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: 2.666 s [INFO] Finished at: 2026-06-09T08:32:51Z [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: 2.070 s [INFO] Finished at: 2026-06-09T08:32:56Z [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: 2026-06-09T08:20:57.974851046Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 08:33:30.022 [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 | 2.97 ms | 2.08 ms | 2.23 ms 1,000 | 6.50 ms | 2.57 ms | 2.88 ms 10,000 | 25.92 ms | 6.03 ms | 6.52 ms 49,871 | 29.20 ms | 2.99 ms | 73.36 ms 97,643 | 107.75 ms | 4.96 ms | 7.22 ms 495,995 | 382.73 ms | 66.44 ms | 31.75 ms 944,282 | 587.24 ms | 112.00 ms | 98.28 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 | 453.8 µs | 2.15 ms | 2.60 ms 10,000 | 1.47 ms | 1.87 ms | 3.35 ms 50,000 | 27.92 ms | 1.46 ms | 29.38 ms 100,000 | 6.47 ms | 2.74 ms | 9.21 ms 500,000 | 42.47 ms | 1.20 ms | 43.67 ms 948,423 | 75.30 ms | 1.41 ms | 76.70 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 | 8.99 ms ( 0.7x) | 696.6 µs ( 0.4x) | 1.93 ms ( 1.7x) 2x | 19,996 | 9.91 ms ( 0.8x) | 1.62 ms ( 0.8x) | 957.3 µs ( 0.9x) 5x | 49,871 | 37.26 ms ( 2.9x) | 4.31 ms ( 2.2x) | 1.98 ms ( 1.8x) 10x | 97,643 | 93.94 ms ( 7.2x) | 10.92 ms ( 5.6x) | 3.41 ms ( 3.0x) 20x | 196,569 | 110.80 ms ( 8.5x) | 14.41 ms ( 7.4x) | 9.07 ms ( 8.1x) 50x | 495,995 | 378.71 ms (29.0x) | 34.50 ms (17.7x) | 23.02 ms (20.6x) 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 | 388.1 µs | 5 | 219.0 µs 10,000 | 5 | 1.49 ms | 5 | 1.36 ms 97,643 | 5 | 5.13 ms | 5 | 5.53 ms 495,995 | 5 | 36.36 ms | 5 | 61.96 ms 944,282 | 5 | 137.17 ms | 5 | 74.56 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 | 9.30 ms | 10.05 ms 2 | 18.58 ms | 27.08 ms 3 | 17.42 ms | 17.66 ms 5 | 21.39 ms | 28.42 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 2.97 ms (baseline: 2.61 ms, +13.7%) ✓ sparkline.movingAvg.100: 2.08 ms (baseline: 2.80 ms, -25.7%) sparkline.rdp.100: 2.23 ms (baseline: 1.94 ms, +15.1%) ✓ sparkline.none.1000: 6.50 ms (baseline: 9.16 ms, -29.0%) ✓ sparkline.movingAvg.1000: 2.57 ms (baseline: 5.70 ms, -54.9%) ✓ sparkline.rdp.1000: 2.88 ms (baseline: 5.57 ms, -48.4%) ⚠️ sparkline.none.10000: 25.92 ms (baseline: 19.05 ms, +36.0%) ⚠️ sparkline.movingAvg.10000: 6.03 ms (baseline: 2.23 ms, +170.2%) ✓ sparkline.rdp.10000: 6.52 ms (baseline: 11.98 ms, -45.6%) ✓ sparkline.none.50000: 29.20 ms (baseline: 52.65 ms, -44.5%) ✓ sparkline.movingAvg.50000: 2.99 ms (baseline: 11.25 ms, -73.4%) ✓ sparkline.rdp.50000: 73.36 ms (baseline: 87.51 ms, -16.2%) ⚠️ sparkline.none.100000: 107.75 ms (baseline: 71.12 ms, +51.5%) ✓ sparkline.movingAvg.100000: 4.96 ms (baseline: 18.72 ms, -73.5%) ✓ sparkline.rdp.100000: 7.22 ms (baseline: 12.13 ms, -40.5%) sparkline.none.500000: 382.73 ms (baseline: 332.48 ms, +15.1%) ✓ sparkline.movingAvg.500000: 66.44 ms (baseline: 82.66 ms, -19.6%) sparkline.rdp.500000: 31.75 ms (baseline: 30.05 