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=25.3.1 -DgenerateBackupPoms=false -B --no-transfer-progress 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: 2.696 s [INFO] Finished at: 2026-10-09T12:19:56Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.3.1 -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress 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 -> 25.3.1 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.806 s [INFO] Finished at: 2026-10-09T12:20:03Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress -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: 0.226 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: 2026-10-09T11:19:51.715032932Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 12:20:46.549 [main] INFO com.vaadin.flow.server.DefaultDeploymentConfiguration -- Vaadin is running in production mode. 12:20:46.637 [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 | 8.07 ms | 2.82 ms | 3.79 ms 1,000 | 5.42 ms | 3.93 ms | 3.12 ms 10,000 | 31.96 ms | 6.68 ms | 15.74 ms 49,871 | 47.46 ms | 3.09 ms | 9.32 ms 97,643 | 48.64 ms | 4.74 ms | 17.28 ms 495,995 | 409.36 ms | 6.49 ms | 48.54 ms 944,282 | 666.40 ms | 10.02 ms | 104.27 ms Note: Times include full SVG element creation and DOM operations. 12:21:01.383 [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 | 2.42 ms | 3.61 ms | 6.04 ms 10,000 | 4.61 ms | 1.87 ms | 6.48 ms 50,000 | 14.54 ms | 1.12 ms | 15.66 ms 100,000 | 7.37 ms | 661.6 µs | 8.03 ms 500,000 | 43.29 ms | 560.0 µs | 43.85 ms 948,423 | 59.92 ms | 480.7 µs | 60.40 ms Note: WindRose aggregation is O(n), but draw is O(sectors) = O(1). 12:21:01.709 [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 | 8.15 ms ( 1.0x) | 630.0 µs ( 0.8x) | 1.29 ms ( 0.6x) 2x | 19,996 | 11.82 ms ( 1.4x) | 769.5 µs ( 1.0x) | 2.25 ms ( 1.0x) 5x | 49,871 | 35.78 ms ( 4.4x) | 560.9 µs ( 0.7x) | 2.68 ms ( 1.2x) 10x | 97,643 | 62.37 ms ( 7.6x) | 3.33 ms ( 4.3x) | 12.03 ms ( 5.5x) 20x | 196,569 | 121.42 ms (14.8x) | 6.77 ms ( 8.8x) | 23.68 ms (10.9x) 50x | 495,995 | 448.25 ms (54.6x) | 8.49 ms (11.0x) | 77.80 ms (35.7x) Ideal O(n): time should grow linearly with multiplier. With smoothing: time for SVG creation is ~constant after reduction. 12:21:09.701 [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 | 2.25 ms | 5 | 2.79 ms 10,000 | 5 | 2.93 ms | 5 | 6.62 ms 97,643 | 5 | 1.13 ms | 5 | 4.85 ms 495,995 | 5 | 4.49 ms | 5 | 31.27 ms 944,282 | 5 | 15.86 ms | 5 | 140.23 ms Element count reflects SVG complexity after smoothing. 12:21:13.431 [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 | 3.66 ms | 43.78 ms 2 | 4.61 ms | 26.10 ms 3 | 6.39 ms | 21.66 ms 5 | 8.36 ms | 80.80 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 8.07 ms (baseline: 5.02 ms, +60.6%) ✓ sparkline.movingAvg.100: 2.82 ms (baseline: 3.29 ms, -14.4%) ⚠️ sparkline.rdp.100: 3.79 ms (baseline: 2.94 ms, +28.9%) ✓ sparkline.none.1000: 5.42 ms (baseline: 8.80 ms, -38.4%) ✓ sparkline.movingAvg.1000: 3.93 ms (baseline: 6.27 ms, -37.3%) ✓ sparkline.rdp.1000: 3.12 ms (baseline: 4.47 ms, -30.1%) ✓ sparkline.none.10000: 31.96 ms (baseline: 36.73 ms, -13.0%) ⚠️ sparkline.movingAvg.10000: 6.68 ms (baseline: 3.98 ms, +67.9%) sparkline.rdp.10000: 15.74 ms (baseline: 15.33 ms, +2.7%) ✓ sparkline.none.50000: 47.46 ms (baseline: 54.38 ms, -12.7%) ⚠️ sparkline.movingAvg.50000: 3.09 ms (baseline: 1.03 ms, +199.1%) sparkline.rdp.50000: 9.32 ms (baseline: 8.55 ms, +9.0%) ✓ sparkline.none.100000: 48.64 ms (baseline: 77.23 ms, -37.0%) ⚠️ sparkline.movingAvg.100000: 4.74 ms (baseline: 2.77 ms, +70.9%) sparkline.rdp.100000: 17.28 ms (baseline: 14.70 ms, +17.6%) sparkline.none.500000: 409.36 ms (baseline: 360.11 ms, +13.7%) ✓ sparkline.movingAvg.500000: 6.49 ms (baseline: 12.40 