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=25.1.5 -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: 2.628 s [INFO] Finished at: 2026-05-20T07:10:04Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1.5 -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 -> 25.1.5 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.279 s [INFO] Finished at: 2026-05-20T07:10:09Z [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 6.8.0-111-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-05-20T05:34:30.911930329Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:10:43.201 [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 | 5.95 ms | 4.05 ms | 4.53 ms 1,000 | 8.05 ms | 2.34 ms | 2.19 ms 10,000 | 29.71 ms | 2.63 ms | 6.51 ms 49,871 | 52.71 ms | 4.11 ms | 71.55 ms 97,643 | 59.23 ms | 8.47 ms | 9.09 ms 495,995 | 347.30 ms | 64.82 ms | 55.30 ms 944,282 | 625.13 ms | 126.74 ms | 151.79 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 | 447.6 µs | 3.94 ms | 4.39 ms 10,000 | 2.59 ms | 2.33 ms | 4.92 ms 50,000 | 24.70 ms | 1.45 ms | 26.15 ms 100,000 | 16.83 ms | 1.70 ms | 18.53 ms 500,000 | 39.64 ms | 1.57 ms | 41.21 ms 948,423 | 68.60 ms | 1.50 ms | 70.10 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 | 9.85 ms ( 0.7x) | 1.03 ms ( 0.5x) | 652.1 µs ( 0.6x) 2x | 19,996 | 17.18 ms ( 1.2x) | 2.52 ms ( 1.3x) | 951.5 µs ( 0.9x) 5x | 49,871 | 32.67 ms ( 2.3x) | 4.14 ms ( 2.1x) | 2.22 ms ( 2.1x) 10x | 97,643 | 43.83 ms ( 3.1x) | 5.73 ms ( 2.8x) | 3.30 ms ( 3.2x) 20x | 196,569 | 150.48 ms (10.5x) | 16.49 ms ( 8.2x) | 14.01 ms (13.4x) 50x | 495,995 | 316.37 ms (22.1x) | 69.14 ms (34.4x) | 27.02 ms (25.8x) 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 | 164.6 µs | 5 | 209.6 µs 10,000 | 5 | 701.2 µs | 5 | 461.8 µs 97,643 | 5 | 5.00 ms | 5 | 6.23 ms 495,995 | 5 | 28.44 ms | 5 | 41.88 ms 944,282 | 5 | 117.79 ms | 5 | 105.05 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 | 8.47 ms | 4.54 ms 2 | 18.26 ms | 14.38 ms 3 | 17.87 ms | 23.39 ms 5 | 25.54 ms | 48.89 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 5.95 ms (baseline: 3.24 ms, +83.6%) sparkline.movingAvg.100: 4.05 ms (baseline: 3.98 ms, +1.9%) ✓ sparkline.rdp.100: 4.53 ms (baseline: 5.79 ms, -21.8%) ⚠️ sparkline.none.1000: 8.05 ms (baseline: 6.05 ms, +32.9%) ✓ sparkline.movingAvg.1000: 2.34 ms (baseline: 3.53 ms, -33.7%) ✓ sparkline.rdp.1000: 2.19 ms (baseline: 3.91 ms, -44.1%) sparkline.none.10000: 29.71 ms (baseline: 25.00 ms, +18.8%) ✓ sparkline.movingAvg.10000: 2.63 ms (baseline: 6.73 ms, -61.0%) ✓ sparkline.rdp.10000: 6.51 ms (baseline: 20.86 ms, -68.8%) ✓ sparkline.none.50000: 52.71 ms (baseline: 78.32 ms, -32.7%) ✓ sparkline.movingAvg.50000: 4.11 ms (baseline: 7.07 ms, -41.9%) sparkline.rdp.50000: 71.55 ms (baseline: 71.26 ms, +0.4%) ✓ sparkline.none.100000: 59.23 ms (baseline: 68.26 ms, -13.2%) ✓ sparkline.movingAvg.100000: 8.47 ms (baseline: 15.48 ms, -45.3%) sparkline.rdp.100000: 9.09 ms (baseline: 8.91 ms, +2.0%) sparkline.none.500000: 347.30 ms (baseline: 306.16 ms, +13.4%) sparkline.movingAvg.500000: 64.82 