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: 1.967 s [INFO] Finished at: 2026-04-25T12:15:34Z [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: 1.869 s [INFO] Finished at: 2026-04-25T12:15:38Z [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: 2026-04-25T10:28:16.560249580Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 12:16:04.900 [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 | 4.40 ms | 4.47 ms | 3.47 ms 1,000 | 7.70 ms | 3.41 ms | 6.11 ms 10,000 | 11.78 ms | 2.06 ms | 4.76 ms 49,871 | 41.13 ms | 5.28 ms | 53.93 ms 97,643 | 76.52 ms | 9.60 ms | 52.43 ms 495,995 | 334.98 ms | 54.13 ms | 34.42 ms 944,282 | 581.81 ms | 125.23 ms | 109.51 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 | 414.6 µs | 1.52 ms | 1.94 ms 10,000 | 1.49 ms | 1.47 ms | 2.96 ms 50,000 | 6.84 ms | 1.53 ms | 8.37 ms 100,000 | 5.93 ms | 1.26 ms | 7.18 ms 500,000 | 19.58 ms | 659.3 µs | 20.24 ms 948,423 | 39.07 ms | 1.60 ms | 40.67 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 | 6.42 ms ( 0.2x) | 692.2 µs ( 0.5x) | 602.0 µs ( 0.5x) 2x | 19,996 | 19.89 ms ( 0.7x) | 1.18 ms ( 0.9x) | 883.8 µs ( 0.7x) 5x | 49,871 | 36.52 ms ( 1.2x) | 4.10 ms ( 3.2x) | 4.37 ms ( 3.6x) 10x | 97,643 | 63.58 ms ( 2.1x) | 11.69 ms ( 9.0x) | 6.01 ms ( 4.9x) 20x | 196,569 | 125.38 ms ( 4.2x) | 13.84 ms (10.7x) | 13.14 ms (10.7x) 50x | 495,995 | 334.84 ms (11.3x) | 41.29 ms (31.8x) | 20.40 ms (16.7x) 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 | 160.0 µs | 5 | 196.0 µs 10,000 | 5 | 638.0 µs | 5 | 485.5 µs 97,643 | 5 | 5.80 ms | 5 | 4.86 ms 495,995 | 5 | 38.15 ms | 5 | 50.59 ms 944,282 | 5 | 127.10 ms | 5 | 57.27 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 | 4.96 ms | 3.35 ms 2 | 12.45 ms | 13.63 ms 3 | 15.00 ms | 27.04 ms 5 | 31.10 ms | 38.59 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 4.40 ms (baseline: 1.19 ms, +270.5%) ⚠️ sparkline.movingAvg.100: 4.47 ms (baseline: 1.49 ms, +199.2%) ⚠️ sparkline.rdp.100: 3.47 ms (baseline: 1.06 ms, +226.6%) ⚠️ sparkline.none.1000: 7.70 ms (baseline: 2.53 ms, +204.8%) ⚠️ sparkline.movingAvg.1000: 3.41 ms (baseline: 1.42 ms, +140.1%) ⚠️ sparkline.rdp.1000: 6.11 ms (baseline: 1.48 ms, +312.1%) ✓ sparkline.none.10000: 11.78 ms (baseline: 13.86 ms, -15.0%) ✓ sparkline.movingAvg.10000: 2.06 ms (baseline: 2.57 ms, -19.9%) ✓ sparkline.rdp.10000: 4.76 ms (baseline: 11.82 ms, -59.7%) ⚠️ sparkline.none.50000: 41.13 ms (baseline: 28.26 ms, +45.5%) ⚠️ sparkline.movingAvg.50000: 5.28 ms (baseline: 3.61 ms, +46.4%) ⚠️ sparkline.rdp.50000: 53.93 ms (baseline: 25.41 ms, +112.3%) ⚠️ sparkline.none.100000: 76.52 ms (baseline: 53.54 ms, +42.9%) ⚠️ sparkline.movingAvg.100000: 9.60 ms (baseline: 6.15 ms, +56.1%) ⚠️ sparkline.rdp.100000: 52.43 ms (baseline: 4.72 ms, +1011.1%) ⚠️ sparkline.none.500000: 334.98 ms (baseline: 231.68 ms, +44.6%) ⚠️ sparkline.movingAvg.500000: 54.13 ms (baseline: 30.42 ms, +78.0%) ✓ sparkline.rdp.500000: 34.42 ms (baseline: 40.63 ms, -15.3%) ⚠️ sparkline.none.948423: 581.81 ms (baseline: 432.37 ms, +34.6%) ⚠️ sparkline.movingAvg.948423: 125.23 ms (baseline: 84.79 ms, +47.7%) ⚠️ sparkline.rdp.948423: 109.51 ms (baseline: 46.87 ms, +133.6%) windrose.aggregation.1000: 414.6 µs (baseline: 404.9 µs, +2.4%) ⚠️ windrose.draw.1000: 1.52 ms (baseline: 1.04 ms, +47.0%) windrose.aggregation.10000: 1.49 ms (baseline: 1.64 ms, -9.2%) ⚠️ windrose.draw.10000: 1.47 ms (baseline: 789.9 µs, +86.4%) windrose.aggregation.50000: 6.84 ms (baseline: 7.48 ms, -8.5%) ⚠️ windrose.draw.50000: 1.53 ms (baseline: 738.3 µs, +107.6%) ⚠️ windrose.aggregation.100000: 5.93 ms (baseline: 4.11 ms, +44.1%) ⚠️ windrose.draw.100000: 1.26 ms (baseline: 708.7 µs, +77.3%) windrose.aggregation.500000: 19.58 ms (baseline: 19.38 ms, +1.0%) ✓ windrose.draw.500000: 659.3 µs (baseline: 767.8 µs, -14.1%) windrose.aggregation.948423: 39.07 ms (baseline: 38.10 ms, +2.5%) ⚠️ windrose.draw.948423: 1.60 ms (baseline: 736.2 µs, +117.4%) scaling.none.1x: 6.42 ms (baseline: 5.41 ms, +18.8%) ✓ scaling.movingAvg.1x: 692.2 µs (baseline: 795.0 µs, -12.9%) ⚠️ scaling.rdp.1x: 602.0 µs (baseline: 488.9 µs, +23.1%) ⚠️ scaling.none.2x: 19.89 ms (baseline: 8.64 ms, +130.3%) ✓ scaling.movingAvg.2x: 1.18 ms (baseline: 1.31 ms, -10.4%) scaling.rdp.2x: 883.8 µs (baseline: 769.7 µs, +14.8%) ⚠️ scaling.none.5x: 36.52 ms (baseline: 21.42 ms, +70.6%) scaling.movingAvg.5x: 4.10 ms (baseline: 4.45 ms, -7.8%) ⚠️ scaling.rdp.5x: 4.37 ms (baseline: 2.42 ms, +81.0%) ⚠️ scaling.none.10x: 63.58 ms (baseline: 41.57 ms, +53.0%) ⚠️ scaling.movingAvg.10x: 11.69 ms (baseline: 6.01 ms, +94.4%) ⚠️ scaling.rdp.10x: 6.01 ms (baseline: 3.30 ms, +82.3%) ⚠️ scaling.none.20x: 125.38 ms (baseline: 81.07 ms, +54.7%) ⚠️ scaling.movingAvg.20x: 13.84 ms (baseline: 11.51 ms, +20.2%) ⚠️ scaling.rdp.20x: 13.14 ms (baseline: 6.96 ms, +88.7%) ⚠️ scaling.none.50x: 334.84 ms (baseline: 214.68 ms, +56.0%) ⚠️ scaling.movingAvg.50x: 41.29 ms (baseline: 32.28 ms, +27.9%) scaling.rdp.50x: 20.40 ms (baseline: 18.08 ms, +12.8%) multiseries.movingAvg.1series: 4.96 ms (baseline: 5.38 ms, -7.8%) multiseries.rdp.1series: 3.35 ms (baseline: 3.00 ms, +11.6%) multiseries.movingAvg.2series: 12.45 ms (baseline: 11.43 ms, +8.8%) ⚠️ multiseries.rdp.2series: 13.63 ms (baseline: 8.44 ms, +61.5%) ✓ multiseries.movingAvg.3series: 15.00 ms (baseline: 18.29 ms, -18.0%) ⚠️ multiseries.rdp.3series: 27.04 ms (baseline: 13.14 ms, +105.9%) multiseries.movingAvg.5series: 31.10 ms (baseline: 27.15 ms, +14.5%) ⚠️ multiseries.rdp.5series: 38.59 ms (baseline: 25.17 ms, +53.3%) 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: 42.55 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: 0.032 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: 0.019 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: 18.02 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: 01:09 min [INFO] Finished at: 2026-04-25T12:16:50Z [INFO] ------------------------------------------------------------------------