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: 2.442 s [INFO] Finished at: 2026-06-14T08:42:15Z [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: 2.143 s [INFO] Finished at: 2026-06-14T08:42:19Z [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: 2026-06-14T08:30:28.033243011Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 08:42:53.049 [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 | 2.81 ms | 6.13 ms | 2.77 ms 1,000 | 6.30 ms | 2.87 ms | 3.87 ms 10,000 | 19.63 ms | 5.04 ms | 4.30 ms 49,871 | 45.00 ms | 7.73 ms | 77.25 ms 97,643 | 65.82 ms | 7.06 ms | 9.78 ms 495,995 | 405.56 ms | 82.54 ms | 28.27 ms 944,282 | 622.90 ms | 117.53 ms | 181.28 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 | 461.1 µs | 770.1 µs | 1.23 ms 10,000 | 1.66 ms | 2.26 ms | 3.92 ms 50,000 | 7.27 ms | 1.15 ms | 8.42 ms 100,000 | 13.40 ms | 835.9 µs | 14.24 ms 500,000 | 19.34 ms | 704.7 µs | 20.04 ms 948,423 | 41.13 ms | 644.8 µs | 41.77 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 | 13.62 ms ( 1.1x) | 3.47 ms ( 1.5x) | 2.71 ms ( 2.2x) 2x | 19,996 | 17.46 ms ( 1.5x) | 4.36 ms ( 1.9x) | 2.02 ms ( 1.6x) 5x | 49,871 | 24.47 ms ( 2.1x) | 3.70 ms ( 1.6x) | 3.12 ms ( 2.5x) 10x | 97,643 | 72.79 ms ( 6.1x) | 7.62 ms ( 3.3x) | 9.80 ms ( 8.0x) 20x | 196,569 | 113.53 ms ( 9.6x) | 12.62 ms ( 5.5x) | 7.24 ms ( 5.9x) 50x | 495,995 | 305.70 ms (25.8x) | 40.53 ms (17.5x) | 25.98 ms (21.1x) 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 | 202.6 µs | 5 | 401.6 µs 10,000 | 5 | 1.27 ms | 5 | 505.7 µs 97,643 | 5 | 7.17 ms | 5 | 3.22 ms 495,995 | 5 | 43.53 ms | 5 | 99.60 ms 944,282 | 5 | 132.52 ms | 5 | 77.75 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 | 4.73 ms | 3.14 ms 2 | 34.31 ms | 18.30 ms 3 | 21.01 ms | 28.17 ms 5 | 26.26 ms | 34.53 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.81 ms (baseline: 3.24 ms, -13.4%) ⚠️ sparkline.movingAvg.100: 6.13 ms (baseline: 4.84 ms, +26.8%) ⚠️ sparkline.rdp.100: 2.77 ms (baseline: 1.69 ms, +63.8%) ✓ sparkline.none.1000: 6.30 ms (baseline: 7.12 ms, -11.4%) ✓ sparkline.movingAvg.1000: 2.87 ms (baseline: 3.46 ms, -17.1%) ⚠️ sparkline.rdp.1000: 3.87 ms (baseline: 1.57 ms, +147.1%) ✓ sparkline.none.10000: 19.63 ms (baseline: 27.19 ms, -27.8%) sparkline.movingAvg.10000: 5.04 ms (baseline: 4.94 ms, +2.0%) ✓ sparkline.rdp.10000: 4.30 ms (baseline: 5.16 ms, -16.7%) sparkline.none.50000: 45.00 ms (baseline: 39.99 ms, +12.5%) sparkline.movingAvg.50000: 7.73 ms (baseline: 6.92 ms, +11.6%) sparkline.rdp.50000: 77.25 ms (baseline: 77.38 ms, -0.2%) ✓ sparkline.none.100000: 65.82 ms (baseline: 99.96 ms, -34.2%) ✓ sparkline.movingAvg.100000: 7.06 ms (baseline: 18.90 ms, -62.6%) ✓ sparkline.rdp.100000: 9.78 ms (baseline: 11.58 ms, -15.6%) ⚠️ sparkline.none.500000: 405.56 ms (baseline: 334.77 ms, +21.1%) ⚠️ sparkline.movingAvg.500000: 82.54 ms (baseline: 60.34 ms, +36.8%) ✓ sparkline.rdp.500000: 28.27 ms (baseline: 37.48 ms, -24.6%) sparkline.none.948423: 