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: 2.570 s [INFO] Finished at: 2026-04-20T12:26:02Z [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: 2.325 s [INFO] Finished at: 2026-04-20T12:26:07Z [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: 2026-04-20T10:45:52.140469191Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 12:26:35.066 [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 | 5.13 ms | 5.04 ms | 5.87 ms 1,000 | 3.96 ms | 2.35 ms | 3.59 ms 10,000 | 19.18 ms | 2.14 ms | 5.34 ms 49,871 | 73.44 ms | 8.25 ms | 54.83 ms 97,643 | 62.89 ms | 11.69 ms | 5.30 ms 495,995 | 302.51 ms | 34.94 ms | 23.29 ms 944,282 | 527.84 ms | 106.81 ms | 81.40 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 | 426.4 µs | 1.19 ms | 1.62 ms 10,000 | 1.53 ms | 1.50 ms | 3.04 ms 50,000 | 7.73 ms | 966.6 µs | 8.69 ms 100,000 | 15.03 ms | 811.3 µs | 15.84 ms 500,000 | 17.80 ms | 819.2 µs | 18.62 ms 948,423 | 35.73 ms | 1.44 ms | 37.17 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 | 5.69 ms ( 0.5x) | 748.8 µs ( 0.4x) | 637.9 µs ( 0.4x) 2x | 19,996 | 12.04 ms ( 1.0x) | 1.44 ms ( 0.8x) | 879.8 µs ( 0.5x) 5x | 49,871 | 30.80 ms ( 2.4x) | 2.71 ms ( 1.5x) | 4.53 ms ( 2.7x) 10x | 97,643 | 43.51 ms ( 3.5x) | 6.21 ms ( 3.5x) | 3.37 ms ( 2.0x) 20x | 196,569 | 115.89 ms ( 9.2x) | 17.00 ms ( 9.5x) | 8.36 ms ( 5.0x) 50x | 495,995 | 256.57 ms (20.4x) | 39.77 ms (22.2x) | 39.72 ms (24.0x) 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 | 166.7 µs | 5 | 184.5 µs 10,000 | 5 | 1.77 ms | 5 | 746.6 µs 97,643 | 5 | 7.82 ms | 5 | 5.46 ms 495,995 | 5 | 40.70 ms | 5 | 45.53 ms 944,282 | 5 | 89.41 ms | 5 | 59.91 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 | 6.31 ms | 17.16 ms 2 | 10.06 ms | 12.90 ms 3 | 15.42 ms | 13.41 ms 5 | 28.03 ms | 24.07 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 5.13 ms (baseline: 2.82 ms, +81.6%) ⚠️ sparkline.movingAvg.100: 5.04 ms (baseline: 2.60 ms, +93.8%) ⚠️ sparkline.rdp.100: 5.87 ms (baseline: 3.33 ms, +76.3%) ✓ sparkline.none.1000: 3.96 ms (baseline: 6.32 ms, -37.4%) ✓ sparkline.movingAvg.1000: 2.35 ms (baseline: 13.40 ms, -82.5%) ✓ sparkline.rdp.1000: 3.59 ms (baseline: 6.01 ms, -40.4%) sparkline.none.10000: 19.18 ms (baseline: 18.73 ms, +2.4%) ✓ sparkline.movingAvg.10000: 2.14 ms (baseline: 5.69 ms, -62.3%) ✓ sparkline.rdp.10000: 5.34 ms (baseline: 7.88 ms, -32.3%) ⚠️ sparkline.none.50000: 73.44 ms (baseline: 40.09 ms, +83.2%) ⚠️ sparkline.movingAvg.50000: 8.25 ms (baseline: 6.00 ms, +37.4%) sparkline.rdp.50000: 54.83 ms (baseline: 50.71 ms, +8.1%) ✓ sparkline.none.100000: 62.89 ms (baseline: 102.19 ms, -38.5%) ⚠️ sparkline.movingAvg.100000: 11.69 ms (baseline: 5.50 ms, +112.7%) ✓ sparkline.rdp.100000: 5.30 ms (baseline: 7.36 ms, -28.0%) ✓ sparkline.none.500000: 302.51 ms (baseline: 362.17 ms, -16.5%) ⚠️ sparkline.movingAvg.500000: 34.94 ms (baseline: 27.57 ms, +26.7%) ✓ sparkline.rdp.500000: 23.29 ms (baseline: 34.75 ms, -33.0%) sparkline.none.948423: 