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: 2.738 s [INFO] Finished at: 2026-08-11T08:16:40Z [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: 2.669 s [INFO] Finished at: 2026-08-11T08:16:47Z [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 6.8.0-137-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-08-11T06:51:37.015813992Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 08:17:29.730 [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 | 2.89 ms | 4.22 ms | 5.94 ms 1,000 | 10.79 ms | 2.94 ms | 5.86 ms 10,000 | 30.51 ms | 7.08 ms | 4.54 ms 49,871 | 28.14 ms | 3.83 ms | 17.97 ms 97,643 | 56.48 ms | 5.75 ms | 41.68 ms 495,995 | 306.26 ms | 67.73 ms | 72.55 ms 944,282 | 494.82 ms | 164.96 ms | 138.28 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 | 519.9 µs | 2.67 ms | 3.19 ms 10,000 | 5.56 ms | 3.27 ms | 8.83 ms 50,000 | 8.47 ms | 1.23 ms | 9.71 ms 100,000 | 10.95 ms | 774.5 µs | 11.72 ms 500,000 | 43.62 ms | 1.80 ms | 45.42 ms 948,423 | 87.27 ms | 628.2 µs | 87.90 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 | 4.19 ms ( 0.3x) | 1.14 ms ( 0.7x) | 739.9 µs ( 0.5x) 2x | 19,996 | 13.25 ms ( 1.0x) | 3.79 ms ( 2.3x) | 7.32 ms ( 5.1x) 5x | 49,871 | 25.30 ms ( 1.9x) | 3.10 ms ( 1.9x) | 3.70 ms ( 2.6x) 10x | 97,643 | 51.28 ms ( 3.9x) | 7.68 ms ( 4.6x) | 12.38 ms ( 8.7x) 20x | 196,569 | 127.41 ms ( 9.8x) | 10.89 ms ( 6.5x) | 24.47 ms (17.1x) 50x | 495,995 | 290.78 ms (22.4x) | 43.36 ms (26.1x) | 33.38 ms (23.4x) 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 | 184.6 µs | 5 | 1.47 ms 10,000 | 5 | 1.60 ms | 5 | 2.53 ms 97,643 | 5 | 6.02 ms | 5 | 5.24 ms 495,995 | 5 | 63.93 ms | 5 | 91.89 ms 944,282 | 5 | 152.08 ms | 5 | 129.36 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 | 6.48 ms | 7.59 ms 2 | 26.42 ms | 20.55 ms 3 | 17.81 ms | 27.10 ms 5 | 26.50 ms | 47.57 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.89 ms (baseline: 4.64 ms, -37.7%) ⚠️ sparkline.movingAvg.100: 4.22 ms (baseline: 3.21 ms, +31.5%) ⚠️ sparkline.rdp.100: 5.94 ms (baseline: 2.10 ms, +182.4%) ⚠️ sparkline.none.1000: 10.79 ms (baseline: 5.14 ms, +109.9%) ✓ sparkline.movingAvg.1000: 2.94 ms (baseline: 6.76 ms, -56.6%) ⚠️ sparkline.rdp.1000: 5.86 ms (baseline: 3.75 ms, +56.1%) ✓ sparkline.none.10000: 30.51 ms (baseline: 35.31 ms, -13.6%) sparkline.movingAvg.10000: 7.08 ms (baseline: 6.65 ms, +6.6%) ✓ sparkline.rdp.10000: 4.54 ms (baseline: 10.77 ms, -57.9%) ✓ sparkline.none.50000: 28.14 ms (baseline: 44.09 ms, -36.2%) ✓ sparkline.movingAvg.50000: 3.83 ms (baseline: 6.02 ms, -36.3%) ✓ sparkline.rdp.50000: 17.97 ms (baseline: 20.74 ms, -13.3%) sparkline.none.100000: 56.48 ms (baseline: 50.60 ms, +11.6%) ✓ sparkline.movingAvg.100000: 5.75 ms (baseline: 13.59 ms, -57.7%) ⚠️ sparkline.rdp.100000: 41.68 ms (baseline: 12.85 ms, +224.5%) sparkline.none.500000: 306.26 ms (baseline: 321.55 ms, -4.8%) ✓ sparkline.movingAvg.500000: 67.73 ms (baseline: 82.10 ms, -17.5%) ✓ sparkline.rdp.500000: 72.55 ms (baseline: 