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: 2.576 s [INFO] Finished at: 2026-08-07T19:59:17Z [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: 2.630 s [INFO] Finished at: 2026-08-07T19:59:23Z [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 6.8.0-136-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-08-07T18:48:58.219010171Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 20:00:04.776 [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 | 4.02 ms | 2.79 ms | 4.00 ms 1,000 | 9.82 ms | 4.59 ms | 6.14 ms 10,000 | 34.41 ms | 1.34 ms | 22.90 ms 49,871 | 58.49 ms | 9.27 ms | 8.59 ms 97,643 | 57.92 ms | 7.47 ms | 13.06 ms 495,995 | 307.79 ms | 33.71 ms | 31.77 ms 944,282 | 541.78 ms | 134.85 ms | 155.68 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 | 541.8 µs | 1.96 ms | 2.51 ms 10,000 | 2.03 ms | 1.52 ms | 3.55 ms 50,000 | 21.46 ms | 2.79 ms | 24.25 ms 100,000 | 16.24 ms | 1.08 ms | 17.32 ms 500,000 | 35.23 ms | 1.14 ms | 36.37 ms 948,423 | 99.09 ms | 682.5 µs | 99.77 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 | 4.74 ms ( 0.8x) | 598.8 µs ( 0.6x) | 599.4 µs ( 0.9x) 2x | 19,996 | 8.61 ms ( 1.4x) | 2.40 ms ( 2.5x) | 1.71 ms ( 2.7x) 5x | 49,871 | 32.85 ms ( 5.5x) | 2.34 ms ( 2.4x) | 2.46 ms ( 3.8x) 10x | 97,643 | 37.39 ms ( 6.3x) | 5.75 ms ( 5.9x) | 5.91 ms ( 9.2x) 20x | 196,569 | 102.82 ms (17.2x) | 8.88 ms ( 9.1x) | 10.37 ms (16.2x) 50x | 495,995 | 229.05 ms (38.3x) | 34.73 ms (35.6x) | 80.94 ms (126.1x) 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 | 140.4 µs | 5 | 184.8 µs 10,000 | 5 | 655.9 µs | 5 | 539.3 µs 97,643 | 5 | 10.29 ms | 5 | 5.70 ms 495,995 | 5 | 48.31 ms | 5 | 31.05 ms 944,282 | 5 | 115.30 ms | 5 | 99.24 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 | 5.72 ms | 4.54 ms 2 | 11.42 ms | 22.19 ms 3 | 22.59 ms | 31.38 ms 5 | 29.47 ms | 39.66 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 4.02 ms (baseline: 2.18 ms, +84.3%) ⚠️ sparkline.movingAvg.100: 2.79 ms (baseline: 1.48 ms, +89.1%) ⚠️ sparkline.rdp.100: 4.00 ms (baseline: 1.22 ms, +228.3%) ⚠️ sparkline.none.1000: 9.82 ms (baseline: 4.21 ms, +133.1%) ⚠️ sparkline.movingAvg.1000: 4.59 ms (baseline: 2.19 ms, +109.8%) ⚠️ sparkline.rdp.1000: 6.14 ms (baseline: 2.27 ms, +169.9%) ⚠️ sparkline.none.10000: 34.41 ms (baseline: 12.54 ms, +174.5%) ✓ sparkline.movingAvg.10000: 1.34 ms (baseline: 2.75 ms, -51.4%) ⚠️ sparkline.rdp.10000: 22.90 ms (baseline: 4.30 ms, +432.3%) ⚠️ sparkline.none.50000: 58.49 ms (baseline: 19.17 ms, +205.1%) ⚠️ sparkline.movingAvg.50000: 9.27 ms (baseline: 2.76 ms, +235.3%) ✓ sparkline.rdp.50000: 8.59 ms (baseline: 15.27 ms, -43.7%) ⚠️ sparkline.none.100000: 57.92 ms (baseline: 35.25 ms, +64.3%) ⚠️ sparkline.movingAvg.100000: 7.47 ms (baseline: 4.39 ms, +70.2%) ⚠️ sparkline.rdp.100000: 13.06 ms (baseline: 4.44 ms, +193.9%) ⚠️ sparkline.none.500000: 307.79 ms (baseline: 178.68 ms, +72.3%) ⚠️ sparkline.movingAvg.500000: 33.71 ms (baseline: 24.03 ms, +40.3%) ✓ sparkline.rdp.500000: 31.77 