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=25.2-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: 2.693 s [INFO] Finished at: 2026-06-09T13:00:08Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2-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 -> 25.2-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.163 s [INFO] Finished at: 2026-06-09T13:00:13Z [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: 2026-06-09T11:14:56.194182137Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 13:00:48.504 [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 | 5.32 ms | 5.05 ms | 8.35 ms 1,000 | 6.15 ms | 2.25 ms | 6.55 ms 10,000 | 17.22 ms | 3.35 ms | 4.90 ms 49,871 | 35.27 ms | 3.12 ms | 59.84 ms 97,643 | 103.50 ms | 15.50 ms | 7.02 ms 495,995 | 437.43 ms | 33.71 ms | 31.99 ms 944,282 | 656.41 ms | 115.45 ms | 169.36 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 | 1.01 ms | 3.79 ms | 4.79 ms 10,000 | 1.52 ms | 870.4 µs | 2.39 ms 50,000 | 26.99 ms | 3.01 ms | 30.01 ms 100,000 | 15.69 ms | 2.23 ms | 17.92 ms 500,000 | 63.11 ms | 638.8 µs | 63.75 ms 948,423 | 61.56 ms | 1.81 ms | 63.38 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 | 7.99 ms ( 1.2x) | 876.2 µs ( 0.6x) | 590.0 µs ( 1.0x) 2x | 19,996 | 14.84 ms ( 2.2x) | 1.66 ms ( 1.2x) | 1.44 ms ( 2.4x) 5x | 49,871 | 32.80 ms ( 4.8x) | 6.31 ms ( 4.6x) | 3.14 ms ( 5.2x) 10x | 97,643 | 51.33 ms ( 7.5x) | 6.68 ms ( 4.9x) | 9.50 ms (15.8x) 20x | 196,569 | 102.23 ms (15.0x) | 19.95 ms (14.5x) | 23.40 ms (39.0x) 50x | 495,995 | 373.01 ms (54.7x) | 58.16 ms (42.4x) | 29.54 ms (49.2x) 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 | 169.9 µs | 5 | 190.6 µs 10,000 | 5 | 586.3 µs | 5 | 736.6 µs 97,643 | 5 | 7.03 ms | 5 | 3.80 ms 495,995 | 5 | 52.26 ms | 5 | 58.10 ms 944,282 | 5 | 99.53 ms | 5 | 81.41 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 | 11.68 ms | 7.10 ms 2 | 21.90 ms | 13.18 ms 3 | 17.86 ms | 16.97 ms 5 | 29.37 ms | 27.24 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 5.32 ms (baseline: 4.50 ms, +18.3%) ⚠️ sparkline.movingAvg.100: 5.05 ms (baseline: 1.53 ms, +229.3%) ⚠️ sparkline.rdp.100: 8.35 ms (baseline: 1.40 ms, +495.9%) ⚠️ sparkline.none.1000: 6.15 ms (baseline: 3.89 ms, +58.1%) ⚠️ sparkline.movingAvg.1000: 2.25 ms (baseline: 1.86 ms, +21.1%) ⚠️ sparkline.rdp.1000: 6.55 ms (baseline: 2.66 ms, +146.2%) ✓ sparkline.none.10000: 17.22 ms (baseline: 22.95 ms, -25.0%) ✓ sparkline.movingAvg.10000: 3.35 ms (baseline: 7.24 ms, -53.7%) ✓ sparkline.rdp.10000: 4.90 ms (baseline: 10.10 ms, -51.5%) ✓ sparkline.none.50000: 35.27 ms (baseline: 42.23 ms, -16.5%) ✓ sparkline.movingAvg.50000: 3.12 ms (baseline: 4.87 ms, -36.0%) ⚠️ sparkline.rdp.50000: 59.84 ms (baseline: 23.78 ms, +151.6%) ✓ sparkline.none.100000: 103.50 ms (baseline: 126.34 ms, -18.1%) ⚠️ sparkline.movingAvg.100000: 15.50 ms (baseline: 5.35 ms, +189.9%) ✓ sparkline.rdp.100000: 7.02 ms (baseline: 84.67 ms, -91.7%) ⚠️ sparkline.none.500000: 437.43 ms (baseline: 341.17 ms, +28.2%) ⚠️ sparkline.movingAvg.500000: 33.71 ms (baseline: 