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: 2.716 s [INFO] Finished at: 2026-06-11T05:47:31Z [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: 2.237 s [INFO] Finished at: 2026-06-11T05:47:35Z [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: 2026-06-11T04:36:26.039380053Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 05:48:08.517 [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 | 1.93 ms | 4.23 ms | 2.04 ms 1,000 | 7.59 ms | 2.36 ms | 3.08 ms 10,000 | 11.36 ms | 2.82 ms | 7.96 ms 49,871 | 45.05 ms | 8.37 ms | 65.17 ms 97,643 | 78.51 ms | 7.82 ms | 8.95 ms 495,995 | 423.11 ms | 59.98 ms | 27.19 ms 944,282 | 592.50 ms | 134.00 ms | 129.28 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 | 435.4 µs | 2.07 ms | 2.51 ms 10,000 | 1.99 ms | 1.88 ms | 3.87 ms 50,000 | 12.45 ms | 791.3 µs | 13.24 ms 100,000 | 17.15 ms | 1.99 ms | 19.13 ms 500,000 | 47.13 ms | 1.72 ms | 48.85 ms 948,423 | 31.79 ms | 660.1 µs | 32.45 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 | 9.59 ms ( 1.6x) | 2.47 ms ( 3.2x) | 2.05 ms ( 1.3x) 2x | 19,996 | 14.02 ms ( 2.4x) | 2.41 ms ( 3.2x) | 4.30 ms ( 2.7x) 5x | 49,871 | 27.28 ms ( 4.7x) | 5.10 ms ( 6.7x) | 6.59 ms ( 4.2x) 10x | 97,643 | 67.98 ms (11.6x) | 6.69 ms ( 8.8x) | 3.28 ms ( 2.1x) 20x | 196,569 | 109.61 ms (18.8x) | 12.21 ms (16.0x) | 13.27 ms ( 8.4x) 50x | 495,995 | 295.40 ms (50.6x) | 41.93 ms (55.0x) | 27.93 ms (17.7x) 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 | 159.1 µs | 5 | 198.3 µs 10,000 | 5 | 1.49 ms | 5 | 596.4 µs 97,643 | 5 | 5.18 ms | 5 | 4.71 ms 495,995 | 5 | 51.94 ms | 5 | 29.05 ms 944,282 | 5 | 147.92 ms | 5 | 92.16 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 | 6.53 ms | 5.86 ms 2 | 9.92 ms | 31.29 ms 3 | 18.86 ms | 20.51 ms 5 | 44.22 ms | 35.77 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 1.93 ms (baseline: 1.82 ms, +6.1%) ⚠️ sparkline.movingAvg.100: 4.23 ms (baseline: 3.09 ms, +36.8%) ⚠️ sparkline.rdp.100: 2.04 ms (baseline: 1.14 ms, +79.5%) ⚠️ sparkline.none.1000: 7.59 ms (baseline: 4.32 ms, +75.5%) ✓ sparkline.movingAvg.1000: 2.36 ms (baseline: 2.63 ms, -10.1%) ✓ sparkline.rdp.1000: 3.08 ms (baseline: 3.84 ms, -19.8%) ✓ sparkline.none.10000: 11.36 ms (baseline: 16.17 ms, -29.8%) sparkline.movingAvg.10000: 2.82 ms (baseline: 2.63 ms, +7.2%) sparkline.rdp.10000: 7.96 ms (baseline: 8.38 ms, -5.1%) ✓ sparkline.none.50000: 45.05 ms (baseline: 59.91 ms, -24.8%) sparkline.movingAvg.50000: 8.37 ms (baseline: 8.15 ms, +2.8%) sparkline.rdp.50000: 65.17 ms (baseline: 61.63 ms, +5.7%) ✓ sparkline.none.100000: 78.51 ms (baseline: 96.33 ms, -18.5%) ✓ sparkline.movingAvg.100000: 7.82 ms (baseline: 13.11 ms, -40.3%) ✓ sparkline.rdp.100000: 8.95 ms (baseline: 19.32 ms, -53.7%) sparkline.none.500000: 423.11 ms (baseline: 357.97 ms, +18.2%) ✓ sparkline.movingAvg.500000: 59.98 ms (baseline: 76.72 ms, -21.8%) sparkline.rdp.500000: 27.19 ms (baseline: 29.09 