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=25.2-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: 2.804 s [INFO] Finished at: 2026-06-13T18:31:33Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2-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 -> 25.2-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.373 s [INFO] Finished at: 2026-06-13T18:31:38Z [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: 2026-06-13T16:42:22.680076576Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 18:32:15.612 [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 | 3.94 ms | 8.04 ms | 3.84 ms 1,000 | 7.74 ms | 4.54 ms | 3.67 ms 10,000 | 28.48 ms | 7.48 ms | 11.96 ms 49,871 | 49.74 ms | 4.66 ms | 81.35 ms 97,643 | 70.77 ms | 12.76 ms | 5.07 ms 495,995 | 403.53 ms | 54.48 ms | 52.94 ms 944,282 | 583.85 ms | 148.82 ms | 93.85 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 | 668.4 µs | 4.25 ms | 4.92 ms 10,000 | 1.96 ms | 894.3 µs | 2.86 ms 50,000 | 9.84 ms | 800.9 µs | 10.64 ms 100,000 | 3.96 ms | 722.6 µs | 4.69 ms 500,000 | 47.80 ms | 1.49 ms | 49.29 ms 948,423 | 80.37 ms | 1.27 ms | 81.65 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 | 7.91 ms ( 0.5x) | 1.52 ms ( 0.5x) | 1.31 ms ( 0.8x) 2x | 19,996 | 8.68 ms ( 0.5x) | 2.51 ms ( 0.7x) | 2.78 ms ( 1.7x) 5x | 49,871 | 20.35 ms ( 1.2x) | 3.24 ms ( 1.0x) | 3.16 ms ( 2.0x) 10x | 97,643 | 74.77 ms ( 4.3x) | 12.45 ms ( 3.7x) | 7.94 ms ( 4.9x) 20x | 196,569 | 91.36 ms ( 5.2x) | 19.76 ms ( 5.9x) | 9.13 ms ( 5.7x) 50x | 495,995 | 294.57 ms (16.8x) | 88.72 ms (26.4x) | 19.85 ms (12.3x) 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 | 156.0 µs | 5 | 188.6 µs 10,000 | 5 | 698.9 µs | 5 | 458.0 µs 97,643 | 5 | 6.53 ms | 5 | 3.34 ms 495,995 | 5 | 49.27 ms | 5 | 36.95 ms 944,282 | 5 | 105.57 ms | 5 | 83.61 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 | 8.00 ms | 6.34 ms 2 | 20.11 ms | 13.26 ms 3 | 14.58 ms | 15.53 ms 5 | 30.94 ms | 47.34 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.94 ms (baseline: 2.18 ms, +80.9%) ⚠️ sparkline.movingAvg.100: 8.04 ms (baseline: 2.93 ms, +174.7%) ✓ sparkline.rdp.100: 3.84 ms (baseline: 4.62 ms, -17.0%) sparkline.none.1000: 7.74 ms (baseline: 7.93 ms, -2.4%) ⚠️ sparkline.movingAvg.1000: 4.54 ms (baseline: 2.42 ms, +87.9%) sparkline.rdp.1000: 3.67 ms (baseline: 3.76 ms, -2.2%) ✓ sparkline.none.10000: 28.48 ms (baseline: 38.94 ms, -26.9%) ⚠️ sparkline.movingAvg.10000: 7.48 ms (baseline: 3.69 ms, +103.0%) ⚠️ sparkline.rdp.10000: 11.96 ms (baseline: 7.56 ms, +58.2%) ⚠️ sparkline.none.50000: 49.74 ms (baseline: 37.62 ms, +32.2%) ⚠️ sparkline.movingAvg.50000: 4.66 ms (baseline: 3.31 ms, +40.8%) ⚠️ sparkline.rdp.50000: 81.35 ms (baseline: 63.20 ms, +28.7%) ✓ sparkline.none.100000: 70.77 ms (baseline: 112.03 ms, -36.8%) sparkline.movingAvg.100000: 12.76 ms (baseline: 10.65 ms, +19.7%) ✓ sparkline.rdp.100000: 5.07 ms (baseline: 17.77 ms, -71.5%) ⚠️ sparkline.none.500000: 403.53 ms (baseline: 314.07 ms, +28.5%) ✓ sparkline.movingAvg.500000: 54.48 ms (baseline: 80.70 