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 93c9895 [maven-release-plugin] prepare for next development iteration $ mvn versions:set-property -Dproperty=vaadin.version -DnewVersion=25.3-SNAPSHOT -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml java 25-tem is already installed. Using java version 25-tem in this shell. [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.2.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 98, 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 1.2.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- versions:2.22.0:set-property (default-cli) @ svg-visualizations --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.620 s [INFO] Finished at: 2026-10-10T20:01:15Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.3-SNAPSHOT -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml java 25-tem is already installed. Using java version 25-tem in this shell. [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.2.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 98, 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 1.2.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- versions:2.22.0: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:1.2.1-SNAPSHOT -> 25.3-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.662 s [INFO] Finished at: 2026-10-10T20:01:22Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml -DskipPerformanceValidation=true java 25-tem is already installed. Using java version 25-tem in this shell. [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.2.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 98, 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 1.2.1-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:1.2.1-SNAPSHOT... [INFO] [INFO] --- compiler:3.13.0:compile (default-compile) @ svg-visualizations --- [INFO] Recompiling the module because of changed source code. [INFO] Compiling 3 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 17 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.SparkLineGeometryTest [INFO] Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.227 s -- in org.vaadin.svgvis.SparkLineGeometryTest [INFO] Running org.vaadin.svgvis.RenderingPerformanceTest Loaded 948423 weather records === System Information === CPU Model: AMD EPYC-Rome Processor CPU Cores: 4 OS: Linux 6.8.0-142-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-10-10T19:12:02.122491831Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 20:02:06.703 [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 | 4.05 ms | 7.13 ms | 1.91 ms 1,000 | 11.93 ms | 1.99 ms | 3.47 ms 10,000 | 14.84 ms | 3.00 ms | 6.99 ms 49,871 | 37.44 ms | 5.24 ms | 21.62 ms 97,643 | 63.92 ms | 6.88 ms | 26.18 ms 495,995 | 281.72 ms | 8.52 ms | 47.64 ms 944,282 | 568.29 ms | 10.41 ms | 63.61 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 | 308.6 µs | 2.98 ms | 3.29 ms 10,000 | 1.90 ms | 898.4 µs | 2.80 ms 50,000 | 16.30 ms | 2.77 ms | 19.07 ms 100,000 | 13.75 ms | 2.83 ms | 16.58 ms 500,000 | 50.67 ms | 608.1 µs | 51.28 ms 948,423 | 48.86 ms | 841.0 µs | 49.70 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 | 9.69 ms ( 0.5x) | 379.4 µs ( 1.1x) | 1.09 ms ( 0.4x) 2x | 19,996 | 13.11 ms ( 0.7x) | 1.44 ms ( 4.3x) | 2.41 ms ( 0.9x) 5x | 49,871 | 24.38 ms ( 1.2x) | 759.9 µs ( 2.3x) | 4.22 ms ( 1.5x) 10x | 97,643 | 37.09 ms ( 1.9x) | 975.3 µs ( 2.9x) | 7.78 ms ( 2.8x) 20x | 196,569 | 140.83 ms ( 7.2x) | 2.10 ms ( 6.3x) | 19.98 ms ( 7.2x) 50x | 495,995 | 398.52 ms (20.4x) | 6.23 ms (18.6x) | 37.37 ms (13.5x) 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 | 151.1 µs | 5 | 1.41 ms 10,000 | 5 | 1.74 ms | 5 | 1.79 ms 97,643 | 5 | 1.44 ms | 5 | 7.14 ms 495,995 | 5 | 5.94 ms | 5 | 59.61 ms 944,282 | 5 | 14.18 ms | 5 | 107.49 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 | 1.07 ms | 11.55 ms 2 | 7.16 ms | 30.51 ms 3 | 5.63 ms | 30.06 ms 5 | 9.55 ms | 57.11 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 4.05 ms (baseline: 6.02 ms, -32.8%) ⚠️ sparkline.movingAvg.100: 7.13 ms (baseline: 2.21 ms, +222.6%) ✓ sparkline.rdp.100: 1.91 ms (baseline: 3.55 ms, -46.2%) ⚠️ sparkline.none.1000: 11.93 ms (baseline: 6.22 ms, +91.9%) sparkline.movingAvg.1000: 