527.84 ms (baseline: 539.72 ms, -2.2%) ✓ sparkline.movingAvg.948423: 106.81 ms (baseline: 137.79 ms, -22.5%) ⚠️ sparkline.rdp.948423: 81.40 ms (baseline: 44.37 ms, +83.4%) windrose.aggregation.1000: 426.4 µs (baseline: 455.4 µs, -6.4%) ✓ windrose.draw.1000: 1.19 ms (baseline: 1.62 ms, -26.4%) ✓ windrose.aggregation.10000: 1.53 ms (baseline: 4.36 ms, -64.8%) ⚠️ windrose.draw.10000: 1.50 ms (baseline: 977.1 µs, +53.7%) ✓ windrose.aggregation.50000: 7.73 ms (baseline: 9.09 ms, -15.0%) ✓ windrose.draw.50000: 966.6 µs (baseline: 1.16 ms, -16.8%) ⚠️ windrose.aggregation.100000: 15.03 ms (baseline: 4.34 ms, +246.4%) windrose.draw.100000: 811.3 µs (baseline: 686.6 µs, +18.2%) ✓ windrose.aggregation.500000: 17.80 ms (baseline: 34.83 ms, -48.9%) windrose.draw.500000: 819.2 µs (baseline: 711.3 µs, +15.2%) ✓ windrose.aggregation.948423: 35.73 ms (baseline: 43.45 ms, -17.8%) ⚠️ windrose.draw.948423: 1.44 ms (baseline: 679.8 µs, +112.0%) ✓ scaling.none.1x: 5.69 ms (baseline: 12.98 ms, -56.1%) ✓ scaling.movingAvg.1x: 748.8 µs (baseline: 6.42 ms, -88.3%) ✓ scaling.rdp.1x: 637.9 µs (baseline: 1.89 ms, -66.3%) ✓ scaling.none.2x: 12.04 ms (baseline: 15.06 ms, -20.0%) ✓ scaling.movingAvg.2x: 1.44 ms (baseline: 3.99 ms, -64.0%) ✓ scaling.rdp.2x: 879.8 µs (baseline: 1.12 ms, -21.3%) scaling.none.5x: 30.80 ms (baseline: 26.87 ms, +14.6%) ✓ scaling.movingAvg.5x: 2.71 ms (baseline: 6.72 ms, -59.7%) scaling.rdp.5x: 4.53 ms (baseline: 4.54 ms, -0.3%) ✓ scaling.none.10x: 43.51 ms (baseline: 55.38 ms, -21.4%) scaling.movingAvg.10x: 6.21 ms (baseline: 5.52 ms, +12.6%) ✓ scaling.rdp.10x: 3.37 ms (baseline: 9.58 ms, -64.8%) scaling.none.20x: 115.89 ms (baseline: 116.62 ms, -0.6%) ⚠️ scaling.movingAvg.20x: 17.00 ms (baseline: 11.67 ms, +45.7%) scaling.rdp.20x: 8.36 ms (baseline: 8.25 ms, +1.4%) ✓ scaling.none.50x: 256.57 ms (baseline: 304.99 ms, -15.9%) scaling.movingAvg.50x: 39.77 ms (baseline: 39.30 ms, +1.2%) ⚠️ scaling.rdp.50x: 39.72 ms (baseline: 28.44 ms, +39.7%) ⚠️ multiseries.movingAvg.1series: 6.31 ms (baseline: 4.66 ms, +35.4%) ⚠️ multiseries.rdp.1series: 17.16 ms (baseline: 3.27 ms, +424.8%) ✓ multiseries.movingAvg.2series: 10.06 ms (baseline: 17.97 ms, -44.0%) ✓ multiseries.rdp.2series: 12.90 ms (baseline: 17.99 ms, -28.3%) ✓ multiseries.movingAvg.3series: 15.42 ms (baseline: 25.19 ms, -38.8%) multiseries.rdp.3series: 13.41 ms (baseline: 14.40 ms, -6.9%) multiseries.movingAvg.5series: 28.03 ms (baseline: 25.74 ms, +8.9%) ✓ multiseries.rdp.5series: 24.07 ms (baseline: 33.16 ms, -27.4%) 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: 38.34 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: 0.008 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: 0.010 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: 14.35 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: 01:03 min [INFO] Finished at: 2026-04-20T12:27:12Z [INFO] ------------------------------------------------------------------------