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: 2.932 s [INFO] Finished at: 2026-08-11T14:40:50Z [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: 2.465 s [INFO] Finished at: 2026-08-11T14:40:56Z [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: 2026-08-11T14:29:39.202953009Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 14:41:38.940 [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 | 1.71 ms | 4.76 ms | 3.78 ms 1,000 | 8.08 ms | 1.59 ms | 3.44 ms 10,000 | 18.19 ms | 3.92 ms | 4.60 ms 49,871 | 45.72 ms | 2.66 ms | 27.72 ms 97,643 | 64.53 ms | 9.56 ms | 65.81 ms 495,995 | 325.29 ms | 66.77 ms | 72.84 ms 944,282 | 628.39 ms | 164.96 ms | 134.50 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 | 724.1 µs | 2.18 ms | 2.90 ms 10,000 | 2.06 ms | 950.1 µs | 3.01 ms 50,000 | 25.32 ms | 3.83 ms | 29.14 ms 100,000 | 8.59 ms | 1.12 ms | 9.72 ms 500,000 | 32.14 ms | 937.6 µs | 33.08 ms 948,423 | 96.53 ms | 1.45 ms | 97.98 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 | 5.65 ms ( 0.4x) | 988.7 µs ( 0.5x) | 1.69 ms ( 0.9x) 2x | 19,996 | 9.32 ms ( 0.7x) | 2.22 ms ( 1.2x) | 2.16 ms ( 1.1x) 5x | 49,871 | 42.50 ms ( 3.1x) | 6.04 ms ( 3.3x) | 4.13 ms ( 2.1x) 10x | 97,643 | 67.32 ms ( 4.9x) | 5.89 ms ( 3.2x) | 5.38 ms ( 2.8x) 20x | 196,569 | 106.54 ms ( 7.7x) | 10.74 ms ( 5.8x) | 10.72 ms ( 5.6x) 50x | 495,995 | 253.40 ms (18.3x) | 57.21 ms (31.0x) | 66.41 ms (34.5x) 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 | 265.1 µs | 5 | 267.0 µs 10,000 | 5 | 2.71 ms | 5 | 1.56 ms 97,643 | 5 | 17.14 ms | 5 | 19.96 ms 495,995 | 5 | 59.12 ms | 5 | 73.03 ms 944,282 | 5 | 132.70 ms | 5 | 89.55 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 | 6.31 ms | 6.87 ms 2 | 9.16 ms | 11.78 ms 3 | 34.63 ms | 46.84 ms 5 | 40.30 ms | 40.69 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 1.71 ms (baseline: 1.17 ms, +45.7%) ⚠️ sparkline.movingAvg.100: 4.76 ms (baseline: 1.49 ms, +219.1%) ⚠️ sparkline.rdp.100: 3.78 ms (baseline: 915.9 µs, +312.7%) ⚠️ sparkline.none.1000: 8.08 ms (baseline: 2.08 ms, +288.8%) ⚠️ sparkline.movingAvg.1000: 1.59 ms (baseline: 1.25 ms, +26.9%) ⚠️ sparkline.rdp.1000: 3.44 ms (baseline: 1.42 ms, +142.0%) ⚠️ sparkline.none.10000: 18.19 ms (baseline: 11.41 ms, +59.3%) ⚠️ sparkline.movingAvg.10000: 3.92 ms (baseline: 1.86 ms, +111.1%) ✓ sparkline.rdp.10000: 4.60 ms (baseline: 10.90 ms, -57.8%) ⚠️ sparkline.none.50000: 45.72 ms (baseline: 24.69 ms, +85.2%) ✓ sparkline.movingAvg.50000: 2.66 ms (baseline: 3.42 ms, -22.3%) ✓ sparkline.rdp.50000: 27.72 ms (baseline: 36.86 ms, -24.8%) ⚠️ sparkline.none.100000: 64.53 ms (baseline: 37.71 ms, +71.1%) ⚠️ sparkline.movingAvg.100000: 9.56 ms (baseline: 6.27 ms, +52.4%) ⚠️ sparkline.rdp.100000: 65.81 ms (baseline: 4.87 ms, +1250.2%) ⚠️ sparkline.none.500000: 325.29 ms (baseline: 216.80 ms, +50.0%) ⚠️ sparkline.movingAvg.500000: 66.77 ms (baseline: 38.55 ms, +73.2%) ⚠️ sparkline.rdp.500000: 72.84 ms (baseline: 48.63 ms, +49.8%) ⚠️ sparkline.none.948423: 628.39 ms (baseline: 367.39 ms, +71.0%) ⚠️ sparkline.movingAvg.948423: 164.96 ms (baseline: 89.46 ms, +84.4%) ⚠️ sparkline.rdp.948423: 134.50 ms (baseline: 63.01 ms, +113.4%) ⚠️ windrose.aggregation.1000: 724.1 µs (baseline: 438.6 µs, +65.1%) ⚠️ windrose.draw.1000: 2.18 ms (baseline: 629.4 µs, +246.1%) ⚠️ windrose.aggregation.10000: 2.06 ms (baseline: 1.69 ms, +21.8%) ⚠️ windrose.draw.10000: 950.1 µs (baseline: 733.6 µs, +29.5%) ⚠️ windrose.aggregation.50000: 25.32 ms (baseline: 7.93 ms, +219.3%) ⚠️ windrose.draw.50000: 3.83 ms (baseline: 954.9 µs, +300.7%) ⚠️ windrose.aggregation.100000: 8.59 ms (baseline: 3.87 ms, +122.1%) ⚠️ windrose.draw.100000: 1.12 ms (baseline: 523.6 µs, +114.8%) ⚠️ windrose.aggregation.500000: 32.14 ms (baseline: 17.81 ms, +80.5%) ⚠️ windrose.draw.500000: 937.6 µs (baseline: 499.6 µs, +87.7%) ⚠️ windrose.aggregation.948423: 96.53 ms (baseline: 38.39 ms, +151.5%) ⚠️ windrose.draw.948423: 1.45 ms (baseline: 581.5 µs, +149.8%) ✓ scaling.none.1x: 5.65 ms (baseline: 6.49 ms, -13.0%) ⚠️ scaling.movingAvg.1x: 988.7 µs (baseline: 603.5 µs, +63.8%) ⚠️ scaling.rdp.1x: 1.69 ms (baseline: 569.3 µs, +196.3%) ⚠️ scaling.none.2x: 9.32 ms (baseline: 7.11 ms, +31.1%) ⚠️ scaling.movingAvg.2x: 2.22 ms (baseline: 1.13 ms, +96.3%) ⚠️ scaling.rdp.2x: 2.16 ms (baseline: 904.6 µs, +139.3%) ⚠️ scaling.none.5x: 42.50 ms (baseline: 17.35 ms, +145.0%) ⚠️ scaling.movingAvg.5x: 6.04 ms (baseline: 2.33 ms, +159.3%) ⚠️ scaling.rdp.5x: 4.13 ms (baseline: 2.13 ms, +93.8%) ⚠️ scaling.none.10x: 67.32 ms (baseline: 35.95 ms, +87.2%) ⚠️ scaling.movingAvg.10x: 5.89 ms (baseline: 4.56 ms, +29.2%) ⚠️ scaling.rdp.10x: 5.38 ms (baseline: 4.22 ms, +27.5%) ⚠️ scaling.none.20x: 106.54 ms (baseline: 65.35 ms, +63.0%) scaling.movingAvg.20x: 10.74 ms (baseline: 9.33 ms, +15.1%) scaling.rdp.20x: 10.72 ms (baseline: 9.83 ms, +9.1%) ⚠️ scaling.none.50x: 253.40 ms (baseline: 172.94 ms, +46.5%) ⚠️ scaling.movingAvg.50x: 57.21 ms (baseline: 35.47 ms, +61.3%) ⚠️ scaling.rdp.50x: 66.41 ms (baseline: 44.43 ms, +49.5%) ⚠️ multiseries.movingAvg.1series: 6.31 ms (baseline: 5.02 ms, +25.7%) ⚠️ multiseries.rdp.1series: 6.87 ms (baseline: 5.03 ms, +36.6%) multiseries.movingAvg.2series: 9.16 ms (baseline: 8.91 ms, +2.8%) ✓ multiseries.rdp.2series: 11.78 ms (baseline: 13.16 ms, -10.5%) ⚠️ multiseries.movingAvg.3series: 34.63 ms (baseline: 12.06 ms, +187.1%) ⚠️ multiseries.rdp.3series: 46.84 ms (baseline: 20.41 ms, +129.5%) ⚠️ multiseries.movingAvg.5series: 40.30 ms (baseline: 24.77 ms, +62.7%) ⚠️ multiseries.rdp.5series: 40.69 ms (baseline: 29.56 ms, +37.6%) 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: 48.54 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: 0.025 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: 0.032 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: 01:22 min [INFO] Finished at: 2026-08-11T14:42:30Z [INFO] ------------------------------------------------------------------------