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 939d4f0 [maven-release-plugin] prepare for next development iteration $ mvn versions:set-property -Dproperty=vaadin.version -DnewVersion=25.2.5 -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:1.1.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 100, 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 1.1.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- versions:2.21.0:set-property (default-cli) @ svg-visualizations --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.745 s [INFO] Finished at: 2026-08-05T06:54:36Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2.5 -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:1.1.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 100, 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 1.1.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- versions:2.21.0: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:1.1.1-SNAPSHOT -> 25.2.5 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.510 s [INFO] Finished at: 2026-08-05T06:54:43Z [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:1.1.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 100, 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 1.1.1-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:1.1.1-SNAPSHOT... [INFO] [INFO] --- compiler:3.13.0:compile (default-compile) @ svg-visualizations --- [INFO] Recompiling the module because of changed source code. [INFO] Compiling 2 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 13 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.RenderingPerformanceTest Loaded 948423 weather records === System Information === CPU Model: AMD EPYC-Rome Processor CPU Cores: 4 OS: Linux 6.8.0-136-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-08-05T05:46:46.396933638Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:55:20.887 [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 | 5.46 ms | 5.11 ms | 2.30 ms 1,000 | 9.33 ms | 3.46 ms | 2.44 ms 10,000 | 25.81 ms | 3.86 ms | 4.06 ms 49,871 | 27.55 ms | 8.35 ms | 78.78 ms 97,643 | 79.21 ms | 12.67 ms | 12.77 ms 495,995 | 343.50 ms | 39.04 ms | 51.83 ms 944,282 | 535.61 ms | 148.79 ms | 125.00 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 | 3.93 ms | 2.15 ms | 6.08 ms 10,000 | 1.81 ms | 879.9 µs | 2.69 ms 50,000 | 7.77 ms | 3.18 ms | 10.95 ms 100,000 | 15.99 ms | 1.18 ms | 17.17 ms 500,000 | 66.48 ms | 2.21 ms | 68.69 ms 948,423 | 136.32 ms | 2.16 ms | 138.47 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 | 9.27 ms ( 1.0x) | 2.15 ms ( 3.1x) | 900.0 µs ( 0.5x) 2x | 19,996 | 24.17 ms ( 2.5x) | 1.26 ms ( 1.8x) | 4.32 ms ( 2.2x) 5x | 49,871 | 23.80 ms ( 2.5x) | 7.11 ms (10.3x) | 7.56 ms ( 3.9x) 10x | 97,643 | 108.53 ms (11.4x) | 11.10 ms (16.0x) | 8.11 ms ( 4.2x) 20x | 196,569 | 99.24 ms (10.4x) | 9.02 ms (13.0x) | 37.78 ms (19.4x) 50x | 495,995 | 257.55 ms (27.1x) | 42.35 ms (61.1x) | 69.43 ms (35.7x) 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 | 227.8 µs | 5 | 264.5 µs 10,000 | 5 | 719.7 µs | 5 | 723.9 µs 97,643 | 5 | 4.57 ms | 5 | 4.64 ms 495,995 | 5 | 32.02 ms | 5 | 54.25 ms 944,282 | 5 | 109.03 ms | 5 | 90.87 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 | 4.93 ms | 4.60 ms 2 | 10.62 ms | 12.28 ms 3 | 23.19 ms | 28.67 ms 5 | 34.38 ms | 44.76 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 5.46 ms (baseline: 1.66 ms, +228.4%) ⚠️ sparkline.movingAvg.100: 5.11 ms (baseline: 2.02 ms, +153.2%) ⚠️ sparkline.rdp.100: 2.30 ms (baseline: 908.8 µs, +152.6%) ⚠️ sparkline.none.1000: 9.33 ms (baseline: 2.51 ms, +272.5%) ⚠️ sparkline.movingAvg.1000: 3.46 ms (baseline: 2.17 ms, +59.4%) ✓ sparkline.rdp.1000: 2.44 ms (baseline: 2.76 ms, -11.4%) ⚠️ sparkline.none.10000: 25.81 ms (baseline: 15.91 ms, +62.2%) ⚠️ sparkline.movingAvg.10000: 3.86 ms (baseline: 2.66 ms, +44.9%) ✓ sparkline.rdp.10000: 4.06 ms (baseline: 4.70 ms, -13.7%) ⚠️ sparkline.none.50000: 27.55 ms (baseline: 22.36 ms, +23.2%) ⚠️ sparkline.movingAvg.50000: 8.35 ms (baseline: 3.13 ms, +166.2%) ⚠️ sparkline.rdp.50000: 78.78 ms (baseline: 50.89 ms, +54.8%) ⚠️ sparkline.none.100000: 79.21 ms (baseline: 36.65 ms, +116.1%) ⚠️ sparkline.movingAvg.100000: 12.67 ms (baseline: 5.60 ms, +126.3%) ⚠️ sparkline.rdp.100000: 12.77 ms (baseline: 5.43 ms, +135.1%) ⚠️ sparkline.none.500000: 343.50 ms (baseline: 191.11 ms, +79.7%) sparkline.movingAvg.500000: 39.04 ms (baseline: 36.26 ms, +7.7%) sparkline.rdp.500000: 51.83 ms (baseline: 48.23 ms, +7.5%) ⚠️ sparkline.none.948423: 535.61 ms (baseline: 341.26 ms, +57.0%) ⚠️ sparkline.movingAvg.948423: 148.79 ms (baseline: 102.48 ms, +45.2%) ⚠️ sparkline.rdp.948423: 125.00 ms (baseline: 62.19 ms, +101.0%) ⚠️ windrose.aggregation.1000: 3.93 ms (baseline: 420.0 µs, +834.8%) ⚠️ windrose.draw.1000: 2.15 ms (baseline: 706.6 µs, +204.9%) windrose.aggregation.10000: 1.81 ms (baseline: 1.68 ms, +7.6%) ✓ windrose.draw.10000: 879.9 µs (baseline: 1.87 ms, -53.0%) ✓ windrose.aggregation.50000: 7.77 ms (baseline: 11.34 ms, -31.5%) ⚠️ windrose.draw.50000: 3.18 ms (baseline: 676.1 µs, +369.9%) ⚠️ windrose.aggregation.100000: 15.99 ms (baseline: 7.93 ms, +101.6%) windrose.draw.100000: 1.18 ms (baseline: 992.4 µs, +19.0%) ⚠️ windrose.aggregation.500000: 66.48 ms (baseline: 19.51 ms, +240.7%) ⚠️ windrose.draw.500000: 2.21 ms (baseline: 551.8 µs, +301.0%) ⚠️ windrose.aggregation.948423: 136.32 ms (baseline: 38.31 ms, +255.8%) ⚠️ windrose.draw.948423: 2.16 ms (baseline: 531.0 µs, +306.6%) ⚠️ scaling.none.1x: 9.27 ms (baseline: 3.66 ms, +153.1%) ⚠️ scaling.movingAvg.1x: 2.15 ms (baseline: 686.9 µs, +212.9%) ⚠️ scaling.rdp.1x: 900.0 µs (baseline: 568.0 µs, +58.4%) ⚠️ scaling.none.2x: 24.17 ms (baseline: 7.94 ms, +204.3%) ✓ scaling.movingAvg.2x: 1.26 ms (baseline: 1.61 ms, -21.7%) ⚠️ scaling.rdp.2x: 4.32 ms (baseline: 906.4 µs, +376.8%) ⚠️ scaling.none.5x: 23.80 ms (baseline: 16.42 ms, +44.9%) ⚠️ scaling.movingAvg.5x: 7.11 ms (baseline: 2.45 ms, +190.0%) ⚠️ scaling.rdp.5x: 7.56 ms (baseline: 2.25 ms, +235.8%) ⚠️ scaling.none.10x: 108.53 ms (baseline: 32.05 ms, +238.6%) ⚠️ scaling.movingAvg.10x: 11.10 ms (baseline: 5.20 ms, +113.3%) ⚠️ scaling.rdp.10x: 8.11 ms (baseline: 4.10 ms, +97.7%) ⚠️ scaling.none.20x: 99.24 ms (baseline: 78.23 ms, +26.9%) ✓ scaling.movingAvg.20x: 9.02 ms (baseline: 10.20 ms, -11.6%) ⚠️ scaling.rdp.20x: 37.78 ms (baseline: 9.02 ms, +318.7%) ⚠️ scaling.none.50x: 257.55 ms (baseline: 201.03 ms, +28.1%) ⚠️ scaling.movingAvg.50x: 42.35 ms (baseline: 32.60 ms, +29.9%) ⚠️ scaling.rdp.50x: 69.43 ms (baseline: 22.66 ms, +206.4%) multiseries.movingAvg.1series: 4.93 ms (baseline: 4.55 ms, +8.3%) multiseries.rdp.1series: 4.60 ms (baseline: 3.98 ms, +15.4%) multiseries.movingAvg.2series: 10.62 ms (baseline: 9.00 ms, +18.0%) ✓ multiseries.rdp.2series: 12.28 ms (baseline: 17.71 ms, -30.7%) ⚠️ multiseries.movingAvg.3series: 23.19 ms (baseline: 12.88 ms, +80.1%) ⚠️ multiseries.rdp.3series: 28.67 ms (baseline: 19.87 ms, +44.3%) ⚠️ multiseries.movingAvg.5series: 34.38 ms (baseline: 21.63 ms, +59.0%) ⚠️ multiseries.rdp.5series: 44.76 ms (baseline: 31.19 ms, +43.5%) 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: 43.60 s -- in org.vaadin.svgvis.RenderingPerformanceTest [INFO] Running org.vaadin.svgvis.unit.WindRoseTest [INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.022 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: 0.043 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: 21.13 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 24, 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-1.1.1-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:16 min [INFO] Finished at: 2026-08-05T06:56:09Z [INFO] ------------------------------------------------------------------------