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 0ac9d5f Upped versions and moved to browserless-test $ mvn versions:set-property -Dproperty=vaadin.version -DnewVersion=25.2.7 -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 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 1.1.1-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: 2.662 s [INFO] Finished at: 2026-09-09T10:23:55Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2.7 -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 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 1.1.1-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 -> 25.2.7 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.593 s [INFO] Finished at: 2026-09-09T10:24:02Z [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 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 1.1.1-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 6.8.0-139-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-09-09T07:51:42.573180073Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 10:24:43.071 [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 | 3.96 ms | 3.21 ms | 946.2 µs 1,000 | 6.68 ms | 4.79 ms | 4.13 ms 10,000 | 13.20 ms | 2.96 ms | 5.44 ms 49,871 | 21.69 ms | 14.00 ms | 37.52 ms 97,643 | 78.93 ms | 7.65 ms | 5.34 ms 495,995 | 292.25 ms | 35.50 ms | 50.20 ms 944,282 | 474.47 ms | 172.25 ms | 111.12 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 | 446.6 µs | 2.63 ms | 3.07 ms 10,000 | 1.60 ms | 592.2 µs | 2.20 ms 50,000 | 20.89 ms | 1.83 ms | 22.72 ms 100,000 | 16.36 ms | 1.80 ms | 18.16 ms 500,000 | 28.09 ms | 1.10 ms | 29.19 ms 948,423 | 74.93 ms | 806.6 µs | 75.73 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 | 4.55 ms ( 1.3x) | 658.6 µs ( 1.2x) | 678.4 µs ( 1.0x) 2x | 19,996 | 12.40 ms ( 3.4x) | 1.07 ms ( 1.9x) | 2.24 ms ( 3.2x) 5x | 49,871 | 20.27 ms ( 5.6x) | 2.37 ms ( 4.3x) | 2.30 ms ( 3.3x) 10x | 97,643 | 45.48 ms (12.6x) | 6.99 ms (12.7x) | 7.51 ms (10.7x) 20x | 196,569 | 87.65 ms (24.4x) | 16.33 ms (29.7x) | 13.11 ms (18.6x) 50x | 495,995 | 253.60 ms (70.5x) | 56.15 ms (102.0x) | 83.00 ms (117.8x) 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 | 665.8 µs | 5 | 646.8 µs 10,000 | 5 | 777.1 µs | 5 | 1.23 ms 97,643 | 5 | 4.63 ms | 5 | 6.17 ms 495,995 | 5 | 43.45 ms | 5 | 73.31 ms 944,282 | 5 | 103.05 ms | 5 | 113.47 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 | 4.81 ms | 4.48 ms 2 | 18.83 ms | 18.45 ms 3 | 21.67 ms | 41.76 ms 5 | 26.41 ms | 47.09 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.96 ms (baseline: 1.17 ms, +237.0%) ⚠️ sparkline.movingAvg.100: 3.21 ms (baseline: 1.31 ms, +145.6%) ✓ sparkline.rdp.100: 946.2 µs (baseline: 1.76 ms, -46.2%) ⚠️ sparkline.none.1000: 6.68 ms (baseline: 3.14 ms, +112.5%) ⚠️ sparkline.movingAvg.1000: 4.79 ms (baseline: 1.14 ms, +320.0%) ⚠️ sparkline.rdp.1000: 4.13 ms (baseline: 1.36 ms, +203.0%) ✓ sparkline.none.10000: 13.20 ms (baseline: 20.16 ms, -34.5%) sparkline.movingAvg.10000: 2.96 ms (baseline: 2.94 ms, +0.8%) ⚠️ sparkline.rdp.10000: 5.44 ms (baseline: 4.04 ms, +34.4%) ✓ sparkline.none.50000: 21.69 ms (baseline: 34.19 ms, -36.5%) ⚠️ sparkline.movingAvg.50000: 14.00 ms (baseline: 2.72 ms, +414.1%) ⚠️ sparkline.rdp.50000: 37.52 ms (baseline: 24.04 ms, +56.1%) ⚠️ sparkline.none.100000: 78.93 ms (baseline: 49.96 