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=25.2.1 -DgenerateBackupPoms=false -B --no-transfer-progress [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: 2.556 s [INFO] Finished at: 2026-07-05T07:06:38Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2.1 -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress [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 -> 25.2.1 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.311 s [INFO] Finished at: 2026-07-05T07:06:43Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress -DskipPerformanceValidation=true [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 6.8.0-134-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-07-05T05:29:55.231219210Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:07:21.238 [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 | 1.43 ms | 4.07 ms | 4.51 ms 1,000 | 8.99 ms | 2.17 ms | 4.15 ms 10,000 | 22.08 ms | 4.22 ms | 8.47 ms 49,871 | 48.40 ms | 4.08 ms | 74.60 ms 97,643 | 82.11 ms | 5.35 ms | 8.93 ms 495,995 | 381.11 ms | 39.77 ms | 36.05 ms 944,282 | 665.77 ms | 126.64 ms | 187.83 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 | 6.78 ms | 1.80 ms | 8.58 ms 10,000 | 5.40 ms | 3.25 ms | 8.65 ms 50,000 | 26.66 ms | 3.95 ms | 30.61 ms 100,000 | 23.18 ms | 1.28 ms | 24.46 ms 500,000 | 46.80 ms | 582.9 µs | 47.38 ms 948,423 | 107.32 ms | 712.8 µs | 108.03 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 | 7.55 ms ( 0.7x) | 1.33 ms ( 0.9x) | 1.50 ms ( 0.4x) 2x | 19,996 | 16.74 ms ( 1.6x) | 2.60 ms ( 1.8x) | 1.24 ms ( 0.3x) 5x | 49,871 | 29.99 ms ( 2.8x) | 4.84 ms ( 3.4x) | 6.79 ms ( 1.7x) 10x | 97,643 | 55.42 ms ( 5.2x) | 7.74 ms ( 5.4x) | 13.11 ms ( 3.4x) 20x | 196,569 | 99.45 ms ( 9.3x) | 14.40 ms (10.1x) | 19.26 ms ( 4.9x) 50x | 495,995 | 340.42 ms (31.7x) | 35.63 ms (25.0x) | 33.35 ms ( 8.5x) 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 | 862.8 µs | 5 | 1.12 ms 10,000 | 5 | 2.59 ms | 5 | 622.3 µs 97,643 | 5 | 10.12 ms | 5 | 8.84 ms 495,995 | 5 | 64.88 ms | 5 | 124.29 ms 944,282 | 5 | 129.99 ms | 5 | 61.79 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 | 7.96 ms | 8.84 ms 2 | 10.65 ms | 27.63 ms 3 | 30.11 ms | 22.13 ms 5 | 30.16 ms | 33.69 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.43 ms (baseline: 1.84 ms, -22.4%) sparkline.movingAvg.100: 4.07 ms (baseline: 4.37 ms, -6.8%) ⚠️ sparkline.rdp.100: 4.51 ms (baseline: 3.70 ms, +21.9%) ⚠️ sparkline.none.1000: 8.99 ms (baseline: 3.76 ms, +138.9%) ⚠️ sparkline.movingAvg.1000: 2.17 ms (baseline: 1.67 ms, +29.5%) ✓ sparkline.rdp.1000: 4.15 ms (baseline: 4.80 ms, -13.6%) ⚠️ sparkline.none.10000: 22.08 ms (baseline: 18.08 ms, +22.1%) ✓ sparkline.movingAvg.10000: 4.22 ms (baseline: 10.79 ms, -60.9%) sparkline.rdp.10000: 8.47 ms (baseline: 8.35 ms, +1.4%) ⚠️ sparkline.none.50000: 48.40 ms (baseline: 38.85 ms, +24.6%) ✓ sparkline.movingAvg.50000: 4.08 ms (baseline: 11.46 ms, -64.4%) ⚠️ sparkline.rdp.50000: 74.60 ms (baseline: 41.05 ms, +81.8%) ✓ sparkline.none.100000: 82.11 ms (baseline: 126.56 ms, -35.1%) ✓ sparkline.movingAvg.100000: 5.35 ms (baseline: 11.66 ms, -54.1%) ✓ sparkline.rdp.100000: 