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:2.21.0:set-property (default-cli) @ svg-visualizations --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.496 s [INFO] Finished at: 2026-09-10T10:17:35Z [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:2.21.0: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 -> 25.2.7 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.525 s [INFO] Finished at: 2026-09-10T10:17:42Z [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: 2026-09-10T07:48:16.292005855Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 10:18:21.036 [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 | 1.77 ms | 11.94 ms | 1.42 ms 1,000 | 5.03 ms | 5.03 ms | 3.70 ms 10,000 | 18.91 ms | 3.27 ms | 6.32 ms 49,871 | 25.54 ms | 3.60 ms | 54.83 ms 97,643 | 48.51 ms | 5.06 ms | 24.47 ms 495,995 | 254.32 ms | 65.13 ms | 64.70 ms 944,282 | 490.99 ms | 123.65 ms | 101.20 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 | 454.4 µs | 2.75 ms | 3.21 ms 10,000 | 7.23 ms | 1.99 ms | 9.22 ms 50,000 | 24.53 ms | 1.37 ms | 25.90 ms 100,000 | 9.84 ms | 2.52 ms | 12.36 ms 500,000 | 59.98 ms | 545.4 µs | 60.52 ms 948,423 | 103.95 ms | 2.15 ms | 106.09 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 | 3.86 ms ( 0.6x) | 2.20 ms ( 2.1x) | 724.3 µs ( 0.6x) 2x | 19,996 | 10.62 ms ( 1.6x) | 1.07 ms ( 1.0x) | 4.20 ms ( 3.4x) 5x | 49,871 | 23.93 ms ( 3.7x) | 3.91 ms ( 3.8x) | 6.00 ms ( 4.8x) 10x | 97,643 | 52.26 ms ( 8.1x) | 4.74 ms ( 4.6x) | 7.96 ms ( 6.4x) 20x | 196,569 | 102.95 ms (15.9x) | 9.57 ms ( 9.3x) | 12.39 ms (10.0x) 50x | 495,995 | 300.64 ms (46.6x) | 57.23 ms (55.4x) | 35.28 ms (28.5x) 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 | 162.7 µs | 5 | 383.9 µs 10,000 | 5 | 1.09 ms | 5 | 1.60 ms 97,643 | 5 | 4.88 ms | 5 | 5.14 ms 495,995 | 5 | 37.84 ms | 5 | 72.55 ms 944,282 | 5 | 143.43 ms | 5 | 112.66 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 | 11.76 ms | 10.71 ms 2 | 29.28 ms | 21.32 ms 3 | 24.12 ms | 52.52 ms 5 | 28.95 ms | 48.37 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 1.77 ms (baseline: 1.11 ms, +58.4%) ⚠️ sparkline.movingAvg.100: 11.94 ms (baseline: 1.42 ms, +738.7%) ⚠️ sparkline.rdp.100: 1.42 ms (baseline: 942.5 µs, +50.7%) ⚠️ sparkline.none.1000: 5.03 ms (baseline: 3.62 ms, +38.8%) ⚠️ sparkline.movingAvg.1000: 5.03 ms (baseline: 1.21 ms, +314.0%) ⚠️ sparkline.rdp.1000: 3.70 ms (baseline: 1.40 ms, +163.4%) ⚠️ sparkline.none.10000: 18.91 ms (baseline: 9.47 ms, +99.7%) ⚠️ sparkline.movingAvg.10000: 3.27 ms (baseline: 2.56 ms, +27.8%) ⚠️ sparkline.rdp.10000: 6.32 ms (baseline: 3.67 ms, +72.1%) sparkline.none.50000: 25.54 ms (baseline: 22.67 ms, +12.7%) ⚠️ sparkline.movingAvg.50000: 3.60 ms (baseline: 2.68 ms, +34.4%) ⚠️ sparkline.rdp.50000: 54.83 ms (baseline: 13.71 ms, +300.1%) ⚠️ sparkline.none.100000: 48.51 ms (baseline: 36.25 ms, +33.8%) sparkline.movingAvg.100000: 5.06 ms (baseline: 5.22 ms, -2.9%) ⚠️ sparkline.rdp.100000: 24.47 ms (baseline: 18.51 ms, +32.2%) ⚠️ sparkline.none.500000: 254.32 ms (baseline: 191.20 ms, +33.0%) ⚠️ sparkline.movingAvg.500000: 65.13 ms (baseline: 