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=25.2-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: 2.320 s [INFO] Finished at: 2026-06-10T21:45:05Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2-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 -> 25.2-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.210 s [INFO] Finished at: 2026-06-10T21:45:09Z [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: 2026-06-10T19:58:17.158615165Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 21:45:45.836 [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 | 2.03 ms | 3.69 ms | 1.31 ms 1,000 | 4.84 ms | 2.60 ms | 3.79 ms 10,000 | 31.87 ms | 3.16 ms | 7.62 ms 49,871 | 49.46 ms | 5.35 ms | 40.43 ms 97,643 | 64.94 ms | 16.47 ms | 11.03 ms 495,995 | 353.63 ms | 42.64 ms | 50.46 ms 944,282 | 657.13 ms | 114.91 ms | 55.63 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 | 853.2 µs | 817.1 µs | 1.67 ms 10,000 | 1.63 ms | 2.66 ms | 4.28 ms 50,000 | 20.96 ms | 1.65 ms | 22.61 ms 100,000 | 14.07 ms | 1.72 ms | 15.79 ms 500,000 | 39.44 ms | 617.6 µs | 40.06 ms 948,423 | 77.85 ms | 596.1 µs | 78.45 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 | 10.20 ms ( 1.3x) | 817.7 µs ( 1.1x) | 723.1 µs ( 0.4x) 2x | 19,996 | 10.98 ms ( 1.4x) | 2.17 ms ( 2.9x) | 2.03 ms ( 1.1x) 5x | 49,871 | 23.85 ms ( 3.1x) | 8.13 ms (10.9x) | 2.02 ms ( 1.1x) 10x | 97,643 | 59.93 ms ( 7.8x) | 5.94 ms ( 8.0x) | 3.77 ms ( 2.0x) 20x | 196,569 | 141.47 ms (18.4x) | 11.37 ms (15.3x) | 22.25 ms (12.1x) 50x | 495,995 | 291.05 ms (37.9x) | 53.25 ms (71.5x) | 21.26 ms (11.5x) 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 | 438.1 µs | 5 | 269.8 µs 10,000 | 5 | 1.72 ms | 5 | 1.36 ms 97,643 | 5 | 7.53 ms | 5 | 7.06 ms 495,995 | 5 | 46.18 ms | 5 | 31.10 ms 944,282 | 5 | 136.40 ms | 5 | 122.90 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 | 6.32 ms | 9.86 ms 2 | 13.24 ms | 9.61 ms 3 | 19.15 ms | 24.46 ms 5 | 40.46 ms | 29.91 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.03 ms (baseline: 2.54 ms, -20.4%) sparkline.movingAvg.100: 3.69 ms (baseline: 3.75 ms, -1.6%) ✓ sparkline.rdp.100: 1.31 ms (baseline: 3.14 ms, -58.3%) ✓ sparkline.none.1000: 4.84 ms (baseline: 11.99 ms, -59.6%) ⚠️ sparkline.movingAvg.1000: 2.60 ms (baseline: 1.38 ms, +88.5%) ⚠️ sparkline.rdp.1000: 3.79 ms (baseline: 1.64 ms, +130.9%) ⚠️ sparkline.none.10000: 31.87 ms (baseline: 23.57 ms, +35.2%) ✓ sparkline.movingAvg.10000: 3.16 ms (baseline: 7.36 ms, -57.0%) ⚠️ sparkline.rdp.10000: 7.62 ms (baseline: 4.80 ms, +58.7%) ⚠️ sparkline.none.50000: 49.46 ms (baseline: 35.69 ms, +38.6%) ✓ sparkline.movingAvg.50000: 5.35 ms (baseline: 7.77 ms, -31.2%) ✓ sparkline.rdp.50000: 40.43 ms (baseline: 56.83 ms, -28.9%) sparkline.none.100000: 64.94 ms (baseline: 59.42 ms, +9.3%) ⚠️ sparkline.movingAvg.100000: 16.47 ms (baseline: 10.92 ms, +50.8%) ⚠️ sparkline.rdp.100000: 11.03 ms (baseline: 6.02 ms, +83.2%) sparkline.none.500000: 353.63 ms (baseline: 364.77 ms, -3.1%) ✓ sparkline.movingAvg.500000: 42.64 ms (baseline: 55.98 