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 8144624 deps so that they build also with Spring Boot 404 aka Jackson not Found $ mvn versions:set-property -Dproperty=vaadin.version -DnewVersion=25.1.7 -DgenerateBackupPoms=false -B --no-transfer-progress [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.0.1-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 1.0.1-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: 2.456 s [INFO] Finished at: 2026-06-10T07:26:41Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1.7 -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.0.1-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 1.0.1-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:1.0.1-SNAPSHOT -> 25.1.7 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.294 s [INFO] Finished at: 2026-06-10T07:26:46Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress -DskipPerformanceValidation=true [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.0.1-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 1.0.1-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:1.0.1-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 6.8.0-124-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-06-10T05:45:06.217114335Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:27:19.332 [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 | 2.91 ms | 1.49 ms | 1.97 ms 1,000 | 5.03 ms | 2.00 ms | 2.64 ms 10,000 | 38.67 ms | 2.60 ms | 3.89 ms 49,871 | 39.00 ms | 3.29 ms | 81.68 ms 97,643 | 57.97 ms | 8.62 ms | 20.66 ms 495,995 | 376.67 ms | 43.45 ms | 26.52 ms 944,282 | 665.61 ms | 134.54 ms | 100.00 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 | 427.2 µs | 1.43 ms | 1.86 ms 10,000 | 4.40 ms | 1.22 ms | 5.62 ms 50,000 | 14.28 ms | 679.3 µs | 14.96 ms 100,000 | 7.09 ms | 839.8 µs | 7.93 ms 500,000 | 19.42 ms | 612.5 µs | 20.04 ms 948,423 | 39.04 ms | 694.3 µs | 39.73 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 | 8.65 ms ( 1.3x) | 2.33 ms ( 3.1x) | 2.28 ms ( 2.1x) 2x | 19,996 | 12.40 ms ( 1.9x) | 1.27 ms ( 1.7x) | 951.0 µs ( 0.9x) 5x | 49,871 | 37.55 ms ( 5.8x) | 10.98 ms (14.7x) | 6.55 ms ( 5.9x) 10x | 97,643 | 61.14 ms ( 9.5x) | 5.45 ms ( 7.3x) | 6.20 ms ( 5.6x) 20x | 196,569 | 142.83 ms (22.1x) | 14.12 ms (18.9x) | 13.69 ms (12.4x) 50x | 495,995 | 323.59 ms (50.0x) | 29.88 ms (40.0x) | 20.77 ms (18.8x) 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 | 868.0 µs | 5 | 1.74 ms 10,000 | 5 | 992.4 µs | 5 | 1.59 ms 97,643 | 5 | 5.37 ms | 5 | 3.54 ms 495,995 | 5 | 44.91 ms | 5 | 86.43 ms 944,282 | 5 | 135.61 ms | 5 | 78.41 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 | 7.69 ms | 4.60 ms 2 | 12.63 ms | 11.22 ms 3 | 22.02 ms | 31.42 ms 5 | 25.73 ms | 28.49 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 2.91 ms (baseline: 2.38 ms, +22.2%) ✓ sparkline.movingAvg.100: 1.49 ms (baseline: 3.45 ms, -56.7%) ✓ sparkline.rdp.100: 1.97 ms (baseline: 5.80 ms, -66.0%) ⚠️ sparkline.none.1000: 5.03 ms (baseline: 4.18 ms, +20.2%) ✓ sparkline.movingAvg.1000: 2.00 ms (baseline: 5.68 ms, -64.8%) ✓ sparkline.rdp.1000: 2.64 ms (baseline: 3.21 ms, -17.7%) ⚠️ sparkline.none.10000: 38.67 ms (baseline: 21.11 ms, +83.2%) ✓ sparkline.movingAvg.10000: 2.60 ms (baseline: 3.29 ms, -21.0%) ✓ sparkline.rdp.10000: 3.89 ms (baseline: 7.44 ms, -47.7%) ✓ sparkline.none.50000: 39.00 ms (baseline: 62.01 ms, -37.1%) ✓ sparkline.movingAvg.50000: 3.29 ms (baseline: 5.63 ms, -41.6%) sparkline.rdp.50000: 81.68 ms (baseline: 81.75 ms, -0.1%) ✓ sparkline.none.100000: 57.97 ms (baseline: 73.37 ms, -21.0%) ✓ sparkline.movingAvg.100000: 8.62 ms (baseline: 12.75 ms, -32.4%) ⚠️ sparkline.rdp.100000: 20.66 ms (baseline: 12.58 ms, +64.3%) sparkline.none.500000: 376.67 ms (baseline: 358.14 ms, +5.2%) sparkline.movingAvg.500000: 43.45 ms (baseline: 37.04 ms, +17.3%) sparkline.rdp.500000: 26.52 ms (baseline: 25.93 ms, +2.3%) sparkline.none.948423: 665.61 ms (baseline: 652.27 ms, +2.0%) sparkline.movingAvg.948423: 134.54 ms (baseline: 129.30 ms, +4.0%) ✓ sparkline.rdp.948423: 100.00 ms (baseline: 122.61 ms, -18.4%) ✓ windrose.aggregation.1000: 427.2 µs (baseline: 522.1 µs, -18.2%) ✓ windrose.draw.1000: 1.43 ms (baseline: 2.62 ms, -45.3%) ✓ windrose.aggregation.10000: 4.40 ms (baseline: 5.44 ms, -19.1%) ✓ windrose.draw.10000: 1.22 ms (baseline: 2.64 ms, -53.8%) windrose.aggregation.50000: 14.28 ms (baseline: 13.66 ms, +4.5%) ✓ windrose.draw.50000: 679.3 µs (baseline: 2.35 ms, -71.1%) ✓ windrose.aggregation.100000: 7.09 ms (baseline: 10.31 ms, -31.2%) ✓ windrose.draw.100000: 839.8 µs (baseline: 2.43 ms, -65.4%) ✓ windrose.aggregation.500000: 19.42 ms (baseline: 48.05 ms, -59.6%) ✓ windrose.draw.500000: 612.5 µs (baseline: 2.53 ms, -75.8%) windrose.aggregation.948423: 39.04 ms (baseline: 41.25 ms, -5.4%) windrose.draw.948423: 694.3 µs (baseline: 589.7 µs, +17.7%) ✓ scaling.none.1x: 8.65 ms (baseline: 9.81 ms, -11.8%) ⚠️ scaling.movingAvg.1x: 2.33 ms (baseline: 1.11 ms, +110.2%) ⚠️ scaling.rdp.1x: 2.28 ms (baseline: 1.27 ms, +79.0%) ✓ scaling.none.2x: 12.40 ms (baseline: 32.64 ms, -62.0%) ✓ scaling.movingAvg.2x: 1.27 ms (baseline: 3.53 ms, -64.0%) ✓ scaling.rdp.2x: 951.0 µs (baseline: 1.22 ms, -22.3%) scaling.none.5x: 37.55 ms (baseline: 38.58 ms, -2.7%) ⚠️ scaling.movingAvg.5x: 10.98 ms (baseline: 4.23 ms, +159.4%) ⚠️ scaling.rdp.5x: 6.55 ms (baseline: 3.10 ms, +111.3%) ✓ scaling.none.10x: 61.14 ms (baseline: 69.72 ms, -12.3%) ✓ scaling.movingAvg.10x: 5.45 ms (baseline: 9.65 ms, -43.5%) ✓ scaling.rdp.10x: 6.20 ms (baseline: 11.31 ms, -45.2%) scaling.none.20x: 142.83 ms (baseline: 126.82 ms, +12.6%) scaling.movingAvg.20x: 14.12 ms (baseline: 12.57 ms, +12.3%) scaling.rdp.20x: 13.69 ms (baseline: 14.71 ms, -6.9%) ✓ scaling.none.50x: 323.59 ms (baseline: 426.74 ms, -24.2%) ✓ scaling.movingAvg.50x: 29.88 ms (baseline: 42.71 ms, -30.0%) ✓ scaling.rdp.50x: 20.77 ms (baseline: 63.77 ms, -67.4%) ✓ multiseries.movingAvg.1series: 7.69 ms (baseline: 9.93 ms, -22.5%) ✓ multiseries.rdp.1series: 4.60 ms (baseline: 13.22 ms, -65.2%) multiseries.movingAvg.2series: 12.63 ms (baseline: 13.18 ms, -4.1%) ✓ multiseries.rdp.2series: 11.22 ms (baseline: 14.99 ms, -25.2%) multiseries.movingAvg.3series: 22.02 ms (baseline: 18.84 ms, +16.9%) ⚠️ multiseries.rdp.3series: 31.42 ms (baseline: 15.86 ms, +98.1%) multiseries.movingAvg.5series: 25.73 ms (baseline: 22.43 ms, +14.7%) multiseries.rdp.5series: 28.49 ms (baseline: 29.56 ms, -3.6%) 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: 42.85 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: 0.025 s -- in org.vaadin.svgvis.unit.WindRoseTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineTest [INFO] Tests run: 8, 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: 18.15 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 23, 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-1.0.1-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:11 min [INFO] Finished at: 2026-06-10T07:28:06Z [INFO] ------------------------------------------------------------------------