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 939d4f0 [maven-release-plugin] prepare for next development iteration $ mvn versions:set-property -Dproperty=vaadin.version -DnewVersion=25.1-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:1.1.1-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 1.1.1-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: 2.992 s [INFO] Finished at: 2026-07-25T13:39:56Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1-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:1.1.1-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 1.1.1-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:1.1.1-SNAPSHOT -> 25.1-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.936 s [INFO] Finished at: 2026-07-25T13:40:02Z [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:1.1.1-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 1.1.1-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:1.1.1-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 6.8.0-136-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-07-25T12:24:57.468417038Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 13:40:42.704 [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 | 6.10 ms | 8.02 ms | 4.64 ms 1,000 | 8.41 ms | 2.53 ms | 4.03 ms 10,000 | 16.82 ms | 8.23 ms | 12.22 ms 49,871 | 53.31 ms | 11.83 ms | 67.34 ms 97,643 | 78.26 ms | 5.17 ms | 26.32 ms 495,995 | 364.52 ms | 52.09 ms | 65.85 ms 944,282 | 712.30 ms | 133.52 ms | 141.19 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 | 450.8 µs | 1.46 ms | 1.91 ms 10,000 | 1.77 ms | 1.25 ms | 3.02 ms 50,000 | 22.09 ms | 1.01 ms | 23.10 ms 100,000 | 10.65 ms | 3.49 ms | 14.14 ms 500,000 | 79.05 ms | 1.97 ms | 81.01 ms 948,423 | 37.95 ms | 710.2 µs | 38.66 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 | 8.99 ms ( 0.9x) | 2.79 ms ( 1.5x) | 1.88 ms ( 1.0x) 2x | 19,996 | 23.72 ms ( 2.3x) | 2.75 ms ( 1.5x) | 2.43 ms ( 1.3x) 5x | 49,871 | 42.13 ms ( 4.1x) | 7.51 ms ( 4.2x) | 4.07 ms ( 2.1x) 10x | 97,643 | 78.75 ms ( 7.6x) | 6.25 ms ( 3.5x) | 3.97 ms ( 2.1x) 20x | 196,569 | 114.11 ms (11.1x) | 16.60 ms ( 9.2x) | 12.50 ms ( 6.5x) 50x | 495,995 | 310.95 ms (30.1x) | 48.27 ms (26.8x) | 26.28 ms (13.7x) 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 | 241.6 µs | 5 | 197.9 µs 10,000 | 5 | 1.19 ms | 5 | 1.19 ms 97,643 | 5 | 6.32 ms | 5 | 4.34 ms 495,995 | 5 | 55.50 ms | 5 | 51.01 ms 944,282 | 5 | 127.64 ms | 5 | 109.69 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 | 7.57 ms | 9.33 ms 2 | 13.52 ms | 23.56 ms 3 | 14.92 ms | 17.50 ms 5 | 38.31 ms | 36.95 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 6.10 ms (baseline: 2.53 ms, +141.3%) ⚠️ sparkline.movingAvg.100: 8.02 ms (baseline: 3.66 ms, +119.3%) ⚠️ sparkline.rdp.100: 4.64 ms (baseline: 2.49 ms, +86.2%) sparkline.none.1000: 8.41 ms (baseline: 7.78 ms, +8.1%) ✓ sparkline.movingAvg.1000: 2.53 ms (baseline: 3.57 ms, -29.0%) ✓ sparkline.rdp.1000: 4.03 ms (baseline: 6.57 ms, -38.5%) sparkline.none.10000: 16.82 ms (baseline: 15.62 ms, +7.7%) ⚠️ sparkline.movingAvg.10000: 8.23 ms (baseline: 2.65 ms, +210.5%) ⚠️ sparkline.rdp.10000: 12.22 ms (baseline: 7.69 ms, +58.8%) ⚠️ sparkline.none.50000: 53.31 ms (baseline: 24.45 ms, +118.0%) ⚠️ sparkline.movingAvg.50000: 11.83 ms (baseline: 4.06 ms, +191.0%) ⚠️ sparkline.rdp.50000: 67.34 ms (baseline: 13.78 ms, +388.8%) ✓ sparkline.none.100000: 78.26 ms (baseline: 107.44 ms, -27.2%) ✓ sparkline.movingAvg.100000: 5.17 ms (baseline: 