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=25.0-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: 2.484 s [INFO] Finished at: 2026-04-21T04:07:52Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.0-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 -> 25.0-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.088 s [INFO] Finished at: 2026-04-21T04:07:57Z [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 6.8.0-110-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-04-21T01:46:01.445391733Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 04:08:22.364 [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 | 6.62 ms | 2.76 ms | 1.59 ms 1,000 | 4.84 ms | 4.07 ms | 1.44 ms 10,000 | 20.38 ms | 1.35 ms | 4.28 ms 49,871 | 33.42 ms | 3.46 ms | 43.52 ms 97,643 | 49.37 ms | 5.36 ms | 3.51 ms 495,995 | 262.34 ms | 35.58 ms | 18.93 ms 944,282 | 430.39 ms | 78.30 ms | 157.61 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 | 409.9 µs | 900.4 µs | 1.31 ms 10,000 | 1.50 ms | 728.7 µs | 2.23 ms 50,000 | 6.98 ms | 595.1 µs | 7.58 ms 100,000 | 4.68 ms | 1.26 ms | 5.94 ms 500,000 | 21.12 ms | 593.7 µs | 21.72 ms 948,423 | 42.91 ms | 739.6 µs | 43.65 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 | 4.39 ms ( 0.9x) | 686.3 µs ( 0.9x) | 628.6 µs ( 0.9x) 2x | 19,996 | 9.15 ms ( 1.9x) | 1.25 ms ( 1.7x) | 898.9 µs ( 1.3x) 5x | 49,871 | 29.80 ms ( 6.3x) | 4.40 ms ( 6.1x) | 3.38 ms ( 5.0x) 10x | 97,643 | 38.21 ms ( 8.1x) | 5.36 ms ( 7.4x) | 3.36 ms ( 4.9x) 20x | 196,569 | 98.48 ms (20.8x) | 9.20 ms (12.7x) | 9.13 ms (13.4x) 50x | 495,995 | 225.42 ms (47.5x) | 33.60 ms (46.4x) | 22.78 ms (33.5x) 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 | 192.0 µs | 5 | 240.8 µs 10,000 | 5 | 659.2 µs | 5 | 453.1 µs 97,643 | 5 | 4.70 ms | 5 | 4.07 ms 495,995 | 5 | 30.18 ms | 5 | 22.01 ms 944,282 | 5 | 159.84 ms | 5 | 46.85 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 | 4.57 ms | 5.95 ms 2 | 12.32 ms | 12.65 ms 3 | 16.39 ms | 16.36 ms 5 | 22.53 ms | 28.74 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 6.62 ms (baseline: 1.69 ms, +292.6%) ⚠️ sparkline.movingAvg.100: 2.76 ms (baseline: 1.67 ms, +65.7%) ✓ sparkline.rdp.100: 1.59 ms (baseline: 2.42 ms, -34.5%) ✓ sparkline.none.1000: 4.84 ms (baseline: 6.15 ms, -21.3%) ⚠️ sparkline.movingAvg.1000: 4.07 ms (baseline: 1.82 ms, +123.7%) ✓ sparkline.rdp.1000: 1.44 ms (baseline: 2.91 ms, -50.5%) sparkline.none.10000: 20.38 ms (baseline: 18.89 ms, +7.9%) ✓ sparkline.movingAvg.10000: 1.35 ms (baseline: 7.04 ms, -80.8%) ✓ sparkline.rdp.10000: 4.28 ms (baseline: 6.31 ms, -32.1%) ✓ sparkline.none.50000: 33.42 ms (baseline: 52.72 ms, -36.6%) ✓ sparkline.movingAvg.50000: 3.46 ms (baseline: 4.38 ms, -21.1%) ✓ sparkline.rdp.50000: 43.52 ms (baseline: 63.39 ms, -31.4%) ✓ sparkline.none.100000: 49.37 ms (baseline: 60.52 ms, -18.4%) sparkline.movingAvg.100000: 5.36 ms (baseline: 4.70 ms, +14.1%) ✓ sparkline.rdp.100000: 3.51 ms (baseline: 11.08 ms, -68.3%) ✓ sparkline.none.500000: 262.34 ms (baseline: 328.18 