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: 2.672 s [INFO] Finished at: 2026-04-21T00:25:07Z [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: 2.018 s [INFO] Finished at: 2026-04-21T00:25:12Z [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: 2026-04-20T22:26:57.721494965Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 00:25:37.207 [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 | 1.34 ms | 1.70 ms | 2.28 ms 1,000 | 4.64 ms | 2.11 ms | 2.59 ms 10,000 | 20.77 ms | 3.28 ms | 9.67 ms 49,871 | 41.01 ms | 2.84 ms | 24.03 ms 97,643 | 67.84 ms | 7.26 ms | 5.14 ms 495,995 | 250.10 ms | 30.27 ms | 18.25 ms 944,282 | 461.61 ms | 92.41 ms | 120.89 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 | 651.2 µs | 868.1 µs | 1.52 ms 10,000 | 1.57 ms | 724.5 µs | 2.30 ms 50,000 | 7.30 ms | 658.0 µs | 7.96 ms 100,000 | 4.73 ms | 596.1 µs | 5.33 ms 500,000 | 18.40 ms | 546.4 µs | 18.94 ms 948,423 | 41.94 ms | 1.53 ms | 43.47 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 | 5.51 ms ( 0.6x) | 744.1 µs ( 0.5x) | 575.3 µs ( 0.8x) 2x | 19,996 | 11.38 ms ( 1.2x) | 1.18 ms ( 0.8x) | 829.4 µs ( 1.2x) 5x | 49,871 | 20.44 ms ( 2.2x) | 2.70 ms ( 1.9x) | 2.06 ms ( 2.9x) 10x | 97,643 | 37.66 ms ( 4.1x) | 4.71 ms ( 3.2x) | 3.07 ms ( 4.4x) 20x | 196,569 | 92.93 ms (10.0x) | 9.45 ms ( 6.5x) | 6.90 ms ( 9.8x) 50x | 495,995 | 227.63 ms (24.6x) | 29.43 ms (20.2x) | 23.35 ms (33.2x) 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 | 166.6 µs | 5 | 230.9 µs 10,000 | 5 | 637.7 µs | 5 | 458.1 µs 97,643 | 5 | 4.80 ms | 5 | 3.13 ms 495,995 | 5 | 37.45 ms | 5 | 17.59 ms 944,282 | 5 | 93.04 ms | 5 | 35.20 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 | 4.70 ms | 2.99 ms 2 | 10.03 ms | 10.40 ms 3 | 18.72 ms | 22.70 ms 5 | 23.45 ms | 23.03 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.34 ms (baseline: 3.85 ms, -65.2%) ✓ sparkline.movingAvg.100: 1.70 ms (baseline: 2.13 ms, -20.5%) ✓ sparkline.rdp.100: 2.28 ms (baseline: 4.00 ms, -43.0%) ✓ sparkline.none.1000: 4.64 ms (baseline: 5.50 ms, -15.6%) ✓ sparkline.movingAvg.1000: 2.11 ms (baseline: 4.73 ms, -55.3%) sparkline.rdp.1000: 2.59 ms (baseline: 2.40 ms, +7.8%) ✓ sparkline.none.10000: 20.77 ms (baseline: 41.93 ms, -50.5%) ✓ sparkline.movingAvg.10000: 3.28 ms (baseline: 10.33 ms, -68.2%) ✓ sparkline.rdp.10000: 9.67 ms (baseline: 20.55 ms, -52.9%) ✓ sparkline.none.50000: 41.01 ms (baseline: 82.51 ms, -50.3%) ✓ sparkline.movingAvg.50000: 2.84 ms (baseline: 10.29 ms, -72.4%) ✓ sparkline.rdp.50000: 24.03 ms (baseline: 68.80 ms, -65.1%) ✓ sparkline.none.100000: 67.84 ms (baseline: 89.66 ms, -24.3%) ✓ sparkline.movingAvg.100000: 7.26 ms (baseline: 11.81 ms, -38.5%) ✓ sparkline.rdp.100000: 5.14 ms (baseline: 14.34 ms, -64.1%) ✓ sparkline.none.500000: 250.10 ms (baseline: 360.29 ms, -30.6%) ✓ sparkline.movingAvg.500000: 30.27 ms (baseline: 41.75 ms, -27.5%) ✓ sparkline.rdp.500000: 18.25 ms (baseline: 44.79 ms, -59.3%) ✓ sparkline.none.948423: 