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: 3.052 s [INFO] Finished at: 2026-10-05T23:36:32Z [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: 2.726 s [INFO] Finished at: 2026-10-05T23:36:39Z [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: 0.174 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: 2026-10-05T22:31:50.495785292Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 23:37:22.062 [main] INFO com.vaadin.flow.server.DefaultDeploymentConfiguration -- Vaadin is running in production mode. 23:37:22.127 [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 | 1.54 ms | 3.19 ms | 2.18 ms 1,000 | 5.07 ms | 3.54 ms | 6.72 ms 10,000 | 28.92 ms | 1.73 ms | 8.62 ms 49,871 | 36.91 ms | 3.55 ms | 17.73 ms 97,643 | 99.18 ms | 6.91 ms | 28.39 ms 495,995 | 365.99 ms | 11.49 ms | 58.84 ms 944,282 | 664.47 ms | 13.53 ms | 90.90 ms Note: Times include full SVG element creation and DOM operations. 23:37:36.452 [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 | 315.9 µs | 2.30 ms | 2.61 ms 10,000 | 1.77 ms | 1.73 ms | 3.50 ms 50,000 | 28.47 ms | 1.81 ms | 30.28 ms 100,000 | 24.75 ms | 3.38 ms | 28.13 ms 500,000 | 56.02 ms | 488.5 µs | 56.51 ms 948,423 | 45.18 ms | 1.84 ms | 47.02 ms Note: WindRose aggregation is O(n), but draw is O(sectors) = O(1). 23:37:37.188 [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 | 4.91 ms ( 0.5x) | 1.53 ms ( 5.7x) | 802.5 µs ( 0.5x) 2x | 19,996 | 8.77 ms ( 0.8x) | 359.3 µs ( 1.3x) | 1.29 ms ( 0.8x) 5x | 49,871 | 24.35 ms ( 2.2x) | 577.3 µs ( 2.2x) | 6.81 ms ( 4.0x) 10x | 97,643 | 74.91 ms ( 6.9x) | 3.01 ms (11.3x) | 6.59 ms ( 3.9x) 20x | 196,569 | 124.30 ms (11.4x) | 2.23 ms ( 8.4x) | 17.74 ms (10.6x) 50x | 495,995 | 333.99 ms (30.6x) | 8.65 ms (32.4x) | 61.44 ms (36.5x) Ideal O(n): time should grow linearly with multiplier. With smoothing: time for SVG creation is ~constant after reduction. 23:37:43.607 [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 | 151.9 µs | 5 | 1.13 ms 10,000 | 5 | 598.2 µs | 5 | 1.99 ms 97,643 | 5 | 1.48 ms | 5 | 8.86 ms 495,995 | 5 | 6.28 ms | 5 | 54.31 ms 944,282 | 5 | 14.28 ms | 5 | 94.05 ms Element count reflects SVG complexity after smoothing. 23:37:46.745 [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 | 1.36 ms | 12.14 ms 2 | 1.99 ms | 22.46 ms 3 | 7.83 ms | 38.11 ms 5 | 11.49 ms | 51.10 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.54 ms (baseline: 3.46 ms, -55.4%) ⚠️ sparkline.movingAvg.100: 3.19 ms (baseline: 1.72 ms, +85.5%) ✓ sparkline.rdp.100: 2.18 ms (baseline: 4.44 ms, -50.9%) ✓ sparkline.none.1000: 5.07 ms (baseline: 6.84 ms, -25.8%) ✓ sparkline.movingAvg.1000: 3.54 ms (baseline: 4.87 ms, -27.3%) sparkline.rdp.1000: 6.72 ms (baseline: 5.99 ms, +12.2%) ✓ sparkline.none.10000: 28.92 ms (baseline: 40.71 ms, -29.0%) sparkline.movingAvg.10000: 1.73 ms (baseline: 1.45 ms, +19.2%) ✓ sparkline.rdp.10000: 8.62 ms (baseline: 11.97 ms, -28.0%) ✓ sparkline.none.50000: 36.91 ms (baseline: 43.75 ms, -15.6%) sparkline.movingAvg.50000: 3.55 ms (baseline: 3.89 ms, -8.8%) ⚠️ sparkline.rdp.50000: 17.73 ms (baseline: 13.02 ms, +36.1%) sparkline.none.100000: 99.18 ms (baseline: 106.52 ms, -6.9%) ✓ sparkline.movingAvg.100000: 6.91 ms (baseline: 11.70 ms, -40.9%) ⚠️ sparkline.rdp.100000: 28.39 ms (baseline: 11.98 ms, +137.1%) sparkline.none.500000: 365.99 ms (baseline: 355.84 ms, +2.9%) ⚠️ sparkline.movingAvg.500000: 11.49 ms (baseline: 4.68 ms, +145.2%) ⚠️ sparkline.rdp.500000: 58.84 ms (baseline: 34.25 ms, +71.8%) sparkline.none.948423: 664.47 ms (baseline: 632.81 ms, +5.0%) ⚠️ sparkline.movingAvg.948423: 13.53 ms (baseline: 