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-rc1 -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: 2.762 s [INFO] Finished at: 2026-09-17T12:30:56Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.3.0-rc1 -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 -> 25.3.0-rc1 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.580 s [INFO] Finished at: 2026-09-17T12:31:03Z [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: 2026-09-17T10:42:29.643558847Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 12:31:41.071 [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 | 3.73 ms | 2.82 ms | 2.28 ms 1,000 | 4.84 ms | 4.58 ms | 5.22 ms 10,000 | 20.53 ms | 3.70 ms | 6.72 ms 49,871 | 25.42 ms | 7.37 ms | 39.77 ms 97,643 | 44.06 ms | 14.45 ms | 14.75 ms 495,995 | 322.40 ms | 63.85 ms | 45.72 ms 944,282 | 439.64 ms | 155.00 ms | 125.49 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 | 2.22 ms | 1.34 ms | 3.56 ms 10,000 | 1.85 ms | 4.41 ms | 6.26 ms 50,000 | 16.80 ms | 1.22 ms | 18.02 ms 100,000 | 6.29 ms | 626.5 µs | 6.91 ms 500,000 | 62.00 ms | 1.07 ms | 63.08 ms 948,423 | 114.27 ms | 1.58 ms | 115.86 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 | 7.88 ms ( 0.9x) | 1.15 ms ( 1.3x) | 2.98 ms ( 3.3x) 2x | 19,996 | 54.53 ms ( 6.4x) | 4.37 ms ( 5.1x) | 2.63 ms ( 2.9x) 5x | 49,871 | 38.69 ms ( 4.6x) | 5.45 ms ( 6.4x) | 11.00 ms (12.1x) 10x | 97,643 | 54.05 ms ( 6.4x) | 5.31 ms ( 6.2x) | 7.01 ms ( 7.7x) 20x | 196,569 | 90.38 ms (10.7x) | 17.34 ms (20.3x) | 12.26 ms (13.5x) 50x | 495,995 | 403.15 ms (47.6x) | 57.98 ms (68.0x) | 47.85 ms (52.6x) 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 | 151.4 µs | 5 | 290.5 µs 10,000 | 5 | 2.46 ms | 5 | 1.89 ms 97,643 | 5 | 8.75 ms | 5 | 9.24 ms 495,995 | 5 | 46.11 ms | 5 | 38.04 ms 944,282 | 5 | 130.14 ms | 5 | 121.23 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 | 8.09 ms | 4.91 ms 2 | 13.28 ms | 24.93 ms 3 | 33.23 ms | 28.57 ms 5 | 26.39 ms | 69.28 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 3.73 ms (baseline: 3.73 ms, +0.0%) ✓ sparkline.movingAvg.100: 2.82 ms (baseline: 8.28 ms, -66.0%) ✓ sparkline.rdp.100: 2.28 ms (baseline: 4.94 ms, -53.8%) ✓ sparkline.none.1000: 4.84 ms (baseline: 8.05 ms, -39.8%) ✓ sparkline.movingAvg.1000: 4.58 ms (baseline: 7.19 ms, -36.4%) ⚠️ sparkline.rdp.1000: 5.22 ms (baseline: 3.17 ms, +64.7%) ✓ sparkline.none.10000: 20.53 ms (baseline: 32.74 ms, -37.3%) ✓ sparkline.movingAvg.10000: 3.70 ms (baseline: 4.33 ms, -14.4%) ✓ sparkline.rdp.10000: 6.72 ms (baseline: 8.62 ms, -22.1%) ✓ sparkline.none.50000: 25.42 ms (baseline: 35.55 ms, -28.5%) ⚠️ sparkline.movingAvg.50000: 7.37 ms (baseline: 6.02 ms, +22.3%) ✓ sparkline.rdp.50000: 39.77 ms (baseline: 67.27 ms, -40.9%) sparkline.none.100000: 44.06 ms (baseline: 46.96 ms, -6.2%) ✓ sparkline.movingAvg.100000: 14.45 ms (baseline: 16.55 ms, -12.7%) ⚠️ sparkline.rdp.100000: 14.75 ms (baseline: 6.96 ms, +111.7%) sparkline.none.500000: 322.40 ms (baseline: 300.02 ms, +7.5%) ⚠️ sparkline.movingAvg.500000: 63.85 ms (baseline: 50.85 