1.99 ms (baseline: 1.98 ms, +0.4%) ✓ sparkline.rdp.1000: 3.47 ms (baseline: 6.47 ms, -46.4%) ⚠️ sparkline.none.10000: 14.84 ms (baseline: 9.39 ms, +58.1%) sparkline.movingAvg.10000: 3.00 ms (baseline: 2.60 ms, +15.6%) ✓ sparkline.rdp.10000: 6.99 ms (baseline: 12.21 ms, -42.7%) sparkline.none.50000: 37.44 ms (baseline: 32.04 ms, +16.9%) ✓ sparkline.movingAvg.50000: 5.24 ms (baseline: 6.40 ms, -18.2%) ✓ sparkline.rdp.50000: 21.62 ms (baseline: 52.02 ms, -58.4%) sparkline.none.100000: 63.92 ms (baseline: 54.34 ms, +17.6%) sparkline.movingAvg.100000: 6.88 ms (baseline: 6.71 ms, +2.5%) ⚠️ sparkline.rdp.100000: 26.18 ms (baseline: 17.67 ms, +48.2%) ✓ sparkline.none.500000: 281.72 ms (baseline: 428.32 ms, -34.2%) ✓ sparkline.movingAvg.500000: 8.52 ms (baseline: 11.62 ms, -26.7%) ✓ sparkline.rdp.500000: 47.64 ms (baseline: 77.15 ms, -38.3%) ✓ sparkline.none.948423: 568.29 ms (baseline: 631.47 ms, -10.0%) ✓ sparkline.movingAvg.948423: 10.41 ms (baseline: 21.77 ms, -52.2%) ✓ sparkline.rdp.948423: 63.61 ms (baseline: 118.17 ms, -46.2%) ✓ windrose.aggregation.1000: 308.6 µs (baseline: 666.8 µs, -53.7%) ⚠️ windrose.draw.1000: 2.98 ms (baseline: 1.75 ms, +70.6%) ✓ windrose.aggregation.10000: 1.90 ms (baseline: 4.61 ms, -58.8%) ⚠️ windrose.draw.10000: 898.4 µs (baseline: 604.1 µs, +48.7%) ⚠️ windrose.aggregation.50000: 16.30 ms (baseline: 13.01 ms, +25.3%) ⚠️ windrose.draw.50000: 2.77 ms (baseline: 1.53 ms, +81.1%) windrose.aggregation.100000: 13.75 ms (baseline: 13.09 ms, +5.1%) ⚠️ windrose.draw.100000: 2.83 ms (baseline: 2.09 ms, +35.1%) ⚠️ windrose.aggregation.500000: 50.67 ms (baseline: 39.09 ms, +29.6%) windrose.draw.500000: 608.1 µs (baseline: 675.7 µs, -10.0%) ✓ windrose.aggregation.948423: 48.86 ms (baseline: 80.27 ms, -39.1%) ⚠️ windrose.draw.948423: 841.0 µs (baseline: 468.9 µs, +79.4%) ✓ scaling.none.1x: 9.69 ms (baseline: 11.17 ms, -13.3%) scaling.movingAvg.1x: 379.4 µs (baseline: 376.0 µs, +0.9%) ✓ scaling.rdp.1x: 1.09 ms (baseline: 1.73 ms, -37.2%) ⚠️ scaling.none.2x: 13.11 ms (baseline: 8.92 ms, +47.1%) ⚠️ scaling.movingAvg.2x: 1.44 ms (baseline: 352.2 µs, +307.6%) ⚠️ scaling.rdp.2x: 2.41 ms (baseline: 1.12 ms, +115.6%) ✓ scaling.none.5x: 24.38 ms (baseline: 38.76 ms, -37.1%) ✓ scaling.movingAvg.5x: 759.9 µs (baseline: 1.17 ms, -35.3%) ✓ scaling.rdp.5x: 4.22 ms (baseline: 10.10 ms, -58.2%) ✓ scaling.none.10x: 37.09 ms (baseline: 69.11 ms, -46.3%) ✓ scaling.movingAvg.10x: 975.3 µs (baseline: 2.69 ms, -63.7%) ✓ scaling.rdp.10x: 7.78 ms (baseline: 9.80 ms, -20.6%) ⚠️ scaling.none.20x: 140.83 ms (baseline: 93.15 ms, +51.2%) ✓ scaling.movingAvg.20x: 2.10 ms (baseline: 7.58 ms, -72.2%) scaling.rdp.20x: 19.98 ms (baseline: 20.63 ms, -3.2%) ⚠️ scaling.none.50x: 398.52 ms (baseline: 327.77 ms, +21.6%) scaling.movingAvg.50x: 6.23 ms (baseline: 6.87 ms, -9.3%) ⚠️ scaling.rdp.50x: 37.37 ms (baseline: 31.08 ms, +20.2%) ✓ multiseries.movingAvg.1series: 1.07 ms (baseline: 1.79 ms, -39.9%) ✓ multiseries.rdp.1series: 11.55 ms (baseline: 19.08 ms, -39.5%) ⚠️ multiseries.movingAvg.2series: 7.16 ms (baseline: 4.01 ms, +78.6%) ⚠️ multiseries.rdp.2series: 30.51 ms (baseline: 20.68 ms, +47.5%) ⚠️ multiseries.movingAvg.3series: 5.63 ms (baseline: 3.22 ms, +74.6%) ✓ multiseries.rdp.3series: 30.06 ms (baseline: 44.62 ms, -32.6%) ⚠️ multiseries.movingAvg.5series: 9.55 ms (baseline: 4.87 ms, +96.1%) multiseries.rdp.5series: 57.11 ms (baseline: 62.80 ms, -9.1%) 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: 43.78 s -- in org.vaadin.svgvis.RenderingPerformanceTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineDrawingTest [INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.868 s -- in org.vaadin.svgvis.unit.SvgSparkLineDrawingTest [INFO] Running org.vaadin.svgvis.unit.WindRoseTest [INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 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: 0.011 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: 18.78 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 41, 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-1.2.1-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:20 min [INFO] Finished at: 2026-10-10T20:02:55Z [INFO] ------------------------------------------------------------------------