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 93c9895 [maven-release-plugin] prepare for next development iteration $ mvn versions:set-property -Dproperty=vaadin.version -DnewVersion=25.4-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:1.2.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 98, 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 1.2.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- versions:2.22.0:set-property (default-cli) @ svg-visualizations --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 3.437 s [INFO] Finished at: 2026-10-11T04:10:05Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.4-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:1.2.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 98, 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 1.2.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- versions:2.22.0: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:1.2.1-SNAPSHOT -> 25.4-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.852 s [INFO] Finished at: 2026-10-11T04:10:12Z [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:1.2.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 98, 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 1.2.1-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:1.2.1-SNAPSHOT... [INFO] [INFO] --- compiler:3.13.0:compile (default-compile) @ svg-visualizations --- [INFO] Recompiling the module because of changed source code. [INFO] Compiling 3 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 17 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.SparkLineGeometryTest [INFO] Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.159 s -- in org.vaadin.svgvis.SparkLineGeometryTest [INFO] Running org.vaadin.svgvis.RenderingPerformanceTest Loaded 948423 weather records === System Information === CPU Model: AMD EPYC-Rome Processor CPU Cores: 4 OS: Linux 6.8.0-146-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-10-11T00:52:17.687941863Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 04:10:55.066 [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 | 4.66 ms | 2.83 ms | 3.59 ms 1,000 | 7.75 ms | 4.21 ms | 2.47 ms 10,000 | 16.42 ms | 3.87 ms | 3.93 ms 49,871 | 32.15 ms | 4.20 ms | 17.57 ms 97,643 | 81.20 ms | 5.28 ms | 80.50 ms 495,995 | 364.23 ms | 5.42 ms | 75.12 ms 944,282 | 637.47 ms | 10.47 ms | 149.95 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 | 330.6 µs | 1.78 ms | 2.12 ms 10,000 | 4.58 ms | 2.48 ms | 7.06 ms 50,000 | 31.81 ms | 3.69 ms | 35.49 ms 100,000 | 7.31 ms | 1.43 ms | 8.74 ms 500,000 | 23.56 ms | 870.1 µs | 24.43 ms 948,423 | 47.56 ms | 596.9 µs | 48.15 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 | 6.27 ms ( 0.6x) | 320.3 µs ( 1.0x) | 729.2 µs ( 1.0x) 2x | 19,996 | 8.03 ms ( 0.8x) | 348.0 µs ( 1.1x) | 2.91 ms ( 3.9x) 5x | 49,871 | 19.25 ms ( 1.9x) | 641.2 µs ( 2.1x) | 3.35 ms ( 4.5x) 10x | 97,643 | 38.03 ms ( 3.7x) | 1.86 ms ( 6.0x) | 5.68 ms ( 7.7x) 20x | 196,569 | 92.12 ms ( 8.9x) | 2.62 ms ( 8.4x) | 10.82 ms (14.6x) 50x | 495,995 | 217.94 ms (21.0x) | 4.75 ms (15.3x) | 29.37 ms (39.6x) 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 | 149.0 µs | 5 | 365.4 µs 10,000 | 5 | 292.9 µs | 5 | 763.5 µs 97,643 | 5 | 981.0 µs | 5 | 6.35 ms 495,995 | 5 | 5.98 ms | 5 | 37.81 ms 944,282 | 5 | 8.38 ms | 5 | 59.31 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 | 1.17 ms | 30.29 ms 2 | 3.48 ms | 13.21 ms 3 | 2.59 ms | 25.53 ms 5 | 4.70 ms | 40.58 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 4.66 ms (baseline: 1.49 ms, +212.0%) ✓ sparkline.movingAvg.100: 2.83 ms (baseline: 6.48 ms, -56.3%) ✓ sparkline.rdp.100: 3.59 ms (baseline: 4.29 ms, -16.4%) sparkline.none.1000: 7.75 ms (baseline: 7.70 ms, +0.6%) ✓ sparkline.movingAvg.1000: 4.21 ms (baseline: 5.82 ms, -27.8%) ✓ sparkline.rdp.1000: 2.47 ms (baseline: 3.34 ms, -25.9%) ✓ sparkline.none.10000: 16.42 ms (baseline: 27.24 ms, -39.7%) ✓ sparkline.movingAvg.10000: 3.87 ms (baseline: 4.37 ms, -11.4%) ✓ sparkline.rdp.10000: 3.93 ms (baseline: 21.70 ms, -81.9%) sparkline.none.50000: 32.15 ms (baseline: 32.51 ms, -1.1%) ✓ sparkline.movingAvg.50000: 4.20 ms (baseline: 5.31 ms, -21.0%) ✓ sparkline.rdp.50000: 17.57 ms (baseline: 43.37 ms, -59.5%) ⚠️ sparkline.none.100000: 81.20 ms (baseline: 59.81 ms, +35.8%) ⚠️ sparkline.movingAvg.100000: 5.28 ms (baseline: 4.15 ms, +27.2%) ⚠️ sparkline.rdp.100000: 80.50 ms (baseline: 11.03 ms, +629.6%) sparkline.none.500000: 364.23 ms (baseline: 381.42 ms, -4.5%) ✓ sparkline.movingAvg.500000: 5.42 ms (baseline: 12.96 ms, -58.2%) sparkline.rdp.500000: 75.12 ms (baseline: 72.23 ms, +4.0%) ✓ sparkline.none.948423: 637.47 ms (baseline: 713.06 ms, -10.6%) sparkline.movingAvg.948423: 10.47 ms (baseline: 11.51 ms, -9.0%) ⚠️ sparkline.rdp.948423: 149.95 ms (baseline: 80.69 ms, +85.8%) windrose.aggregation.1000: 330.6 µs (baseline: 323.0 µs, +2.4%) ✓ windrose.draw.1000: 1.78 ms (baseline: 2.17 ms, -17.8%) ✓ windrose.aggregation.10000: 4.58 ms (baseline: 5.66 ms, -19.0%) ⚠️ windrose.draw.10000: 2.48 ms (baseline: 667.7 µs, +271.5%) ⚠️ windrose.aggregation.50000: 31.81 ms (baseline: 15.68 ms, +102.8%) ⚠️ windrose.draw.50000: 3.69 ms (baseline: 2.16 ms, +70.8%) windrose.aggregation.100000: 7.31 ms (baseline: 7.18 ms, +1.8%) ⚠️ windrose.draw.100000: 1.43 ms (baseline: 981.3 µs, +45.4%) ✓ windrose.aggregation.500000: 23.56 ms (baseline: 33.92 ms, -30.5%) ⚠️ windrose.draw.500000: 870.1 µs (baseline: 626.4 µs, +38.9%) ✓ windrose.aggregation.948423: 47.56 ms (baseline: 60.55 ms, -21.5%) ✓ windrose.draw.948423: 596.9 µs (baseline: 1.34 ms, -55.4%) ⚠️ scaling.none.1x: 6.27 ms (baseline: 4.65 ms, +34.8%) scaling.movingAvg.1x: 320.3 µs (baseline: 341.7 µs, -6.3%) ✓ scaling.rdp.1x: 729.2 µs (baseline: 991.7 µs, -26.5%) ✓ scaling.none.2x: 8.03 ms (baseline: 17.20 ms, -53.3%) ✓ scaling.movingAvg.2x: 348.0 µs (baseline: 3.70 ms, -90.6%) ✓ scaling.rdp.2x: 2.91 ms (baseline: 31.70 ms, -90.8%) ✓ scaling.none.5x: 19.25 ms (baseline: 35.85 ms, -46.3%) ✓ scaling.movingAvg.5x: 641.2 µs (baseline: 5.42 ms, -88.2%) scaling.rdp.5x: 3.35 ms (baseline: 3.48 ms, -3.8%) ✓ scaling.none.10x: 38.03 ms (baseline: 61.17 ms, -37.8%) ⚠️ scaling.movingAvg.10x: 1.86 ms (baseline: 1.13 ms, +64.1%) ✓ scaling.rdp.10x: 5.68 ms (baseline: 9.88 ms, -42.5%) scaling.none.20x: 92.12 ms (baseline: 89.51 ms, +2.9%) scaling.movingAvg.20x: 2.62 ms (baseline: 2.82 ms, -7.2%) ✓ scaling.rdp.20x: 10.82 ms (baseline: 14.72 ms, -26.5%) ✓ scaling.none.50x: 217.94 ms (baseline: 315.97 ms, -31.0%) ✓ scaling.movingAvg.50x: 4.75 ms (baseline: 13.69 ms, -65.3%) scaling.rdp.50x: 29.37 ms (baseline: 31.17 ms, -5.8%) multiseries.movingAvg.1series: 1.17 ms (baseline: 1.18 ms, -1.3%) ⚠️ multiseries.rdp.1series: 30.29 ms (baseline: 13.61 ms, +122.5%) ⚠️ multiseries.movingAvg.2series: 3.48 ms (baseline: 2.82 ms, +23.6%) ✓ multiseries.rdp.2series: 13.21 ms (baseline: 31.38 ms, -57.9%) ✓ multiseries.movingAvg.3series: 2.59 ms (baseline: 4.64 ms, -44.2%) multiseries.rdp.3series: 25.53 ms (baseline: 27.04 ms, -5.6%) ✓ multiseries.movingAvg.5series: 4.70 ms (baseline: 10.41 ms, -54.9%) ✓ multiseries.rdp.5series: 40.58 ms (baseline: 50.24 ms, -19.2%) 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: 41.21 s -- in org.vaadin.svgvis.RenderingPerformanceTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineDrawingTest [INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.991 s -- in org.vaadin.svgvis.unit.SvgSparkLineDrawingTest [INFO] Running org.vaadin.svgvis.unit.WindRoseTest [INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.009 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: 0.026 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: 15.92 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 41, 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-1.2.1-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:12 min [INFO] Finished at: 2026-10-11T04:11:37Z [INFO] ------------------------------------------------------------------------