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: 2.342 s [INFO] Finished at: 2026-08-08T10:42:19Z [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: 2.390 s [INFO] Finished at: 2026-08-08T10:42:25Z [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 6.8.0-136-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-08-08T09:37:13.040448187Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 10:43:08.819 [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 | 5.34 ms | 9.58 ms | 1.90 ms 1,000 | 8.95 ms | 1.47 ms | 1.82 ms 10,000 | 38.51 ms | 6.40 ms | 5.16 ms 49,871 | 21.20 ms | 3.43 ms | 74.07 ms 97,643 | 58.99 ms | 8.88 ms | 16.63 ms 495,995 | 256.14 ms | 29.24 ms | 52.54 ms 944,282 | 445.86 ms | 112.27 ms | 118.67 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 | 467.5 µs | 987.6 µs | 1.46 ms 10,000 | 1.63 ms | 691.1 µs | 2.32 ms 50,000 | 8.44 ms | 635.9 µs | 9.07 ms 100,000 | 6.66 ms | 668.9 µs | 7.33 ms 500,000 | 43.70 ms | 579.5 µs | 44.27 ms 948,423 | 79.65 ms | 1.12 ms | 80.77 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 | 7.82 ms ( 1.0x) | 627.5 µs ( 0.2x) | 627.2 µs ( 0.3x) 2x | 19,996 | 13.26 ms ( 1.7x) | 1.19 ms ( 0.4x) | 1.02 ms ( 0.4x) 5x | 49,871 | 22.93 ms ( 2.9x) | 3.79 ms ( 1.4x) | 2.33 ms ( 1.0x) 10x | 97,643 | 66.76 ms ( 8.3x) | 6.72 ms ( 2.5x) | 9.80 ms ( 4.1x) 20x | 196,569 | 114.12 ms (14.3x) | 8.83 ms ( 3.2x) | 19.23 ms ( 8.0x) 50x | 495,995 | 253.14 ms (31.6x) | 50.32 ms (18.4x) | 25.99 ms (10.8x) 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 | 690.7 µs | 5 | 285.0 µs 10,000 | 5 | 1.57 ms | 5 | 2.61 ms 97,643 | 5 | 9.71 ms | 5 | 3.97 ms 495,995 | 5 | 40.03 ms | 5 | 59.21 ms 944,282 | 5 | 113.10 ms | 5 | 94.50 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 | 4.50 ms | 4.86 ms 2 | 23.01 ms | 33.57 ms 3 | 22.03 ms | 26.90 ms 5 | 47.06 ms | 45.07 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 5.34 ms (baseline: 1.31 ms, +307.1%) ⚠️ sparkline.movingAvg.100: 9.58 ms (baseline: 1.48 ms, +546.7%) ⚠️ sparkline.rdp.100: 1.90 ms (baseline: 989.5 µs, +91.7%) ⚠️ sparkline.none.1000: 8.95 ms (baseline: 2.40 ms, +272.2%) ⚠️ sparkline.movingAvg.1000: 1.47 ms (baseline: 1.15 ms, +27.6%) ⚠️ sparkline.rdp.1000: 1.82 ms (baseline: 1.30 ms, +39.3%) ⚠️ sparkline.none.10000: 38.51 ms (baseline: 11.50 ms, +234.8%) ⚠️ sparkline.movingAvg.10000: 6.40 ms (baseline: 2.45 ms, +160.7%) ⚠️ sparkline.rdp.10000: 5.16 ms (baseline: 3.67 ms, +40.7%) sparkline.none.50000: 21.20 ms (baseline: 19.14 ms, +10.8%) ⚠️ sparkline.movingAvg.50000: 3.43 ms (baseline: 2.72 ms, +26.3%) ⚠️ sparkline.rdp.50000: 74.07 ms (baseline: 23.85 ms, +210.5%) ⚠️ sparkline.none.100000: 58.99 ms (baseline: 32.70 ms, +80.4%) ⚠️ sparkline.movingAvg.100000: 8.88 ms (baseline: 5.08 ms, +74.6%) ⚠️ sparkline.rdp.100000: 16.63 ms (baseline: 11.20 ms, +48.5%) ⚠️ sparkline.none.500000: 256.14 ms (baseline: 200.92 ms, +27.5%) sparkline.movingAvg.500000: 29.24 ms (baseline: 27.95 ms, +4.6%) ⚠️ sparkline.rdp.500000: 52.54 ms (baseline: 