25.98 ms, +29.8%) ⚠️ sparkline.rdp.500000: 31.99 ms (baseline: 21.55 ms, +48.5%) sparkline.none.948423: 656.41 ms (baseline: 678.73 ms, -3.3%) sparkline.movingAvg.948423: 115.45 ms (baseline: 112.39 ms, +2.7%) sparkline.rdp.948423: 169.36 ms (baseline: 154.77 ms, +9.4%) ⚠️ windrose.aggregation.1000: 1.01 ms (baseline: 387.5 µs, +159.5%) ⚠️ windrose.draw.1000: 3.79 ms (baseline: 1.92 ms, +97.8%) windrose.aggregation.10000: 1.52 ms (baseline: 1.46 ms, +4.1%) ✓ windrose.draw.10000: 870.4 µs (baseline: 2.14 ms, -59.3%) ⚠️ windrose.aggregation.50000: 26.99 ms (baseline: 13.81 ms, +95.4%) ⚠️ windrose.draw.50000: 3.01 ms (baseline: 1.66 ms, +81.2%) ⚠️ windrose.aggregation.100000: 15.69 ms (baseline: 3.90 ms, +302.6%) windrose.draw.100000: 2.23 ms (baseline: 2.19 ms, +1.5%) windrose.aggregation.500000: 63.11 ms (baseline: 67.42 ms, -6.4%) ✓ windrose.draw.500000: 638.8 µs (baseline: 1.44 ms, -55.5%) ✓ windrose.aggregation.948423: 61.56 ms (baseline: 76.14 ms, -19.1%) ⚠️ windrose.draw.948423: 1.81 ms (baseline: 1.26 ms, +44.3%) ✓ scaling.none.1x: 7.99 ms (baseline: 9.02 ms, -11.4%) ✓ scaling.movingAvg.1x: 876.2 µs (baseline: 1.59 ms, -45.0%) ✓ scaling.rdp.1x: 590.0 µs (baseline: 2.15 ms, -72.6%) ⚠️ scaling.none.2x: 14.84 ms (baseline: 12.20 ms, +21.7%) ✓ scaling.movingAvg.2x: 1.66 ms (baseline: 3.12 ms, -46.9%) scaling.rdp.2x: 1.44 ms (baseline: 1.27 ms, +13.3%) scaling.none.5x: 32.80 ms (baseline: 30.49 ms, +7.6%) ⚠️ scaling.movingAvg.5x: 6.31 ms (baseline: 2.77 ms, +127.8%) ⚠️ scaling.rdp.5x: 3.14 ms (baseline: 1.82 ms, +72.9%) ✓ scaling.none.10x: 51.33 ms (baseline: 72.30 ms, -29.0%) ⚠️ scaling.movingAvg.10x: 6.68 ms (baseline: 5.00 ms, +33.6%) ⚠️ scaling.rdp.10x: 9.50 ms (baseline: 4.65 ms, +104.2%) ✓ scaling.none.20x: 102.23 ms (baseline: 117.72 ms, -13.2%) scaling.movingAvg.20x: 19.95 ms (baseline: 19.28 ms, +3.5%) ⚠️ scaling.rdp.20x: 23.40 ms (baseline: 12.32 ms, +90.0%) ⚠️ scaling.none.50x: 373.01 ms (baseline: 282.46 ms, +32.1%) ⚠️ scaling.movingAvg.50x: 58.16 ms (baseline: 44.79 ms, +29.8%) ✓ scaling.rdp.50x: 29.54 ms (baseline: 56.22 ms, -47.5%) ⚠️ multiseries.movingAvg.1series: 11.68 ms (baseline: 4.59 ms, +154.6%) ⚠️ multiseries.rdp.1series: 7.10 ms (baseline: 3.42 ms, +107.4%) ⚠️ multiseries.movingAvg.2series: 21.90 ms (baseline: 12.29 ms, +78.3%) ✓ multiseries.rdp.2series: 13.18 ms (baseline: 34.84 ms, -62.2%) multiseries.movingAvg.3series: 17.86 ms (baseline: 18.86 ms, -5.3%) ✓ multiseries.rdp.3series: 16.97 ms (baseline: 25.03 ms, -32.2%) multiseries.movingAvg.5series: 29.37 ms (baseline: 28.17 ms, +4.3%) multiseries.rdp.5series: 27.24 ms (baseline: 27.98 ms, -2.6%) 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: 44.47 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: 0.078 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: 0.012 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: 21.52 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: 01:16 min [INFO] Finished at: 2026-06-09T13:01:39Z [INFO] ------------------------------------------------------------------------