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: 2.679 s [INFO] Finished at: 2026-09-22T12:43:31Z [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: 2.551 s [INFO] Finished at: 2026-09-22T12:43:37Z [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: 2026-09-22T12:27:51.481192459Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 12:44:18.831 [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 | 5.05 ms | 5.69 ms | 4.28 ms 1,000 | 5.57 ms | 7.70 ms | 4.80 ms 10,000 | 15.68 ms | 5.03 ms | 8.47 ms 49,871 | 34.00 ms | 3.98 ms | 20.37 ms 97,643 | 80.27 ms | 7.22 ms | 9.04 ms 495,995 | 283.39 ms | 59.60 ms | 68.03 ms 944,282 | 587.13 ms | 148.13 ms | 112.86 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 | 458.6 µs | 1.70 ms | 2.15 ms 10,000 | 3.74 ms | 1.10 ms | 4.83 ms 50,000 | 12.72 ms | 903.5 µs | 13.62 ms 100,000 | 4.43 ms | 1.19 ms | 5.62 ms 500,000 | 54.81 ms | 1.57 ms | 56.38 ms 948,423 | 113.23 ms | 1.12 ms | 114.35 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 | 5.09 ms ( 0.5x) | 860.9 µs ( 1.3x) | 664.2 µs ( 0.8x) 2x | 19,996 | 8.73 ms ( 0.8x) | 2.00 ms ( 3.0x) | 1.13 ms ( 1.4x) 5x | 49,871 | 17.39 ms ( 1.6x) | 3.54 ms ( 5.3x) | 2.48 ms ( 3.2x) 10x | 97,643 | 44.73 ms ( 4.1x) | 7.21 ms (10.9x) | 8.38 ms (10.7x) 20x | 196,569 | 112.14 ms (10.3x) | 15.23 ms (23.0x) | 27.67 ms (35.4x) 50x | 495,995 | 247.48 ms (22.8x) | 60.93 ms (92.1x) | 33.81 ms (43.2x) 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 | 204.1 µs | 5 | 191.4 µs 10,000 | 5 | 710.9 µs | 5 | 668.7 µs 97,643 | 5 | 5.54 ms | 5 | 6.35 ms 495,995 | 5 | 67.39 ms | 5 | 31.49 ms 944,282 | 5 | 112.34 ms | 5 | 92.04 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 | 4.68 ms | 4.06 ms 2 | 11.19 ms | 11.74 ms 3 | 14.03 ms | 28.62 ms 5 | 41.66 ms | 50.29 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 5.05 ms (baseline: 3.78 ms, +33.8%) ⚠️ sparkline.movingAvg.100: 5.69 ms (baseline: 4.49 ms, +26.8%) ⚠️ sparkline.rdp.100: 4.28 ms (baseline: 2.42 ms, +77.0%) ✓ sparkline.none.1000: 5.57 ms (baseline: 6.51 ms, -14.4%) sparkline.movingAvg.1000: 7.70 ms (baseline: 7.58 ms, +1.5%) sparkline.rdp.1000: 4.80 ms (baseline: 4.95 ms, -3.1%) ✓ sparkline.none.10000: 15.68 ms (baseline: 19.44 ms, -19.3%) ⚠️ sparkline.movingAvg.10000: 5.03 ms (baseline: 1.13 ms, +344.5%) ✓ sparkline.rdp.10000: 8.47 ms (baseline: 32.80 ms, -74.2%) ⚠️ sparkline.none.50000: 34.00 ms (baseline: 22.62 ms, +50.3%) ✓ sparkline.movingAvg.50000: 3.98 ms (baseline: 6.62 ms, -39.8%) ⚠️ sparkline.rdp.50000: 20.37 ms (baseline: 7.04 ms, +189.4%) ⚠️ sparkline.none.100000: 80.27 ms (baseline: 44.75 ms, +79.4%) ✓ sparkline.movingAvg.100000: 7.22 ms (baseline: 9.88 ms, -26.9%) ✓ sparkline.rdp.100000: 9.04 ms (baseline: 10.36 ms, -12.8%) sparkline.none.500000: 283.39 ms (baseline: 292.86 ms, -3.2%) sparkline.movingAvg.500000: 59.60 ms (baseline: 53.41 ms, +11.6%) ⚠️ sparkline.rdp.500000: 68.03 ms (baseline: 53.91 ms, +26.2%) ⚠️ sparkline.none.948423: 587.13 ms (baseline: 429.55 ms, +36.7%) sparkline.movingAvg.948423: 148.13 ms (baseline: 143.09 ms, +3.5%) ⚠️ sparkline.rdp.948423: 112.86 ms (baseline: 66.53 ms, +69.6%) ✓ windrose.aggregation.1000: 458.6 µs (baseline: 3.56 ms, -87.1%) ⚠️ windrose.draw.1000: 1.70 ms (baseline: 1.22 ms, +39.5%) ⚠️ windrose.aggregation.10000: 3.74 ms (baseline: 1.71 ms, +118.0%) ⚠️ windrose.draw.10000: 1.10 ms (baseline: 650.4 µs, +68.5%) ⚠️ windrose.aggregation.50000: 12.72 ms (baseline: 9.08 ms, +40.1%) ✓ windrose.draw.50000: 903.5 µs (baseline: 1.44 ms, -37.5%) ✓ windrose.aggregation.100000: 4.43 ms (baseline: 5.04 ms, -12.2%) ⚠️ windrose.draw.100000: 1.19 ms (baseline: 629.4 µs, +89.7%) ⚠️ windrose.aggregation.500000: 54.81 ms (baseline: 20.26 ms, +170.6%) ⚠️ windrose.draw.500000: 1.57 ms (baseline: 606.4 µs, +158.9%) ⚠️ windrose.aggregation.948423: 113.23 ms (baseline: 37.33 ms, +203.3%) ⚠️ windrose.draw.948423: 1.12 ms (baseline: 468.8 µs, +138.3%) ✓ scaling.none.1x: 5.09 ms (baseline: 6.90 ms, -26.2%) ✓ scaling.movingAvg.1x: 860.9 µs (baseline: 3.49 ms, -75.3%) ✓ scaling.rdp.1x: 664.2 µs (baseline: 2.15 ms, -69.2%) ✓ scaling.none.2x: 8.73 ms (baseline: 15.83 ms, -44.8%) ⚠️ scaling.movingAvg.2x: 2.00 ms (baseline: 1.05 ms, +90.3%) ✓ scaling.rdp.2x: 1.13 ms (baseline: 3.03 ms, -62.7%) ✓ scaling.none.5x: 17.39 ms (baseline: 21.19 ms, -17.9%) ✓ scaling.movingAvg.5x: 3.54 ms (baseline: 8.68 ms, -59.3%) scaling.rdp.5x: 2.48 ms (baseline: 2.62 ms, -5.1%) scaling.none.10x: 44.73 ms (baseline: 43.45 ms, +3.0%) ⚠️ scaling.movingAvg.10x: 7.21 ms (baseline: 4.79 ms, +50.4%) ⚠️ scaling.rdp.10x: 8.38 ms (baseline: 5.13 ms, +63.4%) ⚠️ scaling.none.20x: 112.14 ms (baseline: 68.79 ms, +63.0%) scaling.movingAvg.20x: 15.23 ms (baseline: 16.38 ms, -7.0%) ⚠️ scaling.rdp.20x: 27.67 ms (baseline: 15.94 ms, +73.6%) ✓ scaling.none.50x: 247.48 ms (baseline: 368.53 ms, -32.8%) ⚠️ scaling.movingAvg.50x: 60.93 ms (baseline: 41.18 ms, +47.9%) ✓ scaling.rdp.50x: 33.81 ms (baseline: 39.56 ms, -14.5%) ✓ multiseries.movingAvg.1series: 4.68 ms (baseline: 10.64 ms, -56.1%) ✓ multiseries.rdp.1series: 4.06 ms (baseline: 9.58 ms, -57.6%) ✓ multiseries.movingAvg.2series: 11.19 ms (baseline: 16.00 ms, -30.0%) ✓ multiseries.rdp.2series: 11.74 ms (baseline: 19.09 ms, -38.5%) ✓ multiseries.movingAvg.3series: 14.03 ms (baseline: 22.54 ms, -37.7%) ✓ multiseries.rdp.3series: 28.62 ms (baseline: 48.61 ms, -41.1%) multiseries.movingAvg.5series: 41.66 ms (baseline: 40.43 ms, +3.1%) multiseries.rdp.5series: 50.29 ms (baseline: 46.85 ms, +7.3%) 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: 44.05 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: 0.083 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: 0.066 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: 20.59 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: 2026-09-22T12:45:06Z [INFO] ------------------------------------------------------------------------