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: 2.809 s [INFO] Finished at: 2026-06-11T10:36:30Z [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: 2.236 s [INFO] Finished at: 2026-06-11T10:36:35Z [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: 2026-06-11T08:53:38.466355241Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 10:37:10.543 [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 | 4.20 ms | 2.85 ms | 5.05 ms 1,000 | 6.07 ms | 2.47 ms | 2.67 ms 10,000 | 18.58 ms | 7.22 ms | 6.61 ms 49,871 | 55.30 ms | 9.04 ms | 68.73 ms 97,643 | 92.62 ms | 5.24 ms | 17.38 ms 495,995 | 400.42 ms | 34.25 ms | 23.65 ms 944,282 | 617.14 ms | 120.01 ms | 140.30 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 | 662.9 µs | 2.07 ms | 2.74 ms 10,000 | 2.28 ms | 1.53 ms | 3.81 ms 50,000 | 9.32 ms | 1.46 ms | 10.78 ms 100,000 | 8.21 ms | 1.26 ms | 9.46 ms 500,000 | 20.27 ms | 724.3 µs | 20.99 ms 948,423 | 39.83 ms | 864.0 µs | 40.69 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 | 4.43 ms ( 0.5x) | 1.58 ms ( 2.3x) | 1.07 ms ( 1.8x) 2x | 19,996 | 24.29 ms ( 2.5x) | 1.80 ms ( 2.6x) | 1.55 ms ( 2.6x) 5x | 49,871 | 38.48 ms ( 4.0x) | 3.64 ms ( 5.2x) | 3.01 ms ( 5.0x) 10x | 97,643 | 52.66 ms ( 5.5x) | 10.04 ms (14.4x) | 6.52 ms (10.8x) 20x | 196,569 | 124.63 ms (13