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: 2.713 s [INFO] Finished at: 2026-04-22T00:22:23Z [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: 2.028 s [INFO] Finished at: 2026-04-22T00:22:28Z [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: 2026-04-21T22:26:13.906493970Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 00:22:51.217 [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 | 2.45 ms | 2.58 ms | 2.89 ms 1,000 | 6.19 ms | 3.36 ms | 6.48 ms 10,000 | 15.47 ms | 1.24 ms | 4.78 ms 49,871 | 24.40 ms | 2.91 ms | 35.94 ms 97,643 | 69.06 ms | 5.03 ms | 3.52 ms 495,995 | 255.16 ms | 35.78 ms | 18.20 ms 944,282 | 449.16 ms | 100.78 ms | 101.01 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 | 435.7 µs | 885.5 µs | 1.32 ms 10,000 | 1.99 ms | 750.9 µs | 2.74 ms 50,000 | 6.83 ms | 646.3 µs | 7.47 ms 100,000 | 4.30 ms | 562.7 µs | 4.86 ms 500,000 | 20.37 ms | 634.9 µs | 21.00 ms 948,423 | 29.70 ms | 497.5 µs | 30.19 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 | 11.96 ms ( 2.2x) | 2.13 ms ( 1.0x) | 1.71 ms ( 0.8x) 2x | 19,996 | 12.08 ms ( 2.3x) | 1.29 ms ( 0.6x) | 2.16 ms ( 1.0x) 5x | 49,871 | 20.19 ms ( 3.8x) | 2.56 ms ( 1.2x) | 1.82 ms ( 0.9x) 10x | 97,643 | 43.53 ms ( 8.1x) | 5.42 ms ( 2.5x) | 3.18 ms ( 1.5x) 20x | 196,569 | 85.45 ms (16.0x) | 11.65 ms ( 5.3x) | 7.74 ms ( 3.7x) 50x | 495,995 | 223.86 ms (41.8x) | 32.88 ms (15.1x) | 18.82 ms ( 9.0x) 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 | 131.1 µs | 5 | 165.2 µs 10,000 | 5 | 560.0 µs | 5 | 426.2 µs 97,643 | 5 | 4.65 ms | 5 | 3.16 ms 495,995 | 5 | 28.71 ms | 5 | 32.51 ms 944,282 | 5 | 82.45 ms | 5 | 89.84 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 | 4.92 ms | 5.94 ms 2 | 9.69 ms | 9.54 ms 3 | 13.55 ms | 17.73 ms 5 | 24.81 ms | 31.84 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.45 ms (baseline: 5.39 ms, -54.5%) sparkline.movingAvg.100: 2.58 ms (baseline: 2.22 ms, +16.4%) ⚠️ sparkline.rdp.100: 2.89 ms (baseline: 2.13 ms, +35.9%) sparkline.none.1000: 6.19 ms (baseline: 6.58 ms, -6.0%) ⚠️ sparkline.movingAvg.1000: 3.36 ms (baseline: 1.65 ms, +103.7%) ⚠️ sparkline.rdp.1000: 6.48 ms (baseline: 4.61 ms, +40.6%) sparkline.none.10000: 15.47 ms (baseline: 14.60 ms, +5.9%) ✓ sparkline.movingAvg.10000: 1.24 ms (baseline: 5.08 ms, -75.6%) ✓ sparkline.rdp.10000: 4.78 ms (baseline: 15.16 ms, -68.5%) ✓ sparkline.none.50000: 24.40 ms (baseline: 37.42 ms, -34.8%) sparkline.movingAvg.50000: 2.91 ms (baseline: 3.04 ms, -4.2%) ✓ sparkline.rdp.50000: 35.94 ms (baseline: 80.04 ms, -55.1%) ⚠️ sparkline.none.100000: 69.06 ms (baseline: 52.84 ms, +30.7%) ✓ sparkline.movingAvg.100000: 5.03 ms (baseline: 9.83 ms, -48.8%) ✓ sparkline.rdp.100000: 3.52 ms (baseline: 14.58 ms, -75.8%) ✓ sparkline.none.500000: 255.16 ms (baseline: 318.71 ms, -19.9%) sparkline.movingAvg.500000: 35.78 ms (baseline: 30.57 ms, +17.0%) sparkline.rdp.500000: 18.20 ms (baseline: 18.06 ms, +0.8%) ✓ sparkline.none.948423: 