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: 2.141 s [INFO] Finished at: 2026-04-23T12:24:05Z [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: 1.774 s [INFO] Finished at: 2026-04-23T12:24:09Z [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: 2026-04-23T10:42:31.634593756Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 12:24:37.410 [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 | 2.79 ms | 2.98 ms | 3.88 ms 1,000 | 4.36 ms | 6.50 ms | 3.94 ms 10,000 | 26.67 ms | 7.62 ms | 30.39 ms 49,871 | 52.52 ms | 7.22 ms | 28.27 ms 97,643 | 102.93 ms | 6.76 ms | 11.33 ms 495,995 | 334.64 ms | 46.49 ms | 22.68 ms 944,282 | 664.33 ms | 123.55 ms | 112.26 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 | 431.1 µs | 1.16 ms | 1.60 ms 10,000 | 4.03 ms | 2.51 ms | 6.54 ms 50,000 | 10.43 ms | 1.07 ms | 11.50 ms 100,000 | 6.97 ms | 2.44 ms | 9.41 ms 500,000 | 20.34 ms | 553.5 µs | 20.90 ms 948,423 | 38.87 ms | 773.8 µs | 39.64 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 | 10.73 ms ( 1.3x) | 623.9 µs ( 0.4x) | 502.7 µs ( 0.3x) 2x | 19,996 | 10.00 ms ( 1.2x) | 2.38 ms ( 1.3x) | 1.35 ms ( 0.9x) 5x | 49,871 | 52.70 ms ( 6.3x) | 7.93 ms ( 4.5x) | 4.82 ms ( 3.1x) 10x | 97,643 | 43.44 ms ( 5.2x) | 7.83 ms ( 4.4x) | 3.16 ms ( 2.1x) 20x | 196,569 | 129.66 ms (15.4x) | 9.62 ms ( 5.4x) | 11.58 ms ( 7.5x) 50x | 495,995 | 289.86 ms (34.4x) | 30.66 ms (17.2x) | 37.17 ms (24.1x) 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 | 144.4 µs | 5 | 185.6 µs 10,000 | 5 | 754.9 µs | 5 | 1.08 ms 97,643 | 5 | 9.63 ms | 5 | 5.49 ms 495,995 | 5 | 34.85 ms | 5 | 27.54 ms 944,282 | 5 | 103.10 ms | 5 | 62.44 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 | 11.48 ms | 7.19 ms 2 | 16.78 ms | 17.06 ms 3 | 15.92 ms | 24.81 ms 5 | 28.00 ms | 38.76 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.79 ms (baseline: 3.72 ms, -24.9%) ✓ sparkline.movingAvg.100: 2.98 ms (baseline: 6.84 ms, -56.4%) ✓ sparkline.rdp.100: 3.88 ms (baseline: 5.42 ms, -28.4%) ✓ sparkline.none.1000: 4.36 ms (baseline: 7.22 ms, -39.6%) ⚠️ sparkline.movingAvg.1000: 6.50 ms (baseline: 2.32 ms, +180.8%) ⚠️ sparkline.rdp.1000: 3.94 ms (baseline: 2.40 ms, +64.0%) ⚠️ sparkline.none.10000: 26.67 ms (baseline: 19.23 ms, +38.7%) ⚠️ sparkline.movingAvg.10000: 7.62 ms (baseline: 3.57 ms, +113.8%) ⚠️ sparkline.rdp.10000: 30.39 ms (baseline: 7.80 ms, +289.6%) ⚠️ sparkline.none.50000: 52.52 ms (baseline: 37.86 ms, +38.7%) ✓ sparkline.movingAvg.50000: 7.22 ms (baseline: 13.06 ms, -44.7%) ⚠️ sparkline.rdp.50000: 28.27 ms (baseline: 14.85 ms, +90.3%) ⚠️ sparkline.none.100000: 102.93 ms (baseline: 69.10 ms, +49.0%) ✓ sparkline.movingAvg.100000: 6.76 ms (baseline: 12.02 ms, -43.8%) ⚠️ sparkline.rdp.100000: 11.33 ms (baseline: 8.87 ms, +27.8%) sparkline.none.500000: 334.64 ms (baseline: 333.33 ms, +0.4%) sparkline.movingAvg.500000: 46.49 ms (baseline: 41.97 ms, +10.8%) sparkline.rdp.500000: 22.68 