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: 2.230 s [INFO] Finished at: 2026-06-10T14:15:46Z [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: 2.435 s [INFO] Finished at: 2026-06-10T14:15:51Z [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: 2026-06-10T13:09:59.709714691Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 14:16:24.349 [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 | 2.93 ms | 3.31 ms | 3.99 ms 1,000 | 2.77 ms | 1.62 ms | 3.80 ms 10,000 | 24.06 ms | 4.25 ms | 11.85 ms 49,871 | 32.98 ms | 4.96 ms | 55.01 ms 97,643 | 66.55 ms | 15.99 ms | 4.42 ms 495,995 | 346.59 ms | 36.06 ms | 27.27 ms 944,282 | 722.53 ms | 113.49 ms | 239.17 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 | 464.4 µs | 1.28 ms | 1.74 ms 10,000 | 2.08 ms | 1.51 ms | 3.59 ms 50,000 | 10.66 ms | 1.93 ms | 12.59 ms 100,000 | 7.73 ms | 2.18 ms | 9.90 ms 500,000 | 41.90 ms | 604.9 µs | 42.51 ms 948,423 | 58.41 ms | 715.2 µs | 59.13 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 | 17.84 ms ( 1.9x) | 1.85 ms ( 1.3x) | 2.57 ms ( 1.4x) 2x | 19,996 | 12.70 ms ( 1.4x) | 2.93 ms ( 2.1x) | 2.91 ms ( 1.6x) 5x | 49,871 | 38.05 ms ( 4.1x) | 3.66 ms ( 2.6x) | 1.92 ms ( 1.0x) 10x | 97,643 | 70.81 ms ( 7.6x) | 11.17 ms ( 7.9x) | 4.87 ms ( 2.6x) 20x | 196,569 | 94.57 ms (10.1x) | 18.56 ms (13.1x) | 42.94 ms (23.1x) 50x | 495,995 | 296.78 ms (31.7x) | 42.17 ms (29.8x) | 83.05 ms (44.6x) 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 | 172.1 µs | 5 | 321.1 µs 10,000 | 5 | 697.3 µs | 5 | 643.9 µs 97,643 | 5 | 5.20 ms | 5 | 3.39 ms 495,995 | 5 | 35.75 ms | 5 | 26.04 ms 944,282 | 5 | 98.04 ms | 5 | 65.93 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 | 8.32 ms | 3.64 ms 2 | 9.35 ms | 32.20 ms 3 | 19.05 ms | 26.75 ms 5 | 35.14 ms | 35.86 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 2.93 ms (baseline: 3.23 ms, -9.2%) ✓ sparkline.movingAvg.100: 3.31 ms (baseline: 4.97 ms, -33.5%) ⚠️ sparkline.rdp.100: 3.99 ms (baseline: 1.68 ms, +136.9%) ✓ sparkline.none.1000: 2.77 ms (baseline: 8.31 ms, -66.6%) ✓ sparkline.movingAvg.1000: 1.62 ms (baseline: 2.58 ms, -37.1%) ✓ sparkline.rdp.1000: 3.80 ms (baseline: 5.17 ms, -26.4%) ⚠️ sparkline.none.10000: 24.06 ms (baseline: 17.92 ms, +34.3%) ✓ sparkline.movingAvg.10000: 4.25 ms (baseline: 7.39 ms, -42.5%) ⚠️ sparkline.rdp.10000: 11.85 ms (baseline: 7.17 ms, +65.4%) sparkline.none.50000: 32.98 ms (baseline: 31.38 ms, +5.1%) ✓ sparkline.movingAvg.50000: 4.96 ms (baseline: 7.12 ms, -30.4%) sparkline.rdp.50000: 55.01 ms (baseline: 60.69 ms, -9.4%) ✓ sparkline.none.100000: 66.55 ms (baseline: 94.85 ms, -29.8%) ⚠️ sparkline.movingAvg.100000: 15.99 ms (baseline: 10.53 ms, +51.9%) ✓ sparkline.rdp.100000: 4.42 ms (baseline: 10.92 ms, -59.5%) sparkline.none.500000: 346.59 ms (baseline: 313.80 ms, +10.5%) ✓ sparkline.movingAvg.500000: 36.06 ms (baseline: 53.25 ms, -32.3%) ✓ sparkline.rdp.500000: 27.27 ms (baseline: 44.35 ms, -38.5%) sparkline.none.948423: 