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: 2.424 s [INFO] Finished at: 2026-09-20T12:26:56Z [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: 2.770 s [INFO] Finished at: 2026-09-20T12:27:02Z [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: 2026-09-20T12:08:23.498952164Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 12:27:42.901 [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 | 2.31 ms | 3.96 ms | 3.89 ms 1,000 | 5.78 ms | 4.23 ms | 1.40 ms 10,000 | 21.57 ms | 4.48 ms | 10.92 ms 49,871 | 38.50 ms | 5.48 ms | 63.95 ms 97,643 | 46.31 ms | 6.59 ms | 21.28 ms 495,995 | 291.11 ms | 47.03 ms | 59.24 ms 944,282 | 510.74 ms | 135.40 ms | 103.12 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 | 497.5 µs | 2.11 ms | 2.61 ms 10,000 | 7.46 ms | 791.1 µs | 8.25 ms 50,000 | 18.88 ms | 4.20 ms | 23.08 ms 100,000 | 13.37 ms | 1.45 ms | 14.82 ms 500,000 | 27.46 ms | 553.4 µs | 28.01 ms 948,423 | 41.21 ms | 568.3 µs | 41.77 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 | 6.83 ms ( 0.8x) | 726.5 µs ( 0.3x) | 725.8 µs ( 0.6x) 2x | 19,996 | 12.58 ms ( 1.4x) | 3.22 ms ( 1.1x) | 2.70 ms ( 2.2x) 5x | 49,871 | 26.51 ms ( 3.0x) | 2.89 ms ( 1.0x) | 2.53 ms ( 2.1x) 10x | 97,643 | 45.37 ms ( 5.1x) | 10.94 ms ( 3.8x) | 6.98 ms ( 5.7x) 20x | 196,569 | 132.86 ms (14.9x) | 18.91 ms ( 6.5x) | 10.11 ms ( 8.2x) 50x | 495,995 | 298.01 ms (33.4x) | 82.55 ms (28.5x) | 34.95 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 | 609.0 µs | 5 | 194.3 µs 10,000 | 5 | 1.75 ms | 5 | 1.09 ms 97,643 | 5 | 5.91 ms | 5 | 5.51 ms 495,995 | 5 | 54.47 ms | 5 | 58.00 ms 944,282 | 5 | 135.34 ms | 5 | 74.62 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 | 6.07 ms | 3.95 ms 2 | 8.44 ms | 16.27 ms 3 | 13.97 ms | 20.99 ms 5 | 43.44 ms | 51.24 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.31 ms (baseline: 3.32 ms, -30.6%) ⚠️ sparkline.movingAvg.100: 3.96 ms (baseline: 2.12 ms, +86.2%) ⚠️ sparkline.rdp.100: 3.89 ms (baseline: 1.83 ms, +112.1%) ✓ sparkline.none.1000: 5.78 ms (baseline: 9.57 ms, -39.6%) ⚠️ sparkline.movingAvg.1000: 4.23 ms (baseline: 2.23 ms, +89.4%) ✓ sparkline.rdp.1000: 1.40 ms (baseline: 2.05 ms, -31.6%) ⚠️ sparkline.none.10000: 21.57 ms (baseline: 16.98 ms, +27.0%) ✓ sparkline.movingAvg.10000: 4.48 ms (baseline: 6.70 ms, -33.2%) ⚠️ sparkline.rdp.10000: 10.92 ms (baseline: 5.22 ms, +109.0%) ✓ sparkline.none.50000: 38.50 ms (baseline: 71.64 ms, -46.3%) sparkline.movingAvg.50000: 5.48 ms (baseline: 4.68 ms, +17.0%) ⚠️ sparkline.rdp.50000: 63.95 ms (baseline: 17.77 ms, +259.9%) sparkline.none.100000: 46.31 ms (baseline: 47.58 ms, -2.7%) ✓ sparkline.movingAvg.100000: 6.59 ms (baseline: 9.39 ms, -29.8%) ✓ sparkline.rdp.100000: 21.28 ms (baseline: 25.90 ms, -17.9%) sparkline.none.500000: 291.11 ms (baseline: 251.66 ms, +15.7%) sparkline.movingAvg.500000: 47.03 ms (baseline: 51.54 ms, -8.7%) sparkline.rdp.500000: 59.24 ms (baseline: 59.02 ms, +0.4%) sparkline.none.948423: 