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: 2.530 s [INFO] Finished at: 2026-07-27T13:56:06Z [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: 2.149 s [INFO] Finished at: 2026-07-27T13:56:11Z [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: 2026-07-27T13:07:16.505019144Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 13:56:47.798 [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 | 3.16 ms | 3.12 ms 1,000 | 5.86 ms | 3.18 ms | 6.47 ms 10,000 | 19.36 ms | 1.20 ms | 4.79 ms 49,871 | 72.71 ms | 4.97 ms | 89.74 ms 97,643 | 62.20 ms | 7.00 ms | 7.38 ms 495,995 | 350.18 ms | 44.60 ms | 78.11 ms 944,282 | 663.38 ms | 129.68 ms | 75.95 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 | 469.2 µs | 6.54 ms | 7.01 ms 10,000 | 7.85 ms | 4.10 ms | 11.96 ms 50,000 | 23.89 ms | 2.39 ms | 26.28 ms 100,000 | 6.77 ms | 2.64 ms | 9.41 ms 500,000 | 39.93 ms | 1.68 ms | 41.61 ms 948,423 | 70.62 ms | 6.96 ms | 77.58 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 | 9.43 ms ( 0.4x) | 654.6 µs ( 0.4x) | 1.89 ms ( 1.0x) 2x | 19,996 | 15.73 ms ( 0.7x) | 6.64 ms ( 4.4x) | 1.79 ms ( 0.9x) 5x | 49,871 | 21.23 ms ( 0.9x) | 3.16 ms ( 2.1x) | 1.87 ms ( 0.9x) 10x | 97,643 | 68.74 ms ( 3.0x) | 6.14 ms ( 4.1x) | 7.03 ms ( 3.6x) 20x | 196,569 | 164.96 ms ( 7.1x) | 18.27 ms (12.2x) | 7.82 ms ( 4.0x) 50x | 495,995 | 322.32 ms (13.9x) | 79.63 ms (53.3x) | 28.90 ms (14.7x) 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 | 203.9 µs | 5 | 832.8 µs 10,000 | 5 | 1.89 ms | 5 | 1.38 ms 97,643 | 5 | 5.84 ms | 5 | 3.39 ms 495,995 | 5 | 49.37 ms | 5 | 36.91 ms 944,282 | 5 | 141.89 ms | 5 | 45.48 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 | 9.36 ms | 7.17 ms 2 | 17.45 ms | 20.40 ms 3 | 18.95 ms | 23.72 ms 5 | 28.09 ms | 40.38 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 3.08 ms (baseline: 5.34 ms, -42.3%) ✓ sparkline.movingAvg.100: 3.16 ms (baseline: 8.51 ms, -62.8%) ✓ sparkline.rdp.100: 3.12 ms (baseline: 7.80 ms, -60.0%) ✓ sparkline.none.1000: 5.86 ms (baseline: 12.96 ms, -54.8%) sparkline.movingAvg.1000: 3.18 ms (baseline: 3.12 ms, +1.9%) ⚠️ sparkline.rdp.1000: 6.47 ms (baseline: 2.71 ms, +138.8%) ✓ sparkline.none.10000: 19.36 ms (baseline: 36.65 ms, -47.2%) ✓ sparkline.movingAvg.10000: 1.20 ms (baseline: 3.36 ms, -64.3%) ✓ sparkline.rdp.10000: 4.79 ms (baseline: 17.58 ms, -72.7%) sparkline.none.50000: 72.71 ms (baseline: 71.81 ms, +1.2%) ✓ sparkline.movingAvg.50000: 4.97 ms (baseline: 7.64 ms, -34.9%) ⚠️ sparkline.rdp.50000: 89.74 ms (baseline: 48.09 ms, +86.6%) ✓ sparkline.none.100000: 62.20 ms (baseline: 80.70 ms, -22.9%) ✓ sparkline.movingAvg.100000: 7.00 ms (baseline: 13.97 ms, -49.9%) ✓ sparkline.rdp.100000: 7.38 ms (baseline: 20.70 ms, -64.4%) ✓ sparkline.none.500000: 350.18 ms (baseline: 423.94 ms, -17.4%) ✓ sparkline.movingAvg.500000: 44.60 ms (baseline: 51.21 ms, -12.9%) ⚠️ sparkline.rdp.500000: 78.11 ms (baseline: 42.90 ms, +82.1%) sparkline.none.948423: 