722.53 ms (baseline: 680.89 ms, +6.1%) ✓ sparkline.movingAvg.948423: 113.49 ms (baseline: 134.28 ms, -15.5%) ⚠️ sparkline.rdp.948423: 239.17 ms (baseline: 172.73 ms, +38.5%) ✓ windrose.aggregation.1000: 464.4 µs (baseline: 1.25 ms, -62.9%) ✓ windrose.draw.1000: 1.28 ms (baseline: 2.09 ms, -38.9%) ✓ windrose.aggregation.10000: 2.08 ms (baseline: 2.86 ms, -27.3%) ✓ windrose.draw.10000: 1.51 ms (baseline: 3.62 ms, -58.3%) ✓ windrose.aggregation.50000: 10.66 ms (baseline: 19.89 ms, -46.4%) ✓ windrose.draw.50000: 1.93 ms (baseline: 2.46 ms, -21.4%) windrose.aggregation.100000: 7.73 ms (baseline: 8.47 ms, -8.7%) ⚠️ windrose.draw.100000: 2.18 ms (baseline: 826.3 µs, +163.2%) ⚠️ windrose.aggregation.500000: 41.90 ms (baseline: 20.45 ms, +104.9%) ✓ windrose.draw.500000: 604.9 µs (baseline: 2.42 ms, -75.0%) ✓ windrose.aggregation.948423: 58.41 ms (baseline: 66.70 ms, -12.4%) ✓ windrose.draw.948423: 715.2 µs (baseline: 2.18 ms, -67.2%) ⚠️ scaling.none.1x: 17.84 ms (baseline: 11.88 ms, +50.2%) ⚠️ scaling.movingAvg.1x: 1.85 ms (baseline: 690.8 µs, +167.9%) ⚠️ scaling.rdp.1x: 2.57 ms (baseline: 1.40 ms, +83.1%) scaling.none.2x: 12.70 ms (baseline: 11.96 ms, +6.2%) scaling.movingAvg.2x: 2.93 ms (baseline: 3.07 ms, -4.6%) ⚠️ scaling.rdp.2x: 2.91 ms (baseline: 1.00 ms, +189.6%) ⚠️ scaling.none.5x: 38.05 ms (baseline: 27.79 ms, +36.9%) ✓ scaling.movingAvg.5x: 3.66 ms (baseline: 8.33 ms, -56.0%) ✓ scaling.rdp.5x: 1.92 ms (baseline: 2.23 ms, -14.0%) ⚠️ scaling.none.10x: 70.81 ms (baseline: 50.24 ms, +40.9%) ⚠️ scaling.movingAvg.10x: 11.17 ms (baseline: 7.20 ms, +55.0%) ✓ scaling.rdp.10x: 4.87 ms (baseline: 8.44 ms, -42.2%) ✓ scaling.none.20x: 94.57 ms (baseline: 120.71 ms, -21.7%) ⚠️ scaling.movingAvg.20x: 18.56 ms (baseline: 14.62 ms, +26.9%) ⚠️ scaling.rdp.20x: 42.94 ms (baseline: 10.17 ms, +322.3%) scaling.none.50x: 296.78 ms (baseline: 288.40 ms, +2.9%) scaling.movingAvg.50x: 42.17 ms (baseline: 39.68 ms, +6.3%) ⚠️ scaling.rdp.50x: 83.05 ms (baseline: 32.39 ms, +156.4%) ✓ multiseries.movingAvg.1series: 8.32 ms (baseline: 10.42 ms, -20.2%) multiseries.rdp.1series: 3.64 ms (baseline: 3.20 ms, +13.8%) multiseries.movingAvg.2series: 9.35 ms (baseline: 9.75 ms, -4.1%) ⚠️ multiseries.rdp.2series: 32.20 ms (baseline: 10.92 ms, +195.0%) ⚠️ multiseries.movingAvg.3series: 19.05 ms (baseline: 15.10 ms, +26.2%) ⚠️ multiseries.rdp.3series: 26.75 ms (baseline: 14.68 ms, +82.2%) ⚠️ multiseries.movingAvg.5series: 35.14 ms (baseline: 27.05 ms, +29.9%) ✓ multiseries.rdp.5series: 35.86 ms (baseline: 45.60 ms, -21.4%) 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: 42.28 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: 0.038 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: 0.026 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: 19.01 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: 01:12 min [INFO] Finished at: 2026-06-10T14:17:11Z [INFO] ------------------------------------------------------------------------