ms (baseline: 57.96 ms, +11.8%) ⚠️ sparkline.rdp.500000: 55.30 ms (baseline: 37.08 ms, +49.1%) sparkline.none.948423: 625.13 ms (baseline: 658.47 ms, -5.1%) ✓ sparkline.movingAvg.948423: 126.74 ms (baseline: 152.71 ms, -17.0%) ⚠️ sparkline.rdp.948423: 151.79 ms (baseline: 104.42 ms, +45.4%) ✓ windrose.aggregation.1000: 447.6 µs (baseline: 521.5 µs, -14.2%) ⚠️ windrose.draw.1000: 3.94 ms (baseline: 2.50 ms, +57.4%) ✓ windrose.aggregation.10000: 2.59 ms (baseline: 6.47 ms, -60.0%) windrose.draw.10000: 2.33 ms (baseline: 2.19 ms, +6.7%) ⚠️ windrose.aggregation.50000: 24.70 ms (baseline: 15.77 ms, +56.6%) ✓ windrose.draw.50000: 1.45 ms (baseline: 1.61 ms, -10.1%) ⚠️ windrose.aggregation.100000: 16.83 ms (baseline: 7.79 ms, +116.1%) windrose.draw.100000: 1.70 ms (baseline: 1.50 ms, +12.9%) ✓ windrose.aggregation.500000: 39.64 ms (baseline: 47.45 ms, -16.5%) ✓ windrose.draw.500000: 1.57 ms (baseline: 1.84 ms, -14.4%) windrose.aggregation.948423: 68.60 ms (baseline: 66.91 ms, +2.5%) windrose.draw.948423: 1.50 ms (baseline: 1.56 ms, -3.6%) ✓ scaling.none.1x: 9.85 ms (baseline: 13.03 ms, -24.4%) ✓ scaling.movingAvg.1x: 1.03 ms (baseline: 4.47 ms, -77.0%) scaling.rdp.1x: 652.1 µs (baseline: 594.4 µs, +9.7%) scaling.none.2x: 17.18 ms (baseline: 19.04 ms, -9.7%) ✓ scaling.movingAvg.2x: 2.52 ms (baseline: 3.00 ms, -16.0%) ✓ scaling.rdp.2x: 951.5 µs (baseline: 2.60 ms, -63.5%) ✓ scaling.none.5x: 32.67 ms (baseline: 41.06 ms, -20.4%) ✓ scaling.movingAvg.5x: 4.14 ms (baseline: 5.14 ms, -19.5%) ✓ scaling.rdp.5x: 2.22 ms (baseline: 5.20 ms, -57.3%) ✓ scaling.none.10x: 43.83 ms (baseline: 52.84 ms, -17.1%) ✓ scaling.movingAvg.10x: 5.73 ms (baseline: 6.94 ms, -17.4%) ✓ scaling.rdp.10x: 3.30 ms (baseline: 4.05 ms, -18.4%) ✓ scaling.none.20x: 150.48 ms (baseline: 168.43 ms, -10.7%) ✓ scaling.movingAvg.20x: 16.49 ms (baseline: 32.69 ms, -49.6%) ⚠️ scaling.rdp.20x: 14.01 ms (baseline: 6.83 ms, +105.0%) scaling.none.50x: 316.37 ms (baseline: 294.72 ms, +7.3%) ⚠️ scaling.movingAvg.50x: 69.14 ms (baseline: 55.75 ms, +24.0%) ⚠️ scaling.rdp.50x: 27.02 ms (baseline: 21.52 ms, +25.6%) ✓ multiseries.movingAvg.1series: 8.47 ms (baseline: 12.66 ms, -33.1%) ⚠️ multiseries.rdp.1series: 4.54 ms (baseline: 3.26 ms, +39.1%) ✓ multiseries.movingAvg.2series: 18.26 ms (baseline: 28.97 ms, -37.0%) ✓ multiseries.rdp.2series: 14.38 ms (baseline: 16.58 ms, -13.3%) multiseries.movingAvg.3series: 17.87 ms (baseline: 19.21 ms, -7.0%) multiseries.rdp.3series: 23.39 ms (baseline: 22.97 ms, +1.8%) ✓ multiseries.movingAvg.5series: 25.54 ms (baseline: 61.72 ms, -58.6%) ⚠️ multiseries.rdp.5series: 48.89 ms (baseline: 25.36 ms, +92.8%) 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: 44.05 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: 0.019 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: 0.030 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: 19.12 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: 01:12 min [INFO] Finished at: 2026-05-20T07:11:30Z [INFO] ------------------------------------------------------------------------