449.16 ms (baseline: 568.48 ms, -21.0%) sparkline.movingAvg.948423: 100.78 ms (baseline: 93.48 ms, +7.8%) ✓ sparkline.rdp.948423: 101.01 ms (baseline: 165.54 ms, -39.0%) ✓ windrose.aggregation.1000: 435.7 µs (baseline: 1.30 ms, -66.5%) windrose.draw.1000: 885.5 µs (baseline: 899.3 µs, -1.5%) ⚠️ windrose.aggregation.10000: 1.99 ms (baseline: 1.46 ms, +36.6%) ✓ windrose.draw.10000: 750.9 µs (baseline: 1.10 ms, -31.7%) ✓ windrose.aggregation.50000: 6.83 ms (baseline: 11.10 ms, -38.5%) ✓ windrose.draw.50000: 646.3 µs (baseline: 1.82 ms, -64.6%) ✓ windrose.aggregation.100000: 4.30 ms (baseline: 9.28 ms, -53.7%) ✓ windrose.draw.100000: 562.7 µs (baseline: 642.6 µs, -12.4%) windrose.aggregation.500000: 20.37 ms (baseline: 19.36 ms, +5.2%) ✓ windrose.draw.500000: 634.9 µs (baseline: 808.7 µs, -21.5%) ✓ windrose.aggregation.948423: 29.70 ms (baseline: 37.72 ms, -21.3%) ✓ windrose.draw.948423: 497.5 µs (baseline: 624.0 µs, -20.3%) ⚠️ scaling.none.1x: 11.96 ms (baseline: 9.49 ms, +26.0%) ⚠️ scaling.movingAvg.1x: 2.13 ms (baseline: 1.63 ms, +30.5%) scaling.rdp.1x: 1.71 ms (baseline: 1.84 ms, -6.9%) ✓ scaling.none.2x: 12.08 ms (baseline: 21.69 ms, -44.3%) ✓ scaling.movingAvg.2x: 1.29 ms (baseline: 3.09 ms, -58.4%) ⚠️ scaling.rdp.2x: 2.16 ms (baseline: 927.8 µs, +132.5%) ✓ scaling.none.5x: 20.19 ms (baseline: 36.71 ms, -45.0%) ✓ scaling.movingAvg.5x: 2.56 ms (baseline: 3.26 ms, -21.6%) scaling.rdp.5x: 1.82 ms (baseline: 2.00 ms, -9.0%) ✓ scaling.none.10x: 43.53 ms (baseline: 49.78 ms, -12.5%) ✓ scaling.movingAvg.10x: 5.42 ms (baseline: 7.17 ms, -24.5%) ✓ scaling.rdp.10x: 3.18 ms (baseline: 5.63 ms, -43.6%) ✓ scaling.none.20x: 85.45 ms (baseline: 98.95 ms, -13.6%) ⚠️ scaling.movingAvg.20x: 11.65 ms (baseline: 9.18 ms, +26.9%) scaling.rdp.20x: 7.74 ms (baseline: 8.11 ms, -4.6%) ✓ scaling.none.50x: 223.86 ms (baseline: 279.45 ms, -19.9%) ✓ scaling.movingAvg.50x: 32.88 ms (baseline: 38.31 ms, -14.2%) ✓ scaling.rdp.50x: 18.82 ms (baseline: 24.64 ms, -23.6%) ✓ multiseries.movingAvg.1series: 4.92 ms (baseline: 6.84 ms, -28.1%) ⚠️ multiseries.rdp.1series: 5.94 ms (baseline: 3.75 ms, +58.5%) ✓ multiseries.movingAvg.2series: 9.69 ms (baseline: 10.95 ms, -11.5%) ✓ multiseries.rdp.2series: 9.54 ms (baseline: 14.96 ms, -36.3%) multiseries.movingAvg.3series: 13.55 ms (baseline: 12.60 ms, +7.6%) ✓ multiseries.rdp.3series: 17.73 ms (baseline: 19.72 ms, -10.1%) ⚠️ multiseries.movingAvg.5series: 24.81 ms (baseline: 20.44 ms, +21.4%) multiseries.rdp.5series: 31.84 ms (baseline: 28.71 ms, +10.9%) 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: 31.81 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: 0.019 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: 0.018 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: 12.80 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: 52.968 s [INFO] Finished at: 2026-04-22T00:23:23Z [INFO] ------------------------------------------------------------------------