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: 2.688 s [INFO] Finished at: 2026-06-10T17:17:40Z [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: 2.245 s [INFO] Finished at: 2026-06-10T17:17:45Z [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: 2026-06-10T16:22:56.277249936Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 17:18:20.531 [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 | 4.69 ms | 3.44 ms | 1.42 ms 1,000 | 8.60 ms | 3.01 ms | 4.48 ms 10,000 | 23.12 ms | 3.86 ms | 5.70 ms 49,871 | 43.14 ms | 3.62 ms | 59.17 ms 97,643 | 85.81 ms | 5.65 ms | 9.35 ms 495,995 | 327.79 ms | 53.59 ms | 19.32 ms 944,282 | 635.91 ms | 109.27 ms | 97.85 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 | 390.4 µs | 1.61 ms | 2.00 ms 10,000 | 3.34 ms | 1.48 ms | 4.82 ms 50,000 | 16.26 ms | 2.80 ms | 19.06 ms 100,000 | 16.65 ms | 1.34 ms | 17.99 ms 500,000 | 94.09 ms | 1.30 ms | 95.38 ms 948,423 | 133.54 ms | 9.76 ms | 143.30 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 | 6.41 ms ( 1.2x) | 931.0 µs ( 1.3x) | 1.26 ms ( 1.8x) 2x | 19,996 | 41.43 ms ( 7.5x) | 1.97 ms ( 2.7x) | 2.01 ms ( 2.9x) 5x | 49,871 | 32.23 ms ( 5.8x) | 7.09 ms ( 9.8x) | 1.98 ms ( 2.9x) 10x | 97,643 | 66.33 ms (11.9x) | 12.33 ms (17.0x) | 5.19 ms ( 7.6x) 20x | 196,569 | 97.34 ms (17.5x) | 9.41 ms (13.0x) | 10.89 ms (15.9x) 50x | 495,995 | 293.98 ms (52.9x) | 32.94 ms (45.6x) | 20.32 ms (29.6x) 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 | 217.3 µs | 5 | 214.8 µs 10,000 | 5 | 555.9 µs | 5 | 557.9 µs 97,643 | 5 | 6.61 ms | 5 | 5.04 ms 495,995 | 5 | 35.95 ms | 5 | 51.36 ms 944,282 | 5 | 109.14 ms | 5 | 96.03 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 | 7.47 ms | 6.60 ms 2 | 12.26 ms | 18.92 ms 3 | 12.33 ms | 15.44 ms 5 | 22.67 ms | 31.81 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 4.69 ms (baseline: 2.42 ms, +93.4%) ✓ sparkline.movingAvg.100: 3.44 ms (baseline: 7.90 ms, -56.5%) ✓ sparkline.rdp.100: 1.42 ms (baseline: 6.44 ms, -77.9%) ✓ sparkline.none.1000: 8.60 ms (baseline: 11.71 ms, -26.6%) sparkline.movingAvg.1000: 3.01 ms (baseline: 2.58 ms, +17.0%) ✓ sparkline.rdp.1000: 4.48 ms (baseline: 6.23 ms, -28.0%) sparkline.none.10000: 23.12 ms (baseline: 23.94 ms, -3.4%) ✓ sparkline.movingAvg.10000: 3.86 ms (baseline: 6.33 ms, -39.1%) ✓ sparkline.rdp.10000: 5.70 ms (baseline: 9.64 ms, -40.9%) ✓ sparkline.none.50000: 43.14 ms (baseline: 58.92 ms, -26.8%) ✓ sparkline.movingAvg.50000: 3.62 ms (baseline: 6.22 ms, -41.8%) sparkline.rdp.50000: 59.17 ms (baseline: 52.58 ms, +12.5%) ⚠️ sparkline.none.100000: 85.81 ms (baseline: 67.72 ms, +26.7%) ✓ sparkline.movingAvg.100000: 5.65 ms (baseline: 10.43 ms, -45.8%) ⚠️ sparkline.rdp.100000: 9.35 ms (baseline: 6.85 ms, +36.5%) ✓ sparkline.none.500000: 327.79 ms (baseline: 376.22 ms, -12.9%) sparkline.movingAvg.500000: 53.59 ms (baseline: 56.90 ms, -5.8%) ✓ sparkline.rdp.500000: 19.32 ms (baseline: 32.98 ms, -41.4%) ✓ sparkline.none.948423: 