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=25.2-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: 2.826 s [INFO] Finished at: 2026-06-12T16:09:06Z [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 [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 -> 25.2-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.586 s [INFO] Finished at: 2026-06-12T16:09:11Z [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: 2026-06-12T14:11:15.703742829Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 16:09:46.057 [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 | 3.92 ms | 4.49 ms | 4.50 ms 1,000 | 7.69 ms | 2.34 ms | 1.50 ms 10,000 | 13.78 ms | 5.61 ms | 8.74 ms 49,871 | 42.07 ms | 2.85 ms | 76.71 ms 97,643 | 77.37 ms | 7.99 ms | 12.04 ms 495,995 | 386.46 ms | 30.07 ms | 100.46 ms 944,282 | 691.45 ms | 121.47 ms | 134.77 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 | 471.1 µs | 1.97 ms | 2.44 ms 10,000 | 2.05 ms | 3.72 ms | 5.77 ms 50,000 | 24.27 ms | 2.20 ms | 26.47 ms 100,000 | 7.26 ms | 1.74 ms | 9.00 ms 500,000 | 46.75 ms | 3.26 ms | 50.01 ms 948,423 | 83.58 ms | 2.03 ms | 85.61 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 | 7.23 ms ( 0.9x) | 3.38 ms ( 2.5x) | 3.20 ms ( 3.8x) 2x | 19,996 | 24.59 ms ( 3.1x) | 1.71 ms ( 1.2x) | 1.47 ms ( 1.8x) 5x | 49,871 | 61.09 ms ( 7.8x) | 8.38 ms ( 6.1x) | 6.68 ms ( 8.0x) 10x | 97,643 | 49.52 ms ( 6.3x) | 8.91 ms ( 6.5x) | 5.24 ms ( 6.3x) 20x | 196,569 | 142.28 ms (18.1x) | 14.14 ms (10.3x) | 8.44 ms (10.1x) 50x | 495,995 | 294.96 ms (37.5x) | 69.53 ms (50.5x) | 29.86 ms (35.7x) 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 | 158.7 µs | 5 | 434.8 µs 10,000 | 5 | 1.73 ms | 5 | 900.6 µs 97,643 | 5 | 8.60 ms | 5 | 39.31 ms 495,995 | 5 | 46.32 ms | 5 | 33.91 ms 944,282 | 5 | 122.33 ms | 5 | 65.90 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 | 10.22 ms | 15.65 ms 2 | 10.14 ms | 9.60 ms 3 | 18.67 ms | 18.53 ms 5 | 28.04 ms | 36.85 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 3.92 ms (baseline: 3.59 ms, +9.2%) ⚠️ sparkline.movingAvg.100: 4.49 ms (baseline: 2.23 ms, +101.0%) sparkline.rdp.100: 4.50 ms (baseline: 4.59 ms, -2.0%) ⚠️ sparkline.none.1000: 7.69 ms (baseline: 6.24 ms, +23.2%) sparkline.movingAvg.1000: 2.34 ms (baseline: 2.52 ms, -7.3%) ✓ sparkline.rdp.1000: 1.50 ms (baseline: 8.54 ms, -82.5%) ✓ sparkline.none.10000: 13.78 ms (baseline: 33.42 ms, -58.8%) ✓ sparkline.movingAvg.10000: 5.61 ms (baseline: 6.85 ms, -18.1%) ✓ sparkline.rdp.10000: 8.74 ms (baseline: 21.31 ms, -59.0%) ✓ sparkline.none.50000: 42.07 ms (baseline: 59.71 ms, -29.5%) ✓ sparkline.movingAvg.50000: 2.85 ms (baseline: 7.22 ms, -60.6%) ⚠️ sparkline.rdp.50000: 76.71 ms (baseline: 20.67 ms, +271.2%) sparkline.none.100000: 77.37 ms (baseline: 78.64 ms, -1.6%) ⚠️ sparkline.movingAvg.100000: 7.99 ms (baseline: 6.00 ms, +33.3%) ⚠️ sparkline.rdp.100000: 12.04 ms (baseline: 8.33 ms, +44.6%) sparkline.none.500000: 386.46 ms (baseline: 378.61 ms, +2.1%) ✓ sparkline.movingAvg.500000: 30.07 ms (baseline: 35.50 ms, -15.3%) ⚠️ sparkline.rdp.500000: 100.46 ms (baseline: 32.31 ms, +211.0%) sparkline.none.948423: 691.45 ms (baseline: 649.01 ms, +6.5%) sparkline.movingAvg.948423: 121.47 ms (baseline: 126.90 ms, -4.3%) ✓ sparkline.rdp.948423: 134.77 ms (baseline: 154.82 ms, -13.0%) windrose.aggregation.1000: 471.1 µs (baseline: 408.1 µs, +15.4%) ⚠️ windrose.draw.1000: 1.97 ms (baseline: 1.18 ms, +67.0%) ✓ windrose.aggregation.10000: 2.05 ms (baseline: 6.09 ms, -66.4%) ⚠️ windrose.draw.10000: 3.72 ms (baseline: 1.37 ms, +171.8%) ⚠️ windrose.aggregation.50000: 24.27 ms (baseline: 8.95 ms, +171.3%) ⚠️ windrose.draw.50000: 2.20 ms (baseline: 686.0 µs, +220.2%) ⚠️ windrose.aggregation.100000: 7.26 ms (baseline: 5.42 ms, +33.9%) ✓ windrose.draw.100000: 1.74 ms (baseline: 2.48 ms, -30.0%) ⚠️ windrose.aggregation.500000: 46.75 ms (baseline: 34.81 ms, +34.3%) ⚠️ windrose.draw.500000: 3.26 ms (baseline: 592.3 µs, +450.1%) ⚠️ windrose.aggregation.948423: 83.58 ms (baseline: 63.74 ms, +31.1%) ⚠️ windrose.draw.948423: 2.03 ms (baseline: 682.7 µs, +197.5%) ✓ scaling.none.1x: 7.23 ms (baseline: 9.73 ms, -25.7%) ⚠️ scaling.movingAvg.1x: 3.38 ms (baseline: 1.63 ms, +107.1%) ⚠️ scaling.rdp.1x: 3.20 ms (baseline: 2.07 ms, +54.6%) ⚠️ scaling.none.2x: 24.59 ms (baseline: 20.20 ms, +21.7%) scaling.movingAvg.2x: 1.71 ms (baseline: 1.69 ms, +1.2%) scaling.rdp.2x: 1.47 ms (baseline: 1.49 ms, -1.0%) ⚠️ scaling.none.5x: 61.09 ms (baseline: 26.29 ms, +132.3%) ⚠️ scaling.movingAvg.5x: 8.38 ms (baseline: 4.14 ms, +102.1%) ⚠️ scaling.rdp.5x: 6.68 ms (baseline: 2.08 ms, +220.7%) scaling.none.10x: 49.52 ms (baseline: 53.08 ms, -6.7%) ⚠️ scaling.movingAvg.10x: 8.91 ms (baseline: 4.03 ms, +121.2%) ✓ scaling.rdp.10x: 5.24 ms (baseline: 6.48 ms, -19.2%) scaling.none.20x: 142.28 ms (baseline: 133.07 ms, +6.9%) ⚠️ scaling.movingAvg.20x: 14.14 ms (baseline: 9.78 ms, +44.6%) scaling.rdp.20x: 8.44 ms (baseline: 7.15 ms, +18.1%) scaling.none.50x: 294.96 ms (baseline: 299.90 ms, -1.6%) ⚠️ scaling.movingAvg.50x: 69.53 ms (baseline: 30.11 ms, +130.9%) ✓ scaling.rdp.50x: 29.86 ms (baseline: 64.06 ms, -53.4%) ⚠️ multiseries.movingAvg.1series: 10.22 ms (baseline: 6.75 ms, +51.4%) ⚠️ multiseries.rdp.1series: 15.65 ms (baseline: 5.53 ms, +183.2%) ✓ multiseries.movingAvg.2series: 10.14 ms (baseline: 16.53 ms, -38.7%) ✓ multiseries.rdp.2series: 9.60 ms (baseline: 31.17 ms, -69.2%) multiseries.movingAvg.3series: 18.67 ms (baseline: 20.72 ms, -9.9%) ⚠️ multiseries.rdp.3series: 18.53 ms (baseline: 15.22 ms, +21.8%) ⚠️ multiseries.movingAvg.5series: 28.04 ms (baseline: 20.96 ms, +33.7%) multiseries.rdp.5series: 36.85 ms (baseline: 39.29 ms, -6.2%) 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: 45.18 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: 0.025 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: 0.031 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: 20.88 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: 01:16 min [INFO] Finished at: 2026-06-12T16:10:36Z [INFO] ------------------------------------------------------------------------