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=25.1.7 -DgenerateBackupPoms=false -B --no-transfer-progress [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: 2.821 s [INFO] Finished at: 2026-06-11T07:37:05Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1.7 -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress [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 -> 25.1.7 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.241 s [INFO] Finished at: 2026-06-11T07:37:10Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress -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: 2026-06-11T05:48:35.586677364Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:37:45.155 [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 | 2.49 ms | 2.63 ms | 2.51 ms 1,000 | 6.01 ms | 7.75 ms | 1.63 ms 10,000 | 16.18 ms | 4.20 ms | 10.97 ms 49,871 | 42.18 ms | 14.61 ms | 39.29 ms 97,643 | 77.07 ms | 15.29 ms | 5.35 ms 495,995 | 348.20 ms | 31.67 ms | 59.07 ms 944,282 | 679.91 ms | 131.47 ms | 100.26 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 | 497.6 µs | 2.27 ms | 2.77 ms 10,000 | 1.72 ms | 3.00 ms | 4.72 ms 50,000 | 8.79 ms | 1.76 ms | 10.55 ms 100,000 | 4.06 ms | 904.5 µs | 4.97 ms 500,000 | 18.79 ms | 705.7 µs | 19.50 ms 948,423 | 35.17 ms | 1.54 ms | 36.71 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 | 21.64 ms ( 2.1x) | 3.48 ms ( 2.8x) | 3.14 ms ( 2.9x) 2x | 19,996 | 40.01 ms ( 3.8x) | 2.93 ms ( 2.3x) | 960.2 µs ( 0.9x) 5x | 49,871 | 42.03 ms ( 4.0x) | 9.71 ms ( 7.7x) | 5.45 ms ( 5.1x) 10x | 97,643 | 58.44 ms ( 5.6x) | 5.26 ms ( 4.2x) | 8.08 ms ( 7.5x) 20x | 196,569 | 179.45 ms (17.1x) | 10.56 ms ( 8.4x) | 8.94 ms ( 8.3x) 50x | 495,995 | 290.23 ms (27.6x) | 65.06 ms (51.8x) | 49.42 ms (46.0x) 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 | 185.4 µs | 5 | 462.3 µs 10,000 | 5 | 567.9 µs | 5 | 655.3 µs 97,643 | 5 | 8.13 ms | 5 | 7.59 ms 495,995 | 5 | 39.68 ms | 5 | 71.75 ms 944,282 | 5 | 117.30 ms | 5 | 38.89 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 | 4.84 ms | 6.25 ms 2 | 14.20 ms | 15.23 ms 3 | 19.50 ms | 24.18 ms 5 | 32.81 ms | 35.23 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 2.49 ms (baseline: 1.93 ms, +28.9%) ✓ sparkline.movingAvg.100: 2.63 ms (baseline: 4.23 ms, -37.8%) ⚠️ sparkline.rdp.100: 2.51 ms (baseline: 2.04 ms, +23.0%) ✓ sparkline.none.1000: 6.01 ms (baseline: 7.59 ms, -20.7%) ⚠️ sparkline.movingAvg.1000: 7.75 ms (baseline: 2.36 ms, +227.8%) ✓ sparkline.rdp.1000: 1.63 ms (baseline: 3.08 ms, -47.1%) ⚠️ sparkline.none.10000: 16.18 ms (baseline: 11.36 ms, +42.5%) ⚠️ sparkline.movingAvg.10000: 4.20 ms (baseline: 2.82 ms, +48.9%) ⚠️ sparkline.rdp.10000: 10.97 ms (baseline: 7.96 ms, +37.8%) sparkline.none.50000: 42.18 ms (baseline: 45.05 ms, -6.4%) ⚠️ sparkline.movingAvg.50000: 14.61 ms (baseline: 8.37 ms, +74.4%) ✓ sparkline.rdp.50000: 39.29 ms (baseline: 65.17 ms, -39.7%) sparkline.none.100000: 77.07 ms (baseline: 78.51 ms, -1.8%) ⚠️ sparkline.movingAvg.100000: 15.29 ms (baseline: 7.82 ms, +95.4%) ✓ sparkline.rdp.100000: 5.35 ms (baseline: 8.95 ms, -40.3%) ✓ sparkline.none.500000: 348.20 ms (baseline: 423.11 ms, -17.7%) ✓ sparkline.movingAvg.500000: 31.67 ms (baseline: 59.98 ms, -47.2%) ⚠️ sparkline.rdp.500000: 59.07 ms (baseline: 27.19 ms, +117.3%) sparkline.none.948423: 679.91 ms (baseline: 592.50 ms, +14.8%) sparkline.movingAvg.948423: 131.47 ms (baseline: 134.00 ms, -1.9%) ✓ sparkline.rdp.948423: 100.26 ms (baseline: 129.28 ms, -22.4%) windrose.aggregation.1000: 497.6 µs (baseline: 435.4 µs, +14.3%) windrose.draw.1000: 2.27 ms (baseline: 2.07 ms, +9.6%) ✓ windrose.aggregation.10000: 1.72 ms (baseline: 1.99 ms, -13.4%) ⚠️ windrose.draw.10000: 3.00 ms (baseline: 1.88 ms, +59.2%) ✓ windrose.aggregation.50000: 8.79 ms (baseline: 12.45 ms, -29.4%) ⚠️ windrose.draw.50000: 1.76 ms (baseline: 791.3 µs, +122.3%) ✓ windrose.aggregation.100000: 4.06 ms (baseline: 17.15 ms, -76.3%) ✓ windrose.draw.100000: 904.5 µs (baseline: 1.99 ms, -54.4%) ✓ windrose.aggregation.500000: 18.79 ms (baseline: 47.13 ms, -60.1%) ✓ windrose.draw.500000: 705.7 µs (baseline: 1.72 ms, -59.0%) windrose.aggregation.948423: 35.17 ms (baseline: 31.79 ms, +10.6%) ⚠️ windrose.draw.948423: 1.54 ms (baseline: 660.1 µs, +133.7%) ⚠️ scaling.none.1x: 21.64 ms (baseline: 9.59 ms, +125.5%) ⚠️ scaling.movingAvg.1x: 3.48 ms (baseline: 2.47 ms, +40.7%) ⚠️ scaling.rdp.1x: 3.14 ms (baseline: 2.05 ms, +53.1%) ⚠️ scaling.none.2x: 40.01 ms (baseline: 14.02 ms, +185.5%) ⚠️ scaling.movingAvg.2x: 2.93 ms (baseline: 2.41 ms, +21.7%) ✓ scaling.rdp.2x: 960.2 µs (baseline: 4.30 ms, -77.7%) ⚠️ scaling.none.5x: 42.03 ms (baseline: 27.28 ms, +54.1%) ⚠️ scaling.movingAvg.5x: 9.71 ms (baseline: 5.10 ms, +90.3%) ✓ scaling.rdp.5x: 5.45 ms (baseline: 6.59 ms, -17.3%) ✓ scaling.none.10x: 58.44 ms (baseline: 67.98 ms, -14.0%) ✓ scaling.movingAvg.10x: 5.26 ms (baseline: 6.69 ms, -21.4%) ⚠️ scaling.rdp.10x: 8.08 ms (baseline: 3.28 ms, +146.3%) ⚠️ scaling.none.20x: 179.45 ms (baseline: 109.61 ms, +63.7%) ✓ scaling.movingAvg.20x: 10.56 ms (baseline: 12.21 ms, -13.5%) ✓ scaling.rdp.20x: 8.94 ms (baseline: 13.27 ms, -32.6%) scaling.none.50x: 290.23 ms (baseline: 295.40 ms, -1.7%) ⚠️ scaling.movingAvg.50x: 65.06 ms (baseline: 41.93 ms, +55.2%) ⚠️ scaling.rdp.50x: 49.42 ms (baseline: 27.93 ms, +76.9%) ✓ multiseries.movingAvg.1series: 4.84 ms (baseline: 6.53 ms, -25.9%) multiseries.rdp.1series: 6.25 ms (baseline: 5.86 ms, +6.7%) ⚠️ multiseries.movingAvg.2series: 14.20 ms (baseline: 9.92 ms, +43.1%) ✓ multiseries.rdp.2series: 15.23 ms (baseline: 31.29 ms, -51.3%) multiseries.movingAvg.3series: 19.50 ms (baseline: 18.86 ms, +3.4%) multiseries.rdp.3series: 24.18 ms (baseline: 20.51 ms, +17.9%) ✓ multiseries.movingAvg.5series: 32.81 ms (baseline: 44.22 ms, -25.8%) multiseries.rdp.5series: 35.23 ms (baseline: 35.77 ms, -1.5%) 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: 44.36 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: 0.012 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: 21.56 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: 2026-06-11T07:38:35Z [INFO] ------------------------------------------------------------------------