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-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:1.2.1-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:2.22.0:set-property (default-cli) @ svg-visualizations --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.829 s [INFO] Finished at: 2026-10-10T13:29:09Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.3-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:1.2.1-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:2.22.0: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-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.866 s [INFO] Finished at: 2026-10-10T13:29:16Z [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:1.2.1-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: 0.206 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 6.8.0-142-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-10-10T11:38:55.316020361Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 13:30:00.287 [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 | 4.38 ms | 4.76 ms | 1.09 ms 1,000 | 6.16 ms | 4.14 ms | 4.31 ms 10,000 | 34.47 ms | 4.78 ms | 16.35 ms 49,871 | 33.93 ms | 4.94 ms | 17.78 ms 97,643 | 58.54 ms | 2.73 ms | 19.60 ms 495,995 | 417.80 ms | 11.28 ms | 79.69 ms 944,282 | 667.66 ms | 17.60 ms | 85.12 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 | 335.7 µs | 3.36 ms | 3.70 ms 10,000 | 1.70 ms | 4.22 ms | 5.91 ms 50,000 | 32.59 ms | 545.7 µs | 33.14 ms 100,000 | 7.27 ms | 530.5 µs | 7.80 ms 500,000 | 52.72 ms | 1.21 ms | 53.94 ms 948,423 | 46.92 ms | 458.8 µs | 47.38 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 | 4.26 ms ( 0.3x) | 293.8 µs ( 0.4x) | 1.37 ms ( 1.8x) 2x | 19,996 | 12.16 ms ( 1.0x) | 500.8 µs ( 0.6x) | 1.63 ms ( 2.1x) 5x | 49,871 | 36.36 ms ( 2.9x) | 1.23 ms ( 1.5x) | 5.03 ms ( 6.6x) 10x | 97,643 | 101.35 ms ( 8.1x) | 3.14 ms ( 3.8x) | 5.62 ms ( 7.4x) 20x | 196,569 | 136.91 ms (11.0x) | 2.09 ms ( 2.5x) | 64.04 ms (84.2x) 50x | 495,995 | 315.94 ms (25.3x) | 4.77 ms ( 5.8x) | 67.80 ms (89.2x) 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 | 197.3 µs | 5 | 310.0 µs 10,000 | 5 | 776.5 µs | 5 | 3.51 ms 97,643 | 5 | 4.92 ms | 5 | 5.32 ms 495,995 | 5 | 7.52 ms | 5 | 27.52 ms 944,282 | 5 | 12.95 ms | 5 | 110.70 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 | 3.14 ms | 8.79 ms 2 | 1.85 ms | 28.03 ms 3 | 5.64 ms | 29.34 ms 5 | 7.60 ms | 46.12 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 4.38 ms (baseline: 4.05 ms, +8.3%) ✓ sparkline.movingAvg.100: 4.76 ms (baseline: 6.37 ms, -25.2%) ✓ sparkline.rdp.100: 1.09 ms (baseline: 2.86 ms, -61.7%) ✓ sparkline.none.1000: 6.16 ms (baseline: 12.88 ms, -52.2%) ✓ sparkline.movingAvg.1000: 4.14 ms (baseline: 7.53 ms, -45.0%) ✓ sparkline.rdp.1000: 4.31 ms (baseline: 6.61 ms, -34.8%) ⚠️ sparkline.none.10000: 34.47 ms (baseline: 26.29 ms, +31.1%) ⚠️ sparkline.movingAvg.10000: 4.78 ms (baseline: 3.69 ms, +29.7%) ✓ sparkline.rdp.10000: 16.35 ms (baseline: 26.76 ms, -38.9%) ✓ sparkline.none.50000: 33.93 ms (baseline: 45.16 ms, -24.9%) ✓ sparkline.movingAvg.50000: 4.94 ms (baseline: 11.78 ms, -58.1%) ✓ sparkline.rdp.50000: 17.78 ms (baseline: 30.16 ms, -41.0%) sparkline.none.100000: 58.54 ms (baseline: 60.32 ms, -2.9%) ✓ sparkline.movingAvg.100000: 2.73 ms (baseline: 4.75 