663.38 ms (baseline: 664.26 ms, -0.1%) ✓ sparkline.movingAvg.948423: 129.68 ms (baseline: 206.31 ms, -37.1%) ⚠️ sparkline.rdp.948423: 75.95 ms (baseline: 61.67 ms, +23.2%) ✓ windrose.aggregation.1000: 469.2 µs (baseline: 706.5 µs, -33.6%) ⚠️ windrose.draw.1000: 6.54 ms (baseline: 890.9 µs, +634.1%) ⚠️ windrose.aggregation.10000: 7.85 ms (baseline: 1.69 ms, +363.6%) ⚠️ windrose.draw.10000: 4.10 ms (baseline: 1.00 ms, +309.9%) ⚠️ windrose.aggregation.50000: 23.89 ms (baseline: 9.23 ms, +158.9%) ⚠️ windrose.draw.50000: 2.39 ms (baseline: 1.44 ms, +66.6%) ✓ windrose.aggregation.100000: 6.77 ms (baseline: 14.68 ms, -53.9%) ⚠️ windrose.draw.100000: 2.64 ms (baseline: 1.52 ms, +73.9%) ⚠️ windrose.aggregation.500000: 39.93 ms (baseline: 20.71 ms, +92.8%) windrose.draw.500000: 1.68 ms (baseline: 1.64 ms, +2.4%) ⚠️ windrose.aggregation.948423: 70.62 ms (baseline: 44.63 ms, +58.2%) ⚠️ windrose.draw.948423: 6.96 ms (baseline: 921.9 µs, +654.5%) ✓ scaling.none.1x: 9.43 ms (baseline: 12.74 ms, -26.0%) ✓ scaling.movingAvg.1x: 654.6 µs (baseline: 858.6 µs, -23.8%) ⚠️ scaling.rdp.1x: 1.89 ms (baseline: 617.8 µs, +205.2%) ✓ scaling.none.2x: 15.73 ms (baseline: 39.73 ms, -60.4%) ⚠️ scaling.movingAvg.2x: 6.64 ms (baseline: 4.28 ms, +55.0%) ✓ scaling.rdp.2x: 1.79 ms (baseline: 2.88 ms, -37.9%) ✓ scaling.none.5x: 21.23 ms (baseline: 28.72 ms, -26.1%) ✓ scaling.movingAvg.5x: 3.16 ms (baseline: 4.02 ms, -21.6%) ✓ scaling.rdp.5x: 1.87 ms (baseline: 2.16 ms, -13.7%) ✓ scaling.none.10x: 68.74 ms (baseline: 80.53 ms, -14.6%) ✓ scaling.movingAvg.10x: 6.14 ms (baseline: 7.48 ms, -17.9%) ⚠️ scaling.rdp.10x: 7.03 ms (baseline: 5.34 ms, +31.6%) ✓ scaling.none.20x: 164.96 ms (baseline: 187.00 ms, -11.8%) ✓ scaling.movingAvg.20x: 18.27 ms (baseline: 28.80 ms, -36.5%) scaling.rdp.20x: 7.82 ms (baseline: 8.19 ms, -4.5%) scaling.none.50x: 322.32 ms (baseline: 349.33 ms, -7.7%) ⚠️ scaling.movingAvg.50x: 79.63 ms (baseline: 65.88 ms, +20.9%) ✓ scaling.rdp.50x: 28.90 ms (baseline: 48.91 ms, -40.9%) ✓ multiseries.movingAvg.1series: 9.36 ms (baseline: 12.45 ms, -24.8%) ✓ multiseries.rdp.1series: 7.17 ms (baseline: 9.72 ms, -26.2%) ✓ multiseries.movingAvg.2series: 17.45 ms (baseline: 27.60 ms, -36.8%) ⚠️ multiseries.rdp.2series: 20.40 ms (baseline: 14.44 ms, +41.3%) multiseries.movingAvg.3series: 18.95 ms (baseline: 17.88 ms, +6.0%) ⚠️ multiseries.rdp.3series: 23.72 ms (baseline: 15.72 ms, +50.9%) ✓ multiseries.movingAvg.5series: 28.09 ms (baseline: 40.04 ms, -29.8%) ✓ multiseries.rdp.5series: 40.38 ms (baseline: 51.37 ms, -21.4%) 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: 44.45 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: 0.028 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: 0.033 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: 21.64 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: 2026-07-27T13:57:38Z [INFO] ------------------------------------------------------------------------