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: 3.117 s [INFO] Finished at: 2026-10-11T20:08:29Z [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: 3.074 s [INFO] Finished at: 2026-10-11T20:08:37Z [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: 0.129 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: 2026-10-11T15:20:47.394036201Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 20:09:18.493 [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 | 1.45 ms | 1.34 ms | 2.08 ms 1,000 | 11.44 ms | 2.13 ms | 7.60 ms 10,000 | 11.67 ms | 1.23 ms | 7.24 ms 49,871 | 32.37 ms | 2.85 ms | 16.46 ms 97,643 | 49.38 ms | 3.86 ms | 49.08 ms 495,995 | 320.29 ms | 6.77 ms | 72.12 ms 944,282 | 653.00 ms | 13.49 ms | 128.24 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 | 308.8 µs | 1.57 ms | 1.87 ms 10,000 | 3.27 ms | 907.8 µs | 4.17 ms 50,000 | 11.48 ms | 1.43 ms | 12.91 ms 100,000 | 17.40 ms | 965.1 µs | 18.36 ms 500,000 | 23.45 ms | 572.9 µs | 24.02 ms 948,423 | 64.18 ms | 718.9 µs | 64.90 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 | 18.29 ms ( 3.2x) | 320.8 µs ( 0.3x) | 3.78 ms ( 4.4x) 2x | 19,996 | 22.38 ms ( 3.9x) | 388.5 µs ( 0.4x) | 1.90 ms ( 2.2x) 5x | 49,871 | 31.16 ms ( 5.4x) | 2.24 ms ( 2.3x) | 4.56 ms ( 5.3x) 10x | 97,643 | 82.30 ms (14.3x) | 7.21 ms ( 7.3x) | 15.14 ms (17.5x) 20x | 196,569 | 81.53 ms (14.1x) | 2.77 ms ( 2.8x) | 20.03 ms (23.2x) 50x | 495,995 | 287.00 ms (49.7x) | 6.69 ms ( 6.8x) | 69.40 ms (80.3x) 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 | 769.6 µs | 5 | 736.0 µs 10,000 | 5 | 226.0 µs | 5 | 4.45 ms 97,643 | 5 | 1.24 ms | 5 | 6.56 ms 495,995 | 5 | 8.28 ms | 5 | 76.34 ms 944,282 | 5 | 18.10 ms | 5 | 109.63 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 | 3.61 ms | 5.78 ms 2 | 2.37 ms | 19.61 ms 3 | 9.32 ms | 50.16 ms 5 | 4.87 ms | 51.40 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.45 ms (baseline: 3.94 ms, -63.2%) ✓ sparkline.movingAvg.100: 1.34 ms (baseline: 3.22 ms, -58.5%) sparkline.rdp.100: 2.08 ms (baseline: 2.31 ms, -9.8%) sparkline.none.1000: 11.44 ms (baseline: 9.55 ms, +19.8%) ✓ sparkline.movingAvg.1000: 2.13 ms (baseline: 3.49 ms, -39.0%) ⚠️ sparkline.rdp.1000: 7.60 ms (baseline: 3.11 ms, +144.6%) ✓ sparkline.none.10000: 11.67 ms (baseline: 16.87 ms, -30.8%) ✓ sparkline.movingAvg.10000: 1.23 ms (baseline: 6.29 ms, -80.4%) ✓ sparkline.rdp.10000: 7.24 ms (baseline: 8.99 ms, -19.4%) ✓ sparkline.none.50000: 32.37 ms (baseline: 43.65 ms, -25.8%) sparkline.movingAvg.50000: 2.85 ms (baseline: 2.64 ms, +8.2%) sparkline.rdp.50000: 16.46 ms (baseline: 15.02 ms, +9.6%) ✓ sparkline.none.100000: 49.38 ms (baseline: 84.23 ms, -41.4%) ✓ sparkline.movingAvg.100000: 3.86 ms (baseline: 6.10 ms, -36.8%) sparkline.rdp.100000: 49.08 ms (baseline: 53.25 ms, -7.8%) ✓ sparkline.none.500000: 320.29 ms (baseline: 372.51 ms, -14.0%) ✓ sparkline.movingAvg.500000: 6.77 ms (baseline: 11.17 ms, -39.4%) ⚠️ sparkline.rdp.500000: 72.12 ms (baseline: 56.33 ms, +28.0%) sparkline.none.948423: 