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: 2.477 s [INFO] Finished at: 2026-06-11T14:25:25Z [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: 2.378 s [INFO] Finished at: 2026-06-11T14:25:30Z [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: 2026-06-11T13:18:18.438557873Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 14:26:03.375 [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 | 2.75 ms | 3.05 ms | 2.01 ms 1,000 | 5.72 ms | 6.10 ms | 3.55 ms 10,000 | 34.77 ms | 7.20 ms | 6.45 ms 49,871 | 33.70 ms | 5.99 ms | 27.93 ms 97,643 | 99.28 ms | 6.16 ms | 7.61 ms 495,995 | 365.79 ms | 50.89 ms | 24.19 ms 944,282 | 689.76 ms | 118.94 ms | 73.96 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 | 412.3 µs | 4.06 ms | 4.48 ms 10,000 | 1.44 ms | 3.04 ms | 4.48 ms 50,000 | 22.80 ms | 1.45 ms | 24.24 ms 100,000 | 9.04 ms | 2.06 ms | 11.11 ms 500,000 | 59.73 ms | 4.69 ms | 64.42 ms 948,423 | 98.77 ms | 1.48 ms | 100.26 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 | 5.04 ms ( 0.8x) | 751.0 µs ( 1.2x) | 909.0 µs ( 1.6x) 2x | 19,996 | 20.71 ms ( 3.5x) | 2.99 ms ( 4.6x) | 1.55 ms ( 2.7x) 5x | 49,871 | 44.30 ms ( 7.4x) | 9.47 ms (14.7x) | 4.41 ms ( 7.8x) 10x | 97,643 | 67.37 ms (11.2x) | 4.09 ms ( 6.3x) | 8.69 ms (15.3x) 20x | 196,569 | 127.97 ms (21.3x) | 20.98 ms (32.5x) | 8.19 ms (14.4x) 50x | 495,995 | 269.44 ms (44.9x) | 30.41 ms (47.2x) | 25.88 ms (45.6x) 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 | 177.1 µs | 5 | 248.1 µs 10,000 | 5 | 713.5 µs | 5 | 996.9 µs 97,643 | 5 | 8.74 ms | 5 | 11.05 ms 495,995 | 5 | 34.96 ms | 5 | 73.03 ms 944,282 | 5 | 91.63 ms | 5 | 65.21 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 | 15.17 ms | 3.17 ms 2 | 12.42 ms | 17.41 ms 3 | 18.23 ms | 14.98 ms 5 | 23.92 ms | 32.56 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.75 ms (baseline: 3.86 ms, -28.6%) ✓ sparkline.movingAvg.100: 3.05 ms (baseline: 3.66 ms, -16.5%) ✓ sparkline.rdp.100: 2.01 ms (baseline: 5.58 ms, -64.0%) ⚠️ sparkline.none.1000: 5.72 ms (baseline: 2.76 ms, +107.0%) ⚠️ sparkline.movingAvg.1000: 6.10 ms (baseline: 1.33 ms, +357.7%) ⚠️ sparkline.rdp.1000: 3.55 ms (baseline: 2.60 ms, +36.6%) sparkline.none.10000: 34.77 ms (baseline: 31.43 ms, +10.6%) sparkline.movingAvg.10000: 7.20 ms (baseline: 6.08 ms, +18.5%) sparkline.rdp.10000: 6.45 ms (baseline: 7.10 ms, -9.2%) ✓ sparkline.none.50000: 33.70 ms (baseline: 47.57 ms, -29.2%) sparkline.movingAvg.50000: 5.99 ms (baseline: 5.60 ms, +7.0%) ✓ sparkline.rdp.50000: 27.93 ms (baseline: 54.83 ms, -49.1%) ✓ sparkline.none.100000: 99.28 ms (baseline: 125.06 ms, -20.6%) ✓ sparkline.movingAvg.100000: 6.16 ms (baseline: 7.91 ms, -22.1%) ⚠️ sparkline.rdp.100000: 7.61 ms (baseline: 5.33 ms, +42.6%) sparkline.none.500000: 365.79 ms (baseline: 402.22 ms, -9.1%) ⚠️ sparkline.movingAvg.500000: 50.89 ms (baseline: 37.19 ms, +36.8%) sparkline.rdp.500000: 24.19 ms (baseline: 23.87 ms, +1.4%) sparkline.none.948423: 