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=25.1.6 -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: 2.524 s [INFO] Finished at: 2026-06-06T07:03:43Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1.6 -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 -> 25.1.6 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.286 s [INFO] Finished at: 2026-06-06T07:03:48Z [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: 2026-06-06T05:30:29.018710165Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:04:20.588 [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 | 3.03 ms | 1.43 ms | 1.10 ms 1,000 | 2.90 ms | 1.97 ms | 2.29 ms 10,000 | 22.06 ms | 1.88 ms | 5.02 ms 49,871 | 49.01 ms | 5.12 ms | 55.77 ms 97,643 | 91.41 ms | 6.35 ms | 5.76 ms 495,995 | 312.96 ms | 33.39 ms | 38.80 ms 944,282 | 604.19 ms | 135.46 ms | 129.49 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 | 6.39 ms | 1.31 ms | 7.70 ms 10,000 | 1.45 ms | 1.33 ms | 2.78 ms 50,000 | 12.80 ms | 1.10 ms | 13.89 ms 100,000 | 9.57 ms | 1.58 ms | 11.15 ms 500,000 | 23.78 ms | 823.0 µs | 24.60 ms 948,423 | 51.21 ms | 1.30 ms | 52.51 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 | 10.84 ms ( 0.6x) | 845.2 µs ( 0.3x) | 1.65 ms ( 2.4x) 2x | 19,996 | 15.46 ms ( 0.9x) | 1.73 ms ( 0.5x) | 1.10 ms ( 1.6x) 5x | 49,871 | 37.12 ms ( 2.2x) | 4.60 ms ( 1.4x) | 2.66 ms ( 3.9x) 10x | 97,643 | 64.27 ms ( 3.8x) | 7.71 ms ( 2.3x) | 3.99 ms ( 5.9x) 20x | 196,569 | 123.12 ms ( 7.4x) | 12.23 ms ( 3.7x) | 15.90 ms (23.4x) 50x | 495,995 | 293.18 ms (17.5x) | 27.70 ms ( 8.3x) | 22.57 ms (33.3x) 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 | 1.35 ms | 5 | 787.7 µs 10,000 | 5 | 1.09 ms | 5 | 480.8 µs 97,643 | 5 | 5.16 ms | 5 | 3.18 ms 495,995 | 5 | 30.29 ms | 5 | 46.11 ms 944,282 | 5 | 111.71 ms | 5 | 108.20 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 | 10.20 ms | 21.38 ms 2 | 25.73 ms | 19.88 ms 3 | 15.26 ms | 17.09 ms 5 | 31.88 ms | 37.26 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 3.03 ms (baseline: 3.22 ms, -6.1%) ✓ sparkline.movingAvg.100: 1.43 ms (baseline: 4.13 ms, -65.3%) ✓ sparkline.rdp.100: 1.10 ms (baseline: 3.45 ms, -68.3%) ✓ sparkline.none.1000: 2.90 ms (baseline: 7.86 ms, -63.1%) ✓ sparkline.movingAvg.1000: 1.97 ms (baseline: 3.14 ms, -37.2%) ✓ sparkline.rdp.1000: 2.29 ms (baseline: 5.41 ms, -57.6%) sparkline.none.10000: 22.06 ms (baseline: 22.21 ms, -0.7%) ✓ sparkline.movingAvg.10000: 1.88 ms (baseline: 6.72 ms, -72.0%) ✓ sparkline.rdp.10000: 5.02 ms (baseline: 11.61 ms, -56.7%) sparkline.none.50000: 49.01 ms (baseline: 44.61 ms, +9.9%) ⚠️ sparkline.movingAvg.50000: 5.12 ms (baseline: 3.55 ms, +44.0%) ✓ sparkline.rdp.50000: 55.77 ms (baseline: 73.96 ms, -24.6%) ✓ sparkline.none.100000: 91.41 ms (baseline: 118.31 ms, -22.7%) ✓ sparkline.movingAvg.100000: 6.35 ms (baseline: 9.74 ms, -34.7%) ✓ sparkline.rdp.100000: 5.76 ms (baseline: 21.71 ms, -73.5%) ✓ sparkline.none.500000: 312.96 ms (baseline: 398.29 ms, -21.4%) sparkline.movingAvg.500000: 