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: 2.892 s [INFO] Finished at: 2026-06-12T19:49:00Z [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: 2.656 s [INFO] Finished at: 2026-06-12T19:49:06Z [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: 2026-06-12T18:43:38.482784644Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 19:49:43.250 [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 | 4.93 ms | 4.23 ms | 2.64 ms 1,000 | 5.48 ms | 2.40 ms | 4.27 ms 10,000 | 12.46 ms | 3.20 ms | 5.23 ms 49,871 | 45.43 ms | 11.82 ms | 103.52 ms 97,643 | 125.63 ms | 8.54 ms | 7.00 ms 495,995 | 413.44 ms | 39.69 ms | 27.19 ms 944,282 | 594.35 ms | 154.36 ms | 176.51 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 | 3.50 ms | 1.54 ms | 5.05 ms 10,000 | 1.58 ms | 1.95 ms | 3.53 ms 50,000 | 7.84 ms | 1.40 ms | 9.24 ms 100,000 | 7.35 ms | 1.18 ms | 8.54 ms 500,000 | 20.22 ms | 575.8 µs | 20.79 ms 948,423 | 39.98 ms | 613.7 µs | 40.59 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 | 9.44 ms ( 0.8x) | 1.26 ms ( 0.9x) | 1.32 ms ( 1.0x) 2x | 19,996 | 12.65 ms ( 1.0x) | 1.51 ms ( 1.1x) | 813.4 µs ( 0.6x) 5x | 49,871 | 22.59 ms ( 1.8x) | 4.30 ms ( 3.2x) | 5.51 ms ( 4.0x) 10x | 97,643 | 91.35 ms ( 7.3x) | 13.37 ms ( 9.9x) | 5.65 ms ( 4.1x) 20x | 196,569 | 114.51 ms ( 9.2x) | 32.02 ms (23.8x) | 12.54 ms ( 9.2x) 50x | 495,995 | 303.21 ms (24.3x) | 86.94 ms (64.7x) | 20.84 ms (15.3x) 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 | 834.0 µs | 5 | 984.9 µs 10,000 | 5 | 1.24 ms | 5 | 1.15 ms 97,643 | 5 | 5.71 ms | 5 | 9.19 ms 495,995 | 5 | 38.06 ms | 5 | 85.74 ms 944,282 | 5 | 178.46 ms | 5 | 92.90 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 | 14.71 ms | 9.67 ms 2 | 11.43 ms | 21.73 ms 3 | 14.88 ms | 20.40 ms 5 | 25.22 ms | 49.95 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 4.93 ms (baseline: 4.96 ms, -0.6%) sparkline.movingAvg.100: 4.23 ms (baseline: 4.70 ms, -9.8%) sparkline.rdp.100: 2.64 ms (baseline: 2.55 ms, +3.3%) sparkline.none.1000: 5.48 ms (baseline: 5.89 ms, -7.0%) sparkline.movingAvg.1000: 2.40 ms (baseline: 2.26 ms, +6.2%) ⚠️ sparkline.rdp.1000: 4.27 ms (baseline: 3.36 ms, +27.1%) ✓ sparkline.none.10000: 12.46 ms (baseline: 31.44 ms, -60.4%) ✓ sparkline.movingAvg.10000: 3.20 ms (baseline: 4.73 ms, -32.4%) ✓ sparkline.rdp.10000: 5.23 ms (baseline: 10.03 ms, -47.8%) sparkline.none.50000: 45.43 ms (baseline: 46.50 ms, -2.3%) ✓ sparkline.movingAvg.50000: 11.82 ms (baseline: 18.87 ms, -37.4%) ⚠️ sparkline.rdp.50000: 103.52 ms (baseline: 57.61 ms, +79.7%) ⚠️ sparkline.none.100000: 125.63 ms (baseline: 64.55 ms, +94.6%) ✓ sparkline.movingAvg.100000: 8.54 ms (baseline: 37.75 ms, -77.4%) ✓ sparkline.rdp.100000: 7.00 ms (baseline: 10.72 ms, -34.7%) sparkline.none.500000: 413.44 ms (baseline: 381.11 ms, +8.5%) ✓ sparkline.movingAvg.500000: 39.69 ms (baseline: 63.57 ms, -37.6%) ✓ sparkline.rdp.500000: 27.19 ms (baseline: 35.98 ms, -24.4%) sparkline.none.948423: 