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: 2.785 s [INFO] Finished at: 2026-06-13T00:41:28Z [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: 2.554 s [INFO] Finished at: 2026-06-13T00:41:34Z [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: 2026-06-12T22:43:07.804667627Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 00:42:10.443 [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 | 6.96 ms | 8.20 ms | 3.57 ms 1,000 | 7.05 ms | 3.25 ms | 2.70 ms 10,000 | 12.15 ms | 12.16 ms | 5.12 ms 49,871 | 50.39 ms | 12.63 ms | 36.27 ms 97,643 | 84.00 ms | 9.86 ms | 7.13 ms 495,995 | 344.21 ms | 70.11 ms | 30.84 ms 944,282 | 665.87 ms | 110.33 ms | 188.67 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 | 405.5 µs | 2.66 ms | 3.06 ms 10,000 | 4.64 ms | 1.53 ms | 6.16 ms 50,000 | 15.21 ms | 1.68 ms | 16.90 ms 100,000 | 14.18 ms | 1.45 ms | 15.64 ms 500,000 | 38.45 ms | 1.08 ms | 39.54 ms 948,423 | 200.14 ms | 579.9 µs | 200.72 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 | 13.16 ms ( 2.4x) | 1.51 ms ( 1.0x) | 1.78 ms ( 1.5x) 2x | 19,996 | 14.13 ms ( 2.5x) | 1.10 ms ( 0.8x) | 3.61 ms ( 3.1x) 5x | 49,871 | 32.16 ms ( 5.8x) | 2.37 ms ( 1.6x) | 2.58 ms ( 2.2x) 10x | 97,643 | 55.69 ms (10.0x) | 7.75 ms ( 5.3x) | 9.50 ms ( 8.1x) 20x | 196,569 | 108.80 ms (19.5x) | 8.92 ms ( 6.1x) | 15.21 ms (13.0x) 50x | 495,995 | 325.14 ms (58.2x) | 41.95 ms (28.9x) | 36.76 ms (31.4x) 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 | 156.5 µs | 5 | 214.3 µs 10,000 | 5 | 687.6 µs | 5 | 449.2 µs 97,643 | 5 | 4.24 ms | 5 | 4.46 ms 495,995 | 5 | 25.44 ms | 5 | 56.48 ms 944,282 | 5 | 88.56 ms | 5 | 69.60 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 | 11.69 ms | 8.50 ms 2 | 8.69 ms | 16.74 ms 3 | 43.79 ms | 22.28 ms 5 | 38.23 ms | 30.45 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 6.96 ms (baseline: 3.39 ms, +105.3%) ⚠️ sparkline.movingAvg.100: 8.20 ms (baseline: 2.35 ms, +248.0%) ⚠️ sparkline.rdp.100: 3.57 ms (baseline: 1.61 ms, +121.5%) ⚠️ sparkline.none.1000: 7.05 ms (baseline: 4.84 ms, +45.5%) ⚠️ sparkline.movingAvg.1000: 3.25 ms (baseline: 2.32 ms, +40.4%) ✓ sparkline.rdp.1000: 2.70 ms (baseline: 3.13 ms, -13.8%) sparkline.none.10000: 12.15 ms (baseline: 10.69 ms, +13.7%) ⚠️ sparkline.movingAvg.10000: 12.16 ms (baseline: 5.33 ms, +128.2%) ✓ sparkline.rdp.10000: 5.12 ms (baseline: 6.21 ms, -17.7%) ⚠️ sparkline.none.50000: 50.39 ms (baseline: 32.11 ms, +56.9%) ⚠️ sparkline.movingAvg.50000: 12.63 ms (baseline: 5.72 ms, +120.9%) ✓ sparkline.rdp.50000: 36.27 ms (baseline: 73.36 ms, -50.6%) ⚠️ sparkline.none.100000: 84.00 ms (baseline: 54.55 ms, +54.0%) sparkline.movingAvg.100000: 9.86 ms (baseline: 10.92 ms, -9.7%) ✓ sparkline.rdp.100000: 7.13 ms (baseline: 20.94 ms, -66.0%) sparkline.none.500000: 344.21 ms (baseline: 351.15 ms, -2.0%) ⚠️ sparkline.movingAvg.500000: 70.11 ms (baseline: 36.95 ms, +89.8%) ✓ sparkline.rdp.500000: 30.84 ms (baseline: 97.97 