ms, -23.8%) ⚠️ sparkline.rdp.500000: 50.46 ms (baseline: 29.57 ms, +70.7%) sparkline.none.948423: 657.13 ms (baseline: 594.02 ms, +10.6%) ✓ sparkline.movingAvg.948423: 114.91 ms (baseline: 129.01 ms, -10.9%) ✓ sparkline.rdp.948423: 55.63 ms (baseline: 124.01 ms, -55.1%) ⚠️ windrose.aggregation.1000: 853.2 µs (baseline: 588.8 µs, +44.9%) ✓ windrose.draw.1000: 817.1 µs (baseline: 3.52 ms, -76.8%) ✓ windrose.aggregation.10000: 1.63 ms (baseline: 3.58 ms, -54.5%) windrose.draw.10000: 2.66 ms (baseline: 2.38 ms, +11.7%) ⚠️ windrose.aggregation.50000: 20.96 ms (baseline: 14.89 ms, +40.8%) windrose.draw.50000: 1.65 ms (baseline: 1.58 ms, +4.6%) ✓ windrose.aggregation.100000: 14.07 ms (baseline: 18.98 ms, -25.9%) ✓ windrose.draw.100000: 1.72 ms (baseline: 2.84 ms, -39.2%) ✓ windrose.aggregation.500000: 39.44 ms (baseline: 45.94 ms, -14.2%) ✓ windrose.draw.500000: 617.6 µs (baseline: 1.94 ms, -68.2%) ⚠️ windrose.aggregation.948423: 77.85 ms (baseline: 64.84 ms, +20.1%) ✓ windrose.draw.948423: 596.1 µs (baseline: 1.44 ms, -58.5%) ⚠️ scaling.none.1x: 10.20 ms (baseline: 6.01 ms, +69.8%) ⚠️ scaling.movingAvg.1x: 817.7 µs (baseline: 680.6 µs, +20.1%) ✓ scaling.rdp.1x: 723.1 µs (baseline: 857.0 µs, -15.6%) scaling.none.2x: 10.98 ms (baseline: 10.66 ms, +3.0%) scaling.movingAvg.2x: 2.17 ms (baseline: 2.29 ms, -5.3%) ⚠️ scaling.rdp.2x: 2.03 ms (baseline: 1.17 ms, +73.2%) scaling.none.5x: 23.85 ms (baseline: 20.91 ms, +14.1%) ⚠️ scaling.movingAvg.5x: 8.13 ms (baseline: 4.40 ms, +84.6%) scaling.rdp.5x: 2.02 ms (baseline: 2.01 ms, +0.4%) ✓ scaling.none.10x: 59.93 ms (baseline: 77.56 ms, -22.7%) scaling.movingAvg.10x: 5.94 ms (baseline: 5.65 ms, +5.2%) ✓ scaling.rdp.10x: 3.77 ms (baseline: 9.03 ms, -58.3%) scaling.none.20x: 141.47 ms (baseline: 127.43 ms, +11.0%) ✓ scaling.movingAvg.20x: 11.37 ms (baseline: 19.66 ms, -42.2%) ⚠️ scaling.rdp.20x: 22.25 ms (baseline: 11.89 ms, +87.0%) scaling.none.50x: 291.05 ms (baseline: 301.32 ms, -3.4%) ⚠️ scaling.movingAvg.50x: 53.25 ms (baseline: 43.60 ms, +22.2%) ✓ scaling.rdp.50x: 21.26 ms (baseline: 63.49 ms, -66.5%) ✓ multiseries.movingAvg.1series: 6.32 ms (baseline: 11.23 ms, -43.7%) multiseries.rdp.1series: 9.86 ms (baseline: 9.93 ms, -0.7%) ✓ multiseries.movingAvg.2series: 13.24 ms (baseline: 17.47 ms, -24.2%) ✓ multiseries.rdp.2series: 9.61 ms (baseline: 23.62 ms, -59.3%) multiseries.movingAvg.3series: 19.15 ms (baseline: 21.04 ms, -9.0%) ✓ multiseries.rdp.3series: 24.46 ms (baseline: 29.37 ms, -16.7%) multiseries.movingAvg.5series: 40.46 ms (baseline: 44.85 ms, -9.8%) ✓ multiseries.rdp.5series: 29.91 ms (baseline: 41.23 ms, -27.5%) 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: 43.95 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: 0.007 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: 0.010 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: 20.48 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: 01:15 min [INFO] Finished at: 2026-06-10T21:46:34Z [INFO] ------------------------------------------------------------------------