ms, -32.5%) ⚠️ sparkline.rdp.500000: 52.94 ms (baseline: 31.93 ms, +65.8%) sparkline.none.948423: 583.85 ms (baseline: 618.66 ms, -5.6%) sparkline.movingAvg.948423: 148.82 ms (baseline: 159.72 ms, -6.8%) sparkline.rdp.948423: 93.85 ms (baseline: 91.37 ms, +2.7%) ✓ windrose.aggregation.1000: 668.4 µs (baseline: 3.54 ms, -81.1%) ⚠️ windrose.draw.1000: 4.25 ms (baseline: 924.8 µs, +359.5%) ✓ windrose.aggregation.10000: 1.96 ms (baseline: 7.22 ms, -72.8%) ⚠️ windrose.draw.10000: 894.3 µs (baseline: 713.6 µs, +25.3%) ✓ windrose.aggregation.50000: 9.84 ms (baseline: 26.74 ms, -63.2%) ✓ windrose.draw.50000: 800.9 µs (baseline: 1.87 ms, -57.2%) ✓ windrose.aggregation.100000: 3.96 ms (baseline: 40.69 ms, -90.3%) ✓ windrose.draw.100000: 722.6 µs (baseline: 4.17 ms, -82.7%) ⚠️ windrose.aggregation.500000: 47.80 ms (baseline: 34.66 ms, +37.9%) ⚠️ windrose.draw.500000: 1.49 ms (baseline: 1.00 ms, +48.9%) windrose.aggregation.948423: 80.37 ms (baseline: 73.18 ms, +9.8%) ⚠️ windrose.draw.948423: 1.27 ms (baseline: 648.0 µs, +96.7%) ✓ scaling.none.1x: 7.91 ms (baseline: 11.95 ms, -33.8%) ⚠️ scaling.movingAvg.1x: 1.52 ms (baseline: 613.5 µs, +147.1%) ⚠️ scaling.rdp.1x: 1.31 ms (baseline: 577.6 µs, +127.2%) ✓ scaling.none.2x: 8.68 ms (baseline: 16.99 ms, -48.9%) ✓ scaling.movingAvg.2x: 2.51 ms (baseline: 3.02 ms, -16.7%) ⚠️ scaling.rdp.2x: 2.78 ms (baseline: 1.41 ms, +96.5%) ✓ scaling.none.5x: 20.35 ms (baseline: 27.85 ms, -26.9%) ✓ scaling.movingAvg.5x: 3.24 ms (baseline: 5.87 ms, -44.8%) scaling.rdp.5x: 3.16 ms (baseline: 3.39 ms, -6.9%) scaling.none.10x: 74.77 ms (baseline: 74.83 ms, -0.1%) ⚠️ scaling.movingAvg.10x: 12.45 ms (baseline: 4.30 ms, +189.6%) ⚠️ scaling.rdp.10x: 7.94 ms (baseline: 4.64 ms, +71.1%) scaling.none.20x: 91.36 ms (baseline: 93.07 ms, -1.8%) ⚠️ scaling.movingAvg.20x: 19.76 ms (baseline: 11.66 ms, +69.5%) ✓ scaling.rdp.20x: 9.13 ms (baseline: 16.81 ms, -45.7%) scaling.none.50x: 294.57 ms (baseline: 293.44 ms, +0.4%) ⚠️ scaling.movingAvg.50x: 88.72 ms (baseline: 49.12 ms, +80.6%) scaling.rdp.50x: 19.85 ms (baseline: 19.46 ms, +2.0%) ✓ multiseries.movingAvg.1series: 8.00 ms (baseline: 16.33 ms, -51.0%) ⚠️ multiseries.rdp.1series: 6.34 ms (baseline: 4.55 ms, +39.4%) ⚠️ multiseries.movingAvg.2series: 20.11 ms (baseline: 10.25 ms, +96.2%) multiseries.rdp.2series: 13.26 ms (baseline: 12.50 ms, +6.1%) ✓ multiseries.movingAvg.3series: 14.58 ms (baseline: 26.60 ms, -45.2%) multiseries.rdp.3series: 15.53 ms (baseline: 14.11 ms, +10.0%) multiseries.movingAvg.5series: 30.94 ms (baseline: 31.21 ms, -0.9%) multiseries.rdp.5series: 47.34 ms (baseline: 41.69 ms, +13.5%) 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: 46.13 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: 0.040 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: 0.061 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: 19.96 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: 01:17 min [INFO] Finished at: 2026-06-13T18:33:05Z [INFO] ------------------------------------------------------------------------