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: 2.490 s [INFO] Finished at: 2026-06-12T01:58:22Z [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: 2.546 s [INFO] Finished at: 2026-06-12T01:58:28Z [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: 2026-06-12T00:42:54.943229497Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 01:59:02.955 [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 | 2.58 ms | 2.66 ms | 2.34 ms 1,000 | 7.42 ms | 3.46 ms | 3.70 ms 10,000 | 19.02 ms | 10.87 ms | 13.94 ms 49,871 | 42.54 ms | 4.68 ms | 57.73 ms 97,643 | 126.00 ms | 9.24 ms | 7.64 ms 495,995 | 341.52 ms | 35.51 ms | 23.17 ms 944,282 | 626.77 ms | 92.65 ms | 76.51 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 | 2.13 ms | 1.69 ms | 3.82 ms 10,000 | 1.75 ms | 1.06 ms | 2.81 ms 50,000 | 11.04 ms | 735.5 µs | 11.77 ms 100,000 | 10.14 ms | 703.9 µs | 10.84 ms 500,000 | 25.42 ms | 745.6 µs | 26.17 ms 948,423 | 47.91 ms | 666.7 µs | 48.57 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 | 11.32 ms ( 2.1x) | 1.42 ms ( 1.8x) | 757.4 µs ( 0.1x) 2x | 19,996 | 19.66 ms ( 3.7x) | 2.44 ms ( 3.2x) | 1.77 ms ( 0.2x) 5x | 49,871 | 39.37 ms ( 7.4x) | 5.94 ms ( 7.7x) | 4.00 ms ( 0.4x) 10x | 97,643 | 76.38 ms (14.3x) | 8.92 ms (11.6x) | 3.33 ms ( 0.3x) 20x | 196,569 | 145.95 ms (27.3x) | 11.97 ms (15.5x) | 8.28 ms ( 0.8x) 50x | 495,995 | 310.23 ms (58.0x) | 33.85 ms (43.8x) | 27.35 ms ( 2.5x) 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 | 146.1 µs | 5 | 220.0 µs 10,000 | 5 | 754.8 µs | 5 | 530.9 µs 97,643 | 5 | 10.80 ms | 5 | 5.22 ms 495,995 | 5 | 33.94 ms | 5 | 58.78 ms 944,282 | 5 | 123.42 ms | 5 | 81.48 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 | 6.88 ms | 4.53 ms 2 | 13.09 ms | 18.30 ms 3 | 18.80 ms | 25.84 ms 5 | 22.99 ms | 29.26 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 2.58 ms (baseline: 2.48 ms, +4.4%) ✓ sparkline.movingAvg.100: 2.66 ms (baseline: 4.33 ms, -38.5%) sparkline.rdp.100: 2.34 ms (baseline: 2.25 ms, +4.2%) sparkline.none.1000: 7.42 ms (baseline: 7.16 ms, +3.6%) ✓ sparkline.movingAvg.1000: 3.46 ms (baseline: 4.01 ms, -13.8%) ⚠️ sparkline.rdp.1000: 3.70 ms (baseline: 2.01 ms, +83.4%) sparkline.none.10000: 19.02 ms (baseline: 18.11 ms, +5.0%) ⚠️ sparkline.movingAvg.10000: 10.87 ms (baseline: 4.98 ms, +118.1%) ⚠️ sparkline.rdp.10000: 13.94 ms (baseline: 4.91 ms, +184.0%) ⚠️ sparkline.none.50000: 42.54 ms (baseline: 25.79 ms, +65.0%) ⚠️ sparkline.movingAvg.50000: 4.68 ms (baseline: 3.34 ms, +39.9%) ✓ sparkline.rdp.50000: 57.73 ms (baseline: 66.56 ms, -13.3%) ⚠️ sparkline.none.100000: 126.00 ms (baseline: 55.87 ms, +125.5%) ✓ sparkline.movingAvg.100000: 9.24 ms (baseline: 14.97 ms, -38.2%) ✓ sparkline.rdp.100000: 7.64 ms (baseline: 12.85 ms, -40.5%) ✓ sparkline.none.500000: 341.52 ms (baseline: 393.00 ms, -13.1%) ✓ sparkline.movingAvg.500000: 35.51 ms (baseline: 47.44 ms, -25.2%) sparkline.rdp.500000: 23.17 ms (baseline: 22.65 ms, +2.3%) sparkline.none.948423: 