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: 2.898 s [INFO] Finished at: 2026-08-12T05:44:47Z [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: 2.765 s [INFO] Finished at: 2026-08-12T05:44:54Z [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: 2026-08-12T04:50:49.854330003Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 05:45:35.287 [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 | 3.46 ms | 4.20 ms | 2.50 ms 1,000 | 6.69 ms | 1.36 ms | 2.04 ms 10,000 | 11.36 ms | 2.79 ms | 5.01 ms 49,871 | 33.10 ms | 3.77 ms | 78.35 ms 97,643 | 63.94 ms | 4.86 ms | 66.65 ms 495,995 | 280.25 ms | 46.98 ms | 71.18 ms 944,282 | 527.31 ms | 126.67 ms | 106.10 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 | 424.3 µs | 2.19 ms | 2.61 ms 10,000 | 6.22 ms | 1.66 ms | 7.88 ms 50,000 | 35.12 ms | 2.66 ms | 37.78 ms 100,000 | 17.44 ms | 567.1 µs | 18.01 ms 500,000 | 75.31 ms | 4.61 ms | 79.92 ms 948,423 | 107.81 ms | 608.4 µs | 108.42 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 | 4.49 ms ( 0.4x) | 670.7 µs ( 0.9x) | 837.4 µs ( 1.5x) 2x | 19,996 | 8.29 ms ( 0.7x) | 3.10 ms ( 4.0x) | 1.30 ms ( 2.4x) 5x | 49,871 | 23.91 ms ( 2.0x) | 4.59 ms ( 5.9x) | 22.98 ms (42.0x) 10x | 97,643 | 53.65 ms ( 4.5x) | 11.88 ms (15.4x) | 5.81 ms (10.6x) 20x | 196,569 | 128.88 ms (10.8x) | 30.93 ms (40.0x) | 50.17 ms (91.6x) 50x | 495,995 | 365.77 ms (30.7x) | 52.01 ms (67.2x) | 28.79 ms (52.6x) 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 | 134.2 µs | 5 | 637.1 µs 10,000 | 5 | 780.9 µs | 5 | 524.0 µs 97,643 | 5 | 15.24 ms | 5 | 16.08 ms 495,995 | 5 | 69.39 ms | 5 | 28.52 ms 944,282 | 5 | 165.15 ms | 5 | 145.01 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 | 14.24 ms | 8.05 ms 2 | 15.67 ms | 21.53 ms 3 | 14.09 ms | 21.00 ms 5 | 22.07 ms | 48.13 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.46 ms (baseline: 1.21 ms, +185.4%) ⚠️ sparkline.movingAvg.100: 4.20 ms (baseline: 1.76 ms, +138.9%) ⚠️ sparkline.rdp.100: 2.50 ms (baseline: 1.37 ms, +82.3%) ⚠️ sparkline.none.1000: 6.69 ms (baseline: 3.18 ms, +110.4%) ✓ sparkline.movingAvg.1000: 1.36 ms (baseline: 2.51 ms, -45.7%) ✓ sparkline.rdp.1000: 2.04 ms (baseline: 2.60 ms, -21.6%) ✓ sparkline.none.10000: 11.36 ms (baseline: 12.72 ms, -10.7%) sparkline.movingAvg.10000: 2.79 ms (baseline: 2.44 ms, +14.4%) ⚠️ sparkline.rdp.10000: 5.01 ms (baseline: 3.50 ms, +43.0%) ⚠️ sparkline.none.50000: 33.10 ms (baseline: 19.60 ms, +68.9%) ⚠️ sparkline.movingAvg.50000: 3.77 ms (baseline: 2.90 ms, +30.0%) ⚠️ sparkline.rdp.50000: 78.35 ms (baseline: 19.12 ms, +309.8%) ⚠️ sparkline.none.100000: 63.94 ms (baseline: 38.58 ms, +65.7%) ✓ sparkline.movingAvg.100000: 4.86 ms (baseline: 6.66 ms, -27.1%) ⚠️ sparkline.rdp.100000: 66.65 ms (baseline: 17.33 ms, +284.7%) ⚠️ sparkline.none.500000: 280.25 ms (baseline: 185.06 ms, +51.4%) ⚠️ sparkline.movingAvg.500000: 46.98 ms (baseline: 35.94 ms, +30.7%) ⚠️ sparkline.rdp.500000: 71.18 ms (baseline: 34.22 ms, +108.0%) ⚠️ sparkline.none.948423: 