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=25.1.2 -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: 2.429 s [INFO] Finished at: 2026-04-17T06:38:52Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1.2 -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 -> 25.1.2 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.229 s [INFO] Finished at: 2026-04-17T06:38:57Z [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 6.8.0-107-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-04-17T05:11:36.547963028Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:39:30.088 [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 | 1.44 ms | 2.21 ms | 1.15 ms 1,000 | 2.88 ms | 1.54 ms | 1.58 ms 10,000 | 11.58 ms | 3.74 ms | 6.29 ms 49,871 | 25.16 ms | 2.87 ms | 20.26 ms 97,643 | 58.09 ms | 6.58 ms | 14.90 ms 495,995 | 278.48 ms | 29.74 ms | 19.93 ms 944,282 | 439.86 ms | 97.99 ms | 81.32 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 | 442.9 µs | 1.05 ms | 1.49 ms 10,000 | 1.54 ms | 1.22 ms | 2.76 ms 50,000 | 9.38 ms | 927.0 µs | 10.30 ms 100,000 | 3.74 ms | 907.8 µs | 4.65 ms 500,000 | 18.34 ms | 773.9 µs | 19.11 ms 948,423 | 44.91 ms | 692.6 µs | 45.61 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 | 4.21 ms ( 0.6x) | 724.7 µs ( 0.8x) | 552.2 µs ( 0.7x) 2x | 19,996 | 9.97 ms ( 1.5x) | 1.41 ms ( 1.6x) | 1.64 ms ( 2.2x) 5x | 49,871 | 25.33 ms ( 3.7x) | 2.59 ms ( 3.0x) | 2.66 ms ( 3.6x) 10x | 97,643 | 43.17 ms ( 6.3x) | 5.13 ms ( 5.8x) | 3.96 ms ( 5.4x) 20x | 196,569 | 95.85 ms (13.9x) | 9.07 ms (10.3x) | 7.82 ms (10.6x) 50x | 495,995 | 227.60 ms (33.1x) | 37.92 ms (43.2x) | 20.34 ms (27.6x) 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 | 210.4 µs | 5 | 263.4 µs 10,000 | 5 | 1.10 ms | 5 | 705.1 µs 97,643 | 5 | 4.73 ms | 5 | 3.09 ms 495,995 | 5 | 31.27 ms | 5 | 52.71 ms 944,282 | 5 | 92.57 ms | 5 | 41.90 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 | 7.06 ms | 6.34 ms 2 | 11.22 ms | 9.27 ms 3 | 17.58 ms | 14.44 ms 5 | 24.48 ms | 30.51 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.44 ms (baseline: 3.78 ms, -61.8%) ✓ sparkline.movingAvg.100: 2.21 ms (baseline: 4.30 ms, -48.6%) ✓ sparkline.rdp.100: 1.15 ms (baseline: 3.18 ms, -63.8%) ✓ sparkline.none.1000: 2.88 ms (baseline: 5.93 ms, -51.5%) ✓ sparkline.movingAvg.1000: 1.54 ms (baseline: 1.99 ms, -22.8%) ✓ sparkline.rdp.1000: 1.58 ms (baseline: 2.85 ms, -44.6%) ✓ sparkline.none.10000: 11.58 ms (baseline: 29.76 ms, -61.1%) ✓ sparkline.movingAvg.10000: 3.74 ms (baseline: 7.74 ms, -51.6%) ✓ sparkline.rdp.10000: 6.29 ms (baseline: 11.35 ms, -44.6%) ✓ sparkline.none.50000: 25.16 ms (baseline: 44.03 ms, -42.9%) ✓ sparkline.movingAvg.50000: 2.87 ms (baseline: 6.57 ms, -56.3%) ✓ sparkline.rdp.50000: 20.26 ms (baseline: 53.48 ms, -62.1%) ✓ sparkline.none.100000: 58.09 ms (baseline: 67.15 ms, -13.5%) ✓ sparkline.movingAvg.100000: 6.58 ms (baseline: 14.35 ms, -54.2%) ⚠️ sparkline.rdp.100000: 14.90 ms (baseline: 4.47 ms, +233.1%) ✓ sparkline.none.500000: 278.48 ms (baseline: 400.53 