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=25.4-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: 2.770 s [INFO] Finished at: 2026-10-08T16:06:20Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.4-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 -> 25.4-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.793 s [INFO] Finished at: 2026-10-08T16:06:27Z [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: 0.217 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: 2026-10-08T12:31:39.321286792Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 16:07:08.938 [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 | 4.59 ms | 1.88 ms | 2.02 ms 1,000 | 6.73 ms | 4.22 ms | 4.25 ms 10,000 | 20.63 ms | 1.28 ms | 10.05 ms 49,871 | 56.18 ms | 5.57 ms | 10.63 ms 97,643 | 86.89 ms | 6.70 ms | 26.23 ms 495,995 | 392.53 ms | 6.71 ms | 85.57 ms 944,282 | 727.92 ms | 11.91 ms | 122.54 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 | 508.2 µs | 2.36 ms | 2.87 ms 10,000 | 10.61 ms | 3.56 ms | 14.17 ms 50,000 | 24.35 ms | 3.23 ms | 27.58 ms 100,000 | 10.34 ms | 2.38 ms | 12.72 ms 500,000 | 66.80 ms | 633.5 µs | 67.44 ms 948,423 | 75.89 ms | 928.3 µs | 76.82 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 | 11.21 ms ( 0.8x) | 3.37 ms ( 2.2x) | 1.83 ms ( 0.5x) 2x | 19,996 | 9.23 ms ( 0.7x) | 341.7 µs ( 0.2x) | 1.07 ms ( 0.3x) 5x | 49,871 | 26.23 ms ( 1.9x) | 585.5 µs ( 0.4x) | 3.34 ms ( 1.0x) 10x | 97,643 | 57.17 ms ( 4.2x) | 1.27 ms ( 0.8x) | 6.29 ms ( 1.8x) 20x | 196,569 | 122.37 ms ( 9.1x) | 2.25 ms ( 1.5x) | 12.14 ms ( 3.5x) 50x | 495,995 | 235.79 ms (17.5x) | 5.76 ms ( 3.8x) | 37.82 ms (10.8x) 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 | 184.5 µs | 5 | 396.2 µs 10,000 | 5 | 571.9 µs | 5 | 1.29 ms 97,643 | 5 | 938.7 µs | 5 | 6.38 ms 495,995 | 5 | 10.42 ms | 5 | 28.71 ms 944,282 | 5 | 14.66 ms | 5 | 66.12 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 | 902.9 µs | 4.64 ms 2 | 4.40 ms | 25.88 ms 3 | 4.79 ms | 21.55 ms 5 | 9.42 ms | 49.42 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 4.59 ms (baseline: 4.16 ms, +10.2%) ✓ sparkline.movingAvg.100: 1.88 ms (baseline: 3.02 ms, -37.7%) ✓ sparkline.rdp.100: 2.02 ms (baseline: 6.50 ms, -68.9%) ✓ sparkline.none.1000: 6.73 ms (baseline: 14.09 ms, -52.2%) ✓ sparkline.movingAvg.1000: 4.22 ms (baseline: 4.79 ms, -11.9%) sparkline.rdp.1000: 4.25 ms (baseline: 3.58 ms, +18.5%) ✓ sparkline.none.10000: 20.63 ms (baseline: 23.20 ms, -11.1%) ✓ sparkline.movingAvg.10000: 1.28 ms (baseline: 8.46 ms, -84.8%) sparkline.rdp.10000: 10.05 ms (baseline: 9.25 ms, +8.6%) sparkline.none.50000: 56.18 ms (baseline: 51.34 ms, +9.4%) ⚠️ sparkline.movingAvg.50000: 5.57 ms (baseline: 3.18 ms, +75.3%) ✓ sparkline.rdp.50000: 10.63 ms (baseline: 69.31 ms, -84.7%) ⚠️ sparkline.none.100000: 86.89 ms (baseline: 70.92 ms, +22.5%) ⚠️ sparkline.movingAvg.100000: 6.70 ms (baseline: 4.65 ms, +44.2%) ⚠️ sparkline.rdp.100000: 26.23 ms (baseline: 15.00 ms, +74.9%) sparkline.none.500000: 392.53 ms (baseline: 329.67 ms, +19.1%) sparkline.movingAvg.500000: 6.71 ms (baseline: 7.40 