ms, -6.6%) sparkline.none.948423: 592.50 ms (baseline: 611.78 ms, -3.2%) sparkline.movingAvg.948423: 134.00 ms (baseline: 113.83 ms, +17.7%) sparkline.rdp.948423: 129.28 ms (baseline: 141.33 ms, -8.5%) ✓ windrose.aggregation.1000: 435.4 µs (baseline: 2.48 ms, -82.4%) ⚠️ windrose.draw.1000: 2.07 ms (baseline: 1.26 ms, +64.2%) ⚠️ windrose.aggregation.10000: 1.99 ms (baseline: 1.53 ms, +30.4%) windrose.draw.10000: 1.88 ms (baseline: 1.95 ms, -3.4%) ✓ windrose.aggregation.50000: 12.45 ms (baseline: 14.82 ms, -16.0%) ✓ windrose.draw.50000: 791.3 µs (baseline: 2.20 ms, -64.1%) ⚠️ windrose.aggregation.100000: 17.15 ms (baseline: 8.82 ms, +94.4%) windrose.draw.100000: 1.99 ms (baseline: 1.92 ms, +3.1%) ⚠️ windrose.aggregation.500000: 47.13 ms (baseline: 28.37 ms, +66.1%) ⚠️ windrose.draw.500000: 1.72 ms (baseline: 1.06 ms, +62.8%) ✓ windrose.aggregation.948423: 31.79 ms (baseline: 61.88 ms, -48.6%) ✓ windrose.draw.948423: 660.1 µs (baseline: 1.09 ms, -39.7%) ⚠️ scaling.none.1x: 9.59 ms (baseline: 4.32 ms, +122.1%) ⚠️ scaling.movingAvg.1x: 2.47 ms (baseline: 815.1 µs, +203.1%) ⚠️ scaling.rdp.1x: 2.05 ms (baseline: 819.9 µs, +149.9%) scaling.none.2x: 14.02 ms (baseline: 14.06 ms, -0.3%) ✓ scaling.movingAvg.2x: 2.41 ms (baseline: 4.73 ms, -49.1%) scaling.rdp.2x: 4.30 ms (baseline: 4.62 ms, -6.8%) ✓ scaling.none.5x: 27.28 ms (baseline: 36.21 ms, -24.7%) ✓ scaling.movingAvg.5x: 5.10 ms (baseline: 7.39 ms, -30.9%) ⚠️ scaling.rdp.5x: 6.59 ms (baseline: 1.87 ms, +252.6%) scaling.none.10x: 67.98 ms (baseline: 71.06 ms, -4.3%) ✓ scaling.movingAvg.10x: 6.69 ms (baseline: 8.54 ms, -21.7%) ✓ scaling.rdp.10x: 3.28 ms (baseline: 7.78 ms, -57.8%) scaling.none.20x: 109.61 ms (baseline: 106.73 ms, +2.7%) ✓ scaling.movingAvg.20x: 12.21 ms (baseline: 23.77 ms, -48.6%) ⚠️ scaling.rdp.20x: 13.27 ms (baseline: 10.82 ms, +22.6%) scaling.none.50x: 295.40 ms (baseline: 313.14 ms, -5.7%) ⚠️ scaling.movingAvg.50x: 41.93 ms (baseline: 33.50 ms, +25.2%) ⚠️ scaling.rdp.50x: 27.93 ms (baseline: 20.87 ms, +33.8%) ✓ multiseries.movingAvg.1series: 6.53 ms (baseline: 11.31 ms, -42.2%) ⚠️ multiseries.rdp.1series: 5.86 ms (baseline: 3.61 ms, +62.3%) ✓ multiseries.movingAvg.2series: 9.92 ms (baseline: 19.03 ms, -47.9%) ⚠️ multiseries.rdp.2series: 31.29 ms (baseline: 15.02 ms, +108.3%) ⚠️ multiseries.movingAvg.3series: 18.86 ms (baseline: 13.14 ms, +43.6%) ⚠️ multiseries.rdp.3series: 20.51 ms (baseline: 15.73 ms, +30.4%) multiseries.movingAvg.5series: 44.22 ms (baseline: 36.90 ms, +19.8%) ✓ multiseries.rdp.5series: 35.77 ms (baseline: 49.68 ms, -28.0%) 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: 42.19 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: 0.028 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: 18.66 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: 01:10 min [INFO] Finished at: 2026-06-11T05:48:55Z [INFO] ------------------------------------------------------------------------