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: 2.775 s [INFO] Finished at: 2026-06-10T05:43:58Z [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: 1.991 s [INFO] Finished at: 2026-06-10T05:44:02Z [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: 2026-06-10T04:36:11.602641533Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 05:44:37.448 [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 | 2.38 ms | 3.45 ms | 5.80 ms 1,000 | 4.18 ms | 5.68 ms | 3.21 ms 10,000 | 21.11 ms | 3.29 ms | 7.44 ms 49,871 | 62.01 ms | 5.63 ms | 81.75 ms 97,643 | 73.37 ms | 12.75 ms | 12.58 ms 495,995 | 358.14 ms | 37.04 ms | 25.93 ms 944,282 | 652.27 ms | 129.30 ms | 122.61 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 | 522.1 µs | 2.62 ms | 3.14 ms 10,000 | 5.44 ms | 2.64 ms | 8.07 ms 50,000 | 13.66 ms | 2.35 ms | 16.01 ms 100,000 | 10.31 ms | 2.43 ms | 12.74 ms 500,000 | 48.05 ms | 2.53 ms | 50.58 ms 948,423 | 41.25 ms | 589.7 µs | 41.84 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 | 9.81 ms ( 0.4x) | 1.11 ms ( 1.5x) | 1.27 ms ( 1.3x) 2x | 19,996 | 32.64 ms ( 1.3x) | 3.53 ms ( 4.6x) | 1.22 ms ( 1.2x) 5x | 49,871 | 38.58 ms ( 1.6x) | 4.23 ms ( 5.6x) | 3.10 ms ( 3.0x) 10x | 97,643 | 69.72 ms ( 2.8x) | 9.65 ms (12.7x) | 11.31 ms (11.1x) 20x | 196,569 | 126.82 ms ( 5.1x) | 12.57 ms (16.5x) | 14.71 ms (14.5x) 50x | 495,995 | 426.74 ms (17.2x) | 42.71 ms (56.2x) | 63.77 ms (62.7x) 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 | 234.2 µs | 5 | 190.7 µs 10,000 | 5 | 609.5 µs | 5 | 446.4 µs 97,643 | 5 | 4.66 ms | 5 | 3.35 ms 495,995 | 5 | 65.64 ms | 5 | 67.75 ms 944,282 | 5 | 109.26 ms | 5 | 84.13 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 | 9.93 ms | 13.22 ms 2 | 13.18 ms | 14.99 ms 3 | 18.84 ms | 15.86 ms 5 | 22.43 ms | 29.56 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.38 ms (baseline: 3.41 ms, -30.1%) sparkline.movingAvg.100: 3.45 ms (baseline: 3.55 ms, -2.6%) ⚠️ sparkline.rdp.100: 5.80 ms (baseline: 2.83 ms, +104.6%) ✓ sparkline.none.1000: 4.18 ms (baseline: 9.36 ms, -55.3%) ⚠️ sparkline.movingAvg.1000: 5.68 ms (baseline: 2.88 ms, +96.9%) ✓ sparkline.rdp.1000: 3.21 ms (baseline: 7.61 ms, -57.9%) ✓ sparkline.none.10000: 21.11 ms (baseline: 23.98 ms, -12.0%) ✓ sparkline.movingAvg.10000: 3.29 ms (baseline: 8.15 ms, -59.6%) ⚠️ sparkline.rdp.10000: 7.44 ms (baseline: 3.87 ms, +92.0%) sparkline.none.50000: 62.01 ms (baseline: 55.97 ms, +10.8%) ⚠️ sparkline.movingAvg.50000: 5.63 ms (baseline: 3.90 ms, +44.2%) ⚠️ sparkline.rdp.50000: 81.75 ms (baseline: 57.50 ms, +42.2%) ✓ sparkline.none.100000: 73.37 ms (baseline: 84.98 ms, -13.7%) ✓ sparkline.movingAvg.100000: 12.75 ms (baseline: 15.17 ms, -15.9%) ✓ sparkline.rdp.100000: 12.58 ms (baseline: 15.07 ms, -16.5%) sparkline.none.500000: 358.14 ms (baseline: 313.39 ms, +14.3%) sparkline.movingAvg.500000: 37.04 ms (baseline: 40.91 ms, -9.5%) sparkline.rdp.500000: 25.93 ms (baseline: 28.76 ms, -9.8%) sparkline.none.948423: 652.27 