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 8144624 deps so that they build also with Spring Boot 404 aka Jackson not Found $ mvn versions:set-property -Dproperty=vaadin.version -DnewVersion=25.1-SNAPSHOT -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.0.1-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 1.0.1-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: 2.646 s [INFO] Finished at: 2026-06-10T11:26:22Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1-SNAPSHOT -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.0.1-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 1.0.1-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:1.0.1-SNAPSHOT -> 25.1-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.510 s [INFO] Finished at: 2026-06-10T11:26:27Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml -DskipPerformanceValidation=true [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.0.1-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 1.0.1-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:1.0.1-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 6.8.0-124-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-06-10T10:31:33.263635349Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 11:27:02.840 [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 | 3.59 ms | 5.77 ms | 1.28 ms 1,000 | 6.43 ms | 2.77 ms | 3.26 ms 10,000 | 25.66 ms | 6.18 ms | 9.18 ms 49,871 | 47.97 ms | 3.27 ms | 12.44 ms 97,643 | 86.41 ms | 16.05 ms | 25.15 ms 495,995 | 354.33 ms | 42.36 ms | 47.38 ms 944,282 | 678.47 ms | 126.81 ms | 208.79 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 | 411.8 µs | 915.9 µs | 1.33 ms 10,000 | 1.58 ms | 2.17 ms | 3.75 ms 50,000 | 7.82 ms | 912.7 µs | 8.73 ms 100,000 | 11.21 ms | 1.16 ms | 12.37 ms 500,000 | 25.06 ms | 696.1 µs | 25.75 ms 948,423 | 35.91 ms | 1.28 ms | 37.20 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 | 16.12 ms ( 2.3x) | 3.10 ms ( 2.8x) | 3.13 ms ( 1.8x) 2x | 19,996 | 21.80 ms ( 3.1x) | 4.55 ms ( 4.2x) | 970.5 µs ( 0.6x) 5x | 49,871 | 36.98 ms ( 5.3x) | 4.77 ms ( 4.4x) | 2.30 ms ( 1.4x) 10x | 97,643 | 44.32 ms ( 6.4x) | 6.46 ms ( 5.9x) | 3.80 ms ( 2.2x) 20x | 196,569 | 141.92 ms (20.4x) | 11.68 ms (10.7x) | 7.24 ms ( 4.2x) 50x | 495,995 | 286.60 ms (41.2x) | 27.88 ms (25.6x) | 25.15 ms (14.7x) 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 | 572.2 µs | 5 | 205.0 µs 10,000 | 5 | 724.6 µs | 5 | 723.3 µs 97,643 | 5 | 4.79 ms | 5 | 3.42 ms 495,995 | 5 | 38.20 ms | 5 | 34.97 ms 944,282 | 5 | 134.28 ms | 5 | 61.16 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 | 10.21 ms | 6.93 ms 2 | 13.35 ms | 32.67 ms 3 | 18.85 ms | 33.46 ms 5 | 29.10 ms | 34.87 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 3.59 ms (baseline: 3.95 ms, -9.0%) ⚠️ sparkline.movingAvg.100: 5.77 ms (baseline: 4.41 ms, +30.7%) ✓ sparkline.rdp.100: 1.28 ms (baseline: 3.97 ms, -67.7%) ⚠️ sparkline.none.1000: 6.43 ms (baseline: 5.04 ms, +27.5%) ⚠️ sparkline.movingAvg.1000: 2.77 ms (baseline: 2.06 ms, +34.7%) ⚠️ sparkline.rdp.1000: 3.26 ms (baseline: 2.03 ms, +61.0%) ⚠️ sparkline.none.10000: 25.66 ms (baseline: 19.01 ms, +35.0%) ⚠️ sparkline.movingAvg.10000: 6.18 ms (baseline: 3.35 ms, +84.6%) ⚠️ sparkline.rdp.10000: 9.18 ms (baseline: 4.86 ms, +88.9%) ⚠️ sparkline.none.50000: 47.97 ms (baseline: 36.47 ms, +31.5%) ✓ sparkline.movingAvg.50000: 3.27 ms (baseline: 6.20 ms, -47.2%) ✓ sparkline.rdp.50000: 12.44 ms (baseline: 69.14 ms, -82.0%) ⚠️ sparkline.none.100000: 86.41 ms (baseline: 69.57 