33.39 ms (baseline: 31.65 ms, +5.5%) ⚠️ sparkline.rdp.500000: 38.80 ms (baseline: 22.82 ms, +70.0%) sparkline.none.948423: 604.19 ms (baseline: 608.68 ms, -0.7%) ⚠️ sparkline.movingAvg.948423: 135.46 ms (baseline: 112.06 ms, +20.9%) sparkline.rdp.948423: 129.49 ms (baseline: 132.13 ms, -2.0%) ⚠️ windrose.aggregation.1000: 6.39 ms (baseline: 408.3 µs, +1465.0%) ✓ windrose.draw.1000: 1.31 ms (baseline: 2.77 ms, -52.7%) windrose.aggregation.10000: 1.45 ms (baseline: 1.57 ms, -7.2%) ✓ windrose.draw.10000: 1.33 ms (baseline: 5.28 ms, -74.8%) ✓ windrose.aggregation.50000: 12.80 ms (baseline: 24.71 ms, -48.2%) windrose.draw.50000: 1.10 ms (baseline: 1.01 ms, +8.5%) ✓ windrose.aggregation.100000: 9.57 ms (baseline: 13.61 ms, -29.7%) ✓ windrose.draw.100000: 1.58 ms (baseline: 2.06 ms, -23.5%) ✓ windrose.aggregation.500000: 23.78 ms (baseline: 132.31 ms, -82.0%) ✓ windrose.draw.500000: 823.0 µs (baseline: 1.47 ms, -43.8%) windrose.aggregation.948423: 51.21 ms (baseline: 43.89 ms, +16.7%) ⚠️ windrose.draw.948423: 1.30 ms (baseline: 878.1 µs, +48.0%) ⚠️ scaling.none.1x: 10.84 ms (baseline: 7.90 ms, +37.2%) ⚠️ scaling.movingAvg.1x: 845.2 µs (baseline: 664.9 µs, +27.1%) ⚠️ scaling.rdp.1x: 1.65 ms (baseline: 653.2 µs, +152.4%) ⚠️ scaling.none.2x: 15.46 ms (baseline: 12.32 ms, +25.4%) ⚠️ scaling.movingAvg.2x: 1.73 ms (baseline: 1.27 ms, +36.2%) ⚠️ scaling.rdp.2x: 1.10 ms (baseline: 913.4 µs, +20.8%) ⚠️ scaling.none.5x: 37.12 ms (baseline: 28.32 ms, +31.1%) ✓ scaling.movingAvg.5x: 4.60 ms (baseline: 7.67 ms, -40.1%) ✓ scaling.rdp.5x: 2.66 ms (baseline: 3.10 ms, -14.4%) scaling.none.10x: 64.27 ms (baseline: 71.22 ms, -9.7%) ✓ scaling.movingAvg.10x: 7.71 ms (baseline: 10.66 ms, -27.6%) ✓ scaling.rdp.10x: 3.99 ms (baseline: 7.82 ms, -49.0%) scaling.none.20x: 123.12 ms (baseline: 118.43 ms, +4.0%) ✓ scaling.movingAvg.20x: 12.23 ms (baseline: 25.98 ms, -52.9%) ⚠️ scaling.rdp.20x: 15.90 ms (baseline: 13.12 ms, +21.2%) scaling.none.50x: 293.18 ms (baseline: 269.34 ms, +8.9%) ✓ scaling.movingAvg.50x: 27.70 ms (baseline: 43.89 ms, -36.9%) scaling.rdp.50x: 22.57 ms (baseline: 19.05 ms, +18.5%) multiseries.movingAvg.1series: 10.20 ms (baseline: 9.64 ms, +5.8%) ⚠️ multiseries.rdp.1series: 21.38 ms (baseline: 4.16 ms, +414.0%) multiseries.movingAvg.2series: 25.73 ms (baseline: 21.72 ms, +18.5%) ⚠️ multiseries.rdp.2series: 19.88 ms (baseline: 15.62 ms, +27.2%) multiseries.movingAvg.3series: 15.26 ms (baseline: 16.62 ms, -8.1%) multiseries.rdp.3series: 17.09 ms (baseline: 18.61 ms, -8.2%) multiseries.movingAvg.5series: 31.88 ms (baseline: 28.47 ms, +12.0%) ⚠️ multiseries.rdp.5series: 37.26 ms (baseline: 26.24 ms, +42.0%) 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: 41.69 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: 0.020 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: 0.033 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: 01:11 min [INFO] Finished at: 2026-06-06T07:05:08Z [INFO] ------------------------------------------------------------------------