527.31 ms (baseline: 358.68 ms, +47.0%) ⚠️ sparkline.movingAvg.948423: 126.67 ms (baseline: 90.30 ms, +40.3%) ✓ sparkline.rdp.948423: 106.10 ms (baseline: 119.44 ms, -11.2%) windrose.aggregation.1000: 424.3 µs (baseline: 456.5 µs, -7.1%) ⚠️ windrose.draw.1000: 2.19 ms (baseline: 705.6 µs, +210.1%) ⚠️ windrose.aggregation.10000: 6.22 ms (baseline: 1.64 ms, +278.8%) ⚠️ windrose.draw.10000: 1.66 ms (baseline: 643.7 µs, +157.9%) ⚠️ windrose.aggregation.50000: 35.12 ms (baseline: 7.62 ms, +360.8%) ⚠️ windrose.draw.50000: 2.66 ms (baseline: 656.5 µs, +305.5%) ⚠️ windrose.aggregation.100000: 17.44 ms (baseline: 3.83 ms, +355.4%) windrose.draw.100000: 567.1 µs (baseline: 545.8 µs, +3.9%) ⚠️ windrose.aggregation.500000: 75.31 ms (baseline: 16.70 ms, +350.9%) ⚠️ windrose.draw.500000: 4.61 ms (baseline: 639.0 µs, +621.0%) ⚠️ windrose.aggregation.948423: 107.81 ms (baseline: 32.27 ms, +234.1%) windrose.draw.948423: 608.4 µs (baseline: 524.8 µs, +15.9%) scaling.none.1x: 4.49 ms (baseline: 3.81 ms, +17.6%) ✓ scaling.movingAvg.1x: 670.7 µs (baseline: 1.35 ms, -50.5%) ⚠️ scaling.rdp.1x: 837.4 µs (baseline: 622.1 µs, +34.6%) scaling.none.2x: 8.29 ms (baseline: 7.67 ms, +8.1%) ⚠️ scaling.movingAvg.2x: 3.10 ms (baseline: 1.33 ms, +133.2%) ✓ scaling.rdp.2x: 1.30 ms (baseline: 1.59 ms, -18.4%) ⚠️ scaling.none.5x: 23.91 ms (baseline: 17.48 ms, +36.8%) ⚠️ scaling.movingAvg.5x: 4.59 ms (baseline: 2.57 ms, +78.9%) ⚠️ scaling.rdp.5x: 22.98 ms (baseline: 2.34 ms, +881.0%) ⚠️ scaling.none.10x: 53.65 ms (baseline: 36.29 ms, +47.9%) ⚠️ scaling.movingAvg.10x: 11.88 ms (baseline: 5.36 ms, +121.7%) ⚠️ scaling.rdp.10x: 5.81 ms (baseline: 4.38 ms, +32.7%) ⚠️ scaling.none.20x: 128.88 ms (baseline: 77.86 ms, +65.5%) ⚠️ scaling.movingAvg.20x: 30.93 ms (baseline: 10.33 ms, +199.5%) ⚠️ scaling.rdp.20x: 50.17 ms (baseline: 9.89 ms, +407.2%) ⚠️ scaling.none.50x: 365.77 ms (baseline: 175.36 ms, +108.6%) ⚠️ scaling.movingAvg.50x: 52.01 ms (baseline: 30.04 ms, +73.1%) scaling.rdp.50x: 28.79 ms (baseline: 24.14 ms, +19.3%) ⚠️ multiseries.movingAvg.1series: 14.24 ms (baseline: 5.82 ms, +144.9%) ⚠️ multiseries.rdp.1series: 8.05 ms (baseline: 4.99 ms, +61.3%) ⚠️ multiseries.movingAvg.2series: 15.67 ms (baseline: 8.10 ms, +93.5%) ⚠️ multiseries.rdp.2series: 21.53 ms (baseline: 11.57 ms, +86.2%) ✓ multiseries.movingAvg.3series: 14.09 ms (baseline: 15.97 ms, -11.8%) multiseries.rdp.3series: 21.00 ms (baseline: 18.69 ms, +12.4%) multiseries.movingAvg.5series: 22.07 ms (baseline: 24.05 ms, -8.3%) ⚠️ multiseries.rdp.5series: 48.13 ms (baseline: 34.19 ms, +40.8%) 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: 46.77 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: 0.026 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: 0.080 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: 22.06 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: 01:21 min [INFO] Finished at: 2026-08-12T05:46:27Z [INFO] ------------------------------------------------------------------------