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=25.2.8 -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:2.22.0:set-property (default-cli) @ svg-visualizations --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.769 s [INFO] Finished at: 2026-09-20T10:20:09Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2.8 -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:2.22.0: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 -> 25.2.8 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1.762 s [INFO] Finished at: 2026-09-20T10:20:15Z [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: 2026-09-20T08:11:58.561580738Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 10:20:52.872 [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 | 4.27 ms | 3.27 ms | 4.28 ms 1,000 | 5.93 ms | 2.84 ms | 2.37 ms 10,000 | 18.63 ms | 3.72 ms | 14.10 ms 49,871 | 34.76 ms | 5.33 ms | 7.38 ms 97,643 | 59.99 ms | 9.42 ms | 21.18 ms 495,995 | 286.59 ms | 47.61 ms | 44.76 ms 944,282 | 486.61 ms | 122.51 ms | 150.05 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 | 455.2 µs | 1.48 ms | 1.94 ms 10,000 | 1.80 ms | 1.31 ms | 3.11 ms 50,000 | 12.75 ms | 1.68 ms | 14.43 ms 100,000 | 6.89 ms | 1.39 ms | 8.28 ms 500,000 | 49.04 ms | 2.11 ms | 51.15 ms 948,423 | 75.29 ms | 510.1 µs | 75.80 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 | 9.25 ms ( 0.8x) | 1.83 ms ( 3.0x) | 1.75 ms ( 1.9x) 2x | 19,996 | 14.89 ms ( 1.3x) | 1.64 ms ( 2.7x) | 1.22 ms ( 1.3x) 5x | 49,871 | 26.31 ms ( 2.3x) | 4.71 ms ( 7.8x) | 2.35 ms ( 2.5x) 10x | 97,643 | 58.89 ms ( 5.1x) | 5.26 ms ( 8.7x) | 7.71 ms ( 8.2x) 20x | 196,569 | 89.81 ms ( 7.7x) | 18.90 ms (31.2x) | 19.83 ms (21.1x) 50x | 495,995 | 247.41 ms (21.3x) | 41.09 ms (67.8x) | 77.55 ms (82.6x) 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 | 142.4 µs | 5 | 216.1 µs 10,000 | 5 | 1.82 ms | 5 | 2.25 ms 97,643 | 5 | 7.94 ms | 5 | 12.51 ms 495,995 | 5 | 58.46 ms | 5 | 57.83 ms 944,282 | 5 | 127.93 ms | 5 | 124.05 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 | 4.82 ms | 4.65 ms 2 | 11.98 ms | 22.47 ms 3 | 17.25 ms | 27.84 ms 5 | 31.42 ms | 47.76 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 4.27 ms (baseline: 1.44 ms, +197.0%) ⚠️ sparkline.movingAvg.100: 3.27 ms (baseline: 1.52 ms, +115.6%) sparkline.rdp.100: 4.28 ms (baseline: 4.02 ms, +6.5%) ✓ sparkline.none.1000: 5.93 ms (baseline: 7.23 ms, -18.0%) ✓ sparkline.movingAvg.1000: 2.84 ms (baseline: 3.35 ms, -15.3%) ⚠️ sparkline.rdp.1000: 2.37 ms (baseline: 1.87 ms, +27.0%) sparkline.none.10000: 18.63 ms (baseline: 18.90 ms, -1.4%) ✓ sparkline.movingAvg.10000: 3.72 ms (baseline: 7.30 ms, -49.1%) ✓ sparkline.rdp.10000: 14.10 ms (baseline: 19.57 ms, -27.9%) ✓ sparkline.none.50000: 34.76 ms (baseline: 57.13 ms, -39.2%) ⚠️ sparkline.movingAvg.50000: 5.33 ms (baseline: 2.95 ms, +80.8%) ✓ sparkline.rdp.50000: 7.38 ms (baseline: 51.12 ms, -85.6%) sparkline.none.100000: 59.99 ms (baseline: 58.41 ms, +2.7%) ✓ sparkline.movingAvg.100000: 9.42 ms (baseline: 12.00 ms, -21.5%) ✓ sparkline.rdp.100000: 21.18 ms (baseline: 30.86 ms, -31.4%) sparkline.none.500000: 