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=25.0-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: 2.181 s [INFO] Finished at: 2026-04-25T09:23:54Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.0-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 -> 25.0-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.058 s [INFO] Finished at: 2026-04-25T09:23:59Z [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 6.8.0-110-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-04-25T07:42:26.041755548Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 09:24:20.230 [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 | 1.67 ms | 1.54 ms | 1.86 ms 1,000 | 2.94 ms | 1.64 ms | 1.59 ms 10,000 | 9.95 ms | 2.86 ms | 3.62 ms 49,871 | 31.02 ms | 2.94 ms | 54.50 ms 97,643 | 46.21 ms | 15.31 ms | 11.06 ms 495,995 | 250.45 ms | 27.41 ms | 19.37 ms 944,282 | 431.51 ms | 94.93 ms | 114.92 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 | 410.6 µs | 898.2 µs | 1.31 ms 10,000 | 1.49 ms | 825.2 µs | 2.31 ms 50,000 | 7.12 ms | 1.07 ms | 8.19 ms 100,000 | 7.23 ms | 897.9 µs | 8.13 ms 500,000 | 18.03 ms | 596.1 µs | 18.63 ms 948,423 | 36.69 ms | 2.21 ms | 38.90 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 | 4.77 ms ( 0.9x) | 634.1 µs ( 0.8x) | 560.8 µs ( 0.7x) 2x | 19,996 | 8.10 ms ( 1.5x) | 1.15 ms ( 1.4x) | 860.5 µs ( 1.1x) 5x | 49,871 | 21.71 ms ( 4.0x) | 2.85 ms ( 3.4x) | 2.11 ms ( 2.6x) 10x | 97,643 | 40.86 ms ( 7.6x) | 6.61 ms ( 7.9x) | 4.11 ms ( 5.1x) 20x | 196,569 | 94.57 ms (17.5x) | 9.73 ms (11.6x) | 9.78 ms (12.2x) 50x | 495,995 | 216.84 ms (40.2x) | 30.58 ms (36.4x) | 19.33 ms (24.1x) 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 | 141.3 µs | 5 | 273.5 µs 10,000 | 5 | 702.4 µs | 5 | 748.1 µs 97,643 | 5 | 4.60 ms | 5 | 3.38 ms 495,995 | 5 | 26.89 ms | 5 | 31.87 ms 944,282 | 5 | 78.38 ms | 5 | 55.43 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 | 6.16 ms | 3.27 ms 2 | 11.22 ms | 15.03 ms 3 | 13.75 ms | 16.23 ms 5 | 20.49 ms | 23.42 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 1.67 ms (baseline: 1.17 ms, +43.6%) ✓ sparkline.movingAvg.100: 1.54 ms (baseline: 2.27 ms, -32.2%) ✓ sparkline.rdp.100: 1.86 ms (baseline: 3.25 ms, -42.8%) sparkline.none.1000: 2.94 ms (baseline: 3.02 ms, -2.5%) ✓ sparkline.movingAvg.1000: 1.64 ms (baseline: 2.03 ms, -19.2%) ✓ sparkline.rdp.1000: 1.59 ms (baseline: 2.44 ms, -34.9%) ✓ sparkline.none.10000: 9.95 ms (baseline: 18.73 ms, -46.9%) ✓ sparkline.movingAvg.10000: 2.86 ms (baseline: 3.55 ms, -19.4%) ✓ sparkline.rdp.10000: 3.62 ms (baseline: 5.13 ms, -29.4%) sparkline.none.50000: 31.02 ms (baseline: 33.14 ms, -6.4%) ✓ sparkline.movingAvg.50000: 2.94 ms (baseline: 6.63 ms, -55.6%) ⚠️ sparkline.rdp.50000: 54.50 ms (baseline: 23.87 ms, +128.3%) sparkline.none.100000: 46.21 ms (baseline: 48.32 ms, -4.4%) ⚠️ sparkline.movingAvg.100000: 15.31 ms (baseline: 4.83 ms, +217.1%) sparkline.rdp.100000: 11.06 ms (baseline: 9.23 ms, +19.8%) sparkline.none.500000: 250.45 ms (baseline: 251.84 ms, -0.6%) ✓ sparkline.movingAvg.500000: 27.41 ms (baseline: 35.41 ms, -22.6%) ✓ sparkline.rdp.500000: 19.37 ms (baseline: 48.87 ms, -60.4%) sparkline.none.948423: 431.51 ms (baseline: 453.30 ms, -4.8%) sparkline.movingAvg.948423: 94.93 ms (baseline: 95.20 ms, -0.3%) ⚠️ sparkline.rdp.948423: 114.92 ms (baseline: 90.42 ms, +27.1%) ✓ windrose.aggregation.1000: 410.6 µs (baseline: 3.59 ms, -88.5%) windrose.draw.1000: 898.2 µs (baseline: 917.9 µs, -2.1%) ✓ windrose.aggregation.10000: 1.49 ms (baseline: 1.73 ms, -14.0%) windrose.draw.10000: 825.2 µs (baseline: 779.4 µs, +5.9%) windrose.aggregation.50000: 7.12 ms (baseline: 7.44 ms, -4.2%) ⚠️ windrose.draw.50000: 1.07 ms (baseline: 615.7 µs, +73.1%) windrose.aggregation.100000: 7.23 ms (baseline: 7.92 ms, -8.7%) windrose.draw.100000: 897.9 µs (baseline: 826.3 µs, +8.7%) ✓ windrose.aggregation.500000: 18.03 ms (baseline: 22.39 ms, -19.5%) windrose.draw.500000: 596.1 µs (baseline: 576.4 µs, +3.4%) windrose.aggregation.948423: 36.69 ms (baseline: 38.41 ms, -4.5%) ⚠️ windrose.draw.948423: 2.21 ms (baseline: 1.38 ms, +59.9%) scaling.none.1x: 4.77 ms (baseline: 5.10 ms, -6.5%) ✓ scaling.movingAvg.1x: 634.1 µs (baseline: 715.3 µs, -11.3%) ✓ scaling.rdp.1x: 560.8 µs (baseline: 634.0 µs, -11.5%) ✓ scaling.none.2x: 8.10 ms (baseline: 9.84 ms, -17.8%) scaling.movingAvg.2x: 1.15 ms (baseline: 1.07 ms, +7.1%) scaling.rdp.2x: 860.5 µs (baseline: 913.0 µs, -5.8%) scaling.none.5x: 21.71 ms (baseline: 21.20 ms, +2.4%) ✓ scaling.movingAvg.5x: 2.85 ms (baseline: 4.16 ms, -31.5%) ✓ scaling.rdp.5x: 2.11 ms (baseline: 4.51 ms, -53.2%) ✓ scaling.none.10x: 40.86 ms (baseline: 47.35 ms, -13.7%) ⚠️ scaling.movingAvg.10x: 6.61 ms (baseline: 4.74 ms, +39.4%) scaling.rdp.10x: 4.11 ms (baseline: 3.78 ms, +8.8%) scaling.none.20x: 94.57 ms (baseline: 91.31 ms, +3.6%) ✓ scaling.movingAvg.20x: 9.73 ms (baseline: 13.13 ms, -25.9%) ⚠️ scaling.rdp.20x: 9.78 ms (baseline: 7.10 ms, +37.7%) scaling.none.50x: 216.84 ms (baseline: 222.58 ms, -2.6%) ✓ scaling.movingAvg.50x: 30.58 ms (baseline: 37.52 ms, -18.5%) scaling.rdp.50x: 19.33 ms (baseline: 19.42 ms, -0.4%) multiseries.movingAvg.1series: 6.16 ms (baseline: 6.32 ms, -2.5%) ✓ multiseries.rdp.1series: 3.27 ms (baseline: 6.29 ms, -48.1%) ⚠️ multiseries.movingAvg.2series: 11.22 ms (baseline: 8.39 ms, +33.8%) multiseries.rdp.2series: 15.03 ms (baseline: 12.58 ms, +19.5%) multiseries.movingAvg.3series: 13.75 ms (baseline: 13.71 ms, +0.3%) multiseries.rdp.3series: 16.23 ms (baseline: 13.96 ms, +16.3%) ✓ multiseries.movingAvg.5series: 20.49 ms (baseline: 26.81 ms, -23.6%) multiseries.rdp.5series: 23.42 ms (baseline: 24.75 ms, -5.4%) 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: 31.56 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: 0.018 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: 0.009 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: 11.98 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: 50.526 s [INFO] Finished at: 2026-04-25T09:24:51Z [INFO] ------------------------------------------------------------------------