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: 2.845 s [INFO] Finished at: 2026-08-11T22:50:35Z [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: 2.627 s [INFO] Finished at: 2026-08-11T22:50:41Z [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: 2026-08-11T21:44:43.363112581Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 22:51:21.976 [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 | 2.32 ms | 3.29 ms | 1.97 ms 1,000 | 7.69 ms | 3.29 ms | 3.54 ms 10,000 | 21.16 ms | 5.47 ms | 9.26 ms 49,871 | 22.27 ms | 3.09 ms | 63.92 ms 97,643 | 61.78 ms | 9.97 ms | 82.97 ms 495,995 | 271.13 ms | 55.40 ms | 55.83 ms 944,282 | 494.85 ms | 141.85 ms | 98.42 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 | 434.6 µs | 2.82 ms | 3.25 ms 10,000 | 4.68 ms | 2.50 ms | 7.18 ms 50,000 | 19.64 ms | 2.01 ms | 21.65 ms 100,000 | 12.10 ms | 2.38 ms | 14.48 ms 500,000 | 38.90 ms | 1.66 ms | 40.56 ms 948,423 | 88.39 ms | 1.78 ms | 90.17 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 | 4.08 ms ( 0.3x) | 550.1 µs ( 0.2x) | 726.9 µs ( 0.5x) 2x | 19,996 | 7.36 ms ( 0.5x) | 1.05 ms ( 0.4x) | 936.3 µs ( 0.7x) 5x | 49,871 | 20.07 ms ( 1.4x) | 2.14 ms ( 0.9x) | 2.39 ms ( 1.8x) 10x | 97,643 | 59.86 ms ( 4.1x) | 7.05 ms ( 3.0x) | 5.76 ms ( 4.3x) 20x | 196,569 | 81.50 ms ( 5.5x) | 10.54 ms ( 4.5x) | 16.11 ms (12.1x) 50x | 495,995 | 259.33 ms (17.6x) | 34.78 ms (14.7x) | 23.74 ms (17.8x) 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 | 115.4 µs | 5 | 170.8 µs 10,000 | 5 | 488.8 µs | 5 | 485.6 µs 97,643 | 5 | 4.48 ms | 5 | 3.56 ms 495,995 | 5 | 61.40 ms | 5 | 38.33 ms 944,282 | 5 | 135.21 ms | 5 | 57.29 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 | 12.88 ms | 3.65 ms 2 | 9.77 ms | 15.27 ms 3 | 21.73 ms | 15.66 ms 5 | 23.27 ms | 36.52 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 2.32 ms (baseline: 1.11 ms, +109.7%) ⚠️ sparkline.movingAvg.100: 3.29 ms (baseline: 1.41 ms, +133.4%) sparkline.rdp.100: 1.97 ms (baseline: 2.13 ms, -7.1%) ⚠️ sparkline.none.1000: 7.69 ms (baseline: 3.01 ms, +155.4%) ⚠️ sparkline.movingAvg.1000: 3.29 ms (baseline: 2.65 ms, +24.2%) ⚠️ sparkline.rdp.1000: 3.54 ms (baseline: 1.42 ms, +149.6%) ⚠️ sparkline.none.10000: 21.16 ms (baseline: 11.23 ms, +88.5%) ⚠️ sparkline.movingAvg.10000: 5.47 ms (baseline: 837.1 µs, +553.7%) sparkline.rdp.10000: 9.26 ms (baseline: 9.95 ms, -6.9%) sparkline.none.50000: 22.27 ms (baseline: 20.80 ms, +7.0%) ⚠️ sparkline.movingAvg.50000: 3.09 ms (baseline: 2.56 ms, +20.4%) ⚠️ sparkline.rdp.50000: 63.92 ms (baseline: 29.24 ms, +118.6%) ⚠️ sparkline.none.100000: 61.78 ms (baseline: 35.93 ms, +71.9%) ⚠️ sparkline.movingAvg.100000: 9.97 ms (baseline: 5.29 ms, +88.5%) ⚠️ sparkline.rdp.100000: 82.97 ms (baseline: 7.70 ms, +978.0%) ⚠️ sparkline.none.500000: 271.13 ms (baseline: 183.48 ms, +47.8%) ⚠️ sparkline.movingAvg.500000: 55.40 ms (baseline: 32.30 ms, +71.5%) ⚠️ sparkline.rdp.500000: 55.83 ms (baseline: 44.84 