635.91 ms (baseline: 713.84 ms, -10.9%) sparkline.movingAvg.948423: 109.27 ms (baseline: 93.50 ms, +16.9%) sparkline.rdp.948423: 97.85 ms (baseline: 90.14 ms, +8.6%) ✓ windrose.aggregation.1000: 390.4 µs (baseline: 439.0 µs, -11.1%) ✓ windrose.draw.1000: 1.61 ms (baseline: 2.53 ms, -36.4%) ✓ windrose.aggregation.10000: 3.34 ms (baseline: 6.27 ms, -46.8%) ⚠️ windrose.draw.10000: 1.48 ms (baseline: 1.03 ms, +44.7%) ✓ windrose.aggregation.50000: 16.26 ms (baseline: 19.11 ms, -14.9%) ⚠️ windrose.draw.50000: 2.80 ms (baseline: 2.23 ms, +25.3%) windrose.aggregation.100000: 16.65 ms (baseline: 15.75 ms, +5.7%) ✓ windrose.draw.100000: 1.34 ms (baseline: 3.74 ms, -64.1%) ⚠️ windrose.aggregation.500000: 94.09 ms (baseline: 55.25 ms, +70.3%) windrose.draw.500000: 1.30 ms (baseline: 1.15 ms, +12.5%) ✓ windrose.aggregation.948423: 133.54 ms (baseline: 163.24 ms, -18.2%) ⚠️ windrose.draw.948423: 9.76 ms (baseline: 1.09 ms, +793.0%) ✓ scaling.none.1x: 6.41 ms (baseline: 7.70 ms, -16.7%) ⚠️ scaling.movingAvg.1x: 931.0 µs (baseline: 604.0 µs, +54.1%) ⚠️ scaling.rdp.1x: 1.26 ms (baseline: 555.8 µs, +127.0%) ⚠️ scaling.none.2x: 41.43 ms (baseline: 8.42 ms, +392.1%) scaling.movingAvg.2x: 1.97 ms (baseline: 1.82 ms, +7.9%) ✓ scaling.rdp.2x: 2.01 ms (baseline: 3.23 ms, -37.9%) scaling.none.5x: 32.23 ms (baseline: 28.14 ms, +14.5%) ⚠️ scaling.movingAvg.5x: 7.09 ms (baseline: 4.98 ms, +42.4%) ✓ scaling.rdp.5x: 1.98 ms (baseline: 4.98 ms, -60.2%) scaling.none.10x: 66.33 ms (baseline: 56.21 ms, +18.0%) ⚠️ scaling.movingAvg.10x: 12.33 ms (baseline: 9.07 ms, +35.9%) ✓ scaling.rdp.10x: 5.19 ms (baseline: 7.93 ms, -34.6%) ✓ scaling.none.20x: 97.34 ms (baseline: 144.27 ms, -32.5%) ✓ scaling.movingAvg.20x: 9.41 ms (baseline: 20.07 ms, -53.1%) ⚠️ scaling.rdp.20x: 10.89 ms (baseline: 7.88 ms, +38.2%) scaling.none.50x: 293.98 ms (baseline: 280.41 ms, +4.8%) scaling.movingAvg.50x: 32.94 ms (baseline: 29.33 ms, +12.3%) ✓ scaling.rdp.50x: 20.32 ms (baseline: 36.19 ms, -43.9%) ✓ multiseries.movingAvg.1series: 7.47 ms (baseline: 12.69 ms, -41.1%) ✓ multiseries.rdp.1series: 6.60 ms (baseline: 10.45 ms, -36.9%) multiseries.movingAvg.2series: 12.26 ms (baseline: 13.27 ms, -7.6%) ⚠️ multiseries.rdp.2series: 18.92 ms (baseline: 8.85 ms, +113.8%) ✓ multiseries.movingAvg.3series: 12.33 ms (baseline: 22.01 ms, -44.0%) ✓ multiseries.rdp.3series: 15.44 ms (baseline: 20.21 ms, -23.6%) ✓ multiseries.movingAvg.5series: 22.67 ms (baseline: 40.71 ms, -44.3%) ✓ multiseries.rdp.5series: 31.81 ms (baseline: 45.49 ms, -30.1%) 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: 42.99 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: 0.013 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: 0.011 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: 20.03 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: 01:13 min [INFO] Finished at: 2026-06-10T17:19:07Z [INFO] ------------------------------------------------------------------------