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: 2.897 s [INFO] Finished at: 2026-10-06T16:42:40Z [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: 2.516 s [INFO] Finished at: 2026-10-06T16:42:46Z [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: 0.223 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: 2026-10-06T15:42:13.804925108Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 16:43:28.938 [main] INFO com.vaadin.flow.server.DefaultDeploymentConfiguration -- Vaadin is running in production mode. 16:43:29.053 [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 | 5.13 ms | 6.38 ms | 6.71 ms 1,000 | 3.48 ms | 1.43 ms | 4.43 ms 10,000 | 28.18 ms | 1.06 ms | 4.99 ms 49,871 | 37.03 ms | 2.66 ms | 24.10 ms 97,643 | 72.23 ms | 4.54 ms | 38.16 ms 495,995 | 287.27 ms | 5.22 ms | 30.36 ms 944,282 | 582.45 ms | 13.28 ms | 153.63 ms Note: Times include full SVG element creation and DOM operations. 16:43:41.782 [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 | 297.8 µs | 685.4 µs | 983.2 µs 10,000 | 7.68 ms | 3.30 ms | 10.98 ms 50,000 | 22.69 ms | 3.16 ms | 25.85 ms 100,000 | 9.96 ms | 1.12 ms | 11.08 ms 500,000 | 58.22 ms | 1.66 ms | 59.88 ms 948,423 | 63.63 ms | 1.51 ms | 65.14 ms Note: WindRose aggregation is O(n), but draw is O(sectors) = O(1). 16:43:42.186 [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 | 5.06 ms ( 0.1x) | 821.3 µs ( 0.9x) | 1.35 ms ( 0.7x) 2x | 19,996 | 9.73 ms ( 0.3x) | 324.5 µs ( 0.4x) | 1.17 ms ( 0.6x) 5x | 49,871 | 26.82 ms ( 0.8x) | 1.31 ms ( 1.5x) | 5.04 ms ( 2.7x) 10x | 97,643 | 79.76 ms ( 2.2x) | 1.49 ms ( 1.7x) | 5.52 ms ( 3.0x) 20x | 196,569 | 100.02 ms ( 2.8x) | 1.97 ms ( 2.2x) | 45.93 ms (24.7x) 50x | 495,995 | 341.35 ms ( 9.6x) | 6.57 ms ( 7.5x) | 79.01 ms (42.4x) Ideal O(n): time should grow linearly with multiplier. With smoothing: time for SVG creation is ~constant after reduction. 16:43:48.615 [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 | 220.9 µs | 5 | 782.8 µs 10,000 | 5 | 345.5 µs | 5 | 1.52 ms 97,643 | 5 | 1.04 ms | 5 | 12.87 ms 495,995 | 5 | 13.38 ms | 5 | 66.35 ms 944,282 | 5 | 13.81 ms | 5 | 130.47 ms Element count reflects SVG complexity after smoothing. 16:43:51.990 [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 | 1.19 ms | 6.22 ms 2 | 2.39 ms | 13.97 ms 3 | 3.22 ms | 29.34 ms 5 | 6.18 ms | 55.98 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 5.13 ms (baseline: 3.53 ms, +45.5%) ⚠️ sparkline.movingAvg.100: 6.38 ms (baseline: 4.82 ms, +32.2%) ⚠️ sparkline.rdp.100: 6.71 ms (baseline: 3.82 ms, +75.7%) ✓ sparkline.none.1000: 3.48 ms (baseline: 7.34 ms, -52.6%) ✓ sparkline.movingAvg.1000: 1.43 ms (baseline: 5.42 ms, -73.6%) sparkline.rdp.1000: 4.43 ms (baseline: 4.39 ms, +1.1%) ⚠️ sparkline.none.10000: 28.18 ms (baseline: 13.93 ms, +102.4%) ✓ sparkline.movingAvg.10000: 1.06 ms (baseline: 7.55 ms, -85.9%) ✓ sparkline.rdp.10000: 4.99 ms (baseline: 21.15 ms, -76.4%) sparkline.none.50000: 37.03 ms (baseline: 31.61 ms, +17.2%) sparkline.movingAvg.50000: 2.66 ms (baseline: 2.73 ms, -2.5%) ✓ sparkline.rdp.50000: 24.10 ms (baseline: 109.54 ms, -78.0%) sparkline.none.100000: 72.23 ms (baseline: 66.92 ms, +7.9%) ✓ sparkline.movingAvg.100000: 4.54 ms (baseline: 10.25 ms, -55.7%) ⚠️ sparkline.rdp.100000: 38.16 ms (baseline: 12.69 ms, +200.7%) ✓ sparkline.none.500000: 287.27 ms (baseline: 353.20 ms, -18.7%) ✓ sparkline.movingAvg.500000: 5.22 ms (baseline: 8.23 ms, -36.6%) ✓ sparkline.rdp.500000: 30.36 ms (baseline: 91.44 ms, -66.8%) ✓ sparkline.none.948423: 582.45 ms (baseline: 675.23 