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: 2.053 s [INFO] Finished at: 2026-04-26T12:17:00Z [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: 2.223 s [INFO] Finished at: 2026-04-26T12:17:05Z [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: 2026-04-26T10:29:05.381906896Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 12:17:33.713 [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 | 5.31 ms | 3.96 ms | 7.25 ms 1,000 | 8.35 ms | 2.61 ms | 3.93 ms 10,000 | 17.89 ms | 7.71 ms | 9.48 ms 49,871 | 43.63 ms | 5.02 ms | 27.58 ms 97,643 | 75.67 ms | 7.50 ms | 18.61 ms 495,995 | 365.86 ms | 41.06 ms | 43.29 ms 944,282 | 614.92 ms | 123.05 ms | 149.08 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 | 437.4 µs | 1.36 ms | 1.80 ms 10,000 | 4.46 ms | 2.49 ms | 6.95 ms 50,000 | 23.08 ms | 2.91 ms | 25.99 ms 100,000 | 18.05 ms | 1.27 ms | 19.32 ms 500,000 | 41.61 ms | 1.73 ms | 43.34 ms 948,423 | 103.96 ms | 674.8 µs | 104.63 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 | 6.21 ms ( 0.5x) | 1.26 ms ( 0.6x) | 1.51 ms ( 1.6x) 2x | 19,996 | 16.41 ms ( 1.4x) | 3.40 ms ( 1.7x) | 867.2 µs ( 0.9x) 5x | 49,871 | 24.75 ms ( 2.1x) | 4.35 ms ( 2.2x) | 6.73 ms ( 7.1x) 10x | 97,643 | 82.71 ms ( 7.0x) | 6.51 ms ( 3.3x) | 4.96 ms ( 5.2x) 20x | 196,569 | 105.65 ms ( 8.9x) | 14.23 ms ( 7.3x) | 11.17 ms (11.7x) 50x | 495,995 | 344.66 ms (29.1x) | 48.41 ms (24.9x) | 20.96 ms (22.0x) 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 | 181.4 µs | 5 | 207.6 µs 10,000 | 5 | 614.8 µs | 5 | 1.39 ms 97,643 | 5 | 10.00 ms | 5 | 9.21 ms 495,995 | 5 | 30.38 ms | 5 | 43.75 ms 944,282 | 5 | 123.63 ms | 5 | 62.51 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 | 13.80 ms | 6.12 ms 2 | 9.14 ms | 20.56 ms 3 | 16.07 ms | 18.16 ms 5 | 25.75 ms | 31.41 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 5.31 ms (baseline: 2.10 ms, +153.3%) ⚠️ sparkline.movingAvg.100: 3.96 ms (baseline: 1.75 ms, +126.6%) ⚠️ sparkline.rdp.100: 7.25 ms (baseline: 3.07 ms, +135.8%) ⚠️ sparkline.none.1000: 8.35 ms (baseline: 5.59 ms, +49.5%) ✓ sparkline.movingAvg.1000: 2.61 ms (baseline: 3.02 ms, -13.6%) sparkline.rdp.1000: 3.93 ms (baseline: 3.83 ms, +2.6%) ✓ sparkline.none.10000: 17.89 ms (baseline: 21.37 ms, -16.3%) ⚠️ sparkline.movingAvg.10000: 7.71 ms (baseline: 2.66 ms, +190.4%) ⚠️ sparkline.rdp.10000: 9.48 ms (baseline: 4.22 ms, +124.6%) ⚠️ sparkline.none.50000: 43.63 ms (baseline: 27.12 ms, +60.9%) ⚠️ sparkline.movingAvg.50000: 5.02 ms (baseline: 3.97 ms, +26.6%) ✓ sparkline.rdp.50000: 27.58 ms (baseline: 49.84 ms, -44.7%) ⚠️ sparkline.none.100000: 75.67 ms (baseline: 59.67 ms, +26.8%) ⚠️ sparkline.movingAvg.100000: 7.50 ms (baseline: 4.64 ms, +61.6%) ⚠️ sparkline.rdp.100000: 18.61 ms (baseline: 8.36 ms, +122.6%) ⚠️ sparkline.none.500000: 365.86 ms (baseline: 256.30 ms, +42.7%) ⚠️ sparkline.movingAvg.500000: 41.06 ms (baseline: 29.96 ms, +37.1%) ⚠️ sparkline.rdp.500000: 43.29 ms (baseline: 18.69 ms, +131.6%) ⚠️ sparkline.none.948423: 