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 939d4f0 [maven-release-plugin] prepare for next development iteration $ 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 100, 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: 2.877 s [INFO] Finished at: 2026-08-10T22:45:25Z [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 100, 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-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.452 s [INFO] Finished at: 2026-08-10T22:45:32Z [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 100, 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 6.8.0-137-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-08-10T21:41:55.050275024Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 22:46:15.649 [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 | 4.40 ms | 4.13 ms | 2.03 ms 1,000 | 4.95 ms | 3.18 ms | 1.26 ms 10,000 | 12.88 ms | 2.59 ms | 5.44 ms 49,871 | 53.61 ms | 5.71 ms | 98.27 ms 97,643 | 80.89 ms | 15.35 ms | 12.06 ms 495,995 | 276.18 ms | 49.91 ms | 59.22 ms 944,282 | 526.34 ms | 136.10 ms | 138.02 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 | 9.49 ms | 2.84 ms | 12.32 ms 10,000 | 7.58 ms | 2.02 ms | 9.60 ms 50,000 | 18.65 ms | 2.66 ms | 21.31 ms 100,000 | 9.02 ms | 3.04 ms | 12.06 ms 500,000 | 34.63 ms | 13.83 ms | 48.46 ms 948,423 | 53.85 ms | 1.52 ms | 55.37 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 | 4.80 ms ( 0.9x) | 1.67 ms ( 2.1x) | 2.15 ms ( 1.3x) 2x | 19,996 | 15.64 ms ( 3.1x) | 1.62 ms ( 2.0x) | 1.01 ms ( 0.6x) 5x | 49,871 | 23.49 ms ( 4.6x) | 4.72 ms ( 5.8x) | 3.68 ms ( 2.2x) 10x | 97,643 | 47.96 ms ( 9.4x) | 6.07 ms ( 7.5x) | 8.47 ms ( 5.0x) 20x | 196,569 | 88.59 ms (17.3x) | 13.79 ms (17.1x) | 14.04 ms ( 8.4x) 50x | 495,995 | 284.20 ms (55.6x) | 47.99 ms (59.4x) | 46.36 ms (27.6x) 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 | 633.5 µs | 5 | 750.6 µs 10,000 | 5 | 980.9 µs | 5 | 2.03 ms 97,643 | 5 | 16.06 ms | 5 | 10.82 ms 495,995 | 5 | 73.46 ms | 5 | 61.83 ms 944,282 | 5 | 111.54 ms | 5 | 107.12 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 | 12.04 ms | 4.17 ms 2 | 9.27 ms | 20.90 ms 3 | 19.93 ms | 36.42 ms 5 | 41.44 ms | 42.26 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 4.40 ms (baseline: 1.68 ms, +161.7%) ⚠️ sparkline.movingAvg.100: 4.13 ms (baseline: 1.69 ms, +144.4%) ⚠️ sparkline.rdp.100: 2.03 ms (baseline: 1.37 ms, +48.1%) ⚠️ sparkline.none.1000: 4.95 ms (baseline: 2.19 ms, +125.4%) ⚠️ sparkline.movingAvg.1000: 3.18 ms (baseline: 1.74 ms, +82.8%) sparkline.rdp.1000: 1.26 ms (baseline: 1.26 ms, -0.4%) sparkline.none.10000: 12.88 ms (baseline: 11.06 ms, +16.5%) sparkline.movingAvg.10000: 2.59 ms (baseline: 2.30 ms, +12.5%) ✓ sparkline.rdp.10000: 5.44 ms (baseline: 12.18 ms, -55.4%) ⚠️ sparkline.none.50000: 53.61 ms (baseline: 24.99 ms, +114.5%) ⚠️ sparkline.movingAvg.50000: 5.71 ms (baseline: 3.13 ms, +82.1%) ⚠️ sparkline.rdp.50000: 98.27 ms (baseline: 7.51 ms, +1209.0%) ⚠️ sparkline.none.100000: 80.89 ms (baseline: 41.66 ms, +94.1%) ⚠️ sparkline.movingAvg.100000: 15.35 ms (baseline: 5.55 ms, +176.5%) ⚠️ sparkline.rdp.100000: 12.06 ms (baseline: 5.54 ms, +117.7%) ⚠️ sparkline.none.500000: 276.18 ms (baseline: 211.21 ms, +30.8%) ⚠️ sparkline.movingAvg.500000: 49.91 ms (baseline: 29.42 ms, +69.6%) ⚠️ sparkline.rdp.500000: 59.22 ms (baseline: 38.72 ms, +52.9%) ⚠️ sparkline.none.948423: 526.34 ms (baseline: 371.32 ms, +41.7%) ⚠️ sparkline.movingAvg.948423: 136.10 ms (baseline: 91.21 ms, +49.2%) ⚠️ sparkline.rdp.948423: 138.02 ms (baseline: 74.95 ms, +84.2%) ⚠️ windrose.aggregation.1000: 9.49 ms (baseline: 616.5 µs, +1438.7%) ⚠️ windrose.draw.1000: 2.84 ms (baseline: 851.7 µs, +233.0%) ⚠️ windrose.aggregation.10000: 7.58 ms (baseline: 1.74 ms, +336.2%) ⚠️ windrose.draw.10000: 2.02 ms (baseline: 717.3 µs, +181.8%) ⚠️ windrose.aggregation.50000: 18.65 ms (baseline: 8.01 ms, +132.9%) ⚠️ windrose.draw.50000: 2.66 ms (baseline: 613.0 µs, +333.4%) ⚠️ windrose.aggregation.100000: 9.02 ms (baseline: 4.08 ms, +121.2%) ⚠️ windrose.draw.100000: 3.04 ms (baseline: 610.9 µs, +397.7%) windrose.aggregation.500000: 34.63 ms (baseline: 29.05 ms, +19.2%) ⚠️ windrose.draw.500000: 13.83 ms (baseline: 615.9 µs, +2145.9%) ⚠️ windrose.aggregation.948423: 53.85 ms (baseline: 35.96 ms, +49.7%) ⚠️ windrose.draw.948423: 1.52 ms (baseline: 703.4 µs, +116.2%) ⚠️ scaling.none.1x: 4.80 ms (baseline: 3.63 ms, +32.2%) ⚠️ scaling.movingAvg.1x: 1.67 ms (baseline: 995.6 µs, +67.8%) ⚠️ scaling.rdp.1x: 2.15 ms (baseline: 948.2 µs, +126.3%) ⚠️ scaling.none.2x: 15.64 ms (baseline: 7.56 ms, +106.9%) ⚠️ scaling.movingAvg.2x: 1.62 ms (baseline: 998.0 µs, +62.4%) scaling.rdp.2x: 1.01 ms (baseline: 1.05 ms, -3.3%) ⚠️ scaling.none.5x: 23.49 ms (baseline: 17.34 ms, +35.5%) ⚠️ scaling.movingAvg.5x: 4.72 ms (baseline: 2.19 ms, +115.7%) ⚠️ scaling.rdp.5x: 3.68 ms (baseline: 2.20 ms, +67.6%) ⚠️ scaling.none.10x: 47.96 ms (baseline: 32.86 ms, +45.9%) ⚠️ scaling.movingAvg.10x: 6.07 ms (baseline: 4.67 ms, +30.0%) ⚠️ scaling.rdp.10x: 8.47 ms (baseline: 4.28 ms, +97.7%) ⚠️ scaling.none.20x: 88.59 ms (baseline: 68.53 ms, +29.3%) ⚠️ scaling.movingAvg.20x: 13.79 ms (baseline: 9.12 ms, +51.3%) ⚠️ scaling.rdp.20x: 14.04 ms (baseline: 10.05 ms, +39.7%) ⚠️ scaling.none.50x: 284.20 ms (baseline: 187.45 ms, +51.6%) ⚠️ scaling.movingAvg.50x: 47.99 ms (baseline: 28.77 ms, +66.8%) ⚠️ scaling.rdp.50x: 46.36 ms (baseline: 23.90 ms, +94.0%) ⚠️ multiseries.movingAvg.1series: 12.04 ms (baseline: 4.91 ms, +145.1%) multiseries.rdp.1series: 4.17 ms (baseline: 4.38 ms, -4.7%) ✓ multiseries.movingAvg.2series: 9.27 ms (baseline: 10.64 ms, -12.9%) ⚠️ multiseries.rdp.2series: 20.90 ms (baseline: 12.74 ms, +64.0%) ⚠️ multiseries.movingAvg.3series: 19.93 ms (baseline: 13.36 ms, +49.2%) ⚠️ multiseries.rdp.3series: 36.42 ms (baseline: 20.77 ms, +75.4%) ⚠️ multiseries.movingAvg.5series: 41.44 ms (baseline: 21.93 ms, +89.0%) ⚠️ multiseries.rdp.5series: 42.26 ms (baseline: 33.22 ms, +27.2%) 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: 48.08 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: 0.008 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: 0.010 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: 21.81 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: 2026-08-10T22:47:05Z [INFO] ------------------------------------------------------------------------