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-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:1.1.1-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:2.22.0:set-property (default-cli) @ svg-visualizations --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.763 s [INFO] Finished at: 2026-09-23T00:13:40Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2-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:1.1.1-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:2.22.0: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:1.1.1-SNAPSHOT -> 25.2-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.227 s [INFO] Finished at: 2026-09-23T00:13:46Z [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:1.1.1-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: 2026-09-22T23:31:38.115309450Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 00:14:27.227 [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 | 8.29 ms | 8.45 ms | 7.47 ms 1,000 | 6.12 ms | 9.96 ms | 3.23 ms 10,000 | 23.93 ms | 2.62 ms | 16.67 ms 49,871 | 22.72 ms | 2.99 ms | 58.85 ms 97,643 | 85.76 ms | 10.48 ms | 9.32 ms 495,995 | 287.19 ms | 43.46 ms | 51.28 ms 944,282 | 452.48 ms | 132.94 ms | 76.96 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 | 497.2 µs | 815.1 µs | 1.31 ms 10,000 | 2.57 ms | 1.04 ms | 3.61 ms 50,000 | 10.65 ms | 830.1 µs | 11.48 ms 100,000 | 14.83 ms | 1.27 ms | 16.10 ms 500,000 | 46.09 ms | 1.44 ms | 47.54 ms 948,423 | 46.46 ms | 640.0 µs | 47.10 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 | 21.97 ms ( 2.8x) | 3.59 ms ( 3.9x) | 2.02 ms ( 1.0x) 2x | 19,996 | 11.28 ms ( 1.4x) | 1.64 ms ( 1.8x) | 1.01 ms ( 0.5x) 5x | 49,871 | 18.73 ms ( 2.4x) | 2.75 ms ( 3.0x) | 2.21 ms ( 1.0x) 10x | 97,643 | 40.08 ms ( 5.1x) | 5.19 ms ( 5.6x) | 4.29 ms ( 2.0x) 20x | 196,569 | 159.57 ms (20.2x) | 16.70 ms (18.2x) | 16.59 ms ( 7.9x) 50x | 495,995 | 263.63 ms (33.3x) | 47.51 ms (51.7x) | 33.96 ms (16.1x) 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 | 142.6 µs | 5 | 203.6 µs 10,000 | 5 | 796.6 µs | 5 | 583.7 µs 97,643 | 5 | 10.56 ms | 5 | 4.42 ms 495,995 | 5 | 57.03 ms | 5 | 29.27 ms 944,282 | 5 | 123.98 ms | 5 | 81.69 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 | 4.99 ms | 4.23 ms 2 | 11.68 ms | 11.51 ms 3 | 20.85 ms | 27.21 ms 5 | 38.54 ms | 54.01 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 8.29 ms (baseline: 3.57 ms, +132.1%) ⚠️ sparkline.movingAvg.100: 8.45 ms (baseline: 3.12 ms, +171.2%) ⚠️ sparkline.rdp.100: 7.47 ms (baseline: 2.79 ms, +167.9%) ⚠️ sparkline.none.1000: 6.12 ms (baseline: 4.66 ms, +31.3%) ⚠️ sparkline.movingAvg.1000: 9.96 ms (baseline: 2.10 ms, +374.0%) sparkline.rdp.1000: 3.23 ms (baseline: 3.57 ms, -9.4%) ✓ sparkline.none.10000: 23.93 ms (baseline: 28.62 ms, -16.4%) ✓ sparkline.movingAvg.10000: 2.62 ms (baseline: 10.89 ms, -75.9%) ✓ sparkline.rdp.10000: 16.67 ms (baseline: 18.55 ms, -10.1%) ✓ sparkline.none.50000: 22.72 ms (baseline: 46.30 ms, -50.9%) ✓ sparkline.movingAvg.50000: 2.99 ms (baseline: 7.16 ms, -58.3%) ⚠️ sparkline.rdp.50000: 58.85 ms (baseline: 5.20 ms, +1031.3%) ✓ sparkline.none.100000: 85.76 ms (baseline: 97.33 ms, -11.9%) ⚠️ sparkline.movingAvg.100000: 10.48 ms (baseline: 8.28 ms, +26.5%) ✓ sparkline.rdp.100000: 9.32 ms (baseline: 13.01 ms, -28.4%) sparkline.none.500000: 287.19 ms (baseline: 248.90 ms, +15.4%) sparkline.movingAvg.500000: 43.46 ms (baseline: 45.61 ms, -4.7%) sparkline.rdp.500000: 51.28 ms (baseline: 43.71 ms, +17.3%) sparkline.none.948423: 452.48 ms (baseline: 461.57 ms, -2.0%) ✓ sparkline.movingAvg.948423: 132.94 ms (baseline: 155.79 ms, -14.7%) ✓ sparkline.rdp.948423: 76.96 ms (baseline: 89.21 ms, -13.7%) windrose.aggregation.1000: 497.2 µs (baseline: 468.2 µs, +6.2%) windrose.draw.1000: 815.1 µs (baseline: 849.4 µs, -4.0%) ⚠️ windrose.aggregation.10000: 2.57 ms (baseline: 1.68 ms, +53.3%) ⚠️ windrose.draw.10000: 1.04 ms (baseline: 754.5 µs, +37.6%) windrose.aggregation.50000: 10.65 ms (baseline: 9.81 ms, +8.5%) windrose.draw.50000: 830.1 µs (baseline: 778.5 µs, +6.6%) ✓ windrose.aggregation.100000: 14.83 ms (baseline: 17.43 ms, -15.0%) ✓ windrose.draw.100000: 1.27 ms (baseline: 1.92 ms, -33.9%) ⚠️ windrose.aggregation.500000: 46.09 ms (baseline: 32.90 ms, +40.1%) ⚠️ windrose.draw.500000: 1.44 ms (baseline: 888.3 µs, +62.3%) windrose.aggregation.948423: 46.46 ms (baseline: 50.02 ms, -7.1%) windrose.draw.948423: 640.0 µs (baseline: 629.2 µs, +1.7%) ⚠️ scaling.none.1x: 21.97 ms (baseline: 8.72 ms, +151.8%) ⚠️ scaling.movingAvg.1x: 3.59 ms (baseline: 2.51 ms, +42.8%) scaling.rdp.1x: 2.02 ms (baseline: 1.96 ms, +3.2%) scaling.none.2x: 11.28 ms (baseline: 10.33 ms, +9.2%) ⚠️ scaling.movingAvg.2x: 1.64 ms (baseline: 1.12 ms, +47.3%) scaling.rdp.2x: 1.01 ms (baseline: 1.02 ms, -1.9%) ✓ scaling.none.5x: 18.73 ms (baseline: 30.81 ms, -39.2%) ✓ scaling.movingAvg.5x: 2.75 ms (baseline: 13.52 ms, -79.7%) ✓ scaling.rdp.5x: 2.21 ms (baseline: 9.56 ms, -76.9%) scaling.none.10x: 40.08 ms (baseline: 39.68 ms, +1.0%) scaling.movingAvg.10x: 5.19 ms (baseline: 4.97 ms, +4.4%) ✓ scaling.rdp.10x: 4.29 ms (baseline: 6.10 ms, -29.8%) ⚠️ scaling.none.20x: 159.57 ms (baseline: 86.18 ms, +85.1%) scaling.movingAvg.20x: 16.70 ms (baseline: 15.12 ms, +10.5%) ✓ scaling.rdp.20x: 16.59 ms (baseline: 18.71 ms, -11.3%) ✓ scaling.none.50x: 263.63 ms (baseline: 335.13 ms, -21.3%) ⚠️ scaling.movingAvg.50x: 47.51 ms (baseline: 34.79 ms, +36.6%) ✓ scaling.rdp.50x: 33.96 ms (baseline: 87.43 ms, -61.2%) ✓ multiseries.movingAvg.1series: 4.99 ms (baseline: 9.31 ms, -46.4%) ✓ multiseries.rdp.1series: 4.23 ms (baseline: 6.89 ms, -38.7%) ✓ multiseries.movingAvg.2series: 11.68 ms (baseline: 14.80 ms, -21.1%) ✓ multiseries.rdp.2series: 11.51 ms (baseline: 12.88 ms, -10.7%) ⚠️ multiseries.movingAvg.3series: 20.85 ms (baseline: 13.46 ms, +54.9%) multiseries.rdp.3series: 27.21 ms (baseline: 25.53 ms, +6.6%) ⚠️ multiseries.movingAvg.5series: 38.54 ms (baseline: 31.80 ms, +21.2%) ⚠️ multiseries.rdp.5series: 54.01 ms (baseline: 44.41 ms, +21.6%) 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: 43.80 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: 0.028 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: 0.014 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: 19.68 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: 2026-09-23T00:15:13Z [INFO] ------------------------------------------------------------------------