614.92 ms (baseline: 446.17 ms, +37.8%) ⚠️ sparkline.movingAvg.948423: 123.05 ms (baseline: 86.94 ms, +41.5%) ⚠️ sparkline.rdp.948423: 149.08 ms (baseline: 120.33 ms, +23.9%) windrose.aggregation.1000: 437.4 µs (baseline: 416.9 µs, +4.9%) windrose.draw.1000: 1.36 ms (baseline: 1.20 ms, +13.1%) ⚠️ windrose.aggregation.10000: 4.46 ms (baseline: 1.97 ms, +126.7%) ⚠️ windrose.draw.10000: 2.49 ms (baseline: 675.3 µs, +268.7%) ⚠️ windrose.aggregation.50000: 23.08 ms (baseline: 9.65 ms, +139.2%) ⚠️ windrose.draw.50000: 2.91 ms (baseline: 615.9 µs, +372.6%) ⚠️ windrose.aggregation.100000: 18.05 ms (baseline: 4.11 ms, +338.9%) ⚠️ windrose.draw.100000: 1.27 ms (baseline: 550.9 µs, +131.1%) ⚠️ windrose.aggregation.500000: 41.61 ms (baseline: 18.61 ms, +123.6%) ⚠️ windrose.draw.500000: 1.73 ms (baseline: 571.2 µs, +203.2%) ⚠️ windrose.aggregation.948423: 103.96 ms (baseline: 35.08 ms, +196.3%) ⚠️ windrose.draw.948423: 674.8 µs (baseline: 547.7 µs, +23.2%) scaling.none.1x: 6.21 ms (baseline: 6.79 ms, -8.5%) ⚠️ scaling.movingAvg.1x: 1.26 ms (baseline: 1.05 ms, +20.6%) ⚠️ scaling.rdp.1x: 1.51 ms (baseline: 563.2 µs, +168.2%) ⚠️ scaling.none.2x: 16.41 ms (baseline: 10.04 ms, +63.5%) ⚠️ scaling.movingAvg.2x: 3.40 ms (baseline: 1.15 ms, +194.3%) scaling.rdp.2x: 867.2 µs (baseline: 801.0 µs, +8.3%) scaling.none.5x: 24.75 ms (baseline: 22.67 ms, +9.2%) ⚠️ scaling.movingAvg.5x: 4.35 ms (baseline: 3.20 ms, +35.8%) ⚠️ scaling.rdp.5x: 6.73 ms (baseline: 1.76 ms, +281.6%) ⚠️ scaling.none.10x: 82.71 ms (baseline: 42.16 ms, +96.2%) ⚠️ scaling.movingAvg.10x: 6.51 ms (baseline: 4.50 ms, +44.9%) ⚠️ scaling.rdp.10x: 4.96 ms (baseline: 3.07 ms, +61.5%) ⚠️ scaling.none.20x: 105.65 ms (baseline: 83.26 ms, +26.9%) ⚠️ scaling.movingAvg.20x: 14.23 ms (baseline: 9.47 ms, +50.2%) ⚠️ scaling.rdp.20x: 11.17 ms (baseline: 7.36 ms, +51.9%) ⚠️ scaling.none.50x: 344.66 ms (baseline: 209.50 ms, +64.5%) ⚠️ scaling.movingAvg.50x: 48.41 ms (baseline: 35.17 ms, +37.6%) scaling.rdp.50x: 20.96 ms (baseline: 18.90 ms, +10.9%) ⚠️ multiseries.movingAvg.1series: 13.80 ms (baseline: 5.10 ms, +170.6%) ⚠️ multiseries.rdp.1series: 6.12 ms (baseline: 3.12 ms, +96.4%) ✓ multiseries.movingAvg.2series: 9.14 ms (baseline: 10.17 ms, -10.1%) ⚠️ multiseries.rdp.2series: 20.56 ms (baseline: 12.79 ms, +60.8%) multiseries.movingAvg.3series: 16.07 ms (baseline: 17.14 ms, -6.2%) ⚠️ multiseries.rdp.3series: 18.16 ms (baseline: 14.57 ms, +24.6%) multiseries.movingAvg.5series: 25.75 ms (baseline: 23.85 ms, +7.9%) ⚠️ multiseries.rdp.5series: 31.41 ms (baseline: 23.52 ms, +33.5%) 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: 43.85 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: 0.020 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: 0.039 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: 17.31 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: 01:11 min [INFO] Finished at: 2026-04-26T12:18:18Z [INFO] ------------------------------------------------------------------------