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: 2.149 s [INFO] Finished at: 2026-04-23T00:27:58Z [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: 1.954 s [INFO] Finished at: 2026-04-23T00:28:02Z [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: 2026-04-22T22:27:53.062304595Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 00:28:25.652 [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 | 1.17 ms | 1.78 ms | 2.31 ms 1,000 | 4.39 ms | 1.92 ms | 2.58 ms 10,000 | 19.07 ms | 1.87 ms | 6.31 ms 49,871 | 23.39 ms | 3.14 ms | 48.85 ms 97,643 | 54.35 ms | 7.79 ms | 6.51 ms 495,995 | 253.66 ms | 30.53 ms | 22.15 ms 944,282 | 444.31 ms | 93.56 ms | 60.45 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 | 397.6 µs | 934.1 µs | 1.33 ms 10,000 | 1.62 ms | 744.1 µs | 2.36 ms 50,000 | 7.17 ms | 677.9 µs | 7.85 ms 100,000 | 3.97 ms | 670.8 µs | 4.64 ms 500,000 | 22.84 ms | 521.9 µs | 23.36 ms 948,423 | 40.16 ms | 7.44 ms | 47.60 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 | 4.83 ms ( 0.8x) | 649.0 µs ( 0.9x) | 503.6 µs ( 0.7x) 2x | 19,996 | 10.33 ms ( 1.7x) | 1.25 ms ( 1.8x) | 880.2 µs ( 1.2x) 5x | 49,871 | 22.36 ms ( 3.6x) | 3.13 ms ( 4.4x) | 2.81 ms ( 3.8x) 10x | 97,643 | 41.07 ms ( 6.6x) | 4.96 ms ( 7.0x) | 3.17 ms ( 4.3x) 20x | 196,569 | 92.53 ms (14.8x) | 13.39 ms (18.9x) | 10.89 ms (14.6x) 50x | 495,995 | 245.98 ms (39.4x) | 33.42 ms (47.3x) | 21.28 ms (28.5x) 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 | 160.3 µs | 5 | 188.2 µs 10,000 | 5 | 1.31 ms | 5 | 442.8 µs 97,643 | 5 | 5.14 ms | 5 | 3.22 ms 495,995 | 5 | 33.68 ms | 5 | 21.51 ms 944,282 | 5 | 86.99 ms | 5 | 51.14 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 | 5.94 ms | 3.33 ms 2 | 12.73 ms | 13.79 ms 3 | 15.12 ms | 14.16 ms 5 | 30.46 ms | 26.29 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.17 ms (baseline: 2.60 ms, -55.1%) ✓ sparkline.movingAvg.100: 1.78 ms (baseline: 2.28 ms, -22.0%) ✓ sparkline.rdp.100: 2.31 ms (baseline: 2.73 ms, -15.4%) ✓ sparkline.none.1000: 4.39 ms (baseline: 6.02 ms, -27.1%) ✓ sparkline.movingAvg.1000: 1.92 ms (baseline: 4.22 ms, -54.6%) ⚠️ sparkline.rdp.1000: 2.58 ms (baseline: 1.84 ms, +39.8%) ⚠️ sparkline.none.10000: 19.07 ms (baseline: 15.77 ms, +21.0%) ✓ sparkline.movingAvg.10000: 1.87 ms (baseline: 5.88 ms, -68.2%) ✓ sparkline.rdp.10000: 6.31 ms (baseline: 7.76 ms, -18.7%) ✓ sparkline.none.50000: 23.39 ms (baseline: 33.99 ms, -31.2%) ✓ sparkline.movingAvg.50000: 3.14 ms (baseline: 6.02 ms, -47.8%) sparkline.rdp.50000: 48.85 ms (baseline: 52.56 ms, -7.1%) sparkline.none.100000: 54.35 ms (baseline: 53.40 ms, +1.8%) ⚠️ sparkline.movingAvg.100000: 7.79 ms (baseline: 4.65 ms, +67.6%) sparkline.rdp.100000: 6.51 ms (baseline: 7.01 ms, -7.2%) sparkline.none.500000: 253.66 ms (baseline: 257.59 ms, -1.5%) ⚠️ sparkline.movingAvg.500000: 30.53 ms (baseline: 23.28 ms, +31.1%) sparkline.rdp.500000: 22.15 ms (baseline: 