ms (baseline: 39.04 ms, -18.6%) ⚠️ sparkline.none.948423: 541.78 ms (baseline: 358.50 ms, +51.1%) ⚠️ sparkline.movingAvg.948423: 134.85 ms (baseline: 92.43 ms, +45.9%) ⚠️ sparkline.rdp.948423: 155.68 ms (baseline: 62.04 ms, +150.9%) windrose.aggregation.1000: 541.8 µs (baseline: 496.4 µs, +9.1%) ⚠️ windrose.draw.1000: 1.96 ms (baseline: 793.9 µs, +147.5%) ⚠️ windrose.aggregation.10000: 2.03 ms (baseline: 1.64 ms, +24.1%) ⚠️ windrose.draw.10000: 1.52 ms (baseline: 726.2 µs, +108.7%) ⚠️ windrose.aggregation.50000: 21.46 ms (baseline: 8.25 ms, +160.2%) ⚠️ windrose.draw.50000: 2.79 ms (baseline: 599.8 µs, +365.0%) ⚠️ windrose.aggregation.100000: 16.24 ms (baseline: 4.08 ms, +297.8%) ⚠️ windrose.draw.100000: 1.08 ms (baseline: 776.2 µs, +39.3%) ⚠️ windrose.aggregation.500000: 35.23 ms (baseline: 19.66 ms, +79.2%) ⚠️ windrose.draw.500000: 1.14 ms (baseline: 607.2 µs, +87.2%) ⚠️ windrose.aggregation.948423: 99.09 ms (baseline: 35.44 ms, +179.6%) ✓ windrose.draw.948423: 682.5 µs (baseline: 1.03 ms, -34.0%) ⚠️ scaling.none.1x: 4.74 ms (baseline: 3.62 ms, +30.9%) scaling.movingAvg.1x: 598.8 µs (baseline: 584.3 µs, +2.5%) scaling.rdp.1x: 599.4 µs (baseline: 545.8 µs, +9.8%) scaling.none.2x: 8.61 ms (baseline: 8.30 ms, +3.6%) ⚠️ scaling.movingAvg.2x: 2.40 ms (baseline: 1.15 ms, +109.1%) ⚠️ scaling.rdp.2x: 1.71 ms (baseline: 986.4 µs, +73.2%) ⚠️ scaling.none.5x: 32.85 ms (baseline: 16.41 ms, +100.3%) scaling.movingAvg.5x: 2.34 ms (baseline: 2.14 ms, +9.2%) scaling.rdp.5x: 2.46 ms (baseline: 2.13 ms, +15.5%) scaling.none.10x: 37.39 ms (baseline: 33.75 ms, +10.8%) ⚠️ scaling.movingAvg.10x: 5.75 ms (baseline: 4.75 ms, +21.0%) ⚠️ scaling.rdp.10x: 5.91 ms (baseline: 4.03 ms, +46.8%) ⚠️ scaling.none.20x: 102.82 ms (baseline: 66.64 ms, +54.3%) scaling.movingAvg.20x: 8.88 ms (baseline: 8.26 ms, +7.4%) scaling.rdp.20x: 10.37 ms (baseline: 8.81 ms, +17.7%) ⚠️ scaling.none.50x: 229.05 ms (baseline: 179.65 ms, +27.5%) scaling.movingAvg.50x: 34.73 ms (baseline: 32.93 ms, +5.5%) ⚠️ scaling.rdp.50x: 80.94 ms (baseline: 38.70 ms, +109.2%) ⚠️ multiseries.movingAvg.1series: 5.72 ms (baseline: 4.66 ms, +22.7%) ✓ multiseries.rdp.1series: 4.54 ms (baseline: 11.90 ms, -61.8%) ✓ multiseries.movingAvg.2series: 11.42 ms (baseline: 16.14 ms, -29.2%) ⚠️ multiseries.rdp.2series: 22.19 ms (baseline: 15.64 ms, +41.9%) ⚠️ multiseries.movingAvg.3series: 22.59 ms (baseline: 12.75 ms, +77.2%) ⚠️ multiseries.rdp.3series: 31.38 ms (baseline: 17.40 ms, +80.3%) multiseries.movingAvg.5series: 29.47 ms (baseline: 25.55 ms, +15.4%) multiseries.rdp.5series: 39.66 ms (baseline: 34.84 ms, +13.8%) 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: 43.74 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: 0.027 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: 0.039 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: 20.27 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: 2026-08-07T20:00:51Z [INFO] ------------------------------------------------------------------------