510.74 ms (baseline: 534.86 ms, -4.5%) ✓ sparkline.movingAvg.948423: 135.40 ms (baseline: 165.13 ms, -18.0%) ✓ sparkline.rdp.948423: 103.12 ms (baseline: 127.85 ms, -19.3%) ✓ windrose.aggregation.1000: 497.5 µs (baseline: 1.64 ms, -69.7%) ✓ windrose.draw.1000: 2.11 ms (baseline: 2.80 ms, -24.7%) ⚠️ windrose.aggregation.10000: 7.46 ms (baseline: 4.50 ms, +65.7%) ✓ windrose.draw.10000: 791.1 µs (baseline: 1.50 ms, -47.3%) ⚠️ windrose.aggregation.50000: 18.88 ms (baseline: 13.49 ms, +40.0%) ⚠️ windrose.draw.50000: 4.20 ms (baseline: 632.3 µs, +564.2%) ✓ windrose.aggregation.100000: 13.37 ms (baseline: 24.21 ms, -44.8%) ✓ windrose.draw.100000: 1.45 ms (baseline: 3.81 ms, -62.0%) ✓ windrose.aggregation.500000: 27.46 ms (baseline: 99.62 ms, -72.4%) ✓ windrose.draw.500000: 553.4 µs (baseline: 2.33 ms, -76.2%) ✓ windrose.aggregation.948423: 41.21 ms (baseline: 170.52 ms, -75.8%) windrose.draw.948423: 568.3 µs (baseline: 585.2 µs, -2.9%) ⚠️ scaling.none.1x: 6.83 ms (baseline: 4.02 ms, +70.0%) ⚠️ scaling.movingAvg.1x: 726.5 µs (baseline: 567.3 µs, +28.1%) scaling.rdp.1x: 725.8 µs (baseline: 734.8 µs, -1.2%) ⚠️ scaling.none.2x: 12.58 ms (baseline: 9.53 ms, +32.0%) ⚠️ scaling.movingAvg.2x: 3.22 ms (baseline: 1.01 ms, +220.1%) scaling.rdp.2x: 2.70 ms (baseline: 2.57 ms, +5.0%) ✓ scaling.none.5x: 26.51 ms (baseline: 36.43 ms, -27.2%) scaling.movingAvg.5x: 2.89 ms (baseline: 2.58 ms, +12.0%) ✓ scaling.rdp.5x: 2.53 ms (baseline: 4.13 ms, -38.8%) scaling.none.10x: 45.37 ms (baseline: 41.51 ms, +9.3%) ⚠️ scaling.movingAvg.10x: 10.94 ms (baseline: 5.07 ms, +115.9%) ⚠️ scaling.rdp.10x: 6.98 ms (baseline: 4.58 ms, +52.5%) ⚠️ scaling.none.20x: 132.86 ms (baseline: 84.66 ms, +56.9%) ⚠️ scaling.movingAvg.20x: 18.91 ms (baseline: 13.95 ms, +35.6%) ✓ scaling.rdp.20x: 10.11 ms (baseline: 20.69 ms, -51.1%) scaling.none.50x: 298.01 ms (baseline: 290.71 ms, +2.5%) ⚠️ scaling.movingAvg.50x: 82.55 ms (baseline: 56.26 ms, +46.7%) ✓ scaling.rdp.50x: 34.95 ms (baseline: 56.69 ms, -38.3%) ✓ multiseries.movingAvg.1series: 6.07 ms (baseline: 8.68 ms, -30.0%) ✓ multiseries.rdp.1series: 3.95 ms (baseline: 11.79 ms, -66.5%) ✓ multiseries.movingAvg.2series: 8.44 ms (baseline: 13.85 ms, -39.0%) ✓ multiseries.rdp.2series: 16.27 ms (baseline: 24.60 ms, -33.9%) ✓ multiseries.movingAvg.3series: 13.97 ms (baseline: 20.92 ms, -33.2%) ✓ multiseries.rdp.3series: 20.99 ms (baseline: 31.56 ms, -33.5%) ⚠️ multiseries.movingAvg.5series: 43.44 ms (baseline: 30.03 ms, +44.7%) ✓ multiseries.rdp.5series: 51.24 ms (baseline: 59.98 ms, -14.6%) 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: 45.02 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: 0.023 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: 0.048 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: 19.71 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: 2026-09-20T12:28:30Z [INFO] ------------------------------------------------------------------------