ms (baseline: 25.00 ms, -9.3%) sparkline.none.948423: 664.33 ms (baseline: 557.70 ms, +19.1%) sparkline.movingAvg.948423: 123.55 ms (baseline: 125.88 ms, -1.8%) ✓ sparkline.rdp.948423: 112.26 ms (baseline: 171.29 ms, -34.5%) ✓ windrose.aggregation.1000: 431.1 µs (baseline: 495.0 µs, -12.9%) ✓ windrose.draw.1000: 1.16 ms (baseline: 1.64 ms, -29.1%) ⚠️ windrose.aggregation.10000: 4.03 ms (baseline: 1.50 ms, +169.3%) ✓ windrose.draw.10000: 2.51 ms (baseline: 2.89 ms, -13.1%) ✓ windrose.aggregation.50000: 10.43 ms (baseline: 27.53 ms, -62.1%) windrose.draw.50000: 1.07 ms (baseline: 968.4 µs, +10.8%) ✓ windrose.aggregation.100000: 6.97 ms (baseline: 10.19 ms, -31.6%) ⚠️ windrose.draw.100000: 2.44 ms (baseline: 1.98 ms, +23.0%) ✓ windrose.aggregation.500000: 20.34 ms (baseline: 48.97 ms, -58.5%) ✓ windrose.draw.500000: 553.5 µs (baseline: 1.91 ms, -71.0%) windrose.aggregation.948423: 38.87 ms (baseline: 37.79 ms, +2.8%) ✓ windrose.draw.948423: 773.8 µs (baseline: 1.08 ms, -28.6%) ⚠️ scaling.none.1x: 10.73 ms (baseline: 7.41 ms, +44.8%) ✓ scaling.movingAvg.1x: 623.9 µs (baseline: 960.5 µs, -35.0%) ✓ scaling.rdp.1x: 502.7 µs (baseline: 1.51 ms, -66.7%) ✓ scaling.none.2x: 10.00 ms (baseline: 24.92 ms, -59.9%) ✓ scaling.movingAvg.2x: 2.38 ms (baseline: 3.29 ms, -27.8%) ✓ scaling.rdp.2x: 1.35 ms (baseline: 3.16 ms, -57.3%) ⚠️ scaling.none.5x: 52.70 ms (baseline: 23.19 ms, +127.2%) ⚠️ scaling.movingAvg.5x: 7.93 ms (baseline: 3.35 ms, +136.6%) ⚠️ scaling.rdp.5x: 4.82 ms (baseline: 2.40 ms, +101.0%) ✓ scaling.none.10x: 43.44 ms (baseline: 64.67 ms, -32.8%) scaling.movingAvg.10x: 7.83 ms (baseline: 7.52 ms, +4.2%) ✓ scaling.rdp.10x: 3.16 ms (baseline: 5.66 ms, -44.1%) ⚠️ scaling.none.20x: 129.66 ms (baseline: 100.53 ms, +29.0%) scaling.movingAvg.20x: 9.62 ms (baseline: 9.84 ms, -2.2%) ⚠️ scaling.rdp.20x: 11.58 ms (baseline: 7.87 ms, +47.2%) scaling.none.50x: 289.86 ms (baseline: 267.17 ms, +8.5%) ✓ scaling.movingAvg.50x: 30.66 ms (baseline: 56.81 ms, -46.0%) scaling.rdp.50x: 37.17 ms (baseline: 34.71 ms, +7.1%) ✓ multiseries.movingAvg.1series: 11.48 ms (baseline: 33.92 ms, -66.2%) multiseries.rdp.1series: 7.19 ms (baseline: 6.35 ms, +13.3%) ✓ multiseries.movingAvg.2series: 16.78 ms (baseline: 18.97 ms, -11.5%) ⚠️ multiseries.rdp.2series: 17.06 ms (baseline: 10.94 ms, +56.0%) multiseries.movingAvg.3series: 15.92 ms (baseline: 15.66 ms, +1.6%) ⚠️ multiseries.rdp.3series: 24.81 ms (baseline: 17.80 ms, +39.4%) ⚠️ multiseries.movingAvg.5series: 28.00 ms (baseline: 21.65 ms, +29.3%) multiseries.rdp.5series: 38.76 ms (baseline: 35.75 ms, +8.4%) 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: 44.33 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: 0.020 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: 17.98 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: 2026-04-23T12:25:23Z [INFO] ------------------------------------------------------------------------