ms, -30.5%) ✓ sparkline.movingAvg.500000: 29.74 ms (baseline: 41.94 ms, -29.1%) ✓ sparkline.rdp.500000: 19.93 ms (baseline: 35.03 ms, -43.1%) ✓ sparkline.none.948423: 439.86 ms (baseline: 563.28 ms, -21.9%) ✓ sparkline.movingAvg.948423: 97.99 ms (baseline: 120.22 ms, -18.5%) ✓ sparkline.rdp.948423: 81.32 ms (baseline: 110.40 ms, -26.3%) windrose.aggregation.1000: 442.9 µs (baseline: 456.5 µs, -3.0%) ✓ windrose.draw.1000: 1.05 ms (baseline: 4.40 ms, -76.1%) windrose.aggregation.10000: 1.54 ms (baseline: 1.46 ms, +5.4%) ✓ windrose.draw.10000: 1.22 ms (baseline: 3.34 ms, -63.6%) ✓ windrose.aggregation.50000: 9.38 ms (baseline: 18.87 ms, -50.3%) ⚠️ windrose.draw.50000: 927.0 µs (baseline: 701.2 µs, +32.2%) ✓ windrose.aggregation.100000: 3.74 ms (baseline: 5.22 ms, -28.4%) ✓ windrose.draw.100000: 907.8 µs (baseline: 1.62 ms, -44.1%) ✓ windrose.aggregation.500000: 18.34 ms (baseline: 45.28 ms, -59.5%) ✓ windrose.draw.500000: 773.9 µs (baseline: 1.61 ms, -52.1%) windrose.aggregation.948423: 44.91 ms (baseline: 40.76 ms, +10.2%) ✓ windrose.draw.948423: 692.6 µs (baseline: 937.3 µs, -26.1%) ✓ scaling.none.1x: 4.21 ms (baseline: 6.27 ms, -32.8%) ✓ scaling.movingAvg.1x: 724.7 µs (baseline: 1.20 ms, -39.6%) ✓ scaling.rdp.1x: 552.2 µs (baseline: 721.0 µs, -23.4%) ✓ scaling.none.2x: 9.97 ms (baseline: 19.36 ms, -48.5%) ✓ scaling.movingAvg.2x: 1.41 ms (baseline: 3.87 ms, -63.6%) scaling.rdp.2x: 1.64 ms (baseline: 1.51 ms, +8.9%) scaling.none.5x: 25.33 ms (baseline: 27.88 ms, -9.1%) ✓ scaling.movingAvg.5x: 2.59 ms (baseline: 5.05 ms, -48.7%) ✓ scaling.rdp.5x: 2.66 ms (baseline: 3.49 ms, -23.7%) scaling.none.10x: 43.17 ms (baseline: 40.35 ms, +7.0%) ✓ scaling.movingAvg.10x: 5.13 ms (baseline: 7.96 ms, -35.5%) ✓ scaling.rdp.10x: 3.96 ms (baseline: 5.33 ms, -25.8%) ✓ scaling.none.20x: 95.85 ms (baseline: 112.52 ms, -14.8%) scaling.movingAvg.20x: 9.07 ms (baseline: 9.92 ms, -8.6%) scaling.rdp.20x: 7.82 ms (baseline: 7.37 ms, +6.1%) ✓ scaling.none.50x: 227.60 ms (baseline: 271.09 ms, -16.0%) scaling.movingAvg.50x: 37.92 ms (baseline: 38.10 ms, -0.5%) scaling.rdp.50x: 20.34 ms (baseline: 21.14 ms, -3.8%) multiseries.movingAvg.1series: 7.06 ms (baseline: 7.44 ms, -5.1%) ⚠️ multiseries.rdp.1series: 6.34 ms (baseline: 4.83 ms, +31.2%) ⚠️ multiseries.movingAvg.2series: 11.22 ms (baseline: 9.13 ms, +22.8%) ✓ multiseries.rdp.2series: 9.27 ms (baseline: 12.16 ms, -23.8%) multiseries.movingAvg.3series: 17.58 ms (baseline: 16.40 ms, +7.2%) ✓ multiseries.rdp.3series: 14.44 ms (baseline: 18.70 ms, -22.8%) multiseries.movingAvg.5series: 24.48 ms (baseline: 25.40 ms, -3.6%) multiseries.rdp.5series: 30.51 ms (baseline: 26.01 ms, +17.3%) 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: 35.47 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: 0.008 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: 13.60 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: 58.065 s [INFO] Finished at: 2026-04-17T06:40:03Z [INFO] ------------------------------------------------------------------------