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=25.1-SNAPSHOT -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml [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: 2.936 s [INFO] Finished at: 2026-07-21T22:27:04Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1-SNAPSHOT -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml [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 -> 25.1-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.514 s [INFO] Finished at: 2026-07-21T22:27:09Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml -DskipPerformanceValidation=true [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: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-07-21T21:32:41.485176031Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 22:27:47.078 [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 | 6.60 ms | 3.65 ms | 5.15 ms 1,000 | 6.68 ms | 4.20 ms | 5.32 ms 10,000 | 31.01 ms | 3.32 ms | 10.48 ms 49,871 | 47.00 ms | 4.07 ms | 117.02 ms 97,643 | 97.27 ms | 5.89 ms | 4.68 ms 495,995 | 334.67 ms | 55.48 ms | 30.80 ms 944,282 | 619.78 ms | 120.96 ms | 139.67 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 | 2.56 ms | 943.5 µs | 3.50 ms 10,000 | 1.90 ms | 1.55 ms | 3.45 ms 50,000 | 15.90 ms | 950.9 µs | 16.85 ms 100,000 | 8.96 ms | 1.33 ms | 10.29 ms 500,000 | 27.24 ms | 1.22 ms | 28.46 ms 948,423 | 80.19 ms | 983.4 µs | 81.18 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 | 12.94 ms ( 0.9x) | 698.6 µs ( 0.2x) | 1.47 ms ( 0.8x) 2x | 19,996 | 16.74 ms ( 1.2x) | 2.43 ms ( 0.7x) | 1.90 ms ( 1.1x) 5x | 49,871 | 25.84 ms ( 1.8x) | 7.91 ms ( 2.3x) | 4.14 ms ( 2.3x) 10x | 97,643 | 57.86 ms ( 4.1x) | 6.45 ms ( 1.8x) | 4.56 ms ( 2.5x) 20x | 196,569 | 131.73 ms ( 9.3x) | 9.76 ms ( 2.8x) | 8.38 ms ( 4.6x) 50x | 495,995 | 356.48 ms (25.0x) | 46.20 ms (13.1x) | 24.97 ms (13.8x) 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 | 795.6 µs | 5 | 1.14 ms 10,000 | 5 | 609.2 µs | 5 | 992.1 µs 97,643 | 5 | 5.61 ms | 5 | 3.93 ms 495,995 | 5 | 67.41 ms | 5 | 31.43 ms 944,282 | 5 | 112.72 ms | 5 | 94.67 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 | 10.91 ms | 9.59 ms 2 | 9.09 ms | 26.63 ms 3 | 16.71 ms | 15.14 ms 5 | 43.71 ms | 39.68 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 6.60 ms (baseline: 3.88 ms, +70.3%) sparkline.movingAvg.100: 3.65 ms (baseline: 3.90 ms, -6.4%) ⚠️ sparkline.rdp.100: 5.15 ms (baseline: 3.72 ms, +38.5%) ✓ sparkline.none.1000: 6.68 ms (baseline: 10.01 ms, -33.3%) ✓ sparkline.movingAvg.1000: 4.20 ms (baseline: 5.79 ms, -27.5%) ⚠️ sparkline.rdp.1000: 5.32 ms (baseline: 3.72 ms, +42.8%) ⚠️ sparkline.none.10000: 31.01 ms (baseline: 17.75 ms, +74.8%) sparkline.movingAvg.10000: 3.32 ms (baseline: 2.89 ms, +15.1%) ✓ sparkline.rdp.10000: 10.48 ms (baseline: 18.82 ms, -44.3%) ✓ sparkline.none.50000: 47.00 ms (baseline: 91.43 ms, -48.6%) sparkline.movingAvg.50000: 4.07 ms (baseline: 3.53 ms, +15.5%) ⚠️ sparkline.rdp.50000: 117.02 ms (baseline: 62.75 ms, +86.5%) ⚠️ sparkline.none.100000: 97.27 ms (baseline: 66.23 ms, +46.9%) ✓ sparkline.movingAvg.100000: 5.89 ms (baseline: 8.03 ms, -26.6%) ✓ sparkline.rdp.100000: 4.68 ms (baseline: 