 [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 | 4.81 ms | 3.57 ms | 4.82 ms 1,000 | 6.44 ms | 3.02 ms | 3.52 ms 10,000 | 21.84 ms | 1.63 ms | 9.51 ms 49,871 | 44.65 ms | 5.21 ms | 3.42 ms 97,643 | 81.47 ms | 3.04 ms | 8.76 ms 495,995 | 398.92 ms | 8.18 ms | 59.07 ms 944,282 | 783.88 ms | 12.66 ms | 98.02 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 | 2.38 ms | 2.46 ms | 4.84 ms 10,000 | 2.81 ms | 713.7 µs | 3.52 ms 50,000 | 16.78 ms | 2.37 ms | 19.15 ms 100,000 | 15.71 ms | 1.98 ms | 17.70 ms 500,000 | 66.80 ms | 2.26 ms | 69.05 ms 948,423 | 114.73 ms | 2.42 ms | 117.15 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 | 7.36 ms ( 0.7x) | 787.7 µs ( 0.7x) | 3.04 ms ( 1.4x) 2x | 19,996 | 22.17 ms ( 2.2x) | 1.15 ms ( 1.1x) | 1.71 ms ( 0.8x) 5x | 49,871 | 19.88 ms ( 2.0x) | 750.1 µs ( 0.7x) | 3.87 ms ( 1.8x) 10x | 97,643 | 50.61 ms ( 5.0x) | 1.90 ms ( 1.8x) | 25.02 ms (11.7x) 20x | 196,569 | 105.72 ms (10.5x) | 2.10 ms ( 2.0x) | 12.63 ms ( 5.9x) 50x | 495,995 | 266.21 ms (26.5x) | 4.48 ms ( 4.3x) | 55.61 ms (26.0x) 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 | 144.4 µs | 5 | 785.2 µs 10,000 | 5 | 330.7 µs | 5 | 2.13 ms 97,643 | 5 | 3.54 ms | 5 | 13.96 ms 495,995 | 5 | 9.77 ms | 5 | 42.26 ms 944,282 | 5 | 17.34 ms | 5 | 112.35 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 | 1.70 ms | 6.75 ms 2 | 3.42 ms | 21.16 ms 3 | 8.13 ms | 26.66 ms 5 | 6.32 ms | 67.19 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 4.81 ms (baseline: 8.07 ms, -40.4%) ⚠️ sparkline.movingAvg.100: 3.57 ms (baseline: 2.82 ms, +26.7%) ⚠️ sparkline.rdp.100: 4.82 ms (baseline: 3.79 ms, +27.2%) sparkline.none.1000: 6.44 ms (baseline: 5.42 ms, +18.9%) ✓ sparkline.movingAvg.1000: 3.02 ms (baseline: 3.93 ms, -23.3%) sparkline.rdp.1000: 3.52 ms (baseline: 3.12 ms, +12.9%) ✓ sparkline.none.10000: 21.84 ms (baseline: 31.96 ms, -31.7%) ✓ sparkline.movingAvg.10000: 1.63 ms (baseline: 6.68 ms, -75.6%) ✓ sparkline.rdp.10000: 9.51 ms (baseline: 15.74 ms, -39.6%) sparkline.none.50000: 44.65 ms (baseline: 47.46 ms, -5.9%) ⚠️ sparkline.movingAvg.50000: 5.21 ms (baseline: 3.09 ms, +68.6%) ✓ sparkline.rdp.50000: 3.42 ms (baseline: 9.32 ms, -63.3%) ⚠️ sparkline.none.100000: 81.47 ms (baseline: 48.64 ms, +67.5%) ✓ sparkline.movingAvg.100000: 3.04 ms (baseline: 4.74 ms, -35.8%) ✓ sparkline.rdp.100000: 8.76 ms (baseline: 17.28 ms, -49.3%) sparkline.none.500000: 398.92 ms (baseline: 409.36 ms, -2.5%) ⚠️ sparkline.movingAvg.500000: 8.18 ms (baseline: 6.49 ms, +25.9%) ⚠️ sparkline.rdp.500000: 59.07 ms (baseline: 48.54 ms, +21.7%) sparkline.none.948423: 783.88 ms (baseline: 666.40 ms, +17.6%) ⚠️ sparkline.movingAvg.948423: 12.66 ms (baseline: 10.02 ms, +26.3%) sparkline.rdp.948423: 98.02 ms (baseline: 104.27 ms, -6.0%) windrose.aggregation.1000: 2.38 ms (baseline: 2.42 