36.14 ms, +80.2%) ⚠️ sparkline.rdp.500000: 64.70 ms (baseline: 30.67 ms, +110.9%) ⚠️ sparkline.none.948423: 490.99 ms (baseline: 337.75 ms, +45.4%) ⚠️ sparkline.movingAvg.948423: 123.65 ms (baseline: 93.61 ms, +32.1%) ⚠️ sparkline.rdp.948423: 101.20 ms (baseline: 64.99 ms, +55.7%) ✓ windrose.aggregation.1000: 454.4 µs (baseline: 615.4 µs, -26.2%) ⚠️ windrose.draw.1000: 2.75 ms (baseline: 1.40 ms, +96.0%) ⚠️ windrose.aggregation.10000: 7.23 ms (baseline: 4.47 ms, +61.9%) windrose.draw.10000: 1.99 ms (baseline: 2.02 ms, -1.7%) ⚠️ windrose.aggregation.50000: 24.53 ms (baseline: 16.93 ms, +44.9%) windrose.draw.50000: 1.37 ms (baseline: 1.31 ms, +4.3%) ⚠️ windrose.aggregation.100000: 9.84 ms (baseline: 4.76 ms, +106.9%) ⚠️ windrose.draw.100000: 2.52 ms (baseline: 801.4 µs, +214.0%) ⚠️ windrose.aggregation.500000: 59.98 ms (baseline: 38.85 ms, +54.4%) ✓ windrose.draw.500000: 545.4 µs (baseline: 611.3 µs, -10.8%) ⚠️ windrose.aggregation.948423: 103.95 ms (baseline: 38.42 ms, +170.5%) ⚠️ windrose.draw.948423: 2.15 ms (baseline: 666.7 µs, +221.9%) ✓ scaling.none.1x: 3.86 ms (baseline: 12.69 ms, -69.5%) ⚠️ scaling.movingAvg.1x: 2.20 ms (baseline: 847.7 µs, +159.3%) ✓ scaling.rdp.1x: 724.3 µs (baseline: 949.7 µs, -23.7%) ⚠️ scaling.none.2x: 10.62 ms (baseline: 8.73 ms, +21.6%) ✓ scaling.movingAvg.2x: 1.07 ms (baseline: 1.88 ms, -43.0%) ⚠️ scaling.rdp.2x: 4.20 ms (baseline: 1.16 ms, +261.2%) ⚠️ scaling.none.5x: 23.93 ms (baseline: 16.89 ms, +41.7%) ⚠️ scaling.movingAvg.5x: 3.91 ms (baseline: 2.89 ms, +35.0%) ⚠️ scaling.rdp.5x: 6.00 ms (baseline: 2.39 ms, +150.9%) ⚠️ scaling.none.10x: 52.26 ms (baseline: 34.08 ms, +53.3%) ✓ scaling.movingAvg.10x: 4.74 ms (baseline: 6.01 ms, -21.1%) ⚠️ scaling.rdp.10x: 7.96 ms (baseline: 4.63 ms, +71.9%) ⚠️ scaling.none.20x: 102.95 ms (baseline: 64.60 ms, +59.4%) scaling.movingAvg.20x: 9.57 ms (baseline: 10.36 ms, -7.6%) scaling.rdp.20x: 12.39 ms (baseline: 11.77 ms, +5.3%) ⚠️ scaling.none.50x: 300.64 ms (baseline: 218.68 ms, +37.5%) ⚠️ scaling.movingAvg.50x: 57.23 ms (baseline: 32.17 ms, +77.9%) ⚠️ scaling.rdp.50x: 35.28 ms (baseline: 23.52 ms, +50.0%) ⚠️ multiseries.movingAvg.1series: 11.76 ms (baseline: 4.99 ms, +135.5%) ⚠️ multiseries.rdp.1series: 10.71 ms (baseline: 6.02 ms, +77.9%) ⚠️ multiseries.movingAvg.2series: 29.28 ms (baseline: 10.23 ms, +186.3%) ⚠️ multiseries.rdp.2series: 21.32 ms (baseline: 14.99 ms, +42.2%) ⚠️ multiseries.movingAvg.3series: 24.12 ms (baseline: 13.81 ms, +74.7%) ⚠️ multiseries.rdp.3series: 52.52 ms (baseline: 20.12 ms, +161.0%) ⚠️ multiseries.movingAvg.5series: 28.95 ms (baseline: 20.96 ms, +38.1%) ⚠️ multiseries.rdp.5series: 48.37 ms (baseline: 30.99 ms, +56.1%) 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: 44.14 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: 0.048 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: 0.033 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: 17.47 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: 01:12 min [INFO] Finished at: 2026-09-10T10:19:06Z [INFO] ------------------------------------------------------------------------