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: 2.281 s [INFO] Finished at: 2026-06-11T17:26:29Z [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: 2.352 s [INFO] Finished at: 2026-06-11T17:26:34Z [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: 2026-06-11T16:29:09.245009171Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 17:27:07.937 [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 | 3.93 ms | 4.10 ms | 2.14 ms 1,000 | 5.14 ms | 2.30 ms | 2.18 ms 10,000 | 35.90 ms | 7.55 ms | 9.19 ms 49,871 | 51.63 ms | 5.99 ms | 32.09 ms 97,643 | 96.94 ms | 23.91 ms | 6.34 ms 495,995 | 394.38 ms | 42.68 ms | 27.46 ms 944,282 | 634.48 ms | 99.24 ms | 75.29 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 | 442.9 µs | 2.51 ms | 2.95 ms 10,000 | 7.72 ms | 3.24 ms | 10.97 ms 50,000 | 16.06 ms | 1.36 ms | 17.42 ms 100,000 | 6.97 ms | 1.25 ms | 8.22 ms 500,000 | 41.50 ms | 1.36 ms | 42.87 ms 948,423 | 73.47 ms | 1.68 ms | 75.15 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 | 7.32 ms ( 1.3x) | 940.7 µs ( 1.3x) | 619.0 µs ( 0.7x) 2x | 19,996 | 25.83 ms ( 4.7x) | 3.00 ms ( 4.1x) | 1.91 ms ( 2.2x) 5x | 49,871 | 23.18 ms ( 4.2x) | 3.77 ms ( 5.2x) | 3.56 ms ( 4.1x) 10x | 97,643 | 63.79 ms (11.6x) | 5.63 ms ( 7.8x) | 5.29 ms ( 6.1x) 20x | 196,569 | 107.73 ms (19.6x) | 23.06 ms (31.8x) | 9.32 ms (10.8x) 50x | 495,995 | 272.00 ms (49.6x) | 56.07 ms (77.3x) | 29.03 ms (33.6x) 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 | 373.9 µs | 5 | 385.4 µs 10,000 | 5 | 650.2 µs | 5 | 487.0 µs 97,643 | 5 | 4.83 ms | 5 | 3.94 ms 495,995 | 5 | 49.34 ms | 5 | 37.63 ms 944,282 | 5 | 115.19 ms | 5 | 79.63 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 | 7.98 ms | 9.66 ms 2 | 25.12 ms | 22.43 ms 3 | 16.83 ms | 14.24 ms 5 | 31.74 ms | 41.51 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.93 ms (baseline: 2.02 ms, +94.6%) ✓ sparkline.movingAvg.100: 4.10 ms (baseline: 5.57 ms, -26.4%) ✓ sparkline.rdp.100: 2.14 ms (baseline: 3.78 ms, -43.4%) ✓ sparkline.none.1000: 5.14 ms (baseline: 12.12 ms, -57.6%) ✓ sparkline.movingAvg.1000: 2.30 ms (baseline: 3.06 ms, -24.6%) ✓ sparkline.rdp.1000: 2.18 ms (baseline: 4.21 ms, -48.3%) ⚠️ sparkline.none.10000: 35.90 ms (baseline: 27.05 ms, +32.7%) sparkline.movingAvg.10000: 7.55 ms (baseline: 6.66 ms, +13.4%) ✓ sparkline.rdp.10000: 9.19 ms (baseline: 36.19 ms, -74.6%) sparkline.none.50000: 51.63 ms (baseline: 47.05 ms, +9.7%) ⚠️ sparkline.movingAvg.50000: 5.99 ms (baseline: 2.84 ms, +111.3%) ✓ sparkline.rdp.50000: 32.09 ms (baseline: 38.36 ms, -16.3%) ⚠️ sparkline.none.100000: 96.94 ms (baseline: 65.82 ms, +47.3%) ⚠️ sparkline.movingAvg.100000: 23.91 ms (baseline: 5.04 ms, +374.4%) ⚠️ sparkline.rdp.100000: 6.34 ms (baseline: 5.14 ms, +23.3%) sparkline.none.500000: 394.38 ms (baseline: 380.53 ms, +3.6%) ✓ sparkline.movingAvg.500000: 42.68 ms (baseline: 69.62 ms, -38.7%) sparkline.rdp.500000: 27.46 ms (baseline: 27.10 ms, +1.3%) sparkline.none.948423: 