461.61 ms (baseline: 593.23 ms, -22.2%) ✓ sparkline.movingAvg.948423: 92.41 ms (baseline: 119.60 ms, -22.7%) ✓ sparkline.rdp.948423: 120.89 ms (baseline: 148.82 ms, -18.8%) ✓ windrose.aggregation.1000: 651.2 µs (baseline: 880.0 µs, -26.0%) ✓ windrose.draw.1000: 868.1 µs (baseline: 2.13 ms, -59.2%) ✓ windrose.aggregation.10000: 1.57 ms (baseline: 6.40 ms, -75.4%) ✓ windrose.draw.10000: 724.5 µs (baseline: 1.53 ms, -52.7%) ✓ windrose.aggregation.50000: 7.30 ms (baseline: 14.59 ms, -49.9%) ✓ windrose.draw.50000: 658.0 µs (baseline: 1.34 ms, -50.8%) ✓ windrose.aggregation.100000: 4.73 ms (baseline: 11.80 ms, -59.9%) ✓ windrose.draw.100000: 596.1 µs (baseline: 1.90 ms, -68.6%) ✓ windrose.aggregation.500000: 18.40 ms (baseline: 52.71 ms, -65.1%) ✓ windrose.draw.500000: 546.4 µs (baseline: 1.83 ms, -70.1%) windrose.aggregation.948423: 41.94 ms (baseline: 45.68 ms, -8.2%) ⚠️ windrose.draw.948423: 1.53 ms (baseline: 757.2 µs, +101.9%) ✓ scaling.none.1x: 5.51 ms (baseline: 7.80 ms, -29.3%) scaling.movingAvg.1x: 744.1 µs (baseline: 814.0 µs, -8.6%) scaling.rdp.1x: 575.3 µs (baseline: 599.9 µs, -4.1%) ✓ scaling.none.2x: 11.38 ms (baseline: 20.85 ms, -45.4%) ✓ scaling.movingAvg.2x: 1.18 ms (baseline: 1.39 ms, -14.6%) ✓ scaling.rdp.2x: 829.4 µs (baseline: 959.5 µs, -13.6%) ✓ scaling.none.5x: 20.44 ms (baseline: 26.52 ms, -22.9%) ✓ scaling.movingAvg.5x: 2.70 ms (baseline: 4.21 ms, -35.8%) scaling.rdp.5x: 2.06 ms (baseline: 1.98 ms, +4.4%) ✓ scaling.none.10x: 37.66 ms (baseline: 83.33 ms, -54.8%) ✓ scaling.movingAvg.10x: 4.71 ms (baseline: 17.72 ms, -73.4%) ✓ scaling.rdp.10x: 3.07 ms (baseline: 12.25 ms, -75.0%) scaling.none.20x: 92.93 ms (baseline: 99.05 ms, -6.2%) ✓ scaling.movingAvg.20x: 9.45 ms (baseline: 19.87 ms, -52.4%) ✓ scaling.rdp.20x: 6.90 ms (baseline: 9.00 ms, -23.3%) ✓ scaling.none.50x: 227.63 ms (baseline: 286.88 ms, -20.7%) scaling.movingAvg.50x: 29.43 ms (baseline: 31.22 ms, -5.7%) ✓ scaling.rdp.50x: 23.35 ms (baseline: 41.15 ms, -43.2%) ✓ multiseries.movingAvg.1series: 4.70 ms (baseline: 19.40 ms, -75.8%) ✓ multiseries.rdp.1series: 2.99 ms (baseline: 4.85 ms, -38.3%) multiseries.movingAvg.2series: 10.03 ms (baseline: 10.45 ms, -4.0%) multiseries.rdp.2series: 10.40 ms (baseline: 10.01 ms, +3.9%) multiseries.movingAvg.3series: 18.72 ms (baseline: 19.37 ms, -3.4%) ⚠️ multiseries.rdp.3series: 22.70 ms (baseline: 17.74 ms, +27.9%) ✓ multiseries.movingAvg.5series: 23.45 ms (baseline: 37.94 ms, -38.2%) ✓ multiseries.rdp.5series: 23.03 ms (baseline: 37.87 ms, -39.2%) 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: 32.89 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: 0.006 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: 0.010 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: 13.14 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: 54.930 s [INFO] Finished at: 2026-04-21T00:26:09Z [INFO] ------------------------------------------------------------------------