653.00 ms (baseline: 622.27 ms, +4.9%) ✓ sparkline.movingAvg.948423: 13.49 ms (baseline: 22.33 ms, -39.6%) sparkline.rdp.948423: 128.24 ms (baseline: 125.47 ms, +2.2%) ✓ windrose.aggregation.1000: 308.8 µs (baseline: 623.8 µs, -50.5%) ✓ windrose.draw.1000: 1.57 ms (baseline: 2.28 ms, -31.4%) ✓ windrose.aggregation.10000: 3.27 ms (baseline: 3.87 ms, -15.5%) ✓ windrose.draw.10000: 907.8 µs (baseline: 4.70 ms, -80.7%) ✓ windrose.aggregation.50000: 11.48 ms (baseline: 26.14 ms, -56.1%) windrose.draw.50000: 1.43 ms (baseline: 1.58 ms, -9.6%) ⚠️ windrose.aggregation.100000: 17.40 ms (baseline: 7.27 ms, +139.3%) ✓ windrose.draw.100000: 965.1 µs (baseline: 2.59 ms, -62.7%) ✓ windrose.aggregation.500000: 23.45 ms (baseline: 52.48 ms, -55.3%) ✓ windrose.draw.500000: 572.9 µs (baseline: 1.21 ms, -52.8%) ✓ windrose.aggregation.948423: 64.18 ms (baseline: 91.06 ms, -29.5%) ✓ windrose.draw.948423: 718.9 µs (baseline: 2.66 ms, -72.9%) scaling.none.1x: 18.29 ms (baseline: 15.51 ms, +17.9%) ✓ scaling.movingAvg.1x: 320.8 µs (baseline: 502.3 µs, -36.1%) ⚠️ scaling.rdp.1x: 3.78 ms (baseline: 2.26 ms, +67.3%) ✓ scaling.none.2x: 22.38 ms (baseline: 39.59 ms, -43.5%) scaling.movingAvg.2x: 388.5 µs (baseline: 338.9 µs, +14.6%) ⚠️ scaling.rdp.2x: 1.90 ms (baseline: 1.13 ms, +68.9%) scaling.none.5x: 31.16 ms (baseline: 27.24 ms, +14.4%) ⚠️ scaling.movingAvg.5x: 2.24 ms (baseline: 617.6 µs, +263.5%) ✓ scaling.rdp.5x: 4.56 ms (baseline: 6.00 ms, -24.0%) ⚠️ scaling.none.10x: 82.30 ms (baseline: 45.26 ms, +81.8%) ⚠️ scaling.movingAvg.10x: 7.21 ms (baseline: 1.39 ms, +418.9%) ⚠️ scaling.rdp.10x: 15.14 ms (baseline: 11.54 ms, +31.2%) scaling.none.20x: 81.53 ms (baseline: 83.84 ms, -2.8%) ⚠️ scaling.movingAvg.20x: 2.77 ms (baseline: 1.94 ms, +42.7%) ⚠️ scaling.rdp.20x: 20.03 ms (baseline: 13.90 ms, +44.1%) scaling.none.50x: 287.00 ms (baseline: 305.65 ms, -6.1%) ✓ scaling.movingAvg.50x: 6.69 ms (baseline: 9.35 ms, -28.4%) ✓ scaling.rdp.50x: 69.40 ms (baseline: 85.10 ms, -18.5%) ⚠️ multiseries.movingAvg.1series: 3.61 ms (baseline: 2.28 ms, +58.6%) ✓ multiseries.rdp.1series: 5.78 ms (baseline: 25.78 ms, -77.6%) ✓ multiseries.movingAvg.2series: 2.37 ms (baseline: 6.47 ms, -63.3%) ✓ multiseries.rdp.2series: 19.61 ms (baseline: 24.14 ms, -18.8%) ⚠️ multiseries.movingAvg.3series: 9.32 ms (baseline: 4.66 ms, +100.0%) ⚠️ multiseries.rdp.3series: 50.16 ms (baseline: 25.53 ms, +96.5%) ✓ multiseries.movingAvg.5series: 4.87 ms (baseline: 6.01 ms, -18.8%) multiseries.rdp.5series: 51.40 ms (baseline: 48.80 ms, +5.3%) 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: 43.75 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: 3.961 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: 0.022 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: 0.037 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: 20.01 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: 01:20 min [INFO] Finished at: 2026-10-11T20:10:09Z [INFO] ------------------------------------------------------------------------