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=25.3.0-beta2 -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:2.21.0:set-property (default-cli) @ svg-visualizations --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.399 s [INFO] Finished at: 2026-09-10T12:11:37Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.3.0-beta2 -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:2.21.0: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 -> 25.3.0-beta2 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.180 s [INFO] Finished at: 2026-09-10T12:11:42Z [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: 2026-09-10T10:18:48.295962526Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 12:12:18.418 [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 | 3.93 ms | 2.58 ms | 918.6 µs 1,000 | 2.59 ms | 1.42 ms | 2.69 ms 10,000 | 25.54 ms | 2.39 ms | 4.21 ms 49,871 | 21.06 ms | 4.08 ms | 26.46 ms 97,643 | 37.02 ms | 12.02 ms | 25.39 ms 495,995 | 178.09 ms | 47.90 ms | 41.09 ms 944,282 | 372.33 ms | 114.34 ms | 86.67 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 | 463.8 µs | 1.73 ms | 2.20 ms 10,000 | 4.65 ms | 1.91 ms | 6.56 ms 50,000 | 16.10 ms | 2.10 ms | 18.21 ms 100,000 | 4.62 ms | 1.17 ms | 5.80 ms 500,000 | 22.71 ms | 931.3 µs | 23.64 ms 948,423 | 56.73 ms | 1.69 ms | 58.42 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 | 6.69 ms ( 0.8x) | 1.26 ms ( 1.3x) | 1.14 ms ( 0.7x) 2x | 19,996 | 8.86 ms ( 1.1x) | 2.13 ms ( 2.2x) | 1.79 ms ( 1.0x) 5x | 49,871 | 22.34 ms ( 2.8x) | 2.37 ms ( 2.5x) | 4.33 ms ( 2.5x) 10x | 97,643 | 35.40 ms ( 4.4x) | 5.60 ms ( 5.9x) | 4.65 ms ( 2.7x) 20x | 196,569 | 75.25 ms ( 9.5x) | 10.15 ms (10.7x) | 10.23 ms ( 5.8x) 50x | 495,995 | 270.56 ms (34.0x) | 33.04 ms (34.9x) | 49.60 ms (28.4x) 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 | 169.3 µs | 5 | 261.5 µs 10,000 | 5 | 637.3 µs | 5 | 1.51 ms 97,643 | 5 | 4.46 ms | 5 | 4.82 ms 495,995 | 5 | 47.89 ms | 5 | 25.84 ms 944,282 | 5 | 89.68 ms | 5 | 58.24 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 | 4.70 ms | 4.80 ms 2 | 9.40 ms | 12.77 ms 3 | 13.51 ms | 21.47 ms 5 | 26.40 ms | 35.70 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.93 ms (baseline: 1.77 ms, +122.2%) ✓ sparkline.movingAvg.100: 2.58 ms (baseline: 11.94 ms, -78.4%) ✓ sparkline.rdp.100: 918.6 µs (baseline: 1.42 ms, -35.3%) ✓ sparkline.none.1000: 2.59 ms (baseline: 5.03 ms, -48.4%) ✓ sparkline.movingAvg.1000: 1.42 ms (baseline: 5.03 ms, -71.9%) ✓ sparkline.rdp.1000: 2.69 ms (baseline: 3.70 ms, -27.2%) ⚠️ sparkline.none.10000: 25.54 ms (baseline: 18.91 ms, +35.1%) ✓ sparkline.movingAvg.10000: 2.39 ms (baseline: 3.27 ms, -27.0%) ✓ sparkline.rdp.10000: 4.21 ms (baseline: 6.32 ms, -33.3%) ✓ sparkline.none.50000: 21.06 ms (baseline: 25.54 ms, -17.5%) sparkline.movingAvg.50000: 4.08 ms (baseline: 3.60 ms, +13.4%) ✓ sparkline.rdp.50000: 26.46 ms (baseline: 54.83 ms, -51.7%) ✓ sparkline.none.100000: 37.02 ms (baseline: 48.51 ms, -23.7%) ⚠️ sparkline.movingAvg.100000: 12.02 ms (baseline: 5.06 ms, +137.4%) sparkline.rdp.100000: 25.39 ms (baseline: 24.47 ms, +3.8%) ✓ sparkline.none.500000: 178.09 ms (baseline: 254.32 ms, -30.0%) ✓ sparkline.movingAvg.500000: 47.90 ms (baseline: 65.13 ms, -26.5%) ✓ sparkline.rdp.500000: 41.09 ms (baseline: 64.70 ms, -36.5%) ✓ sparkline.none.948423: 372.33 ms (baseline: 490.99 ms, -24.2%) sparkline.movingAvg.948423: 114.34 ms (baseline: 123.65 ms, -7.5%) ✓ sparkline.rdp.948423: 86.67 ms (baseline: 101.20 ms, -14.4%) windrose.aggregation.1000: 463.8 µs (baseline: 454.4 µs, +2.1%) ✓ windrose.draw.1000: 1.73 ms (baseline: 2.75 ms, -37.1%) ✓ windrose.aggregation.10000: 4.65 ms (baseline: 7.23 ms, -35.7%) windrose.draw.10000: 1.91 ms (baseline: 1.99 ms, -3.7%) ✓ windrose.aggregation.50000: 16.10 ms (baseline: 24.53 ms, -34.3%) ⚠️ windrose.draw.50000: 2.10 ms (baseline: 1.37 ms, +53.4%) ✓ windrose.aggregation.100000: 4.62 ms (baseline: 9.84 ms, -53.0%) ✓ windrose.draw.100000: 1.17 ms (baseline: 2.52 ms, -53.4%) ✓ windrose.aggregation.500000: 22.71 ms (baseline: 59.98 ms, -62.1%) ⚠️ windrose.draw.500000: 931.3 µs (baseline: 545.4 µs, +70.8%) ✓ windrose.aggregation.948423: 56.73 ms (baseline: 103.95 ms, -45.4%) ✓ windrose.draw.948423: 1.69 ms (baseline: 2.15 ms, -21.2%) ⚠️ scaling.none.1x: 6.69 ms (baseline: 3.86 ms, +73.0%) ✓ scaling.movingAvg.1x: 1.26 ms (baseline: 2.20 ms, -42.5%) ⚠️ scaling.rdp.1x: 1.14 ms (baseline: 724.3 µs, +57.7%) ✓ scaling.none.2x: 8.86 ms (baseline: 10.62 ms, -16.5%) ⚠️ scaling.movingAvg.2x: 2.13 ms (baseline: 1.07 ms, +98.6%) ✓ scaling.rdp.2x: 1.79 ms (baseline: 4.20 ms, -57.3%) scaling.none.5x: 22.34 ms (baseline: 23.93 ms, -6.6%) ✓ scaling.movingAvg.5x: 2.37 ms (baseline: 3.91 ms, -39.3%) ✓ scaling.rdp.5x: 4.33 ms (baseline: 6.00 ms, -27.9%) ✓ scaling.none.10x: 35.40 ms (baseline: 52.26 ms, -32.3%) scaling.movingAvg.10x: 5.60 ms (baseline: 4.74 ms, +18.1%) ✓ scaling.rdp.10x: 4.65 ms (baseline: 7.96 ms, -41.6%) ✓ scaling.none.20x: 75.25 ms (baseline: 102.95 ms, -26.9%) scaling.movingAvg.20x: 10.15 ms (baseline: 9.57 ms, +6.0%) ✓ scaling.rdp.20x: 10.23 ms (baseline: 12.39 ms, -17.5%) ✓ scaling.none.50x: 270.56 ms (baseline: 300.64 ms, -10.0%) ✓ scaling.movingAvg.50x: 33.04 ms (baseline: 57.23 ms, -42.3%) ⚠️ scaling.rdp.50x: 49.60 ms (baseline: 35.28 ms, +40.6%) ✓ multiseries.movingAvg.1series: 4.70 ms (baseline: 11.76 ms, -60.1%) ✓ multiseries.rdp.1series: 4.80 ms (baseline: 10.71 ms, -55.1%) ✓ multiseries.movingAvg.2series: 9.40 ms (baseline: 29.28 ms, -67.9%) ✓ multiseries.rdp.2series: 12.77 ms (baseline: 21.32 ms, -40.1%) ✓ multiseries.movingAvg.3series: 13.51 ms (baseline: 24.12 ms, -44.0%) ✓ multiseries.rdp.3series: 21.47 ms (baseline: 52.52 ms, -59.1%) multiseries.movingAvg.5series: 26.40 ms (baseline: 28.95 ms, -8.8%) ✓ multiseries.rdp.5series: 35.70 ms (baseline: 48.37 ms, -26.2%) 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: 40.50 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: 0.016 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: 14.27 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: 01:05 min [INFO] Finished at: 2026-09-10T12:12:58Z [INFO] ------------------------------------------------------------------------