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 93c9895 [maven-release-plugin] prepare for next development iteration $ mvn versions:set-property -Dproperty=vaadin.version -DnewVersion=25.3.2 -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:1.2.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 98, 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 1.2.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- versions:2.23.0:set-property (default-cli) @ svg-visualizations --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.448 s [INFO] Finished at: 2026-10-12T13:53:21Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.3.2 -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:1.2.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 98, 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 1.2.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- versions:2.23.0: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:1.2.1-SNAPSHOT -> 25.3.2 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.680 s [INFO] Finished at: 2026-10-12T13:53:28Z [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:1.2.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 98, 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 1.2.1-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:1.2.1-SNAPSHOT... [INFO] [INFO] --- compiler:3.13.0:compile (default-compile) @ svg-visualizations --- [INFO] Recompiling the module because of changed source code. [INFO] Compiling 3 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 17 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.SparkLineGeometryTest [INFO] Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.168 s -- in org.vaadin.svgvis.SparkLineGeometryTest [INFO] Running org.vaadin.svgvis.RenderingPerformanceTest Loaded 948423 weather records === System Information === CPU Model: AMD EPYC-Rome Processor CPU Cores: 4 OS: Linux 6.8.0-146-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-10-12T11:54:41.851669293Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 13:54:09.205 [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 | 1.83 ms | 4.18 ms | 3.15 ms 1,000 | 6.96 ms | 2.70 ms | 2.35 ms 10,000 | 18.18 ms | 3.20 ms | 21.90 ms 49,871 | 49.87 ms | 1.26 ms | 36.78 ms 97,643 | 94.17 ms | 1.96 ms | 5.81 ms 495,995 | 359.12 ms | 13.73 ms | 78.31 ms 944,282 | 667.74 ms | 20.05 ms | 85.22 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 | 1.17 ms | 872.1 µs | 2.04 ms 10,000 | 7.40 ms | 639.3 µs | 8.04 ms 50,000 | 25.62 ms | 2.22 ms | 27.85 ms 100,000 | 13.81 ms | 1.48 ms | 15.29 ms 500,000 | 41.38 ms | 1.44 ms | 42.81 ms 948,423 | 82.81 ms | 1.83 ms | 84.64 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 | 7.24 ms ( 0.5x) | 444.4 µs ( 0.3x) | 3.05 ms ( 1.9x) 2x | 19,996 | 13.81 ms ( 1.0x) | 346.1 µs ( 0.3x) | 1.15 ms ( 0.7x) 5x | 49,871 | 30.47 ms ( 2.3x) | 2.25 ms ( 1.7x) | 2.89 ms ( 1.8x) 10x | 97,643 | 75.45 ms ( 5.7x) | 2.92 ms ( 2.2x) | 16.58 ms (10.3x) 20x | 196,569 | 81.58 ms ( 6.2x) | 3.70 ms ( 2.8x) | 21.60 ms (13.5x) 50x | 495,995 | 290.74 ms (22.0x) | 7.44 ms ( 5.6x) | 62.35 ms (38.9x) 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 | 191.1 µs | 5 | 879.7 µs 10,000 | 5 | 264.3 µs | 5 | 991.8 µs 97,643 | 5 | 2.49 ms | 5 | 10.31 ms 495,995 | 5 | 5.91 ms | 5 | 49.30 ms 944,282 | 5 | 19.63 ms | 5 | 116.41 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 | 1.49 ms | 8.12 ms 2 | 4.90 ms | 28.00 ms 3 | 4.56 ms | 26.02 ms 5 | 4.79 ms | 61.76 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 1.83 ms (baseline: 1.34 ms, +36.4%) ⚠️ sparkline.movingAvg.100: 4.18 ms (baseline: 1.26 ms, +232.4%) ⚠️ sparkline.rdp.100: 3.15 ms (baseline: 2.34 ms, +34.5%) ⚠️ sparkline.none.1000: 6.96 ms (baseline: 3.40 ms, +104.7%) sparkline.movingAvg.1000: 2.70 ms (baseline: 2.71 ms, -0.1%) ✓ sparkline.rdp.1000: 2.35 ms (baseline: 3.85 ms, -38.9%) ⚠️ sparkline.none.10000: 18.18 ms (baseline: 9.53 ms, +90.8%) ⚠️ sparkline.movingAvg.10000: 3.20 ms (baseline: 1.63 ms, +96.8%) ⚠️ sparkline.rdp.10000: 21.90 ms (baseline: 7.72 ms, +183.7%) ⚠️ sparkline.none.50000: 49.87 ms (baseline: 37.27 ms, +33.8%) ✓ sparkline.movingAvg.50000: 1.26 ms (baseline: 1.49 ms, -15.7%) ⚠️ sparkline.rdp.50000: 36.78 ms (baseline: 3.96 ms, +829.1%) ⚠️ sparkline.none.100000: 94.17 ms (baseline: 50.83 ms, +85.3%) ⚠️ sparkline.movingAvg.100000: 1.96 ms (baseline: 1.56 ms, +25.7%) ✓ sparkline.rdp.100000: 5.81 ms (baseline: 6.80 ms, -14.5%) sparkline.none.500000: 359.12 ms (baseline: 332.75 ms, +7.9%) ⚠️ sparkline.movingAvg.500000: 13.73 ms (baseline: 6.64 ms, +106.8%) ⚠️ sparkline.rdp.500000: 78.31 ms (baseline: 48.35 ms, +62.0%) sparkline.none.948423: 667.74 ms (baseline: 725.57 ms, -8.0%) ⚠️ sparkline.movingAvg.948423: 20.05 ms (baseline: 14.43 ms, +38.9%) ✓ sparkline.rdp.948423: 85.22 ms (baseline: 131.12 ms, -35.0%) ✓ windrose.aggregation.1000: 1.17 ms (baseline: 5.24 ms, -77.8%) ✓ windrose.draw.1000: 872.1 µs (baseline: 3.01 ms, -71.1%) windrose.aggregation.10000: 7.40 ms (baseline: 6.60 ms, +12.2%) ✓ windrose.draw.10000: 639.3 µs (baseline: 3.49 ms, -81.7%) windrose.aggregation.50000: 25.62 ms (baseline: 27.03 ms, -5.2%) ⚠️ windrose.draw.50000: 2.22 ms (baseline: 1.62 ms, +37.2%) ⚠️ windrose.aggregation.100000: 13.81 ms (baseline: 10.52 ms, +31.3%) ✓ windrose.draw.100000: 1.48 ms (baseline: 2.59 ms, -43.0%) ✓ windrose.aggregation.500000: 41.38 ms (baseline: 63.18 ms, -34.5%) ✓ windrose.draw.500000: 1.44 ms (baseline: 1.93 ms, -25.5%) windrose.aggregation.948423: 82.81 ms (baseline: 72.74 ms, +13.8%) ⚠️ windrose.draw.948423: 1.83 ms (baseline: 1.37 ms, +33.7%) ⚠️ scaling.none.1x: 7.24 ms (baseline: 4.27 ms, +69.6%) ⚠️ scaling.movingAvg.1x: 444.4 µs (baseline: 308.4 µs, +44.1%) ⚠️ scaling.rdp.1x: 3.05 ms (baseline: 807.8 µs, +277.0%) ⚠️ scaling.none.2x: 13.81 ms (baseline: 9.95 ms, +38.9%) ✓ scaling.movingAvg.2x: 346.1 µs (baseline: 488.3 µs, -29.1%) ✓ scaling.rdp.2x: 1.15 ms (baseline: 1.50 ms, -23.6%) scaling.none.5x: 30.47 ms (baseline: 28.14 ms, +8.3%) ⚠️ scaling.movingAvg.5x: 2.25 ms (baseline: 702.4 µs, +219.9%) scaling.rdp.5x: 2.89 ms (baseline: 2.85 ms, +1.5%) scaling.none.10x: 75.45 ms (baseline: 65.98 ms, +14.4%) ⚠️ scaling.movingAvg.10x: 2.92 ms (baseline: 1.07 ms, +172.0%) ⚠️ scaling.rdp.10x: 16.58 ms (baseline: 4.98 ms, +232.8%) scaling.none.20x: 81.58 ms (baseline: 74.09 ms, +10.1%) ✓ scaling.movingAvg.20x: 3.70 ms (baseline: 4.14 ms, -10.7%) ⚠️ scaling.rdp.20x: 21.60 ms (baseline: 17.16 ms, +25.9%) scaling.none.50x: 290.74 ms (baseline: 280.97 ms, +3.5%) ⚠️ scaling.movingAvg.50x: 7.44 ms (baseline: 5.29 ms, +40.7%) ⚠️ scaling.rdp.50x: 62.35 ms (baseline: 48.73 ms, +28.0%) ⚠️ multiseries.movingAvg.1series: 1.49 ms (baseline: 1.16 ms, +28.1%) ⚠️ multiseries.rdp.1series: 8.12 ms (baseline: 4.85 ms, +67.2%) ⚠️ multiseries.movingAvg.2series: 4.90 ms (baseline: 3.05 ms, +60.5%) multiseries.rdp.2series: 28.00 ms (baseline: 28.56 ms, -1.9%) ⚠️ multiseries.movingAvg.3series: 4.56 ms (baseline: 3.37 ms, +35.3%) ✓ multiseries.rdp.3series: 26.02 ms (baseline: 34.93 ms, -25.5%) multiseries.movingAvg.5series: 4.79 ms (baseline: 4.76 ms, +0.5%) ⚠️ multiseries.rdp.5series: 61.76 ms (baseline: 48.18 ms, +28.2%) 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: 44.94 s -- in org.vaadin.svgvis.RenderingPerformanceTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineDrawingTest [INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.983 s -- in org.vaadin.svgvis.unit.SvgSparkLineDrawingTest [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: 0.036 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: 22.01 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 41, 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-1.2.1-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:23 min [INFO] Finished at: 2026-10-12T13:55:02Z [INFO] ------------------------------------------------------------------------