ms, +5.7%) sparkline.none.948423: 587.24 ms (baseline: 635.36 ms, -7.6%) ✓ sparkline.movingAvg.948423: 112.00 ms (baseline: 147.14 ms, -23.9%) sparkline.rdp.948423: 98.28 ms (baseline: 87.24 ms, +12.7%) ✓ windrose.aggregation.1000: 453.8 µs (baseline: 1.80 ms, -74.8%) windrose.draw.1000: 2.15 ms (baseline: 2.08 ms, +3.3%) ✓ windrose.aggregation.10000: 1.47 ms (baseline: 4.05 ms, -63.7%) windrose.draw.10000: 1.87 ms (baseline: 1.87 ms, +0.4%) ⚠️ windrose.aggregation.50000: 27.92 ms (baseline: 15.78 ms, +76.9%) windrose.draw.50000: 1.46 ms (baseline: 1.33 ms, +9.5%) ⚠️ windrose.aggregation.100000: 6.47 ms (baseline: 5.16 ms, +25.4%) windrose.draw.100000: 2.74 ms (baseline: 2.36 ms, +15.8%) ✓ windrose.aggregation.500000: 42.47 ms (baseline: 48.80 ms, -13.0%) windrose.draw.500000: 1.20 ms (baseline: 1.08 ms, +11.0%) windrose.aggregation.948423: 75.30 ms (baseline: 65.65 ms, +14.7%) ⚠️ windrose.draw.948423: 1.41 ms (baseline: 1.10 ms, +28.2%) ⚠️ scaling.none.1x: 8.99 ms (baseline: 5.80 ms, +55.1%) ✓ scaling.movingAvg.1x: 696.6 µs (baseline: 1.52 ms, -54.1%) scaling.rdp.1x: 1.93 ms (baseline: 1.71 ms, +13.2%) ✓ scaling.none.2x: 9.91 ms (baseline: 24.87 ms, -60.1%) ✓ scaling.movingAvg.2x: 1.62 ms (baseline: 3.56 ms, -54.5%) ✓ scaling.rdp.2x: 957.3 µs (baseline: 1.51 ms, -36.7%) ⚠️ scaling.none.5x: 37.26 ms (baseline: 31.04 ms, +20.0%) ✓ scaling.movingAvg.5x: 4.31 ms (baseline: 5.15 ms, -16.3%) ✓ scaling.rdp.5x: 1.98 ms (baseline: 3.52 ms, -43.9%) ⚠️ scaling.none.10x: 93.94 ms (baseline: 57.45 ms, +63.5%) ⚠️ scaling.movingAvg.10x: 10.92 ms (baseline: 6.48 ms, +68.6%) scaling.rdp.10x: 3.41 ms (baseline: 3.46 ms, -1.5%) ✓ scaling.none.20x: 110.80 ms (baseline: 153.80 ms, -28.0%) scaling.movingAvg.20x: 14.41 ms (baseline: 15.60 ms, -7.6%) scaling.rdp.20x: 9.07 ms (baseline: 9.25 ms, -1.9%) ⚠️ scaling.none.50x: 378.71 ms (baseline: 303.71 ms, +24.7%) ✓ scaling.movingAvg.50x: 34.50 ms (baseline: 75.99 ms, -54.6%) ⚠️ scaling.rdp.50x: 23.02 ms (baseline: 18.66 ms, +23.4%) ✓ multiseries.movingAvg.1series: 9.30 ms (baseline: 14.09 ms, -34.0%) multiseries.rdp.1series: 10.05 ms (baseline: 9.63 ms, +4.4%) multiseries.movingAvg.2series: 18.58 ms (baseline: 19.89 ms, -6.5%) ⚠️ multiseries.rdp.2series: 27.08 ms (baseline: 11.38 ms, +138.0%) ✓ multiseries.movingAvg.3series: 17.42 ms (baseline: 26.95 ms, -35.4%) ✓ multiseries.rdp.3series: 17.66 ms (baseline: 23.45 ms, -24.7%) ✓ multiseries.movingAvg.5series: 21.39 ms (baseline: 51.09 ms, -58.1%) ✓ multiseries.rdp.5series: 28.42 ms (baseline: 51.20 ms, -44.5%) 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: 42.72 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: 0.008 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: 0.018 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: 19.76 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: 2026-06-09T08:34:17Z [INFO] ------------------------------------------------------------------------