14.55 ms, -64.5%) ✓ sparkline.rdp.100000: 26.32 ms (baseline: 105.57 ms, -75.1%) sparkline.none.500000: 364.52 ms (baseline: 362.83 ms, +0.5%) ⚠️ sparkline.movingAvg.500000: 52.09 ms (baseline: 39.11 ms, +33.2%) sparkline.rdp.500000: 65.85 ms (baseline: 70.23 ms, -6.2%) sparkline.none.948423: 712.30 ms (baseline: 703.31 ms, +1.3%) sparkline.movingAvg.948423: 133.52 ms (baseline: 123.34 ms, +8.3%) ✓ sparkline.rdp.948423: 141.19 ms (baseline: 186.71 ms, -24.4%) ✓ windrose.aggregation.1000: 450.8 µs (baseline: 748.1 µs, -39.7%) ✓ windrose.draw.1000: 1.46 ms (baseline: 4.29 ms, -65.9%) ✓ windrose.aggregation.10000: 1.77 ms (baseline: 2.63 ms, -32.7%) windrose.draw.10000: 1.25 ms (baseline: 1.26 ms, -1.0%) ⚠️ windrose.aggregation.50000: 22.09 ms (baseline: 12.12 ms, +82.2%) ✓ windrose.draw.50000: 1.01 ms (baseline: 1.82 ms, -44.4%) ⚠️ windrose.aggregation.100000: 10.65 ms (baseline: 7.74 ms, +37.7%) ⚠️ windrose.draw.100000: 3.49 ms (baseline: 903.0 µs, +286.4%) ⚠️ windrose.aggregation.500000: 79.05 ms (baseline: 21.68 ms, +264.7%) ⚠️ windrose.draw.500000: 1.97 ms (baseline: 615.9 µs, +219.2%) ✓ windrose.aggregation.948423: 37.95 ms (baseline: 61.29 ms, -38.1%) windrose.draw.948423: 710.2 µs (baseline: 601.7 µs, +18.0%) ✓ scaling.none.1x: 8.99 ms (baseline: 15.56 ms, -42.2%) ⚠️ scaling.movingAvg.1x: 2.79 ms (baseline: 666.6 µs, +318.5%) ⚠️ scaling.rdp.1x: 1.88 ms (baseline: 1.03 ms, +82.4%) ✓ scaling.none.2x: 23.72 ms (baseline: 31.13 ms, -23.8%) ✓ scaling.movingAvg.2x: 2.75 ms (baseline: 4.02 ms, -31.4%) ✓ scaling.rdp.2x: 2.43 ms (baseline: 2.71 ms, -10.4%) scaling.none.5x: 42.13 ms (baseline: 36.16 ms, +16.5%) ⚠️ scaling.movingAvg.5x: 7.51 ms (baseline: 4.28 ms, +75.5%) ✓ scaling.rdp.5x: 4.07 ms (baseline: 5.58 ms, -27.1%) scaling.none.10x: 78.75 ms (baseline: 76.32 ms, +3.2%) ✓ scaling.movingAvg.10x: 6.25 ms (baseline: 13.15 ms, -52.5%) ✓ scaling.rdp.10x: 3.97 ms (baseline: 12.66 ms, -68.6%) ✓ scaling.none.20x: 114.11 ms (baseline: 128.10 ms, -10.9%) ⚠️ scaling.movingAvg.20x: 16.60 ms (baseline: 12.47 ms, +33.1%) ⚠️ scaling.rdp.20x: 12.50 ms (baseline: 10.09 ms, +23.8%) scaling.none.50x: 310.95 ms (baseline: 287.90 ms, +8.0%) ✓ scaling.movingAvg.50x: 48.27 ms (baseline: 62.57 ms, -22.9%) ✓ scaling.rdp.50x: 26.28 ms (baseline: 40.25 ms, -34.7%) ✓ multiseries.movingAvg.1series: 7.57 ms (baseline: 27.73 ms, -72.7%) ⚠️ multiseries.rdp.1series: 9.33 ms (baseline: 7.37 ms, +26.6%) ✓ multiseries.movingAvg.2series: 13.52 ms (baseline: 18.60 ms, -27.3%) ⚠️ multiseries.rdp.2series: 23.56 ms (baseline: 17.77 ms, +32.6%) multiseries.movingAvg.3series: 14.92 ms (baseline: 14.72 ms, +1.4%) ✓ multiseries.rdp.3series: 17.50 ms (baseline: 25.28 ms, -30.8%) multiseries.movingAvg.5series: 38.31 ms (baseline: 32.79 ms, +16.8%) ✓ multiseries.rdp.5series: 36.95 ms (baseline: 69.86 ms, -47.1%) 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: 50.13 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: 0.029 s -- in org.vaadin.svgvis.unit.WindRoseTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineTest [INFO] Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.067 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: 22.77 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 24, 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-1.1.1-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:24 min [INFO] Finished at: 2026-07-25T13:41:37Z [INFO] ------------------------------------------------------------------------