ms, -1.6%) ✓ windrose.draw.1000: 2.46 ms (baseline: 3.61 ms, -31.9%) ✓ windrose.aggregation.10000: 2.81 ms (baseline: 4.61 ms, -39.0%) ✓ windrose.draw.10000: 713.7 µs (baseline: 1.87 ms, -61.9%) windrose.aggregation.50000: 16.78 ms (baseline: 14.54 ms, +15.5%) ⚠️ windrose.draw.50000: 2.37 ms (baseline: 1.12 ms, +110.5%) ⚠️ windrose.aggregation.100000: 15.71 ms (baseline: 7.37 ms, +113.2%) ⚠️ windrose.draw.100000: 1.98 ms (baseline: 661.6 µs, +199.9%) ⚠️ windrose.aggregation.500000: 66.80 ms (baseline: 43.29 ms, +54.3%) ⚠️ windrose.draw.500000: 2.26 ms (baseline: 560.0 µs, +303.2%) ⚠️ windrose.aggregation.948423: 114.73 ms (baseline: 59.92 ms, +91.5%) ⚠️ windrose.draw.948423: 2.42 ms (baseline: 480.7 µs, +404.0%) scaling.none.1x: 7.36 ms (baseline: 8.15 ms, -9.7%) ⚠️ scaling.movingAvg.1x: 787.7 µs (baseline: 630.0 µs, +25.0%) ⚠️ scaling.rdp.1x: 3.04 ms (baseline: 1.29 ms, +136.4%) ⚠️ scaling.none.2x: 22.17 ms (baseline: 11.82 ms, +87.5%) ⚠️ scaling.movingAvg.2x: 1.15 ms (baseline: 769.5 µs, +49.6%) ✓ scaling.rdp.2x: 1.71 ms (baseline: 2.25 ms, -23.9%) ✓ scaling.none.5x: 19.88 ms (baseline: 35.78 ms, -44.5%) ⚠️ scaling.movingAvg.5x: 750.1 µs (baseline: 560.9 µs, +33.7%) ⚠️ scaling.rdp.5x: 3.87 ms (baseline: 2.68 ms, +44.6%) ✓ scaling.none.10x: 50.61 ms (baseline: 62.37 ms, -18.9%) ✓ scaling.movingAvg.10x: 1.90 ms (baseline: 3.33 ms, -43.0%) ⚠️ scaling.rdp.10x: 25.02 ms (baseline: 12.03 ms, +107.9%) ✓ scaling.none.20x: 105.72 ms (baseline: 121.42 ms, -12.9%) ✓ scaling.movingAvg.20x: 2.10 ms (baseline: 6.77 ms, -69.0%) ✓ scaling.rdp.20x: 12.63 ms (baseline: 23.68 ms, -46.7%) ✓ scaling.none.50x: 266.21 ms (baseline: 448.25 ms, -40.6%) ✓ scaling.movingAvg.50x: 4.48 ms (baseline: 8.49 ms, -47.2%) ✓ scaling.rdp.50x: 55.61 ms (baseline: 77.80 ms, -28.5%) ✓ multiseries.movingAvg.1series: 1.70 ms (baseline: 3.66 ms, -53.6%) ✓ multiseries.rdp.1series: 6.75 ms (baseline: 43.78 ms, -84.6%) ✓ multiseries.movingAvg.2series: 3.42 ms (baseline: 4.61 ms, -25.8%) ✓ multiseries.rdp.2series: 21.16 ms (baseline: 26.10 ms, -18.9%) ⚠️ multiseries.movingAvg.3series: 8.13 ms (baseline: 6.39 ms, +27.2%) ⚠️ multiseries.rdp.3series: 26.66 ms (baseline: 21.66 ms, +23.1%) ✓ multiseries.movingAvg.5series: 6.32 ms (baseline: 8.36 ms, -24.5%) ✓ multiseries.rdp.5series: 67.19 ms (baseline: 80.80 ms, -16.8%) 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: 45.46 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: 4.152 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: 0.026 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: 0.039 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: 21.24 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: 01:24 min [INFO] Finished at: 2026-10-09T15:49:26Z [INFO] ------------------------------------------------------------------------