10.00 ms, -53.2%) ✓ sparkline.none.500000: 334.67 ms (baseline: 409.75 ms, -18.3%) sparkline.movingAvg.500000: 55.48 ms (baseline: 50.52 ms, +9.8%) sparkline.rdp.500000: 30.80 ms (baseline: 31.53 ms, -2.3%) sparkline.none.948423: 619.78 ms (baseline: 686.78 ms, -9.8%) sparkline.movingAvg.948423: 120.96 ms (baseline: 132.78 ms, -8.9%) ⚠️ sparkline.rdp.948423: 139.67 ms (baseline: 104.21 ms, +34.0%) ⚠️ windrose.aggregation.1000: 2.56 ms (baseline: 528.1 µs, +384.1%) ✓ windrose.draw.1000: 943.5 µs (baseline: 2.73 ms, -65.4%) windrose.aggregation.10000: 1.90 ms (baseline: 1.92 ms, -1.4%) ✓ windrose.draw.10000: 1.55 ms (baseline: 4.04 ms, -61.6%) ⚠️ windrose.aggregation.50000: 15.90 ms (baseline: 13.09 ms, +21.5%) ✓ windrose.draw.50000: 950.9 µs (baseline: 2.54 ms, -62.6%) windrose.aggregation.100000: 8.96 ms (baseline: 8.85 ms, +1.3%) windrose.draw.100000: 1.33 ms (baseline: 1.32 ms, +0.4%) ✓ windrose.aggregation.500000: 27.24 ms (baseline: 31.95 ms, -14.8%) ⚠️ windrose.draw.500000: 1.22 ms (baseline: 602.0 µs, +102.8%) ⚠️ windrose.aggregation.948423: 80.19 ms (baseline: 62.71 ms, +27.9%) ✓ windrose.draw.948423: 983.4 µs (baseline: 1.56 ms, -37.0%) ⚠️ scaling.none.1x: 12.94 ms (baseline: 9.04 ms, +43.2%) scaling.movingAvg.1x: 698.6 µs (baseline: 595.1 µs, +17.4%) ✓ scaling.rdp.1x: 1.47 ms (baseline: 1.89 ms, -22.2%) ⚠️ scaling.none.2x: 16.74 ms (baseline: 11.33 ms, +47.7%) ⚠️ scaling.movingAvg.2x: 2.43 ms (baseline: 1.06 ms, +130.0%) ⚠️ scaling.rdp.2x: 1.90 ms (baseline: 963.1 µs, +97.2%) ✓ scaling.none.5x: 25.84 ms (baseline: 55.35 ms, -53.3%) ⚠️ scaling.movingAvg.5x: 7.91 ms (baseline: 6.17 ms, +28.2%) ⚠️ scaling.rdp.5x: 4.14 ms (baseline: 2.56 ms, +61.5%) ✓ scaling.none.10x: 57.86 ms (baseline: 69.83 ms, -17.1%) ⚠️ scaling.movingAvg.10x: 6.45 ms (baseline: 4.59 ms, +40.7%) ⚠️ scaling.rdp.10x: 4.56 ms (baseline: 3.25 ms, +40.1%) scaling.none.20x: 131.73 ms (baseline: 137.98 ms, -4.5%) scaling.movingAvg.20x: 9.76 ms (baseline: 9.12 ms, +7.0%) scaling.rdp.20x: 8.38 ms (baseline: 8.78 ms, -4.6%) ⚠️ scaling.none.50x: 356.48 ms (baseline: 296.58 ms, +20.2%) ✓ scaling.movingAvg.50x: 46.20 ms (baseline: 53.22 ms, -13.2%) ✓ scaling.rdp.50x: 24.97 ms (baseline: 28.27 ms, -11.7%) ⚠️ multiseries.movingAvg.1series: 10.91 ms (baseline: 4.28 ms, +154.8%) ⚠️ multiseries.rdp.1series: 9.59 ms (baseline: 3.19 ms, +200.7%) ✓ multiseries.movingAvg.2series: 9.09 ms (baseline: 12.56 ms, -27.6%) ⚠️ multiseries.rdp.2series: 26.63 ms (baseline: 18.05 ms, +47.5%) ✓ multiseries.movingAvg.3series: 16.71 ms (baseline: 20.68 ms, -19.2%) ✓ multiseries.rdp.3series: 15.14 ms (baseline: 32.60 ms, -53.6%) ⚠️ multiseries.movingAvg.5series: 43.71 ms (baseline: 33.86 ms, +29.1%) ⚠️ multiseries.rdp.5series: 39.68 ms (baseline: 26.56 ms, +49.4%) 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: 46.39 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: 0.060 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: 0.045 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: 19.75 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: 2026-07-21T22:28:36Z [INFO] ------------------------------------------------------------------------