ms, +58.0%) sparkline.movingAvg.100000: 7.65 ms (baseline: 6.97 ms, +9.8%) ✓ sparkline.rdp.100000: 5.34 ms (baseline: 10.99 ms, -51.4%) ⚠️ sparkline.none.500000: 292.25 ms (baseline: 224.82 ms, +30.0%) ✓ sparkline.movingAvg.500000: 35.50 ms (baseline: 42.52 ms, -16.5%) ⚠️ sparkline.rdp.500000: 50.20 ms (baseline: 33.52 ms, +49.8%) ⚠️ sparkline.none.948423: 474.47 ms (baseline: 381.41 ms, +24.4%) ⚠️ sparkline.movingAvg.948423: 172.25 ms (baseline: 97.62 ms, +76.4%) ⚠️ sparkline.rdp.948423: 111.12 ms (baseline: 70.09 ms, +58.5%) windrose.aggregation.1000: 446.6 µs (baseline: 436.1 µs, +2.4%) ⚠️ windrose.draw.1000: 2.63 ms (baseline: 1.25 ms, +109.9%) ✓ windrose.aggregation.10000: 1.60 ms (baseline: 3.80 ms, -57.7%) ✓ windrose.draw.10000: 592.2 µs (baseline: 1.31 ms, -54.8%) ⚠️ windrose.aggregation.50000: 20.89 ms (baseline: 7.69 ms, +171.7%) ⚠️ windrose.draw.50000: 1.83 ms (baseline: 655.0 µs, +179.6%) ⚠️ windrose.aggregation.100000: 16.36 ms (baseline: 4.10 ms, +299.1%) ⚠️ windrose.draw.100000: 1.80 ms (baseline: 1.21 ms, +49.0%) windrose.aggregation.500000: 28.09 ms (baseline: 26.40 ms, +6.4%) ⚠️ windrose.draw.500000: 1.10 ms (baseline: 548.9 µs, +99.8%) ⚠️ windrose.aggregation.948423: 74.93 ms (baseline: 40.05 ms, +87.1%) ⚠️ windrose.draw.948423: 806.6 µs (baseline: 557.1 µs, +44.8%) ✓ scaling.none.1x: 4.55 ms (baseline: 12.84 ms, -64.6%) scaling.movingAvg.1x: 658.6 µs (baseline: 561.3 µs, +17.3%) ✓ scaling.rdp.1x: 678.4 µs (baseline: 3.02 ms, -77.6%) ⚠️ scaling.none.2x: 12.40 ms (baseline: 8.35 ms, +48.6%) scaling.movingAvg.2x: 1.07 ms (baseline: 984.2 µs, +8.7%) ⚠️ scaling.rdp.2x: 2.24 ms (baseline: 1.08 ms, +108.1%) scaling.none.5x: 20.27 ms (baseline: 21.06 ms, -3.7%) scaling.movingAvg.5x: 2.37 ms (baseline: 2.36 ms, +0.3%) scaling.rdp.5x: 2.30 ms (baseline: 2.43 ms, -5.2%) ⚠️ scaling.none.10x: 45.48 ms (baseline: 33.00 ms, +37.8%) ⚠️ scaling.movingAvg.10x: 6.99 ms (baseline: 4.20 ms, +66.4%) ⚠️ scaling.rdp.10x: 7.51 ms (baseline: 4.62 ms, +62.5%) ⚠️ scaling.none.20x: 87.65 ms (baseline: 68.40 ms, +28.2%) ⚠️ scaling.movingAvg.20x: 16.33 ms (baseline: 8.65 ms, +88.8%) ⚠️ scaling.rdp.20x: 13.11 ms (baseline: 9.46 ms, +38.7%) scaling.none.50x: 253.60 ms (baseline: 221.81 ms, +14.3%) ⚠️ scaling.movingAvg.50x: 56.15 ms (baseline: 35.61 ms, +57.7%) ⚠️ scaling.rdp.50x: 83.00 ms (baseline: 24.10 ms, +244.4%) ✓ multiseries.movingAvg.1series: 4.81 ms (baseline: 5.60 ms, -14.1%) ✓ multiseries.rdp.1series: 4.48 ms (baseline: 5.64 ms, -20.5%) ⚠️ multiseries.movingAvg.2series: 18.83 ms (baseline: 10.40 ms, +81.1%) ⚠️ multiseries.rdp.2series: 18.45 ms (baseline: 14.10 ms, +30.8%) ⚠️ multiseries.movingAvg.3series: 21.67 ms (baseline: 13.76 ms, +57.5%) ⚠️ multiseries.rdp.3series: 41.76 ms (baseline: 22.75 ms, +83.6%) multiseries.movingAvg.5series: 26.41 ms (baseline: 23.76 ms, +11.2%) ⚠️ multiseries.rdp.5series: 47.09 ms (baseline: 36.23 ms, +30.0%) 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: 43.53 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: 0.024 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: 0.022 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: 20.02 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: 01:14 min [INFO] Finished at: 2026-09-09T10:25:29Z [INFO] ------------------------------------------------------------------------