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: 2.891 s [INFO] Finished at: 2026-08-07T11:00:23Z [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: 2.541 s [INFO] Finished at: 2026-08-07T11:00:30Z [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: 2026-08-07T10:01:03.090763587Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 11:01:10.069 [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 | 2.58 ms | 2.54 ms 1,000 | 6.46 ms | 4.49 ms | 4.71 ms 10,000 | 20.66 ms | 3.21 ms | 28.64 ms 49,871 | 24.24 ms | 6.54 ms | 8.57 ms 97,643 | 81.05 ms | 11.95 ms | 5.30 ms 495,995 | 292.40 ms | 47.89 ms | 61.34 ms 944,282 | 505.90 ms | 153.40 ms | 112.95 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 | 417.7 µs | 771.7 µs | 1.19 ms 10,000 | 1.90 ms | 1.21 ms | 3.10 ms 50,000 | 15.01 ms | 1.54 ms | 16.55 ms 100,000 | 11.68 ms | 786.4 µs | 12.47 ms 500,000 | 18.92 ms | 557.7 µs | 19.48 ms 948,423 | 59.61 ms | 597.3 µs | 60.21 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 | 12.37 ms ( 0.9x) | 765.1 µs ( 0.7x) | 1.86 ms ( 1.4x) 2x | 19,996 | 8.85 ms ( 0.6x) | 1.09 ms ( 1.0x) | 924.2 µs ( 0.7x) 5x | 49,871 | 17.70 ms ( 1.2x) | 7.46 ms ( 7.0x) | 3.07 ms ( 2.4x) 10x | 97,643 | 87.56 ms ( 6.2x) | 5.67 ms ( 5.3x) | 9.55 ms ( 7.3x) 20x | 196,569 | 100.47 ms ( 7.1x) | 28.87 ms (27.2x) | 29.02 ms (22.2x) 50x | 495,995 | 279.83 ms (19.7x) | 40.62 ms (38.2x) | 39.03 ms (29.9x) 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 | 123.3 µs | 5 | 256.5 µs 10,000 | 5 | 934.0 µs | 5 | 1.34 ms 97,643 | 5 | 7.95 ms | 5 | 5.52 ms 495,995 | 5 | 32.22 ms | 5 | 52.12 ms 944,282 | 5 | 113.17 ms | 5 | 145.64 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 | 9.30 ms | 5.18 ms 2 | 20.26 ms | 20.09 ms 3 | 12.90 ms | 42.92 ms 5 | 26.18 ms | 63.88 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.46 ms (baseline: 1.25 ms, +177.6%) ⚠️ sparkline.movingAvg.100: 2.58 ms (baseline: 1.34 ms, +92.5%) ⚠️ sparkline.rdp.100: 2.54 ms (baseline: 925.8 µs, +174.6%) ⚠️ sparkline.none.1000: 6.46 ms (baseline: 2.18 ms, +196.4%) ⚠️ sparkline.movingAvg.1000: 4.49 ms (baseline: 1.22 ms, +269.5%) ⚠️ sparkline.rdp.1000: 4.71 ms (baseline: 1.35 ms, +248.1%) ⚠️ sparkline.none.10000: 20.66 ms (baseline: 10.51 ms, +96.6%) ⚠️ sparkline.movingAvg.10000: 3.21 ms (baseline: 2.49 ms, +28.9%) ⚠️ sparkline.rdp.10000: 28.64 ms (baseline: 7.67 ms, +273.4%) sparkline.none.50000: 24.24 ms (baseline: 23.50 ms, +3.2%) ⚠️ sparkline.movingAvg.50000: 6.54 ms (baseline: 2.90 ms, +125.9%) ⚠️ sparkline.rdp.50000: 8.57 ms (baseline: 3.58 ms, +139.3%) ⚠️ sparkline.none.100000: 81.05 ms (baseline: 38.70 ms, +109.4%) ⚠️ sparkline.movingAvg.100000: 11.95 ms (baseline: 5.14 ms, +132.4%) ✓ sparkline.rdp.100000: 5.30 ms (baseline: 7.92 ms, -33.1%) ⚠️ sparkline.none.500000: 292.40 ms (baseline: 199.34 ms, +46.7%) ⚠️ sparkline.movingAvg.500000: 47.89 ms (baseline: 35.78 ms, +33.8%) ⚠️ sparkline.rdp.500000: 61.34 ms (baseline: 33.77 ms, +81.6%) ⚠️ sparkline.none.948423: 