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=25.1.7 -DgenerateBackupPoms=false -B --no-transfer-progress [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: 2.421 s [INFO] Finished at: 2026-06-13T07:17:50Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1.7 -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress [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 -> 25.1.7 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.491 s [INFO] Finished at: 2026-06-13T07:17:55Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress -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: 2026-06-13T05:43:28.982916513Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:18:28.481 [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 | 1.43 ms | 2.47 ms | 8.67 ms 1,000 | 4.78 ms | 5.36 ms | 4.15 ms 10,000 | 25.16 ms | 2.74 ms | 8.54 ms 49,871 | 45.65 ms | 9.90 ms | 60.84 ms 97,643 | 73.49 ms | 13.70 ms | 8.08 ms 495,995 | 393.69 ms | 43.77 ms | 30.24 ms 944,282 | 616.12 ms | 100.11 ms | 60.12 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 | 408.0 µs | 3.70 ms | 4.10 ms 10,000 | 3.19 ms | 2.54 ms | 5.73 ms 50,000 | 30.44 ms | 2.55 ms | 32.99 ms 100,000 | 19.12 ms | 17.70 ms | 36.82 ms 500,000 | 36.98 ms | 747.4 µs | 37.73 ms 948,423 | 63.27 ms | 1.06 ms | 64.34 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 | 5.41 ms ( 1.2x) | 1.11 ms ( 1.7x) | 1.78 ms ( 2.6x) 2x | 19,996 | 10.89 ms ( 2.5x) | 2.23 ms ( 3.4x) | 985.1 µs ( 1.4x) 5x | 49,871 | 20.60 ms ( 4.7x) | 2.79 ms ( 4.3x) | 1.97 ms ( 2.9x) 10x | 97,643 | 68.00 ms (15.5x) | 5.65 ms ( 8.7x) | 6.01 ms ( 8.8x) 20x | 196,569 | 122.84 ms (28.0x) | 13.32 ms (20.5x) | 7.76 ms (11.4x) 50x | 495,995 | 280.66 ms (64.0x) | 61.20 ms (94.1x) | 21.97 ms (32.3x) 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 | 596.7 µs | 5 | 653.0 µs 10,000 | 5 | 2.64 ms | 5 | 766.6 µs 97,643 | 5 | 5.15 ms | 5 | 3.72 ms 495,995 | 5 | 43.41 ms | 5 | 30.53 ms 944,282 | 5 | 130.23 ms | 5 | 50.57 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 | 8.20 ms | 3.33 ms 2 | 21.39 ms | 16.24 ms 3 | 16.25 ms | 14.28 ms 5 | 30.30 ms | 30.59 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.43 ms (baseline: 2.03 ms, -29.3%) ⚠️ sparkline.movingAvg.100: 2.47 ms (baseline: 1.54 ms, +60.1%) ⚠️ sparkline.rdp.100: 8.67 ms (baseline: 3.06 ms, +183.6%) ✓ sparkline.none.1000: 4.78 ms (baseline: 5.77 ms, -17.1%) ⚠️ sparkline.movingAvg.1000: 5.36 ms (baseline: 3.15 ms, +69.9%) ✓ sparkline.rdp.1000: 4.15 ms (baseline: 4.95 ms, -16.2%) sparkline.none.10000: 25.16 ms (baseline: 23.45 ms, +7.3%) ✓ sparkline.movingAvg.10000: 2.74 ms (baseline: 10.93 ms, -74.9%) ⚠️ sparkline.rdp.10000: 8.54 ms (baseline: 4.70 ms, +81.8%) ✓ sparkline.none.50000: 45.65 ms (baseline: 70.26 ms, -35.0%) ⚠️ sparkline.movingAvg.50000: 9.90 ms (baseline: 3.95 ms, +150.8%) ✓ sparkline.rdp.50000: 60.84 ms (baseline: 83.39 ms, -27.0%) ✓ sparkline.none.100000: 73.49 ms (baseline: 119.33 ms, -38.4%) ⚠️ sparkline.movingAvg.100000: 13.70 ms (baseline: 5.31 ms, +158.2%) ⚠️ sparkline.rdp.100000: 8.08 ms (baseline: 6.14 ms, +31.5%) sparkline.none.500000: 393.69 ms (baseline: 366.04 ms, +7.6%) ✓ sparkline.movingAvg.500000: 43.77 ms (baseline: 58.25 ms, -24.9%) sparkline.rdp.500000: 30.24 ms (baseline: 27.91 ms, +8.4%) sparkline.none.948423: 616.12 ms (baseline: 555.44 ms, +10.9%) ✓ sparkline.movingAvg.948423: 100.11 ms (baseline: 132.41 ms, -24.4%) ✓ sparkline.rdp.948423: 60.12 ms (baseline: 126.50 ms, -52.5%) ✓ windrose.aggregation.1000: 408.0 µs (baseline: 495.5 µs, -17.7%) ⚠️ windrose.draw.1000: 3.70 ms (baseline: 2.40 ms, +54.0%) ⚠️ windrose.aggregation.10000: 3.19 ms (baseline: 1.55 ms, +105.6%) windrose.draw.10000: 2.54 ms (baseline: 2.34 ms, +8.5%) ⚠️ windrose.aggregation.50000: 30.44 ms (baseline: 19.27 ms, +58.0%) ⚠️ windrose.draw.50000: 2.55 ms (baseline: 667.0 µs, +281.8%) ⚠️ windrose.aggregation.100000: 19.12 ms (baseline: 4.55 ms, +320.4%) ⚠️ windrose.draw.100000: 17.70 ms (baseline: 1.08 ms, +1535.0%) ✓ windrose.aggregation.500000: 36.98 ms (baseline: 55.47 ms, -33.3%) ⚠️ windrose.draw.500000: 747.4 µs (baseline: 545.8 µs, +36.9%) windrose.aggregation.948423: 63.27 ms (baseline: 53.69 ms, +17.9%) ⚠️ windrose.draw.948423: 1.06 ms (baseline: 620.0 µs, +71.2%) scaling.none.1x: 5.41 ms (baseline: 6.01 ms, -9.9%) ✓ scaling.movingAvg.1x: 1.11 ms (baseline: 1.73 ms, -35.6%) scaling.rdp.1x: 1.78 ms (baseline: 1.76 ms, +1.7%) ✓ scaling.none.2x: 10.89 ms (baseline: 13.05 ms, -16.6%) ⚠️ scaling.movingAvg.2x: 2.23 ms (baseline: 1.39 ms, +60.0%) scaling.rdp.2x: 985.1 µs (baseline: 1.06 ms, -7.4%) ✓ scaling.none.5x: 20.60 ms (baseline: 71.68 ms, -71.3%) ✓ scaling.movingAvg.5x: 2.79 ms (baseline: 8.59 ms, -67.5%) ✓ scaling.rdp.5x: 1.97 ms (baseline: 6.80 ms, -71.1%) ⚠️ scaling.none.10x: 68.00 ms (baseline: 48.38 ms, +40.6%) ⚠️ scaling.movingAvg.10x: 5.65 ms (baseline: 4.14 ms, +36.5%) ⚠️ scaling.rdp.10x: 6.01 ms (baseline: 3.11 ms, +93.5%) scaling.none.20x: 122.84 ms (baseline: 133.67 ms, -8.1%) ⚠️ scaling.movingAvg.20x: 13.32 ms (baseline: 10.15 ms, +31.2%) scaling.rdp.20x: 7.76 ms (baseline: 8.44 ms, -8.1%) scaling.none.50x: 280.66 ms (baseline: 299.50 ms, -6.3%) scaling.movingAvg.50x: 61.20 ms (baseline: 63.15 ms, -3.1%) scaling.rdp.50x: 21.97 ms (baseline: 20.74 ms, +6.0%) multiseries.movingAvg.1series: 8.20 ms (baseline: 7.35 ms, +11.5%) ✓ multiseries.rdp.1series: 3.33 ms (baseline: 6.62 ms, -49.7%) ⚠️ multiseries.movingAvg.2series: 21.39 ms (baseline: 9.96 ms, +114.9%) ⚠️ multiseries.rdp.2series: 16.24 ms (baseline: 9.22 ms, +76.1%) ✓ multiseries.movingAvg.3series: 16.25 ms (baseline: 24.38 ms, -33.3%) ✓ multiseries.rdp.3series: 14.28 ms (baseline: 25.01 ms, -42.9%) multiseries.movingAvg.5series: 30.30 ms (baseline: 25.89 ms, +17.0%) ✓ multiseries.rdp.5series: 30.59 ms (baseline: 34.25 ms, -10.7%) 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: 41.05 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: 0.032 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: 0.027 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: 19.69 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: 01:11 min [INFO] Finished at: 2026-06-13T07:19:15Z [INFO] ------------------------------------------------------------------------