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: 2.280 s [INFO] Finished at: 2026-06-09T05:34:28Z [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: 2.544 s [INFO] Finished at: 2026-06-09T05:34:33Z [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: 2026-06-09T04:30:58.435559532Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 05:35:07.242 [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 | 1.23 ms | 1.63 ms | 2.81 ms 1,000 | 4.89 ms | 2.15 ms | 2.52 ms 10,000 | 11.83 ms | 3.38 ms | 5.02 ms 49,871 | 36.46 ms | 3.49 ms | 12.41 ms 97,643 | 74.92 ms | 4.81 ms | 24.13 ms 495,995 | 333.71 ms | 38.92 ms | 75.44 ms 944,282 | 598.17 ms | 112.00 ms | 83.26 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 | 422.7 µs | 969.6 µs | 1.39 ms 10,000 | 1.81 ms | 981.3 µs | 2.79 ms 50,000 | 7.67 ms | 1.94 ms | 9.61 ms 100,000 | 14.10 ms | 1.15 ms | 15.26 ms 500,000 | 15.23 ms | 772.1 µs | 16.00 ms 948,423 | 29.47 ms | 724.1 µs | 30.19 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 | 8.04 ms ( 0.4x) | 1.52 ms ( 2.2x) | 771.2 µs ( 0.5x) 2x | 19,996 | 8.45 ms ( 0.4x) | 2.32 ms ( 3.3x) | 3.48 ms ( 2.1x) 5x | 49,871 | 39.40 ms ( 1.8x) | 6.61 ms ( 9.5x) | 2.52 ms ( 1.5x) 10x | 97,643 | 62.02 ms ( 2.9x) | 4.72 ms ( 6.8x) | 3.79 ms ( 2.3x) 20x | 196,569 | 126.62 ms ( 5.9x) | 14.74 ms (21.2x) | 21.05 ms (12.8x) 50x | 495,995 | 298.92 ms (13.9x) | 59.85 ms (86.3x) | 20.01 ms (12.2x) 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 | 184.0 µs | 5 | 199.5 µs 10,000 | 5 | 636.7 µs | 5 | 461.8 µs 97,643 | 5 | 5.10 ms | 5 | 4.58 ms 495,995 | 5 | 46.30 ms | 5 | 66.18 ms 944,282 | 5 | 93.90 ms | 5 | 77.62 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 | 6.21 ms | 23.12 ms 2 | 10.01 ms | 15.06 ms 3 | 30.84 ms | 19.69 ms 5 | 35.84 ms | 28.01 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 1.23 ms (baseline: 1.16 ms, +5.5%) ✓ sparkline.movingAvg.100: 1.63 ms (baseline: 4.68 ms, -65.1%) sparkline.rdp.100: 2.81 ms (baseline: 2.35 ms, +20.0%) sparkline.none.1000: 4.89 ms (baseline: 5.32 ms, -8.0%) ✓ sparkline.movingAvg.1000: 2.15 ms (baseline: 3.08 ms, -30.2%) sparkline.rdp.1000: 2.52 ms (baseline: 2.70 ms, -6.7%) ✓ sparkline.none.10000: 11.83 ms (baseline: 22.54 ms, -47.5%) ✓ sparkline.movingAvg.10000: 3.38 ms (baseline: 5.71 ms, -40.9%) sparkline.rdp.10000: 5.02 ms (baseline: 5.04 ms, -0.3%) ✓ sparkline.none.50000: 36.46 ms (baseline: 45.00 ms, -19.0%) ✓ sparkline.movingAvg.50000: 3.49 ms (baseline: 11.35 ms, -69.3%) ✓ sparkline.rdp.50000: 12.41 ms (baseline: 27.92 ms, -55.5%) ⚠️ sparkline.none.100000: 74.92 ms (baseline: 60.65 ms, +23.5%) ✓ sparkline.movingAvg.100000: 4.81 ms (baseline: 7.28 ms, -33.9%) ⚠️ sparkline.rdp.100000: 24.13 ms (baseline: 18.43 ms, +30.9%) sparkline.none.500000: 333.71 ms (baseline: 343.63 ms, -2.9%) ✓ sparkline.movingAvg.500000: 38.92 ms (baseline: 52.01 ms, -25.2%) ⚠️ sparkline.rdp.500000: 75.44 ms (baseline: 33.92 ms, +122.4%) ✓ sparkline.none.948423: 598.17 ms (baseline: 673.20 ms, -11.1%) ✓ sparkline.movingAvg.948423: 112.00 ms (baseline: 171.67 ms, -34.8%) ✓ sparkline.rdp.948423: 83.26 ms (baseline: 140.59 ms, -40.8%) ✓ windrose.aggregation.1000: 422.7 µs (baseline: 2.26 ms, -81.3%) ✓ windrose.draw.1000: 969.6 µs (baseline: 2.13 ms, -54.5%) ✓ windrose.aggregation.10000: 1.81 ms (baseline: 3.82 ms, -52.6%) ✓ windrose.draw.10000: 981.3 µs (baseline: 1.69 ms, -42.1%) windrose.aggregation.50000: 7.67 ms (baseline: 8.47 ms, -9.5%) windrose.draw.50000: 1.94 ms (baseline: 2.09 ms, -7.1%) windrose.aggregation.100000: 14.10 ms (baseline: 12.62 ms, +11.7%) windrose.draw.100000: 1.15 ms (baseline: 971.6 µs, +18.8%) ✓ windrose.aggregation.500000: 15.23 ms (baseline: 43.73 ms, -65.2%) ✓ windrose.draw.500000: 772.1 µs (baseline: 1.30 ms, -40.6%) ✓ windrose.aggregation.948423: 29.47 ms (baseline: 47.84 ms, -38.4%) windrose.draw.948423: 724.1 µs (baseline: 607.7 µs, +19.2%) scaling.none.1x: 8.04 ms (baseline: 8.14 ms, -1.3%) ✓ scaling.movingAvg.1x: 1.52 ms (baseline: 2.78 ms, -45.5%) ✓ scaling.rdp.1x: 771.2 µs (baseline: 2.14 ms, -64.0%) ✓ scaling.none.2x: 8.45 ms (baseline: 19.32 ms, -56.3%) ✓ scaling.movingAvg.2x: 2.32 ms (baseline: 3.04 ms, -23.6%) ⚠️ scaling.rdp.2x: 3.48 ms (baseline: 1.48 ms, +136.1%) ⚠️ scaling.none.5x: 39.40 ms (baseline: 20.79 ms, +89.5%) ⚠️ scaling.movingAvg.5x: 6.61 ms (baseline: 5.20 ms, +27.0%) scaling.rdp.5x: 2.52 ms (baseline: 2.38 ms, +6.1%) scaling.none.10x: 62.02 ms (baseline: 67.59 ms, -8.2%) ✓ scaling.movingAvg.10x: 4.72 ms (baseline: 11.41 ms, -58.7%) ✓ scaling.rdp.10x: 3.79 ms (baseline: 9.72 ms, -61.1%) scaling.none.20x: 126.62 ms (baseline: 127.59 ms, -0.8%) ⚠️ scaling.movingAvg.20x: 14.74 ms (baseline: 9.94 ms, +48.3%) ⚠️ scaling.rdp.20x: 21.05 ms (baseline: 10.56 ms, +99.3%) scaling.none.50x: 298.92 ms (baseline: 297.32 ms, +0.5%) ⚠️ scaling.movingAvg.50x: 59.85 ms (baseline: 45.04 ms, +32.9%) ✓ scaling.rdp.50x: 20.01 ms (baseline: 33.44 ms, -40.2%) multiseries.movingAvg.1series: 6.21 ms (baseline: 5.44 ms, +14.0%) ⚠️ multiseries.rdp.1series: 23.12 ms (baseline: 4.60 ms, +402.5%) ✓ multiseries.movingAvg.2series: 10.01 ms (baseline: 12.85 ms, -22.1%) ✓ multiseries.rdp.2series: 15.06 ms (baseline: 27.73 ms, -45.7%) multiseries.movingAvg.3series: 30.84 ms (baseline: 28.03 ms, +10.0%) ✓ multiseries.rdp.3series: 19.69 ms (baseline: 33.95 ms, -42.0%) multiseries.movingAvg.5series: 35.84 ms (baseline: 31.90 ms, +12.3%) multiseries.rdp.5series: 28.01 ms (baseline: 24.79 ms, +13.0%) 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: 41.94 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: 0.020 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: 0.022 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: 20.34 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: 2026-06-09T05:35:54Z [INFO] ------------------------------------------------------------------------