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: 3.085 s [INFO] Finished at: 2026-10-06T07:27:47Z [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: 2.674 s [INFO] Finished at: 2026-10-06T07:27:54Z [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: 0.255 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: 2026-10-06T04:00:54.751053175Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:28:36.078 [main] INFO com.vaadin.flow.server.DefaultDeploymentConfiguration -- Vaadin is running in production mode. 07:28:36.132 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled === SparkLine draw() CPU Time Analysis === Measuring time to execute draw() with real components... Data Points | No Smoothing | Moving Avg | RDP -------------|----------------|----------------|---------------- 100 | 4.42 ms | 2.91 ms | 2.59 ms 1,000 | 10.59 ms | 2.38 ms | 3.31 ms 10,000 | 12.41 ms | 2.39 ms | 5.96 ms 49,871 | 35.68 ms | 3.15 ms | 31.91 ms 97,643 | 54.27 ms | 3.68 ms | 27.47 ms 495,995 | 322.72 ms | 11.52 ms | 77.18 ms 944,282 | 682.60 ms | 16.41 ms | 113.07 ms Note: Times include full SVG element creation and DOM operations. 07:28:50.521 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled === WindRose draw() CPU Time Analysis === Measuring time to aggregate and draw WindRose with real components... Input Records | Aggregation | Draw | Total --------------|----------------|----------------|---------------- 1,000 | 1.10 ms | 2.39 ms | 3.49 ms 10,000 | 2.37 ms | 5.48 ms | 7.84 ms 50,000 | 30.59 ms | 3.52 ms | 34.11 ms 100,000 | 12.81 ms | 2.07 ms | 14.87 ms 500,000 | 35.71 ms | 1.01 ms | 36.72 ms 948,423 | 93.97 ms | 836.3 µs | 94.80 ms Note: WindRose aggregation is O(n), but draw is O(sectors) = O(1). 07:28:50.982 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled === Scaling Behavior Analysis === Comparing how draw time scales with data size... Multiplier | Data Size | NONE (rel) | MovingAvg (rel) | RDP (rel) -----------|--------------|----------------|-----------------|---------------- 1x | 10,000 | 37.73 ms ( 4.8x) | 314.8 µs ( 0.3x) | 2.32 ms ( 1.0x) 2x | 19,996 | 14.49 ms ( 1.9x) | 335.6 µs ( 0.3x) | 1.23 ms ( 0.5x) 5x | 49,871 | 22.94 ms ( 2.9x) | 730.2 µs ( 0.7x) | 3.37 ms ( 1.5x) 10x | 97,643 | 51.55 ms ( 6.6x) | 2.69 ms ( 2.6x) | 14.94 ms ( 6.7x) 20x | 196,569 | 160.29 ms (20.5x) | 1.80 ms ( 1.7x) | 23.27 ms (10.4x) 50x | 495,995 | 261.75 ms (33.4x) | 4.74 ms ( 4.5x) | 49.56 ms (22.1x) Ideal O(n): time should grow linearly with multiplier. With smoothing: time for SVG creation is ~constant after reduction. 07:28:56.926 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled === 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 | 149.4 µs | 5 | 243.1 µs 10,000 | 5 | 290.2 µs | 5 | 991.6 µs 97,643 | 5 | 1.07 ms | 5 | 48.61 ms 495,995 | 5 | 4.54 ms | 5 | 52.16 ms 944,282 | 5 | 11.12 ms | 5 | 84.59 ms Element count reflects SVG complexity after smoothing. 07:28:59.759 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled === Multi-Series SparkLine Draw Time === Measuring draw time with multiple data series... Series Count | Moving Avg | RDP -------------|----------------|---------------- 1 | 2.26 ms | 6.29 ms 2 | 2.70 ms | 18.92 ms 3 | 3.10 ms | 38.55 ms 5 | 13.77 ms | 66.31 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 4.42 ms (baseline: 2.39 ms, +85.0%) ✓ sparkline.movingAvg.100: 2.91 ms (baseline: 3.60 ms, -19.3%) ✓ sparkline.rdp.100: 2.59 ms (baseline: 4.97 ms, -47.9%) ⚠️ sparkline.none.1000: 10.59 ms (baseline: 7.17 ms, +47.5%) ✓ sparkline.movingAvg.1000: 2.38 ms (baseline: 5.32 ms, -55.3%) sparkline.rdp.1000: 3.31 ms (baseline: 2.97 ms, +11.5%) sparkline.none.10000: 12.41 ms (baseline: 11.72 ms, +5.9%) ✓ sparkline.movingAvg.10000: 2.39 ms (baseline: 4.81 ms, -50.3%) ⚠️ sparkline.rdp.10000: 5.96 ms (baseline: 3.79 ms, +57.2%) ⚠️ sparkline.none.50000: 35.68 ms (baseline: 22.86 ms, +56.1%) sparkline.movingAvg.50000: 3.15 ms (baseline: 3.10 ms, +1.7%) ⚠️ sparkline.rdp.50000: 31.91 ms (baseline: 14.83 ms, +115.2%) ⚠️ sparkline.none.100000: 