ms, -20.1%) sparkline.movingAvg.500000: 35.58 ms (baseline: 33.48 ms, +6.3%) ✓ sparkline.rdp.500000: 18.93 ms (baseline: 31.35 ms, -39.6%) ✓ sparkline.none.948423: 430.39 ms (baseline: 602.74 ms, -28.6%) ✓ sparkline.movingAvg.948423: 78.30 ms (baseline: 111.22 ms, -29.6%) ⚠️ sparkline.rdp.948423: 157.61 ms (baseline: 95.56 ms, +64.9%) windrose.aggregation.1000: 409.9 µs (baseline: 421.6 µs, -2.8%) ✓ windrose.draw.1000: 900.4 µs (baseline: 1.23 ms, -26.7%) ✓ windrose.aggregation.10000: 1.50 ms (baseline: 4.97 ms, -69.8%) ✓ windrose.draw.10000: 728.7 µs (baseline: 2.44 ms, -70.2%) ✓ windrose.aggregation.50000: 6.98 ms (baseline: 26.31 ms, -73.5%) ✓ windrose.draw.50000: 595.1 µs (baseline: 1.14 ms, -47.6%) ✓ windrose.aggregation.100000: 4.68 ms (baseline: 9.52 ms, -50.8%) ✓ windrose.draw.100000: 1.26 ms (baseline: 3.01 ms, -58.1%) ✓ windrose.aggregation.500000: 21.12 ms (baseline: 60.34 ms, -65.0%) ✓ windrose.draw.500000: 593.7 µs (baseline: 3.12 ms, -81.0%) ✓ windrose.aggregation.948423: 42.91 ms (baseline: 54.08 ms, -20.7%) ✓ windrose.draw.948423: 739.6 µs (baseline: 2.88 ms, -74.3%) ✓ scaling.none.1x: 4.39 ms (baseline: 8.98 ms, -51.1%) ✓ scaling.movingAvg.1x: 686.3 µs (baseline: 1.67 ms, -58.9%) ✓ scaling.rdp.1x: 628.6 µs (baseline: 993.4 µs, -36.7%) ✓ scaling.none.2x: 9.15 ms (baseline: 12.82 ms, -28.6%) ✓ scaling.movingAvg.2x: 1.25 ms (baseline: 1.53 ms, -18.7%) scaling.rdp.2x: 898.9 µs (baseline: 834.7 µs, +7.7%) scaling.none.5x: 29.80 ms (baseline: 27.20 ms, +9.6%) ✓ scaling.movingAvg.5x: 4.40 ms (baseline: 5.01 ms, -12.1%) scaling.rdp.5x: 3.38 ms (baseline: 3.70 ms, -8.5%) ✓ scaling.none.10x: 38.21 ms (baseline: 65.59 ms, -41.7%) scaling.movingAvg.10x: 5.36 ms (baseline: 5.17 ms, +3.8%) ✓ scaling.rdp.10x: 3.36 ms (baseline: 3.78 ms, -11.2%) scaling.none.20x: 98.48 ms (baseline: 108.25 ms, -9.0%) scaling.movingAvg.20x: 9.20 ms (baseline: 9.46 ms, -2.8%) scaling.rdp.20x: 9.13 ms (baseline: 7.78 ms, +17.4%) ✓ scaling.none.50x: 225.42 ms (baseline: 254.45 ms, -11.4%) ⚠️ scaling.movingAvg.50x: 33.60 ms (baseline: 26.72 ms, +25.7%) ✓ scaling.rdp.50x: 22.78 ms (baseline: 29.79 ms, -23.5%) multiseries.movingAvg.1series: 4.57 ms (baseline: 4.79 ms, -4.5%) multiseries.rdp.1series: 5.95 ms (baseline: 6.59 ms, -9.7%) ✓ multiseries.movingAvg.2series: 12.32 ms (baseline: 16.90 ms, -27.1%) ✓ multiseries.rdp.2series: 12.65 ms (baseline: 19.53 ms, -35.2%) ✓ multiseries.movingAvg.3series: 16.39 ms (baseline: 27.09 ms, -39.5%) multiseries.rdp.3series: 16.36 ms (baseline: 15.42 ms, +6.1%) multiseries.movingAvg.5series: 22.53 ms (baseline: 24.90 ms, -9.5%) multiseries.rdp.5series: 28.74 ms (baseline: 24.31 ms, +18.2%) 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: 33.01 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: 0.016 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: 13.03 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: 56.210 s [INFO] Finished at: 2026-04-21T04:08:55Z [INFO] ------------------------------------------------------------------------