ms (baseline: 597.08 ms, +9.2%) sparkline.movingAvg.948423: 129.30 ms (baseline: 115.68 ms, +11.8%) ✓ sparkline.rdp.948423: 122.61 ms (baseline: 139.18 ms, -11.9%) ⚠️ windrose.aggregation.1000: 522.1 µs (baseline: 424.1 µs, +23.1%) ⚠️ windrose.draw.1000: 2.62 ms (baseline: 1.28 ms, +104.2%) ⚠️ windrose.aggregation.10000: 5.44 ms (baseline: 1.55 ms, +250.7%) ⚠️ windrose.draw.10000: 2.64 ms (baseline: 1.43 ms, +84.5%) ⚠️ windrose.aggregation.50000: 13.66 ms (baseline: 9.00 ms, +51.7%) ⚠️ windrose.draw.50000: 2.35 ms (baseline: 1.51 ms, +55.2%) ⚠️ windrose.aggregation.100000: 10.31 ms (baseline: 8.25 ms, +25.0%) ⚠️ windrose.draw.100000: 2.43 ms (baseline: 1.01 ms, +140.8%) ⚠️ windrose.aggregation.500000: 48.05 ms (baseline: 27.88 ms, +72.4%) ⚠️ windrose.draw.500000: 2.53 ms (baseline: 755.8 µs, +234.9%) ✓ windrose.aggregation.948423: 41.25 ms (baseline: 46.67 ms, -11.6%) ✓ windrose.draw.948423: 589.7 µs (baseline: 690.2 µs, -14.6%) ✓ scaling.none.1x: 9.81 ms (baseline: 28.41 ms, -65.5%) ⚠️ scaling.movingAvg.1x: 1.11 ms (baseline: 680.9 µs, +63.0%) ⚠️ scaling.rdp.1x: 1.27 ms (baseline: 625.8 µs, +103.5%) ⚠️ scaling.none.2x: 32.64 ms (baseline: 16.28 ms, +100.6%) ⚠️ scaling.movingAvg.2x: 3.53 ms (baseline: 2.58 ms, +36.9%) ✓ scaling.rdp.2x: 1.22 ms (baseline: 2.20 ms, -44.3%) scaling.none.5x: 38.58 ms (baseline: 35.45 ms, +8.8%) ✓ scaling.movingAvg.5x: 4.23 ms (baseline: 7.19 ms, -41.1%) ✓ scaling.rdp.5x: 3.10 ms (baseline: 4.96 ms, -37.5%) ⚠️ scaling.none.10x: 69.72 ms (baseline: 48.60 ms, +43.5%) scaling.movingAvg.10x: 9.65 ms (baseline: 9.58 ms, +0.8%) ⚠️ scaling.rdp.10x: 11.31 ms (baseline: 5.27 ms, +114.8%) scaling.none.20x: 126.82 ms (baseline: 129.22 ms, -1.9%) scaling.movingAvg.20x: 12.57 ms (baseline: 11.27 ms, +11.5%) ⚠️ scaling.rdp.20x: 14.71 ms (baseline: 9.54 ms, +54.1%) ⚠️ scaling.none.50x: 426.74 ms (baseline: 329.41 ms, +29.5%) ⚠️ scaling.movingAvg.50x: 42.71 ms (baseline: 33.79 ms, +26.4%) ⚠️ scaling.rdp.50x: 63.77 ms (baseline: 19.09 ms, +234.1%) ✓ multiseries.movingAvg.1series: 9.93 ms (baseline: 11.04 ms, -10.1%) ⚠️ multiseries.rdp.1series: 13.22 ms (baseline: 10.56 ms, +25.2%) multiseries.movingAvg.2series: 13.18 ms (baseline: 13.69 ms, -3.7%) multiseries.rdp.2series: 14.99 ms (baseline: 14.28 ms, +5.0%) multiseries.movingAvg.3series: 18.84 ms (baseline: 16.51 ms, +14.1%) ✓ multiseries.rdp.3series: 15.86 ms (baseline: 24.12 ms, -34.2%) ✓ multiseries.movingAvg.5series: 22.43 ms (baseline: 30.60 ms, -26.7%) multiseries.rdp.5series: 29.56 ms (baseline: 30.64 ms, -3.5%) 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: 45.37 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: 0.014 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: 0.018 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: 19.30 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: 01:15 min [INFO] Finished at: 2026-06-10T05:45:26Z [INFO] ------------------------------------------------------------------------