ms, -13.7%) ⚠️ sparkline.movingAvg.948423: 13.28 ms (baseline: 8.63 ms, +54.0%) ✓ sparkline.rdp.948423: 153.63 ms (baseline: 307.20 ms, -50.0%) ✓ windrose.aggregation.1000: 297.8 µs (baseline: 619.0 µs, -51.9%) ✓ windrose.draw.1000: 685.4 µs (baseline: 1.12 ms, -39.1%) ⚠️ windrose.aggregation.10000: 7.68 ms (baseline: 2.53 ms, +203.6%) ✓ windrose.draw.10000: 3.30 ms (baseline: 4.02 ms, -17.9%) windrose.aggregation.50000: 22.69 ms (baseline: 24.00 ms, -5.4%) ⚠️ windrose.draw.50000: 3.16 ms (baseline: 1.14 ms, +176.5%) windrose.aggregation.100000: 9.96 ms (baseline: 9.04 ms, +10.2%) windrose.draw.100000: 1.12 ms (baseline: 1.24 ms, -9.8%) ⚠️ windrose.aggregation.500000: 58.22 ms (baseline: 23.73 ms, +145.3%) ⚠️ windrose.draw.500000: 1.66 ms (baseline: 795.5 µs, +109.2%) ⚠️ windrose.aggregation.948423: 63.63 ms (baseline: 42.77 ms, +48.8%) ⚠️ windrose.draw.948423: 1.51 ms (baseline: 1.04 ms, +44.8%) ✓ scaling.none.1x: 5.06 ms (baseline: 8.63 ms, -41.4%) ⚠️ scaling.movingAvg.1x: 821.3 µs (baseline: 390.2 µs, +110.5%) ⚠️ scaling.rdp.1x: 1.35 ms (baseline: 840.8 µs, +60.7%) ✓ scaling.none.2x: 9.73 ms (baseline: 18.79 ms, -48.2%) ✓ scaling.movingAvg.2x: 324.5 µs (baseline: 683.7 µs, -52.5%) ✓ scaling.rdp.2x: 1.17 ms (baseline: 3.67 ms, -68.1%) ✓ scaling.none.5x: 26.82 ms (baseline: 65.42 ms, -59.0%) scaling.movingAvg.5x: 1.31 ms (baseline: 1.23 ms, +6.6%) scaling.rdp.5x: 5.04 ms (baseline: 5.05 ms, -0.0%) ⚠️ scaling.none.10x: 79.76 ms (baseline: 47.83 ms, +66.8%) ⚠️ scaling.movingAvg.10x: 1.49 ms (baseline: 1.12 ms, +33.5%) ✓ scaling.rdp.10x: 5.52 ms (baseline: 7.62 ms, -27.6%) scaling.none.20x: 100.02 ms (baseline: 93.11 ms, +7.4%) ✓ scaling.movingAvg.20x: 1.97 ms (baseline: 4.36 ms, -54.8%) ⚠️ scaling.rdp.20x: 45.93 ms (baseline: 20.04 ms, +129.2%) scaling.none.50x: 341.35 ms (baseline: 358.20 ms, -4.7%) ✓ scaling.movingAvg.50x: 6.57 ms (baseline: 12.38 ms, -46.9%) scaling.rdp.50x: 79.01 ms (baseline: 66.70 ms, +18.4%) ✓ multiseries.movingAvg.1series: 1.19 ms (baseline: 1.71 ms, -30.3%) ✓ multiseries.rdp.1series: 6.22 ms (baseline: 6.96 ms, -10.6%) ⚠️ multiseries.movingAvg.2series: 2.39 ms (baseline: 1.99 ms, +20.4%) ✓ multiseries.rdp.2series: 13.97 ms (baseline: 19.16 ms, -27.1%) ✓ multiseries.movingAvg.3series: 3.22 ms (baseline: 3.67 ms, -12.1%) ✓ multiseries.rdp.3series: 29.34 ms (baseline: 43.96 ms, -33.3%) multiseries.movingAvg.5series: 6.18 ms (baseline: 5.19 ms, +19.0%) ⚠️ multiseries.rdp.5series: 55.98 ms (baseline: 37.30 ms, +50.1%) 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: 42.49 s -- in org.vaadin.svgvis.RenderingPerformanceTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineDrawingTest 16:43:56.851 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 16:43:56.920 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 16:43:56.946 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 16:43:56.976 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 16:43:57.012 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 16:43:57.050 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 16:43:57.068 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 16:43:57.091 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled [INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.631 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: 0.017 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: 20.73 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: 2026-10-06T16:44:18Z [INFO] ------------------------------------------------------------------------