54.27 ms (baseline: 42.16 ms, +28.7%) ⚠️ sparkline.movingAvg.100000: 3.68 ms (baseline: 1.90 ms, +93.8%) ⚠️ sparkline.rdp.100000: 27.47 ms (baseline: 17.51 ms, +56.9%) ⚠️ sparkline.none.500000: 322.72 ms (baseline: 253.46 ms, +27.3%) ⚠️ sparkline.movingAvg.500000: 11.52 ms (baseline: 7.03 ms, +63.8%) sparkline.rdp.500000: 77.18 ms (baseline: 79.31 ms, -2.7%) sparkline.none.948423: 682.60 ms (baseline: 714.88 ms, -4.5%) sparkline.movingAvg.948423: 16.41 ms (baseline: 16.25 ms, +1.0%) ✓ sparkline.rdp.948423: 113.07 ms (baseline: 135.07 ms, -16.3%) ⚠️ windrose.aggregation.1000: 1.10 ms (baseline: 295.3 µs, +272.6%) windrose.draw.1000: 2.39 ms (baseline: 2.35 ms, +2.0%) ⚠️ windrose.aggregation.10000: 2.37 ms (baseline: 1.68 ms, +40.7%) ⚠️ windrose.draw.10000: 5.48 ms (baseline: 1.71 ms, +220.6%) ⚠️ windrose.aggregation.50000: 30.59 ms (baseline: 16.00 ms, +91.1%) ⚠️ windrose.draw.50000: 3.52 ms (baseline: 1.28 ms, +175.6%) ⚠️ windrose.aggregation.100000: 12.81 ms (baseline: 7.11 ms, +80.1%) ⚠️ windrose.draw.100000: 2.07 ms (baseline: 613.0 µs, +237.5%) windrose.aggregation.500000: 35.71 ms (baseline: 33.29 ms, +7.3%) ✓ windrose.draw.500000: 1.01 ms (baseline: 1.98 ms, -49.0%) ⚠️ windrose.aggregation.948423: 93.97 ms (baseline: 69.54 ms, +35.1%) ⚠️ windrose.draw.948423: 836.3 µs (baseline: 568.1 µs, +47.2%) ⚠️ scaling.none.1x: 37.73 ms (baseline: 4.99 ms, +656.6%) ✓ scaling.movingAvg.1x: 314.8 µs (baseline: 8.09 ms, -96.1%) ⚠️ scaling.rdp.1x: 2.32 ms (baseline: 1.42 ms, +62.9%) ⚠️ scaling.none.2x: 14.49 ms (baseline: 9.24 ms, +56.8%) scaling.movingAvg.2x: 335.6 µs (baseline: 325.0 µs, +3.3%) ✓ scaling.rdp.2x: 1.23 ms (baseline: 1.48 ms, -16.7%) ✓ scaling.none.5x: 22.94 ms (baseline: 43.88 ms, -47.7%) ✓ scaling.movingAvg.5x: 730.2 µs (baseline: 2.46 ms, -70.3%) ✓ scaling.rdp.5x: 3.37 ms (baseline: 10.52 ms, -68.0%) ✓ scaling.none.10x: 51.55 ms (baseline: 59.75 ms, -13.7%) scaling.movingAvg.10x: 2.69 ms (baseline: 2.78 ms, -3.0%) ⚠️ scaling.rdp.10x: 14.94 ms (baseline: 7.41 ms, +101.6%) ⚠️ scaling.none.20x: 160.29 ms (baseline: 110.51 ms, +45.0%) ✓ scaling.movingAvg.20x: 1.80 ms (baseline: 3.94 ms, -54.4%) ✓ scaling.rdp.20x: 23.27 ms (baseline: 44.57 ms, -47.8%) ✓ scaling.none.50x: 261.75 ms (baseline: 300.70 ms, -13.0%) ✓ scaling.movingAvg.50x: 4.74 ms (baseline: 9.46 ms, -49.9%) ✓ scaling.rdp.50x: 49.56 ms (baseline: 58.02 ms, -14.6%) ⚠️ multiseries.movingAvg.1series: 2.26 ms (baseline: 1.25 ms, +81.5%) ✓ multiseries.rdp.1series: 6.29 ms (baseline: 10.48 ms, -40.0%) multiseries.movingAvg.2series: 2.70 ms (baseline: 2.37 ms, +13.8%) multiseries.rdp.2series: 18.92 ms (baseline: 19.50 ms, -3.0%) ✓ multiseries.movingAvg.3series: 3.10 ms (baseline: 7.27 ms, -57.4%) ✓ multiseries.rdp.3series: 38.55 ms (baseline: 45.18 ms, -14.7%) ⚠️ multiseries.movingAvg.5series: 13.77 ms (baseline: 8.10 ms, +69.9%) ⚠️ multiseries.rdp.5series: 66.31 ms (baseline: 44.38 ms, +49.4%) 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: 41.60 s -- in org.vaadin.svgvis.RenderingPerformanceTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineDrawingTest 07:29:05.039 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 07:29:05.106 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 07:29:05.140 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 07:29:05.165 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 07:29:05.203 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 07:29:05.228 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 07:29:05.252 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 07:29:05.276 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled [INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.824 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: 0.039 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: 0.027 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: 19.02 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: 01:17 min [INFO] Finished at: 2026-10-06T07:29:25Z [INFO] ------------------------------------------------------------------------