626.77 ms (baseline: 604.66 ms, +3.7%) ✓ sparkline.movingAvg.948423: 92.65 ms (baseline: 111.34 ms, -16.8%) ✓ sparkline.rdp.948423: 76.51 ms (baseline: 142.80 ms, -46.4%) ⚠️ windrose.aggregation.1000: 2.13 ms (baseline: 1.72 ms, +24.4%) ✓ windrose.draw.1000: 1.69 ms (baseline: 2.54 ms, -33.5%) ✓ windrose.aggregation.10000: 1.75 ms (baseline: 3.79 ms, -53.9%) ✓ windrose.draw.10000: 1.06 ms (baseline: 2.62 ms, -59.3%) ✓ windrose.aggregation.50000: 11.04 ms (baseline: 14.43 ms, -23.5%) ✓ windrose.draw.50000: 735.5 µs (baseline: 1.72 ms, -57.3%) ✓ windrose.aggregation.100000: 10.14 ms (baseline: 12.81 ms, -20.9%) ✓ windrose.draw.100000: 703.9 µs (baseline: 2.51 ms, -71.9%) ✓ windrose.aggregation.500000: 25.42 ms (baseline: 57.71 ms, -56.0%) ⚠️ windrose.draw.500000: 745.6 µs (baseline: 595.8 µs, +25.1%) ✓ windrose.aggregation.948423: 47.91 ms (baseline: 78.33 ms, -38.8%) ✓ windrose.draw.948423: 666.7 µs (baseline: 1.23 ms, -46.0%) ⚠️ scaling.none.1x: 11.32 ms (baseline: 8.45 ms, +34.1%) ⚠️ scaling.movingAvg.1x: 1.42 ms (baseline: 633.4 µs, +123.5%) ✓ scaling.rdp.1x: 757.4 µs (baseline: 1.33 ms, -42.8%) ⚠️ scaling.none.2x: 19.66 ms (baseline: 16.35 ms, +20.2%) ✓ scaling.movingAvg.2x: 2.44 ms (baseline: 2.82 ms, -13.4%) ⚠️ scaling.rdp.2x: 1.77 ms (baseline: 1.36 ms, +29.9%) ⚠️ scaling.none.5x: 39.37 ms (baseline: 31.10 ms, +26.6%) scaling.movingAvg.5x: 5.94 ms (baseline: 5.55 ms, +7.1%) ⚠️ scaling.rdp.5x: 4.00 ms (baseline: 1.90 ms, +111.1%) ⚠️ scaling.none.10x: 76.38 ms (baseline: 53.74 ms, +42.1%) ⚠️ scaling.movingAvg.10x: 8.92 ms (baseline: 6.42 ms, +39.0%) ✓ scaling.rdp.10x: 3.33 ms (baseline: 6.94 ms, -52.1%) scaling.none.20x: 145.95 ms (baseline: 136.73 ms, +6.7%) scaling.movingAvg.20x: 11.97 ms (baseline: 13.02 ms, -8.1%) ✓ scaling.rdp.20x: 8.28 ms (baseline: 9.63 ms, -14.0%) scaling.none.50x: 310.23 ms (baseline: 281.43 ms, +10.2%) ✓ scaling.movingAvg.50x: 33.85 ms (baseline: 39.30 ms, -13.9%) ✓ scaling.rdp.50x: 27.35 ms (baseline: 75.52 ms, -63.8%) ⚠️ multiseries.movingAvg.1series: 6.88 ms (baseline: 4.64 ms, +48.5%) ⚠️ multiseries.rdp.1series: 4.53 ms (baseline: 3.48 ms, +30.0%) multiseries.movingAvg.2series: 13.09 ms (baseline: 12.55 ms, +4.3%) ✓ multiseries.rdp.2series: 18.30 ms (baseline: 37.11 ms, -50.7%) multiseries.movingAvg.3series: 18.80 ms (baseline: 16.52 ms, +13.8%) ⚠️ multiseries.rdp.3series: 25.84 ms (baseline: 19.30 ms, +33.9%) multiseries.movingAvg.5series: 22.99 ms (baseline: 24.51 ms, -6.2%) ✓ multiseries.rdp.5series: 29.26 ms (baseline: 43.13 ms, -32.2%) 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: 43.36 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: 0.038 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: 0.051 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: 18.33 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: 01:12 min [INFO] Finished at: 2026-06-12T01:59:49Z [INFO] ------------------------------------------------------------------------