286.59 ms (baseline: 297.83 ms, -3.8%) sparkline.movingAvg.500000: 47.61 ms (baseline: 51.45 ms, -7.5%) ✓ sparkline.rdp.500000: 44.76 ms (baseline: 99.50 ms, -55.0%) sparkline.none.948423: 486.61 ms (baseline: 464.77 ms, +4.7%) ✓ sparkline.movingAvg.948423: 122.51 ms (baseline: 139.77 ms, -12.3%) ⚠️ sparkline.rdp.948423: 150.05 ms (baseline: 78.94 ms, +90.1%) windrose.aggregation.1000: 455.2 µs (baseline: 481.9 µs, -5.5%) ✓ windrose.draw.1000: 1.48 ms (baseline: 2.95 ms, -49.8%) ✓ windrose.aggregation.10000: 1.80 ms (baseline: 7.22 ms, -75.1%) ✓ windrose.draw.10000: 1.31 ms (baseline: 1.50 ms, -12.8%) ✓ windrose.aggregation.50000: 12.75 ms (baseline: 23.14 ms, -44.9%) ⚠️ windrose.draw.50000: 1.68 ms (baseline: 548.9 µs, +206.0%) ✓ windrose.aggregation.100000: 6.89 ms (baseline: 9.38 ms, -26.5%) ⚠️ windrose.draw.100000: 1.39 ms (baseline: 1.05 ms, +32.7%) windrose.aggregation.500000: 49.04 ms (baseline: 48.53 ms, +1.0%) ⚠️ windrose.draw.500000: 2.11 ms (baseline: 1.69 ms, +25.0%) ✓ windrose.aggregation.948423: 75.29 ms (baseline: 96.96 ms, -22.4%) ✓ windrose.draw.948423: 510.1 µs (baseline: 2.51 ms, -79.7%) scaling.none.1x: 9.25 ms (baseline: 8.27 ms, +11.9%) ⚠️ scaling.movingAvg.1x: 1.83 ms (baseline: 1.49 ms, +22.9%) scaling.rdp.1x: 1.75 ms (baseline: 1.77 ms, -1.2%) ✓ scaling.none.2x: 14.89 ms (baseline: 20.75 ms, -28.2%) ✓ scaling.movingAvg.2x: 1.64 ms (baseline: 4.56 ms, -63.9%) ✓ scaling.rdp.2x: 1.22 ms (baseline: 2.67 ms, -54.2%) ⚠️ scaling.none.5x: 26.31 ms (baseline: 19.06 ms, +38.1%) ✓ scaling.movingAvg.5x: 4.71 ms (baseline: 6.57 ms, -28.4%) ✓ scaling.rdp.5x: 2.35 ms (baseline: 5.54 ms, -57.6%) scaling.none.10x: 58.89 ms (baseline: 60.98 ms, -3.4%) ✓ scaling.movingAvg.10x: 5.26 ms (baseline: 12.03 ms, -56.3%) ✓ scaling.rdp.10x: 7.71 ms (baseline: 10.16 ms, -24.1%) ✓ scaling.none.20x: 89.81 ms (baseline: 103.74 ms, -13.4%) scaling.movingAvg.20x: 18.90 ms (baseline: 16.35 ms, +15.6%) ⚠️ scaling.rdp.20x: 19.83 ms (baseline: 10.15 ms, +95.3%) scaling.none.50x: 247.41 ms (baseline: 236.49 ms, +4.6%) ✓ scaling.movingAvg.50x: 41.09 ms (baseline: 46.35 ms, -11.4%) ✓ scaling.rdp.50x: 77.55 ms (baseline: 86.66 ms, -10.5%) ✓ multiseries.movingAvg.1series: 4.82 ms (baseline: 8.09 ms, -40.4%) multiseries.rdp.1series: 4.65 ms (baseline: 4.17 ms, +11.3%) multiseries.movingAvg.2series: 11.98 ms (baseline: 10.70 ms, +11.9%) ⚠️ multiseries.rdp.2series: 22.47 ms (baseline: 13.80 ms, +62.9%) ✓ multiseries.movingAvg.3series: 17.25 ms (baseline: 29.78 ms, -42.1%) ✓ multiseries.rdp.3series: 27.84 ms (baseline: 33.52 ms, -16.9%) multiseries.movingAvg.5series: 31.42 ms (baseline: 26.51 ms, +18.5%) multiseries.rdp.5series: 47.76 ms (baseline: 46.25 ms, +3.3%) 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: 43.39 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: 0.019 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: 0.064 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: 22.37 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: 2026-09-20T10:21:42Z [INFO] ------------------------------------------------------------------------