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=25.2.7 -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: 2.850 s [INFO] Finished at: 2026-09-13T10:50:57Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2.7 -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 -> 25.2.7 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.025 s [INFO] Finished at: 2026-09-13T10:51:03Z [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: 2026-09-13T07:53:34.072286130Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 10:51:42.258 [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 | 6.61 ms | 6.13 ms | 5.79 ms 1,000 | 6.85 ms | 6.34 ms | 3.03 ms 10,000 | 24.41 ms | 6.78 ms | 4.82 ms 49,871 | 35.21 ms | 3.92 ms | 86.06 ms 97,643 | 63.81 ms | 4.99 ms | 13.33 ms 495,995 | 283.89 ms | 74.32 ms | 50.09 ms 944,282 | 526.06 ms | 144.51 ms | 143.18 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 | 469.6 µs | 811.7 µs | 1.28 ms 10,000 | 2.04 ms | 1.28 ms | 3.32 ms 50,000 | 17.99 ms | 1.17 ms | 19.16 ms 100,000 | 7.06 ms | 2.05 ms | 9.11 ms 500,000 | 46.02 ms | 720.9 µs | 46.74 ms 948,423 | 37.26 ms | 1.60 ms | 38.86 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 | 4.20 ms ( 0.3x) | 2.32 ms ( 2.3x) | 1.35 ms ( 0.4x) 2x | 19,996 | 13.09 ms ( 1.1x) | 1.44 ms ( 1.4x) | 2.92 ms ( 1.0x) 5x | 49,871 | 40.60 ms ( 3.4x) | 4.22 ms ( 4.1x) | 17.75 ms ( 5.8x) 10x | 97,643 | 66.98 ms ( 5.6x) | 7.40 ms ( 7.2x) | 8.70 ms ( 2.8x) 20x | 196,569 | 137.92 ms (11.5x) | 18.04 ms (17.5x) | 39.19 ms (12.8x) 50x | 495,995 | 282.15 ms (23.4x) | 48.80 ms (47.4x) | 25.06 ms ( 8.2x) 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 | 194.3 µs | 5 | 314.1 µs 10,000 | 5 | 1.15 ms | 5 | 689.9 µs 97,643 | 5 | 18.48 ms | 5 | 79.63 ms 495,995 | 5 | 52.65 ms | 5 | 51.12 ms 944,282 | 5 | 137.03 ms | 5 | 103.85 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 | 5.51 ms | 8.08 ms 2 | 16.17 ms | 35.02 ms 3 | 15.71 ms | 35.81 ms 5 | 28.39 ms | 44.26 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 6.61 ms (baseline: 4.19 ms, +57.7%) ⚠️ sparkline.movingAvg.100: 6.13 ms (baseline: 2.01 ms, +205.0%) ⚠️ sparkline.rdp.100: 5.79 ms (baseline: 3.13 ms, +84.9%) ✓ sparkline.none.1000: 6.85 ms (baseline: 7.73 ms, -11.4%) sparkline.movingAvg.1000: 6.34 ms (baseline: 6.17 ms, +2.8%) ✓ sparkline.rdp.1000: 3.03 ms (baseline: 3.81 ms, -20.5%) sparkline.none.10000: 24.41 ms (baseline: 25.83 ms, -5.5%) ⚠️ sparkline.movingAvg.10000: 6.78 ms (baseline: 3.11 ms, +118.0%) ✓ sparkline.rdp.10000: 4.82 ms (baseline: 16.16 ms, -70.2%) ✓ sparkline.none.50000: 35.21 ms (baseline: 41.98 ms, -16.1%) ✓ sparkline.movingAvg.50000: 3.92 ms (baseline: 4.35 ms, -10.0%) ⚠️ sparkline.rdp.50000: 86.06 ms (baseline: 9.95 ms, +764.9%) ✓ sparkline.none.100000: 63.81 ms (baseline: 78.65 ms, -18.9%) ✓ sparkline.movingAvg.100000: 4.99 ms (baseline: 12.06 ms, -58.6%) ⚠️ sparkline.rdp.100000: 13.33 ms (baseline: 9.42 ms, +41.4%) sparkline.none.500000: 283.89 ms (baseline: 262.54 ms, +8.1%) ⚠️ sparkline.movingAvg.500000: 74.32 ms (baseline: 49.75 