ms, +24.2%) ⚠️ sparkline.movingAvg.100000: 16.05 ms (baseline: 7.28 ms, +120.5%) ⚠️ sparkline.rdp.100000: 25.15 ms (baseline: 16.74 ms, +50.2%) sparkline.none.500000: 354.33 ms (baseline: 393.23 ms, -9.9%) sparkline.movingAvg.500000: 42.36 ms (baseline: 40.12 ms, +5.6%) ⚠️ sparkline.rdp.500000: 47.38 ms (baseline: 21.80 ms, +117.3%) sparkline.none.948423: 678.47 ms (baseline: 631.67 ms, +7.4%) sparkline.movingAvg.948423: 126.81 ms (baseline: 133.76 ms, -5.2%) ✓ sparkline.rdp.948423: 208.79 ms (baseline: 240.85 ms, -13.3%) windrose.aggregation.1000: 411.8 µs (baseline: 433.7 µs, -5.1%) windrose.draw.1000: 915.9 µs (baseline: 845.4 µs, +8.3%) windrose.aggregation.10000: 1.58 ms (baseline: 1.53 ms, +3.4%) windrose.draw.10000: 2.17 ms (baseline: 1.85 ms, +17.3%) ✓ windrose.aggregation.50000: 7.82 ms (baseline: 10.49 ms, -25.4%) windrose.draw.50000: 912.7 µs (baseline: 879.2 µs, +3.8%) ✓ windrose.aggregation.100000: 11.21 ms (baseline: 19.17 ms, -41.5%) ✓ windrose.draw.100000: 1.16 ms (baseline: 1.47 ms, -21.2%) ✓ windrose.aggregation.500000: 25.06 ms (baseline: 36.48 ms, -31.3%) ✓ windrose.draw.500000: 696.1 µs (baseline: 2.47 ms, -71.8%) ⚠️ windrose.aggregation.948423: 35.91 ms (baseline: 28.98 ms, +23.9%) ⚠️ windrose.draw.948423: 1.28 ms (baseline: 926.9 µs, +38.4%) ⚠️ scaling.none.1x: 16.12 ms (baseline: 10.52 ms, +53.2%) ⚠️ scaling.movingAvg.1x: 3.10 ms (baseline: 2.22 ms, +39.3%) ⚠️ scaling.rdp.1x: 3.13 ms (baseline: 597.3 µs, +424.8%) ⚠️ scaling.none.2x: 21.80 ms (baseline: 17.58 ms, +24.0%) ⚠️ scaling.movingAvg.2x: 4.55 ms (baseline: 2.40 ms, +89.7%) ✓ scaling.rdp.2x: 970.5 µs (baseline: 2.15 ms, -54.8%) scaling.none.5x: 36.98 ms (baseline: 35.10 ms, +5.4%) scaling.movingAvg.5x: 4.77 ms (baseline: 4.90 ms, -2.7%) ✓ scaling.rdp.5x: 2.30 ms (baseline: 2.70 ms, -14.7%) ✓ scaling.none.10x: 44.32 ms (baseline: 57.19 ms, -22.5%) ✓ scaling.movingAvg.10x: 6.46 ms (baseline: 16.75 ms, -61.4%) ✓ scaling.rdp.10x: 3.80 ms (baseline: 13.18 ms, -71.2%) ⚠️ scaling.none.20x: 141.92 ms (baseline: 110.07 ms, +28.9%) ✓ scaling.movingAvg.20x: 11.68 ms (baseline: 15.17 ms, -23.0%) ✓ scaling.rdp.20x: 7.24 ms (baseline: 10.71 ms, -32.4%) scaling.none.50x: 286.60 ms (baseline: 274.97 ms, +4.2%) ✓ scaling.movingAvg.50x: 27.88 ms (baseline: 42.56 ms, -34.5%) ✓ scaling.rdp.50x: 25.15 ms (baseline: 32.93 ms, -23.6%) ✓ multiseries.movingAvg.1series: 10.21 ms (baseline: 21.58 ms, -52.7%) multiseries.rdp.1series: 6.93 ms (baseline: 7.55 ms, -8.2%) ✓ multiseries.movingAvg.2series: 13.35 ms (baseline: 16.59 ms, -19.6%) ⚠️ multiseries.rdp.2series: 32.67 ms (baseline: 17.11 ms, +91.0%) ⚠️ multiseries.movingAvg.3series: 18.85 ms (baseline: 15.65 ms, +20.4%) ⚠️ multiseries.rdp.3series: 33.46 ms (baseline: 16.75 ms, +99.7%) multiseries.movingAvg.5series: 29.10 ms (baseline: 31.30 ms, -7.0%) ✓ multiseries.rdp.5series: 34.87 ms (baseline: 39.91 ms, -12.6%) 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: 44.86 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: 0.023 s -- in org.vaadin.svgvis.unit.WindRoseTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineTest [INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.023 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: 18.56 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 23, 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-1.0.1-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:13 min [INFO] Finished at: 2026-06-10T11:27:50Z [INFO] ------------------------------------------------------------------------