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: 3.082 s [INFO] Finished at: 2026-08-11T05:17:52Z [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: 2.799 s [INFO] Finished at: 2026-08-11T05:17:58Z [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: 2026-08-11T04:21:27.069109337Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 05:18:41.386 [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 | 5.40 ms | 4.55 ms | 6.53 ms 1,000 | 5.83 ms | 2.13 ms | 3.27 ms 10,000 | 16.19 ms | 3.13 ms | 4.36 ms 49,871 | 24.02 ms | 7.04 ms | 44.34 ms 97,643 | 67.93 ms | 4.62 ms | 78.17 ms 495,995 | 366.97 ms | 43.72 ms | 53.78 ms 944,282 | 519.03 ms | 190.92 ms | 125.99 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 | 5.49 ms | 2.50 ms | 7.98 ms 10,000 | 3.62 ms | 2.04 ms | 5.67 ms 50,000 | 10.84 ms | 2.15 ms | 12.98 ms 100,000 | 8.91 ms | 2.88 ms | 11.79 ms 500,000 | 36.18 ms | 1.51 ms | 37.69 ms 948,423 | 76.92 ms | 834.5 µs | 77.76 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 | 13.48 ms ( 1.2x) | 2.63 ms ( 2.1x) | 4.16 ms ( 1.1x) 2x | 19,996 | 22.23 ms ( 2.0x) | 3.90 ms ( 3.1x) | 1.35 ms ( 0.4x) 5x | 49,871 | 18.48 ms ( 1.6x) | 11.85 ms ( 9.4x) | 4.09 ms ( 1.1x) 10x | 97,643 | 43.08 ms ( 3.8x) | 5.61 ms ( 4.4x) | 7.75 ms ( 2.0x) 20x | 196,569 | 156.81 ms (13.8x) | 14.24 ms (11.3x) | 9.91 ms ( 2.6x) 50x | 495,995 | 257.48 ms (22.7x) | 64.18 ms (50.7x) | 63.36 ms (16.7x) 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 | 612.8 µs | 5 | 196.3 µs 10,000 | 5 | 693.9 µs | 5 | 1.53 ms 97,643 | 5 | 6.84 ms | 5 | 49.40 ms 495,995 | 5 | 72.94 ms | 5 | 26.02 ms 944,282 | 5 | 156.47 ms | 5 | 111.06 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 | 6.26 ms | 5.34 ms 2 | 13.27 ms | 10.84 ms 3 | 14.81 ms | 26.35 ms 5 | 33.73 ms | 44.61 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 5.40 ms (baseline: 1.51 ms, +257.9%) ⚠️ sparkline.movingAvg.100: 4.55 ms (baseline: 1.49 ms, +204.6%) ⚠️ sparkline.rdp.100: 6.53 ms (baseline: 1.90 ms, +244.3%) ⚠️ sparkline.none.1000: 5.83 ms (baseline: 2.83 ms, +106.2%) ⚠️ sparkline.movingAvg.1000: 2.13 ms (baseline: 1.62 ms, +30.9%) ⚠️ sparkline.rdp.1000: 3.27 ms (baseline: 1.38 ms, +137.1%) ⚠️ sparkline.none.10000: 16.19 ms (baseline: 11.73 ms, +38.0%) sparkline.movingAvg.10000: 3.13 ms (baseline: 2.99 ms, +4.7%) sparkline.rdp.10000: 4.36 ms (baseline: 4.08 ms, +6.9%) sparkline.none.50000: 24.02 ms (baseline: 23.18 ms, +3.6%) ⚠️ sparkline.movingAvg.50000: 7.04 ms (baseline: 3.51 ms, +100.2%) ⚠️ sparkline.rdp.50000: 44.34 ms (baseline: 21.31 ms, +108.0%) ⚠️ sparkline.none.100000: 67.93 ms (baseline: 41.21 ms, +64.8%) sparkline.movingAvg.100000: 4.62 ms (baseline: 5.04 ms, -8.3%) ⚠️ sparkline.rdp.100000: 78.17 ms (baseline: 4.43 ms, +1665.2%) ⚠️ sparkline.none.500000: 366.97 ms (baseline: 200.19 ms, +83.3%) sparkline.movingAvg.500000: 43.72 ms (baseline: 39.60 ms, +10.4%) ⚠️ sparkline.rdp.500000: 53.78 ms (baseline: 27.18 ms, +97.9%) ⚠️ sparkline.none.948423: 519.03 ms (baseline: 346.46 ms, +49.8%) ⚠️ sparkline.movingAvg.948423: 190.92 ms (baseline: 94.44 ms, +102.2%) ⚠️ sparkline.rdp.948423: 125.99 ms (baseline: 67.02 ms, +88.0%) ⚠️ windrose.aggregation.1000: 5.49 ms (baseline: 452.9 µs, +1111.6%) ⚠️ windrose.draw.1000: 2.50 ms (baseline: 732.9 µs, +240.7%) ⚠️ windrose.aggregation.10000: 3.62 ms (baseline: 1.70 ms, +113.3%) ⚠️ windrose.draw.10000: 2.04 ms (baseline: 609.2 µs, +235.4%) ⚠️ windrose.aggregation.50000: 10.84 ms (baseline: 8.21 ms, +32.0%) ⚠️ windrose.draw.50000: 2.15 ms (baseline: 534.0 µs, +302.3%) ⚠️ windrose.aggregation.100000: 8.91 ms (baseline: 3.89 ms, +128.9%) ⚠️ windrose.draw.100000: 2.88 ms (baseline: 526.9 µs, +446.1%) ⚠️ windrose.aggregation.500000: 36.18 ms (baseline: 19.42 ms, +86.3%) ⚠️ windrose.draw.500000: 1.51 ms (baseline: 537.4 µs, +180.2%) ⚠️ windrose.aggregation.948423: 76.92 ms (baseline: 37.77 ms, +103.6%) ⚠️ windrose.draw.948423: 834.5 µs (baseline: 689.3 µs, +21.1%) ⚠️ scaling.none.1x: 13.48 ms (baseline: 4.42 ms, +204.6%) ⚠️ scaling.movingAvg.1x: 2.63 ms (baseline: 991.4 µs, +165.3%) ⚠️ scaling.rdp.1x: 4.16 ms (baseline: 825.1 µs, +403.7%) ⚠️ scaling.none.2x: 22.23 ms (baseline: 7.28 ms, +205.5%) ⚠️ scaling.movingAvg.2x: 3.90 ms (baseline: 1.31 ms, +197.6%) ⚠️ scaling.rdp.2x: 1.35 ms (baseline: 1.04 ms, +29.5%) scaling.none.5x: 18.48 ms (baseline: 17.61 ms, +4.9%) ⚠️ scaling.movingAvg.5x: 11.85 ms (baseline: 2.95 ms, +302.0%) ⚠️ scaling.rdp.5x: 4.09 ms (baseline: 2.38 ms, +71.8%) ⚠️ scaling.none.10x: 43.08 ms (baseline: 32.66 ms, +31.9%) scaling.movingAvg.10x: 5.61 ms (baseline: 5.23 ms, +7.1%) ⚠️ scaling.rdp.10x: 7.75 ms (baseline: 4.13 ms, +88.0%) ⚠️ scaling.none.20x: 156.81 ms (baseline: 71.74 ms, +118.6%) ⚠️ scaling.movingAvg.20x: 14.24 ms (baseline: 9.87 ms, +44.3%) scaling.rdp.20x: 9.91 ms (baseline: 9.73 ms, +1.8%) ⚠️ scaling.none.50x: 257.48 ms (baseline: 170.24 ms, +51.2%) ⚠️ scaling.movingAvg.50x: 64.18 ms (baseline: 30.47 ms, +110.6%) ⚠️ scaling.rdp.50x: 63.36 ms (baseline: 51.25 ms, +23.6%) ⚠️ multiseries.movingAvg.1series: 6.26 ms (baseline: 4.93 ms, +27.0%) ✓ multiseries.rdp.1series: 5.34 ms (baseline: 15.77 ms, -66.2%) ⚠️ multiseries.movingAvg.2series: 13.27 ms (baseline: 8.97 ms, +48.0%) multiseries.rdp.2series: 10.84 ms (baseline: 11.18 ms, -3.0%) multiseries.movingAvg.3series: 14.81 ms (baseline: 12.38 ms, +19.6%) multiseries.rdp.3series: 26.35 ms (baseline: 23.86 ms, +10.4%) ⚠️ multiseries.movingAvg.5series: 33.73 ms (baseline: 24.45 ms, +38.0%) ⚠️ multiseries.rdp.5series: 44.61 ms (baseline: 33.53 ms, +33.0%) 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: 47.97 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: 0.068 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: 0.050 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: 22.58 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: 01:22 min [INFO] Finished at: 2026-08-11T05:19:33Z [INFO] ------------------------------------------------------------------------