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: 2.940 s [INFO] Finished at: 2026-07-21T16:39:24Z [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: 2.466 s [INFO] Finished at: 2026-07-21T16:39:29Z [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: 2026-07-21T15:38:32.880553591Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 16:40:07.046 [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 | 3.08 ms | 5.30 ms | 2.33 ms 1,000 | 3.60 ms | 2.99 ms | 3.77 ms 10,000 | 35.92 ms | 11.24 ms | 13.92 ms 49,871 | 40.96 ms | 7.83 ms | 52.31 ms 97,643 | 103.56 ms | 10.19 ms | 13.43 ms 495,995 | 417.57 ms | 53.05 ms | 50.54 ms 944,282 | 610.52 ms | 126.78 ms | 89.07 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 | 474.2 µs | 2.47 ms | 2.94 ms 10,000 | 3.51 ms | 2.01 ms | 5.52 ms 50,000 | 17.85 ms | 2.88 ms | 20.73 ms 100,000 | 17.09 ms | 1.37 ms | 18.45 ms 500,000 | 46.36 ms | 1.91 ms | 48.27 ms 948,423 | 103.83 ms | 1.99 ms | 105.82 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 | 15.75 ms ( 1.0x) | 1.19 ms ( 1.0x) | 563.8 µs ( 0.9x) 2x | 19,996 | 8.89 ms ( 0.5x) | 2.31 ms ( 2.0x) | 2.11 ms ( 3.4x) 5x | 49,871 | 47.21 ms ( 2.9x) | 5.93 ms ( 5.2x) | 4.51 ms ( 7.4x) 10x | 97,643 | 58.06 ms ( 3.6x) | 12.17 ms (10.6x) | 7.71 ms (12.6x) 20x | 196,569 | 110.94 ms ( 6.8x) | 24.72 ms (21.5x) | 13.96 ms (22.8x) 50x | 495,995 | 284.21 ms (17.4x) | 67.89 ms (59.1x) | 22.70 ms (37.0x) 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 | 705.7 µs | 5 | 722.3 µs 10,000 | 5 | 2.20 ms | 5 | 1.27 ms 97,643 | 5 | 5.17 ms | 5 | 5.87 ms 495,995 | 5 | 48.64 ms | 5 | 78.05 ms 944,282 | 5 | 132.76 ms | 5 | 132.89 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 | 13.33 ms | 8.92 ms 2 | 13.42 ms | 17.99 ms 3 | 17.71 ms | 21.41 ms 5 | 33.44 ms | 37.35 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 3.08 ms (baseline: 6.84 ms, -55.0%) ✓ sparkline.movingAvg.100: 5.30 ms (baseline: 11.68 ms, -54.6%) ✓ sparkline.rdp.100: 2.33 ms (baseline: 3.85 ms, -39.6%) ✓ sparkline.none.1000: 3.60 ms (baseline: 7.08 ms, -49.1%) ✓ sparkline.movingAvg.1000: 2.99 ms (baseline: 4.30 ms, -30.3%) ✓ sparkline.rdp.1000: 3.77 ms (baseline: 5.09 ms, -25.8%) ⚠️ sparkline.none.10000: 35.92 ms (baseline: 24.74 ms, +45.2%) ⚠️ sparkline.movingAvg.10000: 11.24 ms (baseline: 3.11 ms, +261.2%) ⚠️ sparkline.rdp.10000: 13.92 ms (baseline: 10.77 ms, +29.2%) ✓ sparkline.none.50000: 40.96 ms (baseline: 48.41 ms, -15.4%) ⚠️ sparkline.movingAvg.50000: 7.83 ms (baseline: 4.34 ms, +80.4%) sparkline.rdp.50000: 52.31 ms (baseline: 51.46 ms, +1.6%) sparkline.none.100000: 103.56 ms (baseline: 94.58 ms, +9.5%) ✓ sparkline.movingAvg.100000: 10.19 ms (baseline: 23.79 ms, -57.2%) sparkline.rdp.100000: 13.43 ms (baseline: 12.44 ms, +7.9%) sparkline.none.500000: 417.57 ms (baseline: 408.67 ms, +2.2%) sparkline.movingAvg.500000: 53.05 ms (baseline: 47.05 ms, +12.8%) ⚠️ sparkline.rdp.500000: 50.54 ms (baseline: 22.98 ms, +119.9%) ✓ sparkline.none.948423: 