ms, -9.3%) sparkline.rdp.500000: 85.57 ms (baseline: 91.98 ms, -7.0%) sparkline.none.948423: 727.92 ms (baseline: 718.04 ms, +1.4%) ✓ sparkline.movingAvg.948423: 11.91 ms (baseline: 17.07 ms, -30.2%) ⚠️ sparkline.rdp.948423: 122.54 ms (baseline: 93.93 ms, +30.5%) ⚠️ windrose.aggregation.1000: 508.2 µs (baseline: 355.2 µs, +43.1%) ✓ windrose.draw.1000: 2.36 ms (baseline: 2.93 ms, -19.6%) ⚠️ windrose.aggregation.10000: 10.61 ms (baseline: 6.74 ms, +57.3%) ⚠️ windrose.draw.10000: 3.56 ms (baseline: 572.7 µs, +521.7%) windrose.aggregation.50000: 24.35 ms (baseline: 21.64 ms, +12.6%) ⚠️ windrose.draw.50000: 3.23 ms (baseline: 1.02 ms, +215.5%) windrose.aggregation.100000: 10.34 ms (baseline: 10.32 ms, +0.2%) ⚠️ windrose.draw.100000: 2.38 ms (baseline: 1.12 ms, +111.4%) ⚠️ windrose.aggregation.500000: 66.80 ms (baseline: 40.96 ms, +63.1%) windrose.draw.500000: 633.5 µs (baseline: 536.4 µs, +18.1%) windrose.aggregation.948423: 75.89 ms (baseline: 65.96 ms, +15.1%) ✓ windrose.draw.948423: 928.3 µs (baseline: 2.83 ms, -67.1%) ✓ scaling.none.1x: 11.21 ms (baseline: 13.23 ms, -15.3%) ⚠️ scaling.movingAvg.1x: 3.37 ms (baseline: 921.5 µs, +265.7%) ⚠️ scaling.rdp.1x: 1.83 ms (baseline: 1.37 ms, +33.7%) ✓ scaling.none.2x: 9.23 ms (baseline: 23.59 ms, -60.9%) ✓ scaling.movingAvg.2x: 341.7 µs (baseline: 1.21 ms, -71.7%) ✓ scaling.rdp.2x: 1.07 ms (baseline: 2.76 ms, -61.1%) ✓ scaling.none.5x: 26.23 ms (baseline: 41.61 ms, -37.0%) ✓ scaling.movingAvg.5x: 585.5 µs (baseline: 2.07 ms, -71.7%) ✓ scaling.rdp.5x: 3.34 ms (baseline: 7.98 ms, -58.1%) scaling.none.10x: 57.17 ms (baseline: 59.00 ms, -3.1%) ⚠️ scaling.movingAvg.10x: 1.27 ms (baseline: 935.8 µs, +35.7%) ✓ scaling.rdp.10x: 6.29 ms (baseline: 13.91 ms, -54.8%) scaling.none.20x: 122.37 ms (baseline: 107.21 ms, +14.1%) scaling.movingAvg.20x: 2.25 ms (baseline: 1.95 ms, +15.4%) ✓ scaling.rdp.20x: 12.14 ms (baseline: 16.62 ms, -26.9%) ✓ scaling.none.50x: 235.79 ms (baseline: 345.89 ms, -31.8%) ✓ scaling.movingAvg.50x: 5.76 ms (baseline: 10.13 ms, -43.1%) scaling.rdp.50x: 37.82 ms (baseline: 35.57 ms, +6.3%) ✓ multiseries.movingAvg.1series: 902.9 µs (baseline: 1.07 ms, -15.6%) ✓ multiseries.rdp.1series: 4.64 ms (baseline: 5.46 ms, -15.0%) ✓ multiseries.movingAvg.2series: 4.40 ms (baseline: 6.69 ms, -34.3%) multiseries.rdp.2series: 25.88 ms (baseline: 23.59 ms, +9.7%) ⚠️ multiseries.movingAvg.3series: 4.79 ms (baseline: 2.76 ms, +73.8%) ✓ multiseries.rdp.3series: 21.55 ms (baseline: 26.28 ms, -18.0%) ⚠️ multiseries.movingAvg.5series: 9.42 ms (baseline: 7.48 ms, +26.1%) multiseries.rdp.5series: 49.42 ms (baseline: 50.67 ms, -2.5%) 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: 44.38 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: 4.082 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: 0.006 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: 0.012 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: 21.55 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: 01:22 min [INFO] Finished at: 2026-10-08T16:08:01Z [INFO] ------------------------------------------------------------------------