ms, -68.5%) sparkline.none.948423: 665.87 ms (baseline: 700.02 ms, -4.9%) sparkline.movingAvg.948423: 110.33 ms (baseline: 113.17 ms, -2.5%) ⚠️ sparkline.rdp.948423: 188.67 ms (baseline: 105.70 ms, +78.5%) ✓ windrose.aggregation.1000: 405.5 µs (baseline: 1.15 ms, -64.7%) ⚠️ windrose.draw.1000: 2.66 ms (baseline: 988.8 µs, +168.6%) ✓ windrose.aggregation.10000: 4.64 ms (baseline: 21.51 ms, -78.4%) ✓ windrose.draw.10000: 1.53 ms (baseline: 3.24 ms, -52.8%) ✓ windrose.aggregation.50000: 15.21 ms (baseline: 21.36 ms, -28.8%) ✓ windrose.draw.50000: 1.68 ms (baseline: 1.87 ms, -10.0%) ⚠️ windrose.aggregation.100000: 14.18 ms (baseline: 9.97 ms, +42.2%) ✓ windrose.draw.100000: 1.45 ms (baseline: 2.23 ms, -34.7%) ✓ windrose.aggregation.500000: 38.45 ms (baseline: 71.24 ms, -46.0%) ⚠️ windrose.draw.500000: 1.08 ms (baseline: 710.4 µs, +52.3%) ⚠️ windrose.aggregation.948423: 200.14 ms (baseline: 46.95 ms, +326.3%) ✓ windrose.draw.948423: 579.9 µs (baseline: 2.40 ms, -75.8%) ⚠️ scaling.none.1x: 13.16 ms (baseline: 10.06 ms, +30.9%) ⚠️ scaling.movingAvg.1x: 1.51 ms (baseline: 675.0 µs, +123.3%) ⚠️ scaling.rdp.1x: 1.78 ms (baseline: 571.4 µs, +211.1%) ✓ scaling.none.2x: 14.13 ms (baseline: 20.73 ms, -31.8%) ✓ scaling.movingAvg.2x: 1.10 ms (baseline: 5.97 ms, -81.5%) scaling.rdp.2x: 3.61 ms (baseline: 3.22 ms, +12.2%) scaling.none.5x: 32.16 ms (baseline: 30.01 ms, +7.1%) ✓ scaling.movingAvg.5x: 2.37 ms (baseline: 5.36 ms, -55.7%) ✓ scaling.rdp.5x: 2.58 ms (baseline: 7.06 ms, -63.4%) ⚠️ scaling.none.10x: 55.69 ms (baseline: 44.51 ms, +25.1%) ⚠️ scaling.movingAvg.10x: 7.75 ms (baseline: 5.31 ms, +45.9%) ⚠️ scaling.rdp.10x: 9.50 ms (baseline: 7.65 ms, +24.2%) ✓ scaling.none.20x: 108.80 ms (baseline: 140.49 ms, -22.6%) ✓ scaling.movingAvg.20x: 8.92 ms (baseline: 12.74 ms, -30.0%) ⚠️ scaling.rdp.20x: 15.21 ms (baseline: 9.76 ms, +55.9%) scaling.none.50x: 325.14 ms (baseline: 310.71 ms, +4.6%) ✓ scaling.movingAvg.50x: 41.95 ms (baseline: 61.10 ms, -31.3%) ⚠️ scaling.rdp.50x: 36.76 ms (baseline: 22.87 ms, +60.7%) ⚠️ multiseries.movingAvg.1series: 11.69 ms (baseline: 6.14 ms, +90.5%) ⚠️ multiseries.rdp.1series: 8.50 ms (baseline: 4.05 ms, +110.0%) ✓ multiseries.movingAvg.2series: 8.69 ms (baseline: 15.79 ms, -45.0%) multiseries.rdp.2series: 16.74 ms (baseline: 16.56 ms, +1.1%) ⚠️ multiseries.movingAvg.3series: 43.79 ms (baseline: 22.07 ms, +98.4%) ✓ multiseries.rdp.3series: 22.28 ms (baseline: 27.78 ms, -19.8%) ⚠️ multiseries.movingAvg.5series: 38.23 ms (baseline: 30.51 ms, +25.3%) multiseries.rdp.5series: 30.45 ms (baseline: 26.11 ms, +16.6%) 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: 44.63 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: 0.019 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: 18.89 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: 01:14 min [INFO] Finished at: 2026-06-13T00:42:58Z [INFO] ------------------------------------------------------------------------