689.76 ms (baseline: 697.44 ms, -1.1%) sparkline.movingAvg.948423: 118.94 ms (baseline: 106.15 ms, +12.0%) ✓ sparkline.rdp.948423: 73.96 ms (baseline: 280.42 ms, -73.6%) windrose.aggregation.1000: 412.3 µs (baseline: 418.5 µs, -1.5%) ⚠️ windrose.draw.1000: 4.06 ms (baseline: 2.23 ms, +82.3%) ✓ windrose.aggregation.10000: 1.44 ms (baseline: 3.55 ms, -59.4%) ⚠️ windrose.draw.10000: 3.04 ms (baseline: 825.2 µs, +268.4%) ⚠️ windrose.aggregation.50000: 22.80 ms (baseline: 9.57 ms, +138.3%) ✓ windrose.draw.50000: 1.45 ms (baseline: 2.11 ms, -31.6%) ✓ windrose.aggregation.100000: 9.04 ms (baseline: 20.42 ms, -55.7%) ⚠️ windrose.draw.100000: 2.06 ms (baseline: 1.44 ms, +43.1%) ⚠️ windrose.aggregation.500000: 59.73 ms (baseline: 20.68 ms, +188.8%) ⚠️ windrose.draw.500000: 4.69 ms (baseline: 1.46 ms, +222.0%) windrose.aggregation.948423: 98.77 ms (baseline: 93.84 ms, +5.3%) ⚠️ windrose.draw.948423: 1.48 ms (baseline: 753.8 µs, +97.0%) ✓ scaling.none.1x: 5.04 ms (baseline: 19.71 ms, -74.4%) ✓ scaling.movingAvg.1x: 751.0 µs (baseline: 2.29 ms, -67.1%) ✓ scaling.rdp.1x: 909.0 µs (baseline: 1.31 ms, -30.7%) scaling.none.2x: 20.71 ms (baseline: 20.05 ms, +3.3%) ✓ scaling.movingAvg.2x: 2.99 ms (baseline: 3.65 ms, -18.2%) ✓ scaling.rdp.2x: 1.55 ms (baseline: 3.04 ms, -49.0%) ⚠️ scaling.none.5x: 44.30 ms (baseline: 35.18 ms, +25.9%) ⚠️ scaling.movingAvg.5x: 9.47 ms (baseline: 3.38 ms, +180.1%) ⚠️ scaling.rdp.5x: 4.41 ms (baseline: 2.21 ms, +99.8%) ⚠️ scaling.none.10x: 67.37 ms (baseline: 51.15 ms, +31.7%) ✓ scaling.movingAvg.10x: 4.09 ms (baseline: 6.83 ms, -40.1%) ⚠️ scaling.rdp.10x: 8.69 ms (baseline: 5.25 ms, +65.7%) scaling.none.20x: 127.97 ms (baseline: 130.54 ms, -2.0%) scaling.movingAvg.20x: 20.98 ms (baseline: 22.26 ms, -5.8%) ✓ scaling.rdp.20x: 8.19 ms (baseline: 12.83 ms, -36.2%) scaling.none.50x: 269.44 ms (baseline: 277.33 ms, -2.8%) ✓ scaling.movingAvg.50x: 30.41 ms (baseline: 50.18 ms, -39.4%) ✓ scaling.rdp.50x: 25.88 ms (baseline: 53.34 ms, -51.5%) ⚠️ multiseries.movingAvg.1series: 15.17 ms (baseline: 7.20 ms, +110.7%) ✓ multiseries.rdp.1series: 3.17 ms (baseline: 6.33 ms, -49.9%) ✓ multiseries.movingAvg.2series: 12.42 ms (baseline: 31.31 ms, -60.3%) ✓ multiseries.rdp.2series: 17.41 ms (baseline: 28.78 ms, -39.5%) multiseries.movingAvg.3series: 18.23 ms (baseline: 15.50 ms, +17.7%) ✓ multiseries.rdp.3series: 14.98 ms (baseline: 20.53 ms, -27.0%) ✓ multiseries.movingAvg.5series: 23.92 ms (baseline: 43.26 ms, -44.7%) ⚠️ multiseries.rdp.5series: 32.56 ms (baseline: 24.68 ms, +31.9%) 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: 42.85 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: 0.019 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: 0.037 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: 18.20 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: 2026-06-11T14:26:49Z [INFO] ------------------------------------------------------------------------