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: 2.691 s [INFO] Finished at: 2026-06-11T08:52:31Z [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: 2.484 s [INFO] Finished at: 2026-06-11T08:52:35Z [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: 2026-06-11T08:40:17.006899106Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 08:53:11.405 [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 | 2.89 ms | 1.59 ms | 1.69 ms 1,000 | 5.09 ms | 1.45 ms | 2.65 ms 10,000 | 22.83 ms | 4.78 ms | 7.12 ms 49,871 | 29.78 ms | 4.52 ms | 44.10 ms 97,643 | 54.56 ms | 11.82 ms | 3.92 ms 495,995 | 349.21 ms | 38.46 ms | 25.54 ms 944,282 | 561.47 ms | 114.36 ms | 138.01 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 | 426.2 µs | 1.59 ms | 2.02 ms 10,000 | 1.47 ms | 1.23 ms | 2.70 ms 50,000 | 17.25 ms | 2.14 ms | 19.39 ms 100,000 | 8.70 ms | 2.00 ms | 10.70 ms 500,000 | 20.73 ms | 944.3 µs | 21.68 ms 948,423 | 44.16 ms | 608.0 µs | 44.77 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 | 14.58 ms ( 1.1x) | 2.18 ms ( 1.8x) | 2.08 ms ( 1.0x) 2x | 19,996 | 17.04 ms ( 1.3x) | 1.33 ms ( 1.1x) | 1.60 ms ( 0.8x) 5x | 49,871 | 24.99 ms ( 1.9x) | 5.14 ms ( 4.3x) | 4.79 ms ( 2.3x) 10x | 97,643 | 39.87 ms ( 3.0x) | 5.54 ms ( 4.6x) | 3.76 ms ( 1.8x) 20x | 196,569 | 104.21 ms ( 7.8x) | 10.99 ms ( 9.1x) | 10.69 ms ( 5.0x) 50x | 495,995 | 327.75 ms (24.6x) | 40.42 ms (33.6x) | 19.93 ms ( 9.4x) 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 | 159.6 µs | 5 | 264.0 µs 10,000 | 5 | 676.2 µs | 5 | 626.7 µs 97,643 | 5 | 6.58 ms | 5 | 3.83 ms 495,995 | 5 | 31.65 ms | 5 | 54.30 ms 944,282 | 5 | 132.62 ms | 5 | 162.58 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 | 11.11 ms | 3.21 ms 2 | 10.78 ms | 9.46 ms 3 | 17.75 ms | 23.80 ms 5 | 36.14 ms | 44.05 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 2.89 ms (baseline: 2.79 ms, +3.5%) ✓ sparkline.movingAvg.100: 1.59 ms (baseline: 2.33 ms, -31.5%) ✓ sparkline.rdp.100: 1.69 ms (baseline: 2.12 ms, -20.3%) ✓ sparkline.none.1000: 5.09 ms (baseline: 6.06 ms, -15.9%) ✓ sparkline.movingAvg.1000: 1.45 ms (baseline: 4.90 ms, -70.3%) ✓ sparkline.rdp.1000: 2.65 ms (baseline: 4.11 ms, -35.5%) ✓ sparkline.none.10000: 22.83 ms (baseline: 36.04 ms, -36.7%) ✓ sparkline.movingAvg.10000: 4.78 ms (baseline: 5.71 ms, -16.3%) ✓ sparkline.rdp.10000: 7.12 ms (baseline: 23.55 ms, -69.8%) ✓ sparkline.none.50000: 29.78 ms (baseline: 40.60 ms, -26.7%) ✓ sparkline.movingAvg.50000: 4.52 ms (baseline: 5.25 ms, -13.8%) sparkline.rdp.50000: 44.10 ms (baseline: 48.66 ms, -9.4%) sparkline.none.100000: 54.56 ms (baseline: 59.23 ms, -7.9%) ✓ sparkline.movingAvg.100000: 11.82 ms (baseline: 22.30 ms, -47.0%) ✓ sparkline.rdp.100000: 3.92 ms (baseline: 15.31 ms, -74.4%) sparkline.none.500000: 349.21 ms (baseline: 343.81 ms, +1.6%) ✓ sparkline.movingAvg.500000: 38.46 ms (baseline: 45.05 ms, -14.6%) ✓ sparkline.rdp.500000: 25.54 ms (baseline: 48.71 ms, -47.6%) ✓ sparkline.none.948423: 561.47 ms (baseline: 721.51 ms, -22.2%) ✓ sparkline.movingAvg.948423: 114.36 ms (baseline: 134.26 ms, -14.8%) ⚠️ sparkline.rdp.948423: 138.01 ms (baseline: 76.76 ms, +79.8%) windrose.aggregation.1000: 426.2 µs (baseline: 466.6 µs, -8.6%) ✓ windrose.draw.1000: 1.59 ms (baseline: 4.97 ms, -68.0%) ✓ windrose.aggregation.10000: 1.47 ms (baseline: 6.61 ms, -77.8%) ✓ windrose.draw.10000: 1.23 ms (baseline: 3.22 ms, -61.9%) ✓ windrose.aggregation.50000: 17.25 ms (baseline: 25.99 ms, -33.6%) windrose.draw.50000: 2.14 ms (baseline: 2.03 ms, +5.3%) windrose.aggregation.100000: 8.70 ms (baseline: 9.41 ms, -7.5%) ⚠️ windrose.draw.100000: 2.00 ms (baseline: 1.64 ms, +21.7%) ✓ windrose.aggregation.500000: 20.73 ms (baseline: 61.55 ms, -66.3%) ✓ windrose.draw.500000: 944.3 µs (baseline: 1.51 ms, -37.3%) ✓ windrose.aggregation.948423: 44.16 ms (baseline: 71.04 ms, -37.8%) ✓ windrose.draw.948423: 608.0 µs (baseline: 2.25 ms, -73.0%) ⚠️ scaling.none.1x: 14.58 ms (baseline: 10.23 ms, +42.5%) ✓ scaling.movingAvg.1x: 2.18 ms (baseline: 3.24 ms, -32.5%) ⚠️ scaling.rdp.1x: 2.08 ms (baseline: 884.5 µs, +135.5%) scaling.none.2x: 17.04 ms (baseline: 16.64 ms, +2.4%) scaling.movingAvg.2x: 1.33 ms (baseline: 1.44 ms, -7.7%) ⚠️ scaling.rdp.2x: 1.60 ms (baseline: 832.1 µs, +92.3%) ✓ scaling.none.5x: 24.99 ms (baseline: 31.53 ms, -20.7%) scaling.movingAvg.5x: 5.14 ms (baseline: 4.99 ms, +3.0%) scaling.rdp.5x: 4.79 ms (baseline: 4.16 ms, +15.3%) ✓ scaling.none.10x: 39.87 ms (baseline: 59.50 ms, -33.0%) ✓ scaling.movingAvg.10x: 5.54 ms (baseline: 8.20 ms, -32.5%) scaling.rdp.10x: 3.76 ms (baseline: 3.98 ms, -5.5%) ✓ scaling.none.20x: 104.21 ms (baseline: 134.20 ms, -22.3%) ✓ scaling.movingAvg.20x: 10.99 ms (baseline: 27.72 ms, -60.3%) scaling.rdp.20x: 10.69 ms (baseline: 10.31 ms, +3.7%) scaling.none.50x: 327.75 ms (baseline: 274.77 ms, +19.3%) ✓ scaling.movingAvg.50x: 40.42 ms (baseline: 75.51 ms, -46.5%) ✓ scaling.rdp.50x: 19.93 ms (baseline: 32.98 ms, -39.6%) ⚠️ multiseries.movingAvg.1series: 11.11 ms (baseline: 7.73 ms, +43.7%) ✓ multiseries.rdp.1series: 3.21 ms (baseline: 5.69 ms, -43.5%) multiseries.movingAvg.2series: 10.78 ms (baseline: 10.13 ms, +6.4%) ✓ multiseries.rdp.2series: 9.46 ms (baseline: 16.31 ms, -42.0%) ✓ multiseries.movingAvg.3series: 17.75 ms (baseline: 36.47 ms, -51.3%) ✓ multiseries.rdp.3series: 23.80 ms (baseline: 28.06 ms, -15.2%) ✓ multiseries.movingAvg.5series: 36.14 ms (baseline: 43.47 ms, -16.9%) multiseries.rdp.5series: 44.05 ms (baseline: 46.50 ms, -5.3%) 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: 44.32 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: 0.018 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: 0.037 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: 18.63 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: 01:13 min [INFO] Finished at: 2026-06-11T08:53:58Z [INFO] ------------------------------------------------------------------------