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: 2.207 s [INFO] Finished at: 2026-04-24T04:09:29Z [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: 1.928 s [INFO] Finished at: 2026-04-24T04:09:33Z [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: 2026-04-24T01:46:48.024801648Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 04:10:02.309 [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 | 2.78 ms | 4.72 ms | 3.27 ms 1,000 | 8.11 ms | 3.46 ms | 4.34 ms 10,000 | 23.36 ms | 7.18 ms | 37.80 ms 49,871 | 42.11 ms | 3.69 ms | 36.29 ms 97,643 | 86.24 ms | 8.62 ms | 7.46 ms 495,995 | 369.68 ms | 40.06 ms | 19.59 ms 944,282 | 641.95 ms | 143.33 ms | 84.66 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 | 418.8 µs | 1.69 ms | 2.10 ms 10,000 | 1.96 ms | 1.04 ms | 3.00 ms 50,000 | 15.04 ms | 1.36 ms | 16.40 ms 100,000 | 10.31 ms | 1.96 ms | 12.27 ms 500,000 | 53.96 ms | 555.2 µs | 54.51 ms 948,423 | 41.58 ms | 987.0 µs | 42.57 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 | 9.54 ms ( 0.7x) | 681.1 µs ( 0.6x) | 1.10 ms ( 2.0x) 2x | 19,996 | 17.39 ms ( 1.3x) | 1.85 ms ( 1.5x) | 844.2 µs ( 1.6x) 5x | 49,871 | 32.94 ms ( 2.5x) | 2.56 ms ( 2.1x) | 1.85 ms ( 3.4x) 10x | 97,643 | 68.95 ms ( 5.3x) | 7.67 ms ( 6.2x) | 4.35 ms ( 8.0x) 20x | 196,569 | 126.76 ms ( 9.8x) | 13.67 ms (11.1x) | 10.81 ms (19.9x) 50x | 495,995 | 264.46 ms (20.5x) | 30.52 ms (24.8x) | 23.46 ms (43.2x) 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 | 142.3 µs | 5 | 222.1 µs 10,000 | 5 | 1.68 ms | 5 | 638.2 µs 97,643 | 5 | 5.57 ms | 5 | 6.53 ms 495,995 | 5 | 40.07 ms | 5 | 58.36 ms 944,282 | 5 | 97.84 ms | 5 | 54.25 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 | 7.63 ms | 6.06 ms 2 | 17.40 ms | 14.80 ms 3 | 20.63 ms | 19.16 ms 5 | 25.89 ms | 57.77 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 2.78 ms (baseline: 2.92 ms, -4.8%) ⚠️ sparkline.movingAvg.100: 4.72 ms (baseline: 3.68 ms, +28.1%) ⚠️ sparkline.rdp.100: 3.27 ms (baseline: 2.65 ms, +23.2%) ⚠️ sparkline.none.1000: 8.11 ms (baseline: 2.57 ms, +216.0%) ⚠️ sparkline.movingAvg.1000: 3.46 ms (baseline: 1.44 ms, +139.8%) ⚠️ sparkline.rdp.1000: 4.34 ms (baseline: 2.68 ms, +62.0%) ⚠️ sparkline.none.10000: 23.36 ms (baseline: 17.67 ms, +32.2%) ⚠️ sparkline.movingAvg.10000: 7.18 ms (baseline: 5.27 ms, +36.2%) ⚠️ sparkline.rdp.10000: 37.80 ms (baseline: 3.99 ms, +846.6%) sparkline.none.50000: 42.11 ms (baseline: 41.38 ms, +1.7%) ✓ sparkline.movingAvg.50000: 3.69 ms (baseline: 9.54 ms, -61.3%) ✓ sparkline.rdp.50000: 36.29 ms (baseline: 54.81 ms, -33.8%) ⚠️ sparkline.none.100000: 86.24 ms (baseline: 50.45 ms, +70.9%) ✓ sparkline.movingAvg.100000: 8.62 ms (baseline: 10.18 ms, -15.3%) sparkline.rdp.100000: 7.46 ms (baseline: 7.84 ms, -4.9%) sparkline.none.500000: 369.68 ms (baseline: 345.36 ms, +7.0%) ✓ sparkline.movingAvg.500000: 40.06 ms (baseline: 46.91 ms, -14.6%) ✓ sparkline.rdp.500000: 19.59 ms (baseline: 27.28 ms, -28.2%) sparkline.none.948423: 641.95 ms (baseline: 602.09 ms, +6.6%) ⚠️ sparkline.movingAvg.948423: 143.33 ms (baseline: 98.52 ms, +45.5%) ✓ sparkline.rdp.948423: 84.66 ms (baseline: 135.73 ms, -37.6%) ✓ windrose.aggregation.1000: 418.8 µs (baseline: 764.7 µs, -45.2%) ⚠️ windrose.draw.1000: 1.69 ms (baseline: 1.18 ms, +43.0%) ⚠️ windrose.aggregation.10000: 1.96 ms (baseline: 1.52 ms, +28.5%) windrose.draw.10000: 1.04 ms (baseline: 924.5 µs, +12.9%) ⚠️ windrose.aggregation.50000: 15.04 ms (baseline: 8.44 ms, +78.2%) ✓ windrose.draw.50000: 1.36 ms (baseline: 1.57 ms, -13.2%) ⚠️ windrose.aggregation.100000: 10.31 ms (baseline: 5.92 ms, +74.1%) ⚠️ windrose.draw.100000: 1.96 ms (baseline: 732.1 µs, +167.9%) ⚠️ windrose.aggregation.500000: 53.96 ms (baseline: 20.62 ms, +161.7%) windrose.draw.500000: 555.2 µs (baseline: 567.0 µs, -2.1%) windrose.aggregation.948423: 41.58 ms (baseline: 45.23 ms, -8.1%) ⚠️ windrose.draw.948423: 987.0 µs (baseline: 583.8 µs, +69.1%) ⚠️ scaling.none.1x: 9.54 ms (baseline: 5.81 ms, +64.2%) ✓ scaling.movingAvg.1x: 681.1 µs (baseline: 926.3 µs, -26.5%) ⚠️ scaling.rdp.1x: 1.10 ms (baseline: 759.7 µs, +45.4%) ⚠️ scaling.none.2x: 17.39 ms (baseline: 14.17 ms, +22.7%) scaling.movingAvg.2x: 1.85 ms (baseline: 1.93 ms, -4.0%) ✓ scaling.rdp.2x: 844.2 µs (baseline: 2.92 ms, -71.1%) ⚠️ scaling.none.5x: 32.94 ms (baseline: 20.31 ms, +62.2%) ✓ scaling.movingAvg.5x: 2.56 ms (baseline: 3.02 ms, -15.2%) scaling.rdp.5x: 1.85 ms (baseline: 1.95 ms, -5.1%) ⚠️ scaling.none.10x: 68.95 ms (baseline: 41.64 ms, +65.6%) ⚠️ scaling.movingAvg.10x: 7.67 ms (baseline: 6.02 ms, +27.3%) scaling.rdp.10x: 4.35 ms (baseline: 4.04 ms, +7.7%) ⚠️ scaling.none.20x: 126.76 ms (baseline: 79.65 ms, +59.1%) ⚠️ scaling.movingAvg.20x: 13.67 ms (baseline: 11.32 ms, +20.8%) ⚠️ scaling.rdp.20x: 10.81 ms (baseline: 7.49 ms, +44.3%) scaling.none.50x: 264.46 ms (baseline: 228.19 ms, +15.9%) ✓ scaling.movingAvg.50x: 30.52 ms (baseline: 35.29 ms, -13.5%) scaling.rdp.50x: 23.46 ms (baseline: 21.63 ms, +8.5%) ⚠️ multiseries.movingAvg.1series: 7.63 ms (baseline: 5.89 ms, +29.5%) multiseries.rdp.1series: 6.06 ms (baseline: 6.37 ms, -4.8%) ⚠️ multiseries.movingAvg.2series: 17.40 ms (baseline: 8.83 ms, +97.1%) ⚠️ multiseries.rdp.2series: 14.80 ms (baseline: 9.89 ms, +49.6%) ⚠️ multiseries.movingAvg.3series: 20.63 ms (baseline: 12.12 ms, +70.3%) ⚠️ multiseries.rdp.3series: 19.16 ms (baseline: 13.79 ms, +39.0%) multiseries.movingAvg.5series: 25.89 ms (baseline: 22.53 ms, +14.9%) ⚠️ multiseries.rdp.5series: 57.77 ms (baseline: 23.29 ms, +148.0%) 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: 43.70 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: 0.018 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: 17.72 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: 2026-04-24T04:10:47Z [INFO] ------------------------------------------------------------------------