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=25.2.5 -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 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: 2.792 s [INFO] Finished at: 2026-08-10T07:12:53Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2.5 -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 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 -> 25.2.5 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.364 s [INFO] Finished at: 2026-08-10T07:13:00Z [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 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: 2026-08-10T05:35:29.570031896Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:13:39.392 [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 | 3.04 ms | 2.67 ms | 2.99 ms 1,000 | 3.77 ms | 3.36 ms | 2.81 ms 10,000 | 27.16 ms | 2.69 ms | 4.46 ms 49,871 | 48.65 ms | 5.85 ms | 21.89 ms 97,643 | 38.11 ms | 7.16 ms | 20.41 ms 495,995 | 250.66 ms | 95.31 ms | 59.01 ms 944,282 | 537.53 ms | 153.07 ms | 112.34 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 | 456.6 µs | 3.88 ms | 4.34 ms 10,000 | 1.72 ms | 664.9 µs | 2.38 ms 50,000 | 11.41 ms | 667.5 µs | 12.08 ms 100,000 | 20.49 ms | 1.50 ms | 21.98 ms 500,000 | 47.30 ms | 2.54 ms | 49.84 ms 948,423 | 61.22 ms | 1.86 ms | 63.08 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 | 8.27 ms ( 1.0x) | 719.2 µs ( 1.1x) | 5.88 ms ( 8.0x) 2x | 19,996 | 19.26 ms ( 2.4x) | 1.19 ms ( 1.8x) | 1.13 ms ( 1.5x) 5x | 49,871 | 21.36 ms ( 2.6x) | 3.53 ms ( 5.5x) | 3.80 ms ( 5.2x) 10x | 97,643 | 54.74 ms ( 6.8x) | 7.06 ms (10.9x) | 4.97 ms ( 6.8x) 20x | 196,569 | 82.61 ms (10.2x) | 19.54 ms (30.2x) | 11.34 ms (15.5x) 50x | 495,995 | 283.21 ms (35.0x) | 57.83 ms (89.2x) | 54.58 ms (74.4x) 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 | 242.0 µs | 5 | 280.7 µs 10,000 | 5 | 2.93 ms | 5 | 2.52 ms 97,643 | 5 | 12.10 ms | 5 | 5.23 ms 495,995 | 5 | 57.19 ms | 5 | 84.69 ms 944,282 | 5 | 108.73 ms | 5 | 143.40 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 | 7.36 ms | 5.26 ms 2 | 12.82 ms | 26.60 ms 3 | 18.04 ms | 37.76 ms 5 | 43.40 ms | 45.00 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.04 ms (baseline: 1.71 ms, +77.7%) sparkline.movingAvg.100: 2.67 ms (baseline: 2.52 ms, +5.8%) ⚠️ sparkline.rdp.100: 2.99 ms (baseline: 1.58 ms, +89.1%) sparkline.none.1000: 3.77 ms (baseline: 3.44 ms, +9.5%) ⚠️ sparkline.movingAvg.1000: 3.36 ms (baseline: 1.99 ms, +68.5%) sparkline.rdp.1000: 2.81 ms (baseline: 3.10 ms, -9.4%) ⚠️ sparkline.none.10000: 27.16 ms (baseline: 16.92 ms, +60.5%) ✓ sparkline.movingAvg.10000: 2.69 ms (baseline: 6.02 ms, -55.3%) ✓ sparkline.rdp.10000: 4.46 ms (baseline: 19.57 ms, -77.2%) ⚠️ sparkline.none.50000: 48.65 ms (baseline: 30.75 ms, +58.2%) sparkline.movingAvg.50000: 5.85 ms (baseline: 5.00 ms, +17.0%) sparkline.rdp.50000: 21.89 ms (baseline: 19.58 ms, +11.8%) ✓ sparkline.none.100000: 38.11 ms (baseline: 66.12 ms, -42.4%) ✓ sparkline.movingAvg.100000: 7.16 ms (baseline: 11.51 ms, -37.8%) ⚠️ sparkline.rdp.100000: 20.41 ms (baseline: 10.51 ms, +94.2%) sparkline.none.500000: 250.66 ms (baseline: 