9.92 ms, +36.4%) sparkline.rdp.948423: 90.90 ms (baseline: 85.82 ms, +5.9%) ✓ windrose.aggregation.1000: 315.9 µs (baseline: 411.9 µs, -23.3%) ⚠️ windrose.draw.1000: 2.30 ms (baseline: 1.74 ms, +32.4%) windrose.aggregation.10000: 1.77 ms (baseline: 1.63 ms, +8.6%) ⚠️ windrose.draw.10000: 1.73 ms (baseline: 1.31 ms, +32.2%) ⚠️ windrose.aggregation.50000: 28.47 ms (baseline: 21.24 ms, +34.0%) ⚠️ windrose.draw.50000: 1.81 ms (baseline: 794.2 µs, +128.0%) ⚠️ windrose.aggregation.100000: 24.75 ms (baseline: 4.41 ms, +461.7%) ⚠️ windrose.draw.100000: 3.38 ms (baseline: 1.13 ms, +199.0%) ⚠️ windrose.aggregation.500000: 56.02 ms (baseline: 27.09 ms, +106.8%) ✓ windrose.draw.500000: 488.5 µs (baseline: 1.92 ms, -74.6%) ✓ windrose.aggregation.948423: 45.18 ms (baseline: 97.85 ms, -53.8%) windrose.draw.948423: 1.84 ms (baseline: 1.71 ms, +7.9%) scaling.none.1x: 4.91 ms (baseline: 4.30 ms, +14.2%) ⚠️ scaling.movingAvg.1x: 1.53 ms (baseline: 878.8 µs, +74.5%) scaling.rdp.1x: 802.5 µs (baseline: 722.2 µs, +11.1%) ✓ scaling.none.2x: 8.77 ms (baseline: 10.61 ms, -17.3%) ✓ scaling.movingAvg.2x: 359.3 µs (baseline: 931.1 µs, -61.4%) scaling.rdp.2x: 1.29 ms (baseline: 1.39 ms, -7.5%) ✓ scaling.none.5x: 24.35 ms (baseline: 33.05 ms, -26.3%) scaling.movingAvg.5x: 577.3 µs (baseline: 584.9 µs, -1.3%) ⚠️ scaling.rdp.5x: 6.81 ms (baseline: 2.70 ms, +152.2%) ⚠️ scaling.none.10x: 74.91 ms (baseline: 45.53 ms, +64.5%) ⚠️ scaling.movingAvg.10x: 3.01 ms (baseline: 957.5 µs, +214.3%) ⚠️ scaling.rdp.10x: 6.59 ms (baseline: 4.66 ms, +41.2%) scaling.none.20x: 124.30 ms (baseline: 109.33 ms, +13.7%) ⚠️ scaling.movingAvg.20x: 2.23 ms (baseline: 1.75 ms, +27.6%) ⚠️ scaling.rdp.20x: 17.74 ms (baseline: 11.14 ms, +59.3%) ⚠️ scaling.none.50x: 333.99 ms (baseline: 240.44 ms, +38.9%) ⚠️ scaling.movingAvg.50x: 8.65 ms (baseline: 6.62 ms, +30.8%) ⚠️ scaling.rdp.50x: 61.44 ms (baseline: 48.49 ms, +26.7%) ✓ multiseries.movingAvg.1series: 1.36 ms (baseline: 2.73 ms, -50.0%) ✓ multiseries.rdp.1series: 12.14 ms (baseline: 44.11 ms, -72.5%) multiseries.movingAvg.2series: 1.99 ms (baseline: 2.00 ms, -0.6%) multiseries.rdp.2series: 22.46 ms (baseline: 24.84 ms, -9.6%) ⚠️ multiseries.movingAvg.3series: 7.83 ms (baseline: 2.81 ms, +178.6%) multiseries.rdp.3series: 38.11 ms (baseline: 39.96 ms, -4.7%) ⚠️ multiseries.movingAvg.5series: 11.49 ms (baseline: 6.58 ms, +74.5%) ✓ multiseries.rdp.5series: 51.10 ms (baseline: 65.62 ms, -22.1%) 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: 45.07 s -- in org.vaadin.svgvis.RenderingPerformanceTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineDrawingTest 23:37:52.161 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 23:37:52.249 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 23:37:52.277 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 23:37:52.318 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 23:37:52.350 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 23:37:52.373 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 23:37:52.391 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled 23:37:52.427 [main] INFO com.vaadin.copilot.CopilotIndexHtmlLoader -- Copilot is disabled [INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.762 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: 0.018 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: 0.023 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: 21.72 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: 01:23 min [INFO] Finished at: 2026-10-05T23:38:15Z [INFO] ------------------------------------------------------------------------