41.87 ms, +25.5%) ⚠️ sparkline.none.948423: 445.86 ms (baseline: 354.01 ms, +25.9%) ⚠️ sparkline.movingAvg.948423: 112.27 ms (baseline: 86.15 ms, +30.3%) ⚠️ sparkline.rdp.948423: 118.67 ms (baseline: 76.77 ms, +54.6%) windrose.aggregation.1000: 467.5 µs (baseline: 459.8 µs, +1.7%) windrose.draw.1000: 987.6 µs (baseline: 1.03 ms, -4.5%) windrose.aggregation.10000: 1.63 ms (baseline: 1.65 ms, -1.1%) ✓ windrose.draw.10000: 691.1 µs (baseline: 779.4 µs, -11.3%) windrose.aggregation.50000: 8.44 ms (baseline: 8.19 ms, +3.0%) ✓ windrose.draw.50000: 635.9 µs (baseline: 911.6 µs, -30.2%) windrose.aggregation.100000: 6.66 ms (baseline: 7.14 ms, -6.7%) windrose.draw.100000: 668.9 µs (baseline: 622.2 µs, +7.5%) ⚠️ windrose.aggregation.500000: 43.70 ms (baseline: 15.68 ms, +178.7%) ✓ windrose.draw.500000: 579.5 µs (baseline: 829.4 µs, -30.1%) ⚠️ windrose.aggregation.948423: 79.65 ms (baseline: 41.76 ms, +90.7%) windrose.draw.948423: 1.12 ms (baseline: 1.08 ms, +3.7%) ⚠️ scaling.none.1x: 7.82 ms (baseline: 6.05 ms, +29.3%) ✓ scaling.movingAvg.1x: 627.5 µs (baseline: 821.0 µs, -23.6%) ✓ scaling.rdp.1x: 627.2 µs (baseline: 830.1 µs, -24.4%) ⚠️ scaling.none.2x: 13.26 ms (baseline: 6.88 ms, +92.7%) scaling.movingAvg.2x: 1.19 ms (baseline: 1.15 ms, +3.6%) ✓ scaling.rdp.2x: 1.02 ms (baseline: 1.33 ms, -23.6%) ⚠️ scaling.none.5x: 22.93 ms (baseline: 17.92 ms, +28.0%) ⚠️ scaling.movingAvg.5x: 3.79 ms (baseline: 2.90 ms, +30.6%) ✓ scaling.rdp.5x: 2.33 ms (baseline: 2.64 ms, -11.8%) ⚠️ scaling.none.10x: 66.76 ms (baseline: 34.10 ms, +95.8%) ⚠️ scaling.movingAvg.10x: 6.72 ms (baseline: 4.57 ms, +47.1%) ⚠️ scaling.rdp.10x: 9.80 ms (baseline: 4.52 ms, +117.0%) ⚠️ scaling.none.20x: 114.12 ms (baseline: 76.00 ms, +50.1%) scaling.movingAvg.20x: 8.83 ms (baseline: 8.33 ms, +5.9%) ✓ scaling.rdp.20x: 19.23 ms (baseline: 21.99 ms, -12.6%) ⚠️ scaling.none.50x: 253.14 ms (baseline: 210.61 ms, +20.2%) ⚠️ scaling.movingAvg.50x: 50.32 ms (baseline: 40.45 ms, +24.4%) scaling.rdp.50x: 25.99 ms (baseline: 26.43 ms, -1.7%) multiseries.movingAvg.1series: 4.50 ms (baseline: 4.97 ms, -9.4%) multiseries.rdp.1series: 4.86 ms (baseline: 4.59 ms, +6.0%) ⚠️ multiseries.movingAvg.2series: 23.01 ms (baseline: 9.94 ms, +131.5%) ⚠️ multiseries.rdp.2series: 33.57 ms (baseline: 12.61 ms, +166.3%) ⚠️ multiseries.movingAvg.3series: 22.03 ms (baseline: 13.24 ms, +66.4%) multiseries.rdp.3series: 26.90 ms (baseline: 24.79 ms, +8.5%) ⚠️ multiseries.movingAvg.5series: 47.06 ms (baseline: 29.73 ms, +58.3%) ⚠️ multiseries.rdp.5series: 45.07 ms (baseline: 34.60 ms, +30.3%) 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: 45.59 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: 0.047 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: 0.100 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: 19.77 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: 01:18 min [INFO] Finished at: 2026-08-08T10:43:55Z [INFO] ------------------------------------------------------------------------