610.52 ms (baseline: 697.26 ms, -12.4%) ✓ sparkline.movingAvg.948423: 126.78 ms (baseline: 147.36 ms, -14.0%) ✓ sparkline.rdp.948423: 89.07 ms (baseline: 145.43 ms, -38.8%) windrose.aggregation.1000: 474.2 µs (baseline: 428.0 µs, +10.8%) ✓ windrose.draw.1000: 2.47 ms (baseline: 3.47 ms, -28.9%) ⚠️ windrose.aggregation.10000: 3.51 ms (baseline: 1.72 ms, +103.7%) ⚠️ windrose.draw.10000: 2.01 ms (baseline: 1.27 ms, +58.8%) ⚠️ windrose.aggregation.50000: 17.85 ms (baseline: 10.31 ms, +73.2%) ⚠️ windrose.draw.50000: 2.88 ms (baseline: 1.10 ms, +162.8%) ⚠️ windrose.aggregation.100000: 17.09 ms (baseline: 5.16 ms, +231.0%) ⚠️ windrose.draw.100000: 1.37 ms (baseline: 944.3 µs, +44.8%) ⚠️ windrose.aggregation.500000: 46.36 ms (baseline: 20.64 ms, +124.7%) ⚠️ windrose.draw.500000: 1.91 ms (baseline: 669.4 µs, +185.6%) ⚠️ windrose.aggregation.948423: 103.83 ms (baseline: 53.27 ms, +94.9%) ⚠️ windrose.draw.948423: 1.99 ms (baseline: 1.42 ms, +40.2%) ✓ scaling.none.1x: 15.75 ms (baseline: 22.23 ms, -29.1%) ✓ scaling.movingAvg.1x: 1.19 ms (baseline: 2.96 ms, -59.9%) ✓ scaling.rdp.1x: 563.8 µs (baseline: 1.25 ms, -54.7%) ✓ scaling.none.2x: 8.89 ms (baseline: 15.69 ms, -43.3%) ⚠️ scaling.movingAvg.2x: 2.31 ms (baseline: 1.21 ms, +90.9%) ⚠️ scaling.rdp.2x: 2.11 ms (baseline: 1.56 ms, +35.4%) scaling.none.5x: 47.21 ms (baseline: 39.48 ms, +19.6%) ⚠️ scaling.movingAvg.5x: 5.93 ms (baseline: 2.59 ms, +129.0%) ⚠️ scaling.rdp.5x: 4.51 ms (baseline: 1.76 ms, +156.7%) scaling.none.10x: 58.06 ms (baseline: 64.19 ms, -9.6%) ⚠️ scaling.movingAvg.10x: 12.17 ms (baseline: 7.60 ms, +60.0%) ✓ scaling.rdp.10x: 7.71 ms (baseline: 11.16 ms, -30.9%) scaling.none.20x: 110.94 ms (baseline: 97.40 ms, +13.9%) scaling.movingAvg.20x: 24.72 ms (baseline: 24.29 ms, +1.8%) ✓ scaling.rdp.20x: 13.96 ms (baseline: 16.93 ms, -17.5%) scaling.none.50x: 284.21 ms (baseline: 306.35 ms, -7.2%) ⚠️ scaling.movingAvg.50x: 67.89 ms (baseline: 36.75 ms, +84.7%) ✓ scaling.rdp.50x: 22.70 ms (baseline: 27.79 ms, -18.3%) ⚠️ multiseries.movingAvg.1series: 13.33 ms (baseline: 7.88 ms, +69.2%) ⚠️ multiseries.rdp.1series: 8.92 ms (baseline: 5.01 ms, +77.9%) ✓ multiseries.movingAvg.2series: 13.42 ms (baseline: 29.14 ms, -53.9%) ✓ multiseries.rdp.2series: 17.99 ms (baseline: 25.37 ms, -29.1%) ✓ multiseries.movingAvg.3series: 17.71 ms (baseline: 32.55 ms, -45.6%) multiseries.rdp.3series: 21.41 ms (baseline: 22.30 ms, -4.0%) multiseries.movingAvg.5series: 33.44 ms (baseline: 28.35 ms, +17.9%) ⚠️ multiseries.rdp.5series: 37.35 ms (baseline: 26.89 ms, +38.9%) 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: 47.26 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: 0.052 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: 0.047 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: 20.26 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: 01:19 min [INFO] Finished at: 2026-07-21T16:40:57Z [INFO] ------------------------------------------------------------------------