594.35 ms (baseline: 647.74 ms, -8.2%) sparkline.movingAvg.948423: 154.36 ms (baseline: 162.03 ms, -4.7%) ⚠️ sparkline.rdp.948423: 176.51 ms (baseline: 140.91 ms, +25.3%) ⚠️ windrose.aggregation.1000: 3.50 ms (baseline: 1.94 ms, +80.6%) ✓ windrose.draw.1000: 1.54 ms (baseline: 2.77 ms, -44.3%) windrose.aggregation.10000: 1.58 ms (baseline: 1.54 ms, +2.3%) ✓ windrose.draw.10000: 1.95 ms (baseline: 2.38 ms, -18.1%) ✓ windrose.aggregation.50000: 7.84 ms (baseline: 18.58 ms, -57.8%) ✓ windrose.draw.50000: 1.40 ms (baseline: 1.68 ms, -16.5%) ✓ windrose.aggregation.100000: 7.35 ms (baseline: 13.12 ms, -43.9%) ✓ windrose.draw.100000: 1.18 ms (baseline: 2.15 ms, -45.1%) ✓ windrose.aggregation.500000: 20.22 ms (baseline: 65.87 ms, -69.3%) ✓ windrose.draw.500000: 575.8 µs (baseline: 1.52 ms, -62.0%) ✓ windrose.aggregation.948423: 39.98 ms (baseline: 98.06 ms, -59.2%) windrose.draw.948423: 613.7 µs (baseline: 594.1 µs, +3.3%) ⚠️ scaling.none.1x: 9.44 ms (baseline: 7.35 ms, +28.3%) ⚠️ scaling.movingAvg.1x: 1.26 ms (baseline: 1.02 ms, +24.6%) ⚠️ scaling.rdp.1x: 1.32 ms (baseline: 808.2 µs, +63.9%) ✓ scaling.none.2x: 12.65 ms (baseline: 18.97 ms, -33.3%) scaling.movingAvg.2x: 1.51 ms (baseline: 1.54 ms, -1.7%) scaling.rdp.2x: 813.4 µs (baseline: 852.1 µs, -4.5%) ✓ scaling.none.5x: 22.59 ms (baseline: 30.24 ms, -25.3%) ⚠️ scaling.movingAvg.5x: 4.30 ms (baseline: 2.80 ms, +53.5%) ⚠️ scaling.rdp.5x: 5.51 ms (baseline: 2.49 ms, +121.0%) scaling.none.10x: 91.35 ms (baseline: 87.88 ms, +4.0%) ⚠️ scaling.movingAvg.10x: 13.37 ms (baseline: 5.18 ms, +158.2%) scaling.rdp.10x: 5.65 ms (baseline: 5.00 ms, +12.9%) ✓ scaling.none.20x: 114.51 ms (baseline: 143.25 ms, -20.1%) scaling.movingAvg.20x: 32.02 ms (baseline: 29.72 ms, +7.7%) ✓ scaling.rdp.20x: 12.54 ms (baseline: 27.37 ms, -54.2%) scaling.none.50x: 303.21 ms (baseline: 318.81 ms, -4.9%) ⚠️ scaling.movingAvg.50x: 86.94 ms (baseline: 55.96 ms, +55.4%) ✓ scaling.rdp.50x: 20.84 ms (baseline: 38.52 ms, -45.9%) ⚠️ multiseries.movingAvg.1series: 14.71 ms (baseline: 7.09 ms, +107.5%) ⚠️ multiseries.rdp.1series: 9.67 ms (baseline: 7.34 ms, +31.8%) ✓ multiseries.movingAvg.2series: 11.43 ms (baseline: 19.24 ms, -40.6%) ⚠️ multiseries.rdp.2series: 21.73 ms (baseline: 16.11 ms, +34.9%) ✓ multiseries.movingAvg.3series: 14.88 ms (baseline: 22.21 ms, -33.0%) multiseries.rdp.3series: 20.40 ms (baseline: 17.41 ms, +17.1%) ✓ multiseries.movingAvg.5series: 25.22 ms (baseline: 28.49 ms, -11.5%) ⚠️ multiseries.rdp.5series: 49.95 ms (baseline: 36.15 ms, +38.2%) 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: 47.26 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: 0.048 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: 0.098 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: 20.02 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: 01:18 min [INFO] Finished at: 2026-06-12T19:50:33Z [INFO] ------------------------------------------------------------------------