270.04 ms, -7.2%) ✓ sparkline.movingAvg.500000: 95.31 ms (baseline: 112.38 ms, -15.2%) sparkline.rdp.500000: 59.01 ms (baseline: 55.24 ms, +6.8%) sparkline.none.948423: 537.53 ms (baseline: 481.29 ms, +11.7%) sparkline.movingAvg.948423: 153.07 ms (baseline: 161.11 ms, -5.0%) ✓ sparkline.rdp.948423: 112.34 ms (baseline: 126.90 ms, -11.5%) ✓ windrose.aggregation.1000: 456.6 µs (baseline: 1.69 ms, -72.9%) ⚠️ windrose.draw.1000: 3.88 ms (baseline: 1.56 ms, +148.7%) ✓ windrose.aggregation.10000: 1.72 ms (baseline: 3.61 ms, -52.4%) ✓ windrose.draw.10000: 664.9 µs (baseline: 1.85 ms, -64.1%) ✓ windrose.aggregation.50000: 11.41 ms (baseline: 20.79 ms, -45.1%) ✓ windrose.draw.50000: 667.5 µs (baseline: 1.18 ms, -43.6%) ⚠️ windrose.aggregation.100000: 20.49 ms (baseline: 6.17 ms, +232.2%) ⚠️ windrose.draw.100000: 1.50 ms (baseline: 635.8 µs, +135.3%) ⚠️ windrose.aggregation.500000: 47.30 ms (baseline: 18.78 ms, +151.9%) ⚠️ windrose.draw.500000: 2.54 ms (baseline: 567.3 µs, +347.9%) ⚠️ windrose.aggregation.948423: 61.22 ms (baseline: 37.78 ms, +62.1%) ⚠️ windrose.draw.948423: 1.86 ms (baseline: 604.5 µs, +207.6%) ✓ scaling.none.1x: 8.27 ms (baseline: 29.35 ms, -71.8%) ✓ scaling.movingAvg.1x: 719.2 µs (baseline: 2.68 ms, -73.2%) ⚠️ scaling.rdp.1x: 5.88 ms (baseline: 4.13 ms, +42.4%) scaling.none.2x: 19.26 ms (baseline: 19.88 ms, -3.1%) ✓ scaling.movingAvg.2x: 1.19 ms (baseline: 4.66 ms, -74.4%) ✓ scaling.rdp.2x: 1.13 ms (baseline: 3.92 ms, -71.3%) ✓ scaling.none.5x: 21.36 ms (baseline: 33.88 ms, -36.9%) scaling.movingAvg.5x: 3.53 ms (baseline: 3.35 ms, +5.5%) ✓ scaling.rdp.5x: 3.80 ms (baseline: 7.03 ms, -46.0%) ⚠️ scaling.none.10x: 54.74 ms (baseline: 38.13 ms, +43.5%) ✓ scaling.movingAvg.10x: 7.06 ms (baseline: 9.16 ms, -22.9%) scaling.rdp.10x: 4.97 ms (baseline: 5.03 ms, -1.2%) scaling.none.20x: 82.61 ms (baseline: 73.56 ms, +12.3%) ✓ scaling.movingAvg.20x: 19.54 ms (baseline: 22.61 ms, -13.6%) scaling.rdp.20x: 11.34 ms (baseline: 10.84 ms, +4.6%) scaling.none.50x: 283.21 ms (baseline: 268.54 ms, +5.5%) scaling.movingAvg.50x: 57.83 ms (baseline: 61.20 ms, -5.5%) ✓ scaling.rdp.50x: 54.58 ms (baseline: 79.65 ms, -31.5%) ✓ multiseries.movingAvg.1series: 7.36 ms (baseline: 24.12 ms, -69.5%) ⚠️ multiseries.rdp.1series: 5.26 ms (baseline: 4.07 ms, +29.2%) ✓ multiseries.movingAvg.2series: 12.82 ms (baseline: 17.78 ms, -27.9%) ⚠️ multiseries.rdp.2series: 26.60 ms (baseline: 16.75 ms, +58.8%) multiseries.movingAvg.3series: 18.04 ms (baseline: 17.07 ms, +5.7%) ⚠️ multiseries.rdp.3series: 37.76 ms (baseline: 20.20 ms, +87.0%) ⚠️ multiseries.movingAvg.5series: 43.40 ms (baseline: 29.04 ms, +49.5%) multiseries.rdp.5series: 45.00 ms (baseline: 45.44 ms, -1.0%) 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: 45.31 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: 0.013 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: 0.015 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: 21.21 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: 01:17 min [INFO] Finished at: 2026-08-10T07:14:28Z [INFO] ------------------------------------------------------------------------