634.48 ms (baseline: 574.73 ms, +10.4%) ✓ sparkline.movingAvg.948423: 99.24 ms (baseline: 170.54 ms, -41.8%) ✓ sparkline.rdp.948423: 75.29 ms (baseline: 97.84 ms, -23.0%) ✓ windrose.aggregation.1000: 442.9 µs (baseline: 5.81 ms, -92.4%) ⚠️ windrose.draw.1000: 2.51 ms (baseline: 1.83 ms, +37.0%) ⚠️ windrose.aggregation.10000: 7.72 ms (baseline: 4.40 ms, +75.6%) ✓ windrose.draw.10000: 3.24 ms (baseline: 3.61 ms, -10.1%) ⚠️ windrose.aggregation.50000: 16.06 ms (baseline: 11.98 ms, +34.0%) windrose.draw.50000: 1.36 ms (baseline: 1.24 ms, +10.0%) ⚠️ windrose.aggregation.100000: 6.97 ms (baseline: 4.85 ms, +43.8%) ✓ windrose.draw.100000: 1.25 ms (baseline: 1.64 ms, -23.9%) ⚠️ windrose.aggregation.500000: 41.50 ms (baseline: 20.30 ms, +104.4%) ⚠️ windrose.draw.500000: 1.36 ms (baseline: 735.0 µs, +85.5%) ⚠️ windrose.aggregation.948423: 73.47 ms (baseline: 40.82 ms, +80.0%) ✓ windrose.draw.948423: 1.68 ms (baseline: 2.26 ms, -25.7%) ✓ scaling.none.1x: 7.32 ms (baseline: 9.88 ms, -25.9%) ✓ scaling.movingAvg.1x: 940.7 µs (baseline: 1.15 ms, -17.8%) ✓ scaling.rdp.1x: 619.0 µs (baseline: 1.24 ms, -50.1%) ⚠️ scaling.none.2x: 25.83 ms (baseline: 13.38 ms, +93.0%) ⚠️ scaling.movingAvg.2x: 3.00 ms (baseline: 2.30 ms, +30.2%) scaling.rdp.2x: 1.91 ms (baseline: 1.92 ms, -0.1%) ✓ scaling.none.5x: 23.18 ms (baseline: 48.81 ms, -52.5%) ✓ scaling.movingAvg.5x: 3.77 ms (baseline: 7.98 ms, -52.8%) ✓ scaling.rdp.5x: 3.56 ms (baseline: 7.01 ms, -49.2%) scaling.none.10x: 63.79 ms (baseline: 59.93 ms, +6.4%) ✓ scaling.movingAvg.10x: 5.63 ms (baseline: 9.14 ms, -38.4%) ✓ scaling.rdp.10x: 5.29 ms (baseline: 6.23 ms, -15.1%) scaling.none.20x: 107.73 ms (baseline: 107.05 ms, +0.6%) scaling.movingAvg.20x: 23.06 ms (baseline: 22.20 ms, +3.9%) ⚠️ scaling.rdp.20x: 9.32 ms (baseline: 7.55 ms, +23.5%) ✓ scaling.none.50x: 272.00 ms (baseline: 337.08 ms, -19.3%) scaling.movingAvg.50x: 56.07 ms (baseline: 61.82 ms, -9.3%) scaling.rdp.50x: 29.03 ms (baseline: 31.53 ms, -7.9%) ✓ multiseries.movingAvg.1series: 7.98 ms (baseline: 9.59 ms, -16.8%) ⚠️ multiseries.rdp.1series: 9.66 ms (baseline: 5.26 ms, +83.6%) ⚠️ multiseries.movingAvg.2series: 25.12 ms (baseline: 18.67 ms, +34.6%) ✓ multiseries.rdp.2series: 22.43 ms (baseline: 26.22 ms, -14.4%) ⚠️ multiseries.movingAvg.3series: 16.83 ms (baseline: 12.78 ms, +31.7%) ✓ multiseries.rdp.3series: 14.24 ms (baseline: 21.64 ms, -34.2%) ⚠️ multiseries.movingAvg.5series: 31.74 ms (baseline: 23.23 ms, +36.6%) ⚠️ multiseries.rdp.5series: 41.51 ms (baseline: 33.56 ms, +23.7%) 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: 41.94 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: 0.055 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: 0.059 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: 17.83 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: 01:10 min [INFO] Finished at: 2026-06-11T17:27:53Z [INFO] ------------------------------------------------------------------------