ms, -47.6%) ✓ sparkline.rdp.500000: 48.54 ms (baseline: 97.14 ms, -50.0%) sparkline.none.948423: 666.40 ms (baseline: 690.94 ms, -3.6%) ✓ sparkline.movingAvg.948423: 10.02 ms (baseline: 16.81 ms, -40.4%) sparkline.rdp.948423: 104.27 ms (baseline: 107.96 ms, -3.4%) ⚠️ windrose.aggregation.1000: 2.42 ms (baseline: 307.2 µs, +688.4%) ⚠️ windrose.draw.1000: 3.61 ms (baseline: 1.65 ms, +119.0%) windrose.aggregation.10000: 4.61 ms (baseline: 3.96 ms, +16.4%) ⚠️ windrose.draw.10000: 1.87 ms (baseline: 1.18 ms, +58.0%) ✓ windrose.aggregation.50000: 14.54 ms (baseline: 23.90 ms, -39.2%) ⚠️ windrose.draw.50000: 1.12 ms (baseline: 514.0 µs, +118.8%) ✓ windrose.aggregation.100000: 7.37 ms (baseline: 8.97 ms, -17.8%) ⚠️ windrose.draw.100000: 661.6 µs (baseline: 524.8 µs, +26.1%) windrose.aggregation.500000: 43.29 ms (baseline: 47.17 ms, -8.2%) ⚠️ windrose.draw.500000: 560.0 µs (baseline: 437.5 µs, +28.0%) ✓ windrose.aggregation.948423: 59.92 ms (baseline: 72.02 ms, -16.8%) windrose.draw.948423: 480.7 µs (baseline: 420.8 µs, +14.2%) ✓ scaling.none.1x: 8.15 ms (baseline: 9.81 ms, -16.9%) ⚠️ scaling.movingAvg.1x: 630.0 µs (baseline: 346.3 µs, +81.9%) ✓ scaling.rdp.1x: 1.29 ms (baseline: 2.80 ms, -54.1%) ⚠️ scaling.none.2x: 11.82 ms (baseline: 9.10 ms, +29.9%) ⚠️ scaling.movingAvg.2x: 769.5 µs (baseline: 410.9 µs, +87.3%) scaling.rdp.2x: 2.25 ms (baseline: 2.34 ms, -3.6%) ⚠️ scaling.none.5x: 35.78 ms (baseline: 28.02 ms, +27.7%) ✓ scaling.movingAvg.5x: 560.9 µs (baseline: 758.7 µs, -26.1%) scaling.rdp.5x: 2.68 ms (baseline: 2.59 ms, +3.5%) ✓ scaling.none.10x: 62.37 ms (baseline: 88.11 ms, -29.2%) ⚠️ scaling.movingAvg.10x: 3.33 ms (baseline: 1.20 ms, +178.3%) scaling.rdp.10x: 12.03 ms (baseline: 10.18 ms, +18.3%) ⚠️ scaling.none.20x: 121.42 ms (baseline: 100.20 ms, +21.2%) ⚠️ scaling.movingAvg.20x: 6.77 ms (baseline: 3.12 ms, +117.3%) scaling.rdp.20x: 23.68 ms (baseline: 21.12 ms, +12.2%) ⚠️ scaling.none.50x: 448.25 ms (baseline: 372.73 ms, +20.3%) scaling.movingAvg.50x: 8.49 ms (baseline: 7.22 ms, +17.5%) scaling.rdp.50x: 77.80 ms (baseline: 72.44 ms, +7.4%) ⚠️ multiseries.movingAvg.1series: 3.66 ms (baseline: 2.15 ms, +70.1%) ⚠️ multiseries.rdp.1series: 43.78 ms (baseline: 7.78 ms, +462.6%) multiseries.movingAvg.2series: 4.61 ms (baseline: 4.63 ms, -0.4%) multiseries.rdp.2series: 26.10 ms (baseline: 23.69 ms, +10.1%) ⚠️ multiseries.movingAvg.3series: 6.39 ms (baseline: 3.78 ms, +69.0%) ✓ multiseries.rdp.3series: 21.66 ms (baseline: 34.24 ms, -36.7%) ✓ multiseries.movingAvg.5series: 8.36 ms (baseline: 9.83 ms, -15.0%) ✓ multiseries.rdp.5series: 80.80 ms (baseline: 90.21 ms, -10.4%) 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: 48.67 s -- in org.vaadin.svgvis.RenderingPerformanceTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineDrawingTest 12:21:19.421 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 12:21:19.543 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 12:21:19.578 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 12:21:19.612 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 12:21:19.675 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 12:21:19.696 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 12:21:19.729 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 12:21:19.753 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled [INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 4.273 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: 0.011 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: 0.021 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: 25.70 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: 01:31 min [INFO] Finished at: 2026-10-09T12:21:46Z [INFO] ------------------------------------------------------------------------