ms, -42.4%) ⚠️ sparkline.rdp.100000: 19.60 ms (baseline: 7.48 ms, +161.9%) sparkline.none.500000: 417.80 ms (baseline: 350.28 ms, +19.3%) ⚠️ sparkline.movingAvg.500000: 11.28 ms (baseline: 6.80 ms, +65.8%) ⚠️ sparkline.rdp.500000: 79.69 ms (baseline: 47.88 ms, +66.4%) sparkline.none.948423: 667.66 ms (baseline: 644.62 ms, +3.6%) ⚠️ sparkline.movingAvg.948423: 17.60 ms (baseline: 11.45 ms, +53.8%) sparkline.rdp.948423: 85.12 ms (baseline: 81.88 ms, +4.0%) ✓ windrose.aggregation.1000: 335.7 µs (baseline: 1.54 ms, -78.3%) ✓ windrose.draw.1000: 3.36 ms (baseline: 3.89 ms, -13.7%) ✓ windrose.aggregation.10000: 1.70 ms (baseline: 5.43 ms, -68.8%) ⚠️ windrose.draw.10000: 4.22 ms (baseline: 771.9 µs, +446.1%) ⚠️ windrose.aggregation.50000: 32.59 ms (baseline: 18.47 ms, +76.5%) ✓ windrose.draw.50000: 545.7 µs (baseline: 1.90 ms, -71.3%) ⚠️ windrose.aggregation.100000: 7.27 ms (baseline: 4.45 ms, +63.3%) windrose.draw.100000: 530.5 µs (baseline: 539.5 µs, -1.7%) ⚠️ windrose.aggregation.500000: 52.72 ms (baseline: 43.49 ms, +21.2%) ⚠️ windrose.draw.500000: 1.21 ms (baseline: 983.1 µs, +23.5%) ✓ windrose.aggregation.948423: 46.92 ms (baseline: 74.28 ms, -36.8%) ✓ windrose.draw.948423: 458.8 µs (baseline: 553.1 µs, -17.0%) ✓ scaling.none.1x: 4.26 ms (baseline: 16.21 ms, -73.8%) ✓ scaling.movingAvg.1x: 293.8 µs (baseline: 1.53 ms, -80.8%) ✓ scaling.rdp.1x: 1.37 ms (baseline: 3.61 ms, -62.1%) ⚠️ scaling.none.2x: 12.16 ms (baseline: 8.55 ms, +42.2%) ✓ scaling.movingAvg.2x: 500.8 µs (baseline: 1.22 ms, -59.0%) ✓ scaling.rdp.2x: 1.63 ms (baseline: 2.19 ms, -25.9%) scaling.none.5x: 36.36 ms (baseline: 36.19 ms, +0.5%) ✓ scaling.movingAvg.5x: 1.23 ms (baseline: 2.16 ms, -43.0%) scaling.rdp.5x: 5.03 ms (baseline: 4.63 ms, +8.7%) ⚠️ scaling.none.10x: 101.35 ms (baseline: 51.29 ms, +97.6%) ⚠️ scaling.movingAvg.10x: 3.14 ms (baseline: 2.46 ms, +27.9%) scaling.rdp.10x: 5.62 ms (baseline: 5.81 ms, -3.3%) scaling.none.20x: 136.91 ms (baseline: 140.90 ms, -2.8%) ✓ scaling.movingAvg.20x: 2.09 ms (baseline: 3.07 ms, -31.7%) ⚠️ scaling.rdp.20x: 64.04 ms (baseline: 22.69 ms, +182.3%) scaling.none.50x: 315.94 ms (baseline: 327.04 ms, -3.4%) ✓ scaling.movingAvg.50x: 4.77 ms (baseline: 13.78 ms, -65.4%) ✓ scaling.rdp.50x: 67.80 ms (baseline: 77.83 ms, -12.9%) multiseries.movingAvg.1series: 3.14 ms (baseline: 2.82 ms, +11.1%) ⚠️ multiseries.rdp.1series: 8.79 ms (baseline: 5.16 ms, +70.3%) ✓ multiseries.movingAvg.2series: 1.85 ms (baseline: 4.44 ms, -58.3%) ⚠️ multiseries.rdp.2series: 28.03 ms (baseline: 20.57 ms, +36.3%) ✓ multiseries.movingAvg.3series: 5.64 ms (baseline: 8.71 ms, -35.3%) ✓ multiseries.rdp.3series: 29.34 ms (baseline: 43.23 ms, -32.1%) ⚠️ multiseries.movingAvg.5series: 7.60 ms (baseline: 6.15 ms, +23.6%) multiseries.rdp.5series: 46.12 ms (baseline: 45.97 ms, +0.3%) 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: 46.68 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: 4.003 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: 0.031 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: 0.059 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: 21.74 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: 01:25 min [INFO] Finished at: 2026-10-10T13:30:54Z [INFO] ------------------------------------------------------------------------