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: 2.746 s [INFO] Finished at: 2026-06-11T16:28:01Z [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: 2.476 s [INFO] Finished at: 2026-06-11T16:28:06Z [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: 2026-06-11T14:26:30.807697110Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 16:28:40.253 [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 | 2.02 ms | 5.57 ms | 3.78 ms 1,000 | 12.12 ms | 3.06 ms | 4.21 ms 10,000 | 27.05 ms | 6.66 ms | 36.19 ms 49,871 | 47.05 ms | 2.84 ms | 38.36 ms 97,643 | 65.82 ms | 5.04 ms | 5.14 ms 495,995 | 380.53 ms | 69.62 ms | 27.10 ms 944,282 | 574.73 ms | 170.54 ms | 97.84 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 | 5.81 ms | 1.83 ms | 7.64 ms 10,000 | 4.40 ms | 3.61 ms | 8.01 ms 50,000 | 11.98 ms | 1.24 ms | 13.22 ms 100,000 | 4.85 ms | 1.64 ms | 6.49 ms 500,000 | 20.30 ms | 735.0 µs | 21.04 ms 948,423 | 40.82 ms | 2.26 ms | 43.08 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 | 9.88 ms ( 1.0x) | 1.15 ms ( 0.3x) | 1.24 ms ( 0.6x) 2x | 19,996 | 13.38 ms ( 1.4x) | 2.30 ms ( 0.5x) | 1.92 ms ( 1.0x) 5x | 49,871 | 48.81 ms ( 5.0x) | 7.98 ms ( 1.8x) | 7.01 ms ( 3.5x) 10x | 97,643 | 59.93 ms ( 6.1x) | 9.14 ms ( 2.1x) | 6.23 ms ( 3.1x) 20x | 196,569 | 107.05 ms (10.9x) | 22.20 ms ( 5.1x) | 7.55 ms ( 3.8x) 50x | 495,995 | 337.08 ms (34.2x) | 61.82 ms (14.1x) | 31.53 ms (15.7x) 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 | 181.6 µs | 5 | 276.0 µs 10,000 | 5 | 1.03 ms | 5 | 596.2 µs 97,643 | 5 | 8.82 ms | 5 | 6.88 ms 495,995 | 5 | 78.90 ms | 5 | 41.41 ms 944,282 | 5 | 151.51 ms | 5 | 109.62 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 | 9.59 ms | 5.26 ms 2 | 18.67 ms | 26.22 ms 3 | 12.78 ms | 21.64 ms 5 | 23.23 ms | 33.56 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.02 ms (baseline: 2.75 ms, -26.7%) ⚠️ sparkline.movingAvg.100: 5.57 ms (baseline: 3.05 ms, +82.3%) ⚠️ sparkline.rdp.100: 3.78 ms (baseline: 2.01 ms, +88.1%) ⚠️ sparkline.none.1000: 12.12 ms (baseline: 5.72 ms, +111.9%) ✓ sparkline.movingAvg.1000: 3.06 ms (baseline: 6.10 ms, -49.9%) sparkline.rdp.1000: 4.21 ms (baseline: 3.55 ms, +18.7%) ✓ sparkline.none.10000: 27.05 ms (baseline: 34.77 ms, -22.2%) sparkline.movingAvg.10000: 6.66 ms (baseline: 7.20 ms, -7.6%) ⚠️ sparkline.rdp.10000: 36.19 ms (baseline: 6.45 ms, +461.3%) ⚠️ sparkline.none.50000: 47.05 ms (baseline: 33.70 ms, +39.6%) ✓ sparkline.movingAvg.50000: 2.84 ms (baseline: 5.99 ms, -52.6%) ⚠️ sparkline.rdp.50000: 38.36 ms (baseline: 27.93 ms, +37.3%) ✓ sparkline.none.100000: 65.82 ms (baseline: 99.28 ms, -33.7%) ✓ sparkline.movingAvg.100000: 5.04 ms (baseline: 6.16 ms, -18.2%) ✓ sparkline.rdp.100000: 5.14 ms (baseline: 7.61 ms, -32.4%) sparkline.none.500000: 380.53 ms (baseline: 365.79 ms, +4.0%) ⚠️ sparkline.movingAvg.500000: 69.62 ms (baseline: 50.89 ms, +36.8%) sparkline.rdp.500000: 27.10 ms (baseline: 24.19 ms, +12.0%) ✓ sparkline.none.948423: 