8.93 ms (baseline: 24.26 ms, -63.2%) sparkline.none.500000: 381.11 ms (baseline: 352.81 ms, +8.0%) ✓ sparkline.movingAvg.500000: 39.77 ms (baseline: 46.96 ms, -15.3%) ⚠️ sparkline.rdp.500000: 36.05 ms (baseline: 23.41 ms, +54.0%) sparkline.none.948423: 665.77 ms (baseline: 609.76 ms, +9.2%) ✓ sparkline.movingAvg.948423: 126.64 ms (baseline: 145.35 ms, -12.9%) ⚠️ sparkline.rdp.948423: 187.83 ms (baseline: 68.53 ms, +174.1%) ⚠️ windrose.aggregation.1000: 6.78 ms (baseline: 4.16 ms, +62.8%) ✓ windrose.draw.1000: 1.80 ms (baseline: 4.62 ms, -61.0%) ⚠️ windrose.aggregation.10000: 5.40 ms (baseline: 3.45 ms, +56.4%) windrose.draw.10000: 3.25 ms (baseline: 3.47 ms, -6.2%) windrose.aggregation.50000: 26.66 ms (baseline: 29.30 ms, -9.0%) ⚠️ windrose.draw.50000: 3.95 ms (baseline: 2.71 ms, +46.1%) ⚠️ windrose.aggregation.100000: 23.18 ms (baseline: 7.89 ms, +193.8%) windrose.draw.100000: 1.28 ms (baseline: 1.42 ms, -9.8%) ⚠️ windrose.aggregation.500000: 46.80 ms (baseline: 26.42 ms, +77.1%) ✓ windrose.draw.500000: 582.9 µs (baseline: 1.12 ms, -47.8%) ⚠️ windrose.aggregation.948423: 107.32 ms (baseline: 48.34 ms, +122.0%) ✓ windrose.draw.948423: 712.8 µs (baseline: 1.11 ms, -35.7%) ✓ scaling.none.1x: 7.55 ms (baseline: 11.36 ms, -33.6%) ⚠️ scaling.movingAvg.1x: 1.33 ms (baseline: 720.1 µs, +84.1%) ⚠️ scaling.rdp.1x: 1.50 ms (baseline: 631.4 µs, +137.2%) scaling.none.2x: 16.74 ms (baseline: 15.74 ms, +6.4%) scaling.movingAvg.2x: 2.60 ms (baseline: 2.70 ms, -3.6%) scaling.rdp.2x: 1.24 ms (baseline: 1.05 ms, +18.1%) scaling.none.5x: 29.99 ms (baseline: 30.82 ms, -2.7%) scaling.movingAvg.5x: 4.84 ms (baseline: 4.49 ms, +7.9%) ⚠️ scaling.rdp.5x: 6.79 ms (baseline: 3.71 ms, +82.8%) scaling.none.10x: 55.42 ms (baseline: 60.80 ms, -8.9%) scaling.movingAvg.10x: 7.74 ms (baseline: 7.75 ms, -0.1%) ⚠️ scaling.rdp.10x: 13.11 ms (baseline: 4.36 ms, +200.7%) ✓ scaling.none.20x: 99.45 ms (baseline: 121.55 ms, -18.2%) ✓ scaling.movingAvg.20x: 14.40 ms (baseline: 16.15 ms, -10.9%) ✓ scaling.rdp.20x: 19.26 ms (baseline: 21.74 ms, -11.4%) scaling.none.50x: 340.42 ms (baseline: 306.84 ms, +10.9%) ✓ scaling.movingAvg.50x: 35.63 ms (baseline: 47.72 ms, -25.3%) ⚠️ scaling.rdp.50x: 33.35 ms (baseline: 21.65 ms, +54.0%) multiseries.movingAvg.1series: 7.96 ms (baseline: 8.65 ms, -7.9%) ⚠️ multiseries.rdp.1series: 8.84 ms (baseline: 3.59 ms, +146.6%) multiseries.movingAvg.2series: 10.65 ms (baseline: 9.18 ms, +16.0%) ⚠️ multiseries.rdp.2series: 27.63 ms (baseline: 21.37 ms, +29.3%) ⚠️ multiseries.movingAvg.3series: 30.11 ms (baseline: 17.17 ms, +75.3%) ✓ multiseries.rdp.3series: 22.13 ms (baseline: 33.41 ms, -33.8%) multiseries.movingAvg.5series: 30.16 ms (baseline: 27.76 ms, +8.7%) ✓ multiseries.rdp.5series: 33.69 ms (baseline: 45.63 ms, -26.2%) 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: 46.80 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: 0.021 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: 22.49 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: 01:20 min [INFO] Finished at: 2026-07-05T07:08:14Z [INFO] ------------------------------------------------------------------------