505.90 ms (baseline: 351.98 ms, +43.7%) ⚠️ sparkline.movingAvg.948423: 153.40 ms (baseline: 88.73 ms, +72.9%) ⚠️ sparkline.rdp.948423: 112.95 ms (baseline: 62.29 ms, +81.3%) ✓ windrose.aggregation.1000: 417.7 µs (baseline: 466.6 µs, -10.5%) ✓ windrose.draw.1000: 771.7 µs (baseline: 1.26 ms, -38.9%) ✓ windrose.aggregation.10000: 1.90 ms (baseline: 4.69 ms, -59.6%) ⚠️ windrose.draw.10000: 1.21 ms (baseline: 695.5 µs, +73.8%) ⚠️ windrose.aggregation.50000: 15.01 ms (baseline: 10.14 ms, +48.1%) ⚠️ windrose.draw.50000: 1.54 ms (baseline: 820.3 µs, +87.7%) ⚠️ windrose.aggregation.100000: 11.68 ms (baseline: 6.20 ms, +88.5%) ⚠️ windrose.draw.100000: 786.4 µs (baseline: 596.3 µs, +31.9%) windrose.aggregation.500000: 18.92 ms (baseline: 19.11 ms, -1.0%) windrose.draw.500000: 557.7 µs (baseline: 599.3 µs, -6.9%) ⚠️ windrose.aggregation.948423: 59.61 ms (baseline: 37.63 ms, +58.4%) windrose.draw.948423: 597.3 µs (baseline: 622.5 µs, -4.1%) ⚠️ scaling.none.1x: 12.37 ms (baseline: 3.63 ms, +241.3%) ✓ scaling.movingAvg.1x: 765.1 µs (baseline: 1.26 ms, -39.3%) scaling.rdp.1x: 1.86 ms (baseline: 1.88 ms, -1.0%) scaling.none.2x: 8.85 ms (baseline: 7.45 ms, +18.8%) ✓ scaling.movingAvg.2x: 1.09 ms (baseline: 3.34 ms, -67.3%) ✓ scaling.rdp.2x: 924.2 µs (baseline: 2.53 ms, -63.5%) scaling.none.5x: 17.70 ms (baseline: 16.02 ms, +10.5%) ⚠️ scaling.movingAvg.5x: 7.46 ms (baseline: 2.55 ms, +192.4%) ⚠️ scaling.rdp.5x: 3.07 ms (baseline: 2.34 ms, +31.4%) ⚠️ scaling.none.10x: 87.56 ms (baseline: 32.71 ms, +167.7%) scaling.movingAvg.10x: 5.67 ms (baseline: 5.39 ms, +5.1%) ⚠️ scaling.rdp.10x: 9.55 ms (baseline: 4.27 ms, +123.8%) ⚠️ scaling.none.20x: 100.47 ms (baseline: 68.51 ms, +46.7%) ⚠️ scaling.movingAvg.20x: 28.87 ms (baseline: 10.84 ms, +166.3%) ⚠️ scaling.rdp.20x: 29.02 ms (baseline: 9.69 ms, +199.5%) ⚠️ scaling.none.50x: 279.83 ms (baseline: 189.87 ms, +47.4%) ⚠️ scaling.movingAvg.50x: 40.62 ms (baseline: 27.13 ms, +49.7%) ⚠️ scaling.rdp.50x: 39.03 ms (baseline: 23.51 ms, +66.1%) ⚠️ multiseries.movingAvg.1series: 9.30 ms (baseline: 4.77 ms, +95.2%) multiseries.rdp.1series: 5.18 ms (baseline: 4.37 ms, +18.4%) ⚠️ multiseries.movingAvg.2series: 20.26 ms (baseline: 8.70 ms, +132.8%) ⚠️ multiseries.rdp.2series: 20.09 ms (baseline: 11.44 ms, +75.6%) multiseries.movingAvg.3series: 12.90 ms (baseline: 13.07 ms, -1.3%) ⚠️ multiseries.rdp.3series: 42.92 ms (baseline: 21.91 ms, +95.9%) ⚠️ multiseries.movingAvg.5series: 26.18 ms (baseline: 19.64 ms, +33.3%) ⚠️ multiseries.rdp.5series: 63.88 ms (baseline: 32.80 ms, +94.8%) 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: 43.32 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: 0.020 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: 0.054 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: 19.14 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: 01:13 min [INFO] Finished at: 2026-08-07T11:01:56Z [INFO] ------------------------------------------------------------------------