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: 2.923 s [INFO] Finished at: 2026-09-22T17:39:48Z [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: 2.478 s [INFO] Finished at: 2026-09-22T17:39:54Z [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: 2026-09-22T13:55:50.489369539Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 17:40:34.622 [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 | 3.09 ms | 3.75 ms | 2.03 ms 1,000 | 9.76 ms | 2.39 ms | 3.13 ms 10,000 | 26.68 ms | 4.59 ms | 8.56 ms 49,871 | 28.05 ms | 7.43 ms | 9.44 ms 97,643 | 83.02 ms | 8.35 ms | 14.80 ms 495,995 | 234.57 ms | 47.75 ms | 71.73 ms 944,282 | 459.22 ms | 139.47 ms | 75.24 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 | 611.3 µs | 2.44 ms | 3.05 ms 10,000 | 7.93 ms | 1.86 ms | 9.79 ms 50,000 | 18.41 ms | 2.26 ms | 20.67 ms 100,000 | 16.09 ms | 1.84 ms | 17.93 ms 500,000 | 85.92 ms | 1.54 ms | 87.45 ms 948,423 | 145.19 ms | 2.26 ms | 147.45 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 | 4.12 ms ( 0.3x) | 741.1 µs ( 0.8x) | 2.59 ms ( 3.0x) 2x | 19,996 | 8.61 ms ( 0.6x) | 3.90 ms ( 4.1x) | 2.38 ms ( 2.8x) 5x | 49,871 | 28.53 ms ( 2.1x) | 4.87 ms ( 5.2x) | 5.19 ms ( 6.1x) 10x | 97,643 | 53.84 ms ( 3.9x) | 6.21 ms ( 6.6x) | 4.64 ms ( 5.4x) 20x | 196,569 | 126.91 ms ( 9.3x) | 18.49 ms (19.7x) | 26.53 ms (31.0x) 50x | 495,995 | 248.19 ms (18.2x) | 37.25 ms (39.6x) | 57.72 ms (67.5x) 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 | 199.5 µs | 5 | 449.7 µs 10,000 | 5 | 935.7 µs | 5 | 899.5 µs 97,643 | 5 | 7.58 ms | 5 | 6.43 ms 495,995 | 5 | 59.23 ms | 5 | 61.29 ms 944,282 | 5 | 144.30 ms | 5 | 102.93 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 | 4.67 ms | 4.40 ms 2 | 14.30 ms | 13.75 ms 3 | 15.12 ms | 20.88 ms 5 | 23.13 ms | 53.81 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 3.09 ms (baseline: 2.80 ms, +10.3%) ✓ sparkline.movingAvg.100: 3.75 ms (baseline: 4.78 ms, -21.5%) ✓ sparkline.rdp.100: 2.03 ms (baseline: 3.51 ms, -42.3%) ⚠️ sparkline.none.1000: 9.76 ms (baseline: 5.22 ms, +86.8%) ✓ sparkline.movingAvg.1000: 2.39 ms (baseline: 4.43 ms, -46.0%) ⚠️ sparkline.rdp.1000: 3.13 ms (baseline: 2.54 ms, +22.8%) sparkline.none.10000: 26.68 ms (baseline: 22.43 ms, +19.0%) ✓ sparkline.movingAvg.10000: 4.59 ms (baseline: 6.13 ms, -25.1%) ✓ sparkline.rdp.10000: 8.56 ms (baseline: 19.19 ms, -55.4%) sparkline.none.50000: 28.05 ms (baseline: 25.34 ms, +10.7%) ⚠️ sparkline.movingAvg.50000: 7.43 ms (baseline: 4.86 ms, +52.9%) ✓ sparkline.rdp.50000: 9.44 ms (baseline: 12.19 ms, -22.5%) sparkline.none.100000: 83.02 ms (baseline: 72.15 ms, +15.1%) sparkline.movingAvg.100000: 8.35 ms (baseline: 7.27 ms, +14.7%) ✓ sparkline.rdp.100000: 14.80 ms (baseline: 18.19 ms, -18.6%) ✓ sparkline.none.500000: 234.57 ms (baseline: 297.97 ms, -21.3%) ⚠️ sparkline.movingAvg.500000: 47.75 ms (baseline: 36.82 ms, +29.7%) ✓ sparkline.rdp.500000: 71.73 ms (baseline: 91.46 ms, -21.6%) ✓ sparkline.none.948423: 459.22 ms (baseline: 529.53 ms, -13.3%) sparkline.movingAvg.948423: 139.47 ms (baseline: 119.12 ms, +17.1%) ✓ sparkline.rdp.948423: 75.24 ms (baseline: 121.53 ms, -38.1%) ⚠️ windrose.aggregation.1000: 611.3 µs (baseline: 434.4 µs, +40.7%) ✓ windrose.draw.1000: 2.44 ms (baseline: 3.92 ms, -37.7%) windrose.aggregation.10000: 7.93 ms (baseline: 7.67 ms, +3.3%) ✓ windrose.draw.10000: 1.86 ms (baseline: 2.18 ms, -14.4%) windrose.aggregation.50000: 18.41 ms (baseline: 16.93 ms, +8.7%) windrose.draw.50000: 2.26 ms (baseline: 1.99 ms, +14.0%) ⚠️ windrose.aggregation.100000: 16.09 ms (baseline: 5.87 ms, +173.9%) ⚠️ windrose.draw.100000: 1.84 ms (baseline: 1.32 ms, +39.7%) ⚠️ windrose.aggregation.500000: 85.92 ms (baseline: 35.67 ms, +140.9%) ⚠️ windrose.draw.500000: 1.54 ms (baseline: 836.8 µs, +83.6%) ⚠️ windrose.aggregation.948423: 145.19 ms (baseline: 46.39 ms, +213.0%) ⚠️ windrose.draw.948423: 2.26 ms (baseline: 607.5 µs, +271.7%) ✓ scaling.none.1x: 4.12 ms (baseline: 4.96 ms, -16.9%) scaling.movingAvg.1x: 741.1 µs (baseline: 646.8 µs, +14.6%) ⚠️ scaling.rdp.1x: 2.59 ms (baseline: 647.2 µs, +300.4%) scaling.none.2x: 8.61 ms (baseline: 8.59 ms, +0.3%) ⚠️ scaling.movingAvg.2x: 3.90 ms (baseline: 2.65 ms, +46.9%) ✓ scaling.rdp.2x: 2.38 ms (baseline: 7.71 ms, -69.1%) ✓ scaling.none.5x: 28.53 ms (baseline: 31.93 ms, -10.7%) ✓ scaling.movingAvg.5x: 4.87 ms (baseline: 10.71 ms, -54.5%) ✓ scaling.rdp.5x: 5.19 ms (baseline: 6.06 ms, -14.3%) scaling.none.10x: 53.84 ms (baseline: 52.83 ms, +1.9%) scaling.movingAvg.10x: 6.21 ms (baseline: 5.66 ms, +9.8%) ✓ scaling.rdp.10x: 4.64 ms (baseline: 11.90 ms, -61.0%) ⚠️ scaling.none.20x: 126.91 ms (baseline: 98.66 ms, +28.6%) ✓ scaling.movingAvg.20x: 18.49 ms (baseline: 23.18 ms, -20.2%) ⚠️ scaling.rdp.20x: 26.53 ms (baseline: 10.36 ms, +156.1%) ✓ scaling.none.50x: 248.19 ms (baseline: 345.82 ms, -28.2%) ✓ scaling.movingAvg.50x: 37.25 ms (baseline: 67.29 ms, -44.6%) ✓ scaling.rdp.50x: 57.72 ms (baseline: 98.13 ms, -41.2%) ✓ multiseries.movingAvg.1series: 4.67 ms (baseline: 18.74 ms, -75.1%) ✓ multiseries.rdp.1series: 4.40 ms (baseline: 10.56 ms, -58.3%) ⚠️ multiseries.movingAvg.2series: 14.30 ms (baseline: 9.17 ms, +55.9%) multiseries.rdp.2series: 13.75 ms (baseline: 13.83 ms, -0.6%) multiseries.movingAvg.3series: 15.12 ms (baseline: 14.52 ms, +4.1%) multiseries.rdp.3series: 20.88 ms (baseline: 18.37 ms, +13.6%) multiseries.movingAvg.5series: 23.13 ms (baseline: 20.67 ms, +11.9%) multiseries.rdp.5series: 53.81 ms (baseline: 52.59 ms, +2.3%) 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: 43.31 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: 0.010 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: 20.50 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: 2026-09-22T17:41:21Z [INFO] ------------------------------------------------------------------------