ms, +25.6%) sparkline.rdp.500000: 45.72 ms (baseline: 49.98 ms, -8.5%) sparkline.none.948423: 439.64 ms (baseline: 443.37 ms, -0.8%) sparkline.movingAvg.948423: 155.00 ms (baseline: 162.10 ms, -4.4%) ⚠️ sparkline.rdp.948423: 125.49 ms (baseline: 79.25 ms, +58.3%) ⚠️ windrose.aggregation.1000: 2.22 ms (baseline: 461.3 µs, +382.2%) ⚠️ windrose.draw.1000: 1.34 ms (baseline: 971.5 µs, +37.7%) windrose.aggregation.10000: 1.85 ms (baseline: 1.68 ms, +10.3%) ⚠️ windrose.draw.10000: 4.41 ms (baseline: 759.5 µs, +480.2%) ⚠️ windrose.aggregation.50000: 16.80 ms (baseline: 8.31 ms, +102.1%) ⚠️ windrose.draw.50000: 1.22 ms (baseline: 744.5 µs, +63.8%) ✓ windrose.aggregation.100000: 6.29 ms (baseline: 15.82 ms, -60.3%) windrose.draw.100000: 626.5 µs (baseline: 666.7 µs, -6.0%) ⚠️ windrose.aggregation.500000: 62.00 ms (baseline: 17.66 ms, +251.0%) ⚠️ windrose.draw.500000: 1.07 ms (baseline: 695.1 µs, +54.1%) ⚠️ windrose.aggregation.948423: 114.27 ms (baseline: 35.46 ms, +222.3%) ✓ windrose.draw.948423: 1.58 ms (baseline: 1.77 ms, -10.8%) ✓ scaling.none.1x: 7.88 ms (baseline: 12.32 ms, -36.0%) ✓ scaling.movingAvg.1x: 1.15 ms (baseline: 6.50 ms, -82.4%) scaling.rdp.1x: 2.98 ms (baseline: 2.51 ms, +18.7%) ⚠️ scaling.none.2x: 54.53 ms (baseline: 9.62 ms, +466.8%) ⚠️ scaling.movingAvg.2x: 4.37 ms (baseline: 2.63 ms, +66.1%) ⚠️ scaling.rdp.2x: 2.63 ms (baseline: 1.55 ms, +69.8%) ⚠️ scaling.none.5x: 38.69 ms (baseline: 21.41 ms, +80.7%) scaling.movingAvg.5x: 5.45 ms (baseline: 4.96 ms, +10.0%) ⚠️ scaling.rdp.5x: 11.00 ms (baseline: 3.29 ms, +234.8%) ⚠️ scaling.none.10x: 54.05 ms (baseline: 40.38 ms, +33.8%) ✓ scaling.movingAvg.10x: 5.31 ms (baseline: 8.46 ms, -37.2%) ✓ scaling.rdp.10x: 7.01 ms (baseline: 10.52 ms, -33.4%) ✓ scaling.none.20x: 90.38 ms (baseline: 151.88 ms, -40.5%) scaling.movingAvg.20x: 17.34 ms (baseline: 18.05 ms, -3.9%) ✓ scaling.rdp.20x: 12.26 ms (baseline: 16.83 ms, -27.1%) ⚠️ scaling.none.50x: 403.15 ms (baseline: 275.35 ms, +46.4%) ✓ scaling.movingAvg.50x: 57.98 ms (baseline: 86.04 ms, -32.6%) scaling.rdp.50x: 47.85 ms (baseline: 49.48 ms, -3.3%) multiseries.movingAvg.1series: 8.09 ms (baseline: 7.57 ms, +6.8%) ✓ multiseries.rdp.1series: 4.91 ms (baseline: 39.23 ms, -87.5%) ⚠️ multiseries.movingAvg.2series: 13.28 ms (baseline: 10.06 ms, +32.1%) ⚠️ multiseries.rdp.2series: 24.93 ms (baseline: 15.11 ms, +65.0%) ⚠️ multiseries.movingAvg.3series: 33.23 ms (baseline: 13.04 ms, +154.9%) ⚠️ multiseries.rdp.3series: 28.57 ms (baseline: 19.07 ms, +49.8%) multiseries.movingAvg.5series: 26.39 ms (baseline: 27.72 ms, -4.8%) ⚠️ multiseries.rdp.5series: 69.28 ms (baseline: 36.87 ms, +87.9%) 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: 51.67 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: 0.039 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: 0.035 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: 21.06 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: 01:24 min [INFO] Finished at: 2026-09-17T12:32:38Z [INFO] ------------------------------------------------------------------------