ms, +49.4%) ✓ sparkline.rdp.500000: 50.09 ms (baseline: 59.48 ms, -15.8%) sparkline.none.948423: 526.06 ms (baseline: 573.46 ms, -8.3%) sparkline.movingAvg.948423: 144.51 ms (baseline: 136.67 ms, +5.7%) sparkline.rdp.948423: 143.18 ms (baseline: 125.66 ms, +13.9%) windrose.aggregation.1000: 469.6 µs (baseline: 513.4 µs, -8.5%) ✓ windrose.draw.1000: 811.7 µs (baseline: 2.16 ms, -62.5%) ✓ windrose.aggregation.10000: 2.04 ms (baseline: 4.06 ms, -49.7%) windrose.draw.10000: 1.28 ms (baseline: 1.22 ms, +4.9%) ✓ windrose.aggregation.50000: 17.99 ms (baseline: 23.82 ms, -24.5%) ✓ windrose.draw.50000: 1.17 ms (baseline: 2.46 ms, -52.5%) ✓ windrose.aggregation.100000: 7.06 ms (baseline: 10.89 ms, -35.1%) ⚠️ windrose.draw.100000: 2.05 ms (baseline: 792.1 µs, +158.8%) ⚠️ windrose.aggregation.500000: 46.02 ms (baseline: 21.27 ms, +116.4%) windrose.draw.500000: 720.9 µs (baseline: 705.8 µs, +2.1%) ✓ windrose.aggregation.948423: 37.26 ms (baseline: 115.42 ms, -67.7%) ⚠️ windrose.draw.948423: 1.60 ms (baseline: 1.26 ms, +26.5%) ✓ scaling.none.1x: 4.20 ms (baseline: 5.55 ms, -24.4%) ⚠️ scaling.movingAvg.1x: 2.32 ms (baseline: 1.87 ms, +24.1%) ✓ scaling.rdp.1x: 1.35 ms (baseline: 1.95 ms, -30.8%) ✓ scaling.none.2x: 13.09 ms (baseline: 21.34 ms, -38.6%) ✓ scaling.movingAvg.2x: 1.44 ms (baseline: 4.02 ms, -64.1%) ⚠️ scaling.rdp.2x: 2.92 ms (baseline: 1.43 ms, +103.8%) scaling.none.5x: 40.60 ms (baseline: 37.95 ms, +7.0%) ✓ scaling.movingAvg.5x: 4.22 ms (baseline: 5.49 ms, -23.1%) ⚠️ scaling.rdp.5x: 17.75 ms (baseline: 2.78 ms, +537.8%) ⚠️ scaling.none.10x: 66.98 ms (baseline: 53.21 ms, +25.9%) ✓ scaling.movingAvg.10x: 7.40 ms (baseline: 8.46 ms, -12.5%) ⚠️ scaling.rdp.10x: 8.70 ms (baseline: 5.91 ms, +47.1%) ⚠️ scaling.none.20x: 137.92 ms (baseline: 93.18 ms, +48.0%) ⚠️ scaling.movingAvg.20x: 18.04 ms (baseline: 11.16 ms, +61.6%) ⚠️ scaling.rdp.20x: 39.19 ms (baseline: 10.99 ms, +256.6%) ⚠️ scaling.none.50x: 282.15 ms (baseline: 224.88 ms, +25.5%) scaling.movingAvg.50x: 48.80 ms (baseline: 52.44 ms, -6.9%) scaling.rdp.50x: 25.06 ms (baseline: 25.73 ms, -2.6%) ✓ multiseries.movingAvg.1series: 5.51 ms (baseline: 11.99 ms, -54.0%) ⚠️ multiseries.rdp.1series: 8.08 ms (baseline: 4.45 ms, +81.6%) ⚠️ multiseries.movingAvg.2series: 16.17 ms (baseline: 8.81 ms, +83.4%) ⚠️ multiseries.rdp.2series: 35.02 ms (baseline: 20.50 ms, +70.8%) multiseries.movingAvg.3series: 15.71 ms (baseline: 14.42 ms, +8.9%) ⚠️ multiseries.rdp.3series: 35.81 ms (baseline: 23.21 ms, +54.3%) multiseries.movingAvg.5series: 28.39 ms (baseline: 27.29 ms, +4.0%) multiseries.rdp.5series: 44.26 ms (baseline: 37.46 ms, +18.2%) 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: 48.01 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: 0.030 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: 0.056 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: 21.97 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: 01:21 min [INFO] Finished at: 2026-09-13T10:52:34Z [INFO] ------------------------------------------------------------------------