622.90 ms (baseline: 581.27 ms, +7.2%) ✓ sparkline.movingAvg.948423: 117.53 ms (baseline: 173.40 ms, -32.2%) ⚠️ sparkline.rdp.948423: 181.28 ms (baseline: 93.27 ms, +94.4%) ✓ windrose.aggregation.1000: 461.1 µs (baseline: 1.63 ms, -71.7%) ✓ windrose.draw.1000: 770.1 µs (baseline: 1.79 ms, -57.1%) ✓ windrose.aggregation.10000: 1.66 ms (baseline: 2.70 ms, -38.5%) ⚠️ windrose.draw.10000: 2.26 ms (baseline: 951.4 µs, +137.3%) ✓ windrose.aggregation.50000: 7.27 ms (baseline: 12.15 ms, -40.1%) ✓ windrose.draw.50000: 1.15 ms (baseline: 2.72 ms, -57.8%) ✓ windrose.aggregation.100000: 13.40 ms (baseline: 16.08 ms, -16.6%) ✓ windrose.draw.100000: 835.9 µs (baseline: 1.60 ms, -47.9%) ✓ windrose.aggregation.500000: 19.34 ms (baseline: 56.16 ms, -65.6%) ✓ windrose.draw.500000: 704.7 µs (baseline: 2.31 ms, -69.5%) ✓ windrose.aggregation.948423: 41.13 ms (baseline: 100.69 ms, -59.2%) ✓ windrose.draw.948423: 644.8 µs (baseline: 3.04 ms, -78.8%) ✓ scaling.none.1x: 13.62 ms (baseline: 15.73 ms, -13.4%) ⚠️ scaling.movingAvg.1x: 3.47 ms (baseline: 1.89 ms, +84.2%) ⚠️ scaling.rdp.1x: 2.71 ms (baseline: 2.12 ms, +27.7%) ⚠️ scaling.none.2x: 17.46 ms (baseline: 8.23 ms, +112.1%) ⚠️ scaling.movingAvg.2x: 4.36 ms (baseline: 2.53 ms, +72.4%) ⚠️ scaling.rdp.2x: 2.02 ms (baseline: 904.6 µs, +123.0%) scaling.none.5x: 24.47 ms (baseline: 23.69 ms, +3.3%) ⚠️ scaling.movingAvg.5x: 3.70 ms (baseline: 2.50 ms, +47.9%) ✓ scaling.rdp.5x: 3.12 ms (baseline: 3.92 ms, -20.4%) scaling.none.10x: 72.79 ms (baseline: 71.97 ms, +1.1%) ⚠️ scaling.movingAvg.10x: 7.62 ms (baseline: 6.00 ms, +27.1%) ⚠️ scaling.rdp.10x: 9.80 ms (baseline: 3.79 ms, +158.4%) ✓ scaling.none.20x: 113.53 ms (baseline: 146.37 ms, -22.4%) scaling.movingAvg.20x: 12.62 ms (baseline: 12.33 ms, +2.3%) ✓ scaling.rdp.20x: 7.24 ms (baseline: 9.08 ms, -20.2%) scaling.none.50x: 305.70 ms (baseline: 309.49 ms, -1.2%) ✓ scaling.movingAvg.50x: 40.53 ms (baseline: 47.34 ms, -14.4%) scaling.rdp.50x: 25.98 ms (baseline: 26.60 ms, -2.3%) multiseries.movingAvg.1series: 4.73 ms (baseline: 5.12 ms, -7.5%) multiseries.rdp.1series: 3.14 ms (baseline: 3.46 ms, -9.3%) ⚠️ multiseries.movingAvg.2series: 34.31 ms (baseline: 17.47 ms, +96.4%) ✓ multiseries.rdp.2series: 18.30 ms (baseline: 24.23 ms, -24.5%) multiseries.movingAvg.3series: 21.01 ms (baseline: 21.29 ms, -1.3%) ⚠️ multiseries.rdp.3series: 28.17 ms (baseline: 23.38 ms, +20.5%) ✓ multiseries.movingAvg.5series: 26.26 ms (baseline: 29.89 ms, -12.1%) multiseries.rdp.5series: 34.53 ms (baseline: 32.84 ms, +5.1%) 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: 43.00 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: 0.015 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: 0.014 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: 19.47 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: 01:12 min [INFO] Finished at: 2026-06-14T08:43:41Z [INFO] ------------------------------------------------------------------------