24.41 ms, -9.3%) sparkline.none.948423: 444.31 ms (baseline: 444.60 ms, -0.1%) sparkline.movingAvg.948423: 93.56 ms (baseline: 87.09 ms, +7.4%) ✓ sparkline.rdp.948423: 60.45 ms (baseline: 76.67 ms, -21.2%) ✓ windrose.aggregation.1000: 397.6 µs (baseline: 443.1 µs, -10.3%) windrose.draw.1000: 934.1 µs (baseline: 869.6 µs, +7.4%) windrose.aggregation.10000: 1.62 ms (baseline: 1.57 ms, +3.2%) windrose.draw.10000: 744.1 µs (baseline: 706.4 µs, +5.4%) windrose.aggregation.50000: 7.17 ms (baseline: 7.33 ms, -2.1%) ✓ windrose.draw.50000: 677.9 µs (baseline: 829.7 µs, -18.3%) ✓ windrose.aggregation.100000: 3.97 ms (baseline: 4.44 ms, -10.5%) windrose.draw.100000: 670.8 µs (baseline: 660.2 µs, +1.6%) ⚠️ windrose.aggregation.500000: 22.84 ms (baseline: 18.78 ms, +21.6%) ✓ windrose.draw.500000: 521.9 µs (baseline: 620.2 µs, -15.8%) windrose.aggregation.948423: 40.16 ms (baseline: 35.41 ms, +13.4%) ⚠️ windrose.draw.948423: 7.44 ms (baseline: 676.2 µs, +1000.4%) ✓ scaling.none.1x: 4.83 ms (baseline: 5.97 ms, -19.0%) scaling.movingAvg.1x: 649.0 µs (baseline: 668.4 µs, -2.9%) ✓ scaling.rdp.1x: 503.6 µs (baseline: 614.7 µs, -18.1%) scaling.none.2x: 10.33 ms (baseline: 9.13 ms, +13.1%) scaling.movingAvg.2x: 1.25 ms (baseline: 1.13 ms, +11.2%) ✓ scaling.rdp.2x: 880.2 µs (baseline: 1.23 ms, -28.4%) scaling.none.5x: 22.36 ms (baseline: 24.70 ms, -9.5%) ⚠️ scaling.movingAvg.5x: 3.13 ms (baseline: 2.26 ms, +38.9%) ⚠️ scaling.rdp.5x: 2.81 ms (baseline: 1.88 ms, +49.8%) scaling.none.10x: 41.07 ms (baseline: 45.32 ms, -9.4%) scaling.movingAvg.10x: 4.96 ms (baseline: 5.01 ms, -0.9%) ✓ scaling.rdp.10x: 3.17 ms (baseline: 4.38 ms, -27.6%) scaling.none.20x: 92.53 ms (baseline: 96.32 ms, -3.9%) ⚠️ scaling.movingAvg.20x: 13.39 ms (baseline: 9.30 ms, +44.0%) scaling.rdp.20x: 10.89 ms (baseline: 9.86 ms, +10.5%) scaling.none.50x: 245.98 ms (baseline: 222.85 ms, +10.4%) scaling.movingAvg.50x: 33.42 ms (baseline: 33.65 ms, -0.7%) ✓ scaling.rdp.50x: 21.28 ms (baseline: 36.02 ms, -40.9%) ⚠️ multiseries.movingAvg.1series: 5.94 ms (baseline: 4.93 ms, +20.5%) ✓ multiseries.rdp.1series: 3.33 ms (baseline: 4.81 ms, -30.9%) ⚠️ multiseries.movingAvg.2series: 12.73 ms (baseline: 9.03 ms, +41.0%) ✓ multiseries.rdp.2series: 13.79 ms (baseline: 27.67 ms, -50.1%) ⚠️ multiseries.movingAvg.3series: 15.12 ms (baseline: 12.38 ms, +22.1%) ✓ multiseries.rdp.3series: 14.16 ms (baseline: 18.49 ms, -23.4%) ⚠️ multiseries.movingAvg.5series: 30.46 ms (baseline: 21.37 ms, +42.5%) multiseries.rdp.5series: 26.29 ms (baseline: 24.69 ms, +6.5%) 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: 31.55 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: 0.009 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: 12.87 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: 52.902 s [INFO] Finished at: 2026-04-23T00:28:57Z [INFO] ------------------------------------------------------------------------