88.06 ms, -17.6%) sparkline.none.948423: 494.82 ms (baseline: 524.61 ms, -5.7%) ⚠️ sparkline.movingAvg.948423: 164.96 ms (baseline: 121.59 ms, +35.7%) sparkline.rdp.948423: 138.28 ms (baseline: 145.96 ms, -5.3%) windrose.aggregation.1000: 519.9 µs (baseline: 483.8 µs, +7.5%) ⚠️ windrose.draw.1000: 2.67 ms (baseline: 1.68 ms, +58.6%) ⚠️ windrose.aggregation.10000: 5.56 ms (baseline: 3.48 ms, +59.7%) ⚠️ windrose.draw.10000: 3.27 ms (baseline: 1.31 ms, +149.9%) ✓ windrose.aggregation.50000: 8.47 ms (baseline: 16.83 ms, -49.6%) windrose.draw.50000: 1.23 ms (baseline: 1.33 ms, -7.4%) ⚠️ windrose.aggregation.100000: 10.95 ms (baseline: 6.30 ms, +73.8%) ✓ windrose.draw.100000: 774.5 µs (baseline: 879.3 µs, -11.9%) ⚠️ windrose.aggregation.500000: 43.62 ms (baseline: 21.75 ms, +100.6%) ⚠️ windrose.draw.500000: 1.80 ms (baseline: 1.22 ms, +46.8%) ⚠️ windrose.aggregation.948423: 87.27 ms (baseline: 68.87 ms, +26.7%) ✓ windrose.draw.948423: 628.2 µs (baseline: 2.36 ms, -73.4%) ✓ scaling.none.1x: 4.19 ms (baseline: 7.11 ms, -41.0%) ✓ scaling.movingAvg.1x: 1.14 ms (baseline: 1.75 ms, -35.2%) ✓ scaling.rdp.1x: 739.9 µs (baseline: 1.28 ms, -42.0%) scaling.none.2x: 13.25 ms (baseline: 14.32 ms, -7.5%) ⚠️ scaling.movingAvg.2x: 3.79 ms (baseline: 1.31 ms, +188.4%) ⚠️ scaling.rdp.2x: 7.32 ms (baseline: 2.92 ms, +151.1%) ✓ scaling.none.5x: 25.30 ms (baseline: 34.51 ms, -26.7%) ✓ scaling.movingAvg.5x: 3.10 ms (baseline: 9.32 ms, -66.7%) scaling.rdp.5x: 3.70 ms (baseline: 3.75 ms, -1.3%) scaling.none.10x: 51.28 ms (baseline: 44.44 ms, +15.4%) ✓ scaling.movingAvg.10x: 7.68 ms (baseline: 9.24 ms, -16.8%) scaling.rdp.10x: 12.38 ms (baseline: 11.14 ms, +11.1%) ⚠️ scaling.none.20x: 127.41 ms (baseline: 90.48 ms, +40.8%) scaling.movingAvg.20x: 10.89 ms (baseline: 10.30 ms, +5.7%) ⚠️ scaling.rdp.20x: 24.47 ms (baseline: 9.57 ms, +155.7%) scaling.none.50x: 290.78 ms (baseline: 272.77 ms, +6.6%) ✓ scaling.movingAvg.50x: 43.36 ms (baseline: 49.59 ms, -12.6%) scaling.rdp.50x: 33.38 ms (baseline: 35.80 ms, -6.8%) ✓ multiseries.movingAvg.1series: 6.48 ms (baseline: 8.66 ms, -25.2%) multiseries.rdp.1series: 7.59 ms (baseline: 8.41 ms, -9.8%) ⚠️ multiseries.movingAvg.2series: 26.42 ms (baseline: 16.09 ms, +64.2%) ✓ multiseries.rdp.2series: 20.55 ms (baseline: 42.53 ms, -51.7%) multiseries.movingAvg.3series: 17.81 ms (baseline: 15.62 ms, +14.0%) ✓ multiseries.rdp.3series: 27.10 ms (baseline: 40.96 ms, -33.8%) ✓ multiseries.movingAvg.5series: 26.50 ms (baseline: 55.62 ms, -52.4%) ⚠️ multiseries.rdp.5series: 47.57 ms (baseline: 37.09 ms, +28.3%) 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: 46.16 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: 0.057 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: 0.073 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: 21.64 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: 01:20 min [INFO] Finished at: 2026-08-11T08:18:20Z [INFO] ------------------------------------------------------------------------