ms, +24.5%) ⚠️ sparkline.none.948423: 494.85 ms (baseline: 361.05 ms, +37.1%) ⚠️ sparkline.movingAvg.948423: 141.85 ms (baseline: 87.58 ms, +62.0%) ⚠️ sparkline.rdp.948423: 98.42 ms (baseline: 57.76 ms, +70.4%) windrose.aggregation.1000: 434.6 µs (baseline: 454.0 µs, -4.3%) ⚠️ windrose.draw.1000: 2.82 ms (baseline: 1.11 ms, +154.2%) ⚠️ windrose.aggregation.10000: 4.68 ms (baseline: 1.63 ms, +186.6%) ⚠️ windrose.draw.10000: 2.50 ms (baseline: 1.09 ms, +130.1%) ⚠️ windrose.aggregation.50000: 19.64 ms (baseline: 8.68 ms, +126.4%) ⚠️ windrose.draw.50000: 2.01 ms (baseline: 891.3 µs, +125.4%) ⚠️ windrose.aggregation.100000: 12.10 ms (baseline: 6.50 ms, +86.1%) ⚠️ windrose.draw.100000: 2.38 ms (baseline: 832.7 µs, +185.9%) ⚠️ windrose.aggregation.500000: 38.90 ms (baseline: 20.47 ms, +90.0%) ⚠️ windrose.draw.500000: 1.66 ms (baseline: 579.5 µs, +186.7%) ⚠️ windrose.aggregation.948423: 88.39 ms (baseline: 36.25 ms, +143.8%) ⚠️ windrose.draw.948423: 1.78 ms (baseline: 795.3 µs, +123.7%) ✓ scaling.none.1x: 4.08 ms (baseline: 4.73 ms, -13.8%) ✓ scaling.movingAvg.1x: 550.1 µs (baseline: 615.8 µs, -10.7%) ⚠️ scaling.rdp.1x: 726.9 µs (baseline: 605.2 µs, +20.1%) scaling.none.2x: 7.36 ms (baseline: 7.21 ms, +2.1%) scaling.movingAvg.2x: 1.05 ms (baseline: 1.09 ms, -3.9%) ✓ scaling.rdp.2x: 936.3 µs (baseline: 1.06 ms, -11.6%) scaling.none.5x: 20.07 ms (baseline: 16.82 ms, +19.3%) scaling.movingAvg.5x: 2.14 ms (baseline: 2.19 ms, -2.3%) scaling.rdp.5x: 2.39 ms (baseline: 2.08 ms, +14.8%) ⚠️ scaling.none.10x: 59.86 ms (baseline: 32.45 ms, +84.5%) ⚠️ scaling.movingAvg.10x: 7.05 ms (baseline: 4.00 ms, +76.2%) ⚠️ scaling.rdp.10x: 5.76 ms (baseline: 3.66 ms, +57.3%) scaling.none.20x: 81.50 ms (baseline: 77.88 ms, +4.6%) scaling.movingAvg.20x: 10.54 ms (baseline: 10.76 ms, -2.1%) ⚠️ scaling.rdp.20x: 16.11 ms (baseline: 9.44 ms, +70.6%) ⚠️ scaling.none.50x: 259.33 ms (baseline: 191.21 ms, +35.6%) ⚠️ scaling.movingAvg.50x: 34.78 ms (baseline: 25.64 ms, +35.7%) scaling.rdp.50x: 23.74 ms (baseline: 21.39 ms, +11.0%) ⚠️ multiseries.movingAvg.1series: 12.88 ms (baseline: 4.50 ms, +186.3%) multiseries.rdp.1series: 3.65 ms (baseline: 3.94 ms, -7.5%) ⚠️ multiseries.movingAvg.2series: 9.77 ms (baseline: 8.09 ms, +20.8%) ⚠️ multiseries.rdp.2series: 15.27 ms (baseline: 11.12 ms, +37.3%) ⚠️ multiseries.movingAvg.3series: 21.73 ms (baseline: 13.20 ms, +64.7%) ✓ multiseries.rdp.3series: 15.66 ms (baseline: 21.34 ms, -26.6%) ✓ multiseries.movingAvg.5series: 23.27 ms (baseline: 26.55 ms, -12.4%) multiseries.rdp.5series: 36.52 ms (baseline: 32.75 ms, +11.5%) 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: 44.20 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: 0.037 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: 21.38 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: 01:17 min [INFO] Finished at: 2026-08-11T22:52:10Z [INFO] ------------------------------------------------------------------------