574.73 ms (baseline: 689.76 ms, -16.7%) ⚠️ sparkline.movingAvg.948423: 170.54 ms (baseline: 118.94 ms, +43.4%) ⚠️ sparkline.rdp.948423: 97.84 ms (baseline: 73.96 ms, +32.3%) ⚠️ windrose.aggregation.1000: 5.81 ms (baseline: 412.3 µs, +1308.5%) ✓ windrose.draw.1000: 1.83 ms (baseline: 4.06 ms, -55.0%) ⚠️ windrose.aggregation.10000: 4.40 ms (baseline: 1.44 ms, +205.0%) windrose.draw.10000: 3.61 ms (baseline: 3.04 ms, +18.7%) ✓ windrose.aggregation.50000: 11.98 ms (baseline: 22.80 ms, -47.4%) ✓ windrose.draw.50000: 1.24 ms (baseline: 1.45 ms, -14.5%) ✓ windrose.aggregation.100000: 4.85 ms (baseline: 9.04 ms, -46.4%) ✓ windrose.draw.100000: 1.64 ms (baseline: 2.06 ms, -20.4%) ✓ windrose.aggregation.500000: 20.30 ms (baseline: 59.73 ms, -66.0%) ✓ windrose.draw.500000: 735.0 µs (baseline: 4.69 ms, -84.3%) ✓ windrose.aggregation.948423: 40.82 ms (baseline: 98.77 ms, -58.7%) ⚠️ windrose.draw.948423: 2.26 ms (baseline: 1.48 ms, +52.3%) ⚠️ scaling.none.1x: 9.88 ms (baseline: 5.04 ms, +96.1%) ⚠️ scaling.movingAvg.1x: 1.15 ms (baseline: 751.0 µs, +52.5%) ⚠️ scaling.rdp.1x: 1.24 ms (baseline: 909.0 µs, +36.4%) ✓ scaling.none.2x: 13.38 ms (baseline: 20.71 ms, -35.4%) ✓ scaling.movingAvg.2x: 2.30 ms (baseline: 2.99 ms, -23.0%) ⚠️ scaling.rdp.2x: 1.92 ms (baseline: 1.55 ms, +23.7%) scaling.none.5x: 48.81 ms (baseline: 44.30 ms, +10.2%) ✓ scaling.movingAvg.5x: 7.98 ms (baseline: 9.47 ms, -15.7%) ⚠️ scaling.rdp.5x: 7.01 ms (baseline: 4.41 ms, +59.1%) ✓ scaling.none.10x: 59.93 ms (baseline: 67.37 ms, -11.0%) ⚠️ scaling.movingAvg.10x: 9.14 ms (baseline: 4.09 ms, +123.3%) ✓ scaling.rdp.10x: 6.23 ms (baseline: 8.69 ms, -28.3%) ✓ scaling.none.20x: 107.05 ms (baseline: 127.97 ms, -16.4%) scaling.movingAvg.20x: 22.20 ms (baseline: 20.98 ms, +5.8%) scaling.rdp.20x: 7.55 ms (baseline: 8.19 ms, -7.8%) ⚠️ scaling.none.50x: 337.08 ms (baseline: 269.44 ms, +25.1%) ⚠️ scaling.movingAvg.50x: 61.82 ms (baseline: 30.41 ms, +103.3%) ⚠️ scaling.rdp.50x: 31.53 ms (baseline: 25.88 ms, +21.8%) ✓ multiseries.movingAvg.1series: 9.59 ms (baseline: 15.17 ms, -36.8%) ⚠️ multiseries.rdp.1series: 5.26 ms (baseline: 3.17 ms, +65.8%) ⚠️ multiseries.movingAvg.2series: 18.67 ms (baseline: 12.42 ms, +50.2%) ⚠️ multiseries.rdp.2series: 26.22 ms (baseline: 17.41 ms, +50.6%) ✓ multiseries.movingAvg.3series: 12.78 ms (baseline: 18.23 ms, -29.9%) ⚠️ multiseries.rdp.3series: 21.64 ms (baseline: 14.98 ms, +44.4%) multiseries.movingAvg.5series: 23.23 ms (baseline: 23.92 ms, -2.9%) multiseries.rdp.5series: 33.56 ms (baseline: 32.56 ms, +3.1%) 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: 44.43 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: 0.025 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: 0.069 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: 19.33 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: 01:14 min [INFO] Finished at: 2026-06-11T16:29:29Z [INFO] ------------------------------------------------------------------------