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=25.2-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:1.0.1-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: 2.648 s [INFO] Finished at: 2026-06-09T00:34:29Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2-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:1.0.1-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 -> 25.2-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.126 s [INFO] Finished at: 2026-06-09T00:34:34Z [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:1.0.1-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: 2026-06-08T22:41:59.012150626Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 00:35:10.804 [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 | 5.23 ms | 9.32 ms | 3.08 ms 1,000 | 3.27 ms | 3.83 ms | 4.95 ms 10,000 | 19.40 ms | 2.62 ms | 4.99 ms 49,871 | 55.54 ms | 13.06 ms | 62.83 ms 97,643 | 97.30 ms | 9.82 ms | 6.78 ms 495,995 | 349.11 ms | 63.35 ms | 29.11 ms 944,282 | 501.44 ms | 84.32 ms | 150.57 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 | 405.1 µs | 816.8 µs | 1.22 ms 10,000 | 1.62 ms | 2.62 ms | 4.24 ms 50,000 | 8.79 ms | 659.6 µs | 9.45 ms 100,000 | 9.20 ms | 1.31 ms | 10.51 ms 500,000 | 36.87 ms | 926.9 µs | 37.79 ms 948,423 | 55.70 ms | 540.4 µs | 56.24 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 | 8.37 ms ( 1.0x) | 1.24 ms ( 0.6x) | 970.0 µs ( 0.7x) 2x | 19,996 | 10.11 ms ( 1.2x) | 3.57 ms ( 1.8x) | 1.62 ms ( 1.2x) 5x | 49,871 | 22.80 ms ( 2.6x) | 3.33 ms ( 1.6x) | 2.05 ms ( 1.5x) 10x | 97,643 | 43.05 ms ( 5.0x) | 5.25 ms ( 2.6x) | 3.49 ms ( 2.6x) 20x | 196,569 | 95.48 ms (11.0x) | 12.60 ms ( 6.2x) | 8.03 ms ( 6.0x) 50x | 495,995 | 245.52 ms (28.4x) | 34.58 ms (17.0x) | 27.17 ms (20.5x) 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 | 170.4 µs | 5 | 201.8 µs 10,000 | 5 | 640.8 µs | 5 | 482.7 µs 97,643 | 5 | 5.21 ms | 5 | 3.32 ms 495,995 | 5 | 38.94 ms | 5 | 57.48 ms 944,282 | 5 | 107.08 ms | 5 | 60.49 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 | 8.64 ms | 6.97 ms 2 | 14.83 ms | 10.39 ms 3 | 14.15 ms | 14.43 ms 5 | 26.68 ms | 24.84 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 5.23 ms (baseline: 5.07 ms, +3.2%) ⚠️ sparkline.movingAvg.100: 9.32 ms (baseline: 4.45 ms, +109.3%) ✓ sparkline.rdp.100: 3.08 ms (baseline: 3.92 ms, -21.3%) sparkline.none.1000: 3.27 ms (baseline: 3.32 ms, -1.3%) ⚠️ sparkline.movingAvg.1000: 3.83 ms (baseline: 2.25 ms, +70.4%) ⚠️ sparkline.rdp.1000: 4.95 ms (baseline: 2.64 ms, +87.8%) ✓ sparkline.none.10000: 19.40 ms (baseline: 30.59 ms, -36.6%) ✓ sparkline.movingAvg.10000: 2.62 ms (baseline: 9.57 ms, -72.6%) ✓ sparkline.rdp.10000: 4.99 ms (baseline: 10.88 ms, -54.2%) ⚠️ sparkline.none.50000: 55.54 ms (baseline: 33.98 ms, +63.5%) ⚠️ sparkline.movingAvg.50000: 13.06 ms (baseline: 3.46 ms, +278.0%) ✓ sparkline.rdp.50000: 62.83 ms (baseline: 77.64 ms, -19.1%) ⚠️ sparkline.none.100000: 97.30 ms (baseline: 57.09 ms, +70.4%) ⚠️ sparkline.movingAvg.100000: 9.82 ms (baseline: 7.37 ms, +33.2%) sparkline.rdp.100000: 6.78 ms (baseline: 6.32 ms, +7.3%) ✓ sparkline.none.500000: 349.11 ms (baseline: 389.08 ms, -10.3%) sparkline.movingAvg.500000: 63.35 ms (baseline: 59.83 ms, +5.9%) ✓ sparkline.rdp.500000: 29.11 ms (baseline: 36.41 ms, -20.1%) ✓ sparkline.none.948423: 501.44 ms (baseline: 627.98 ms, -20.2%) ✓ sparkline.movingAvg.948423: 84.32 ms (baseline: 144.00 ms, -41.4%) ⚠️ sparkline.rdp.948423: 150.57 ms (baseline: 94.28 ms, +59.7%) windrose.aggregation.1000: 405.1 µs (baseline: 399.0 µs, +1.5%) ✓ windrose.draw.1000: 816.8 µs (baseline: 2.49 ms, -67.2%) ✓ windrose.aggregation.10000: 1.62 ms (baseline: 2.80 ms, -42.2%) ✓ windrose.draw.10000: 2.62 ms (baseline: 2.99 ms, -12.6%) ✓ windrose.aggregation.50000: 8.79 ms (baseline: 11.68 ms, -24.7%) ✓ windrose.draw.50000: 659.6 µs (baseline: 774.0 µs, -14.8%) ⚠️ windrose.aggregation.100000: 9.20 ms (baseline: 3.77 ms, +144.4%) ⚠️ windrose.draw.100000: 1.31 ms (baseline: 834.6 µs, +57.0%) ⚠️ windrose.aggregation.500000: 36.87 ms (baseline: 18.76 ms, +96.5%) ⚠️ windrose.draw.500000: 926.9 µs (baseline: 707.1 µs, +31.1%) windrose.aggregation.948423: 55.70 ms (baseline: 52.74 ms, +5.6%) ✓ windrose.draw.948423: 540.4 µs (baseline: 18.18 ms, -97.0%) ✓ scaling.none.1x: 8.37 ms (baseline: 14.43 ms, -42.0%) ✓ scaling.movingAvg.1x: 1.24 ms (baseline: 2.28 ms, -45.6%) ✓ scaling.rdp.1x: 970.0 µs (baseline: 1.86 ms, -47.9%) ✓ scaling.none.2x: 10.11 ms (baseline: 17.90 ms, -43.5%) scaling.movingAvg.2x: 3.57 ms (baseline: 3.79 ms, -5.7%) ✓ scaling.rdp.2x: 1.62 ms (baseline: 2.25 ms, -27.9%) ✓ scaling.none.5x: 22.80 ms (baseline: 38.51 ms, -40.8%) ✓ scaling.movingAvg.5x: 3.33 ms (baseline: 4.27 ms, -21.9%) scaling.rdp.5x: 2.05 ms (baseline: 1.96 ms, +4.7%) ✓ scaling.none.10x: 43.05 ms (baseline: 57.75 ms, -25.4%) ✓ scaling.movingAvg.10x: 5.25 ms (baseline: 6.10 ms, -13.9%) ✓ scaling.rdp.10x: 3.49 ms (baseline: 5.16 ms, -32.3%) ✓ scaling.none.20x: 95.48 ms (baseline: 134.44 ms, -29.0%) ✓ scaling.movingAvg.20x: 12.60 ms (baseline: 14.91 ms, -15.5%) ✓ scaling.rdp.20x: 8.03 ms (baseline: 12.74 ms, -37.0%) ✓ scaling.none.50x: 245.52 ms (baseline: 297.71 ms, -17.5%) ✓ scaling.movingAvg.50x: 34.58 ms (baseline: 38.84 ms, -11.0%) ✓ scaling.rdp.50x: 27.17 ms (baseline: 32.27 ms, -15.8%) ✓ multiseries.movingAvg.1series: 8.64 ms (baseline: 16.32 ms, -47.1%) ✓ multiseries.rdp.1series: 6.97 ms (baseline: 9.43 ms, -26.2%) ✓ multiseries.movingAvg.2series: 14.83 ms (baseline: 25.04 ms, -40.8%) ✓ multiseries.rdp.2series: 10.39 ms (baseline: 18.92 ms, -45.0%) multiseries.movingAvg.3series: 14.15 ms (baseline: 14.18 ms, -0.2%) ✓ multiseries.rdp.3series: 14.43 ms (baseline: 25.28 ms, -42.9%) ✓ multiseries.movingAvg.5series: 26.68 ms (baseline: 37.26 ms, -28.4%) ✓ multiseries.rdp.5series: 24.84 ms (baseline: 39.40 ms, -36.9%) 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: 41.01 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: 0.010 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: 0.017 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: 13.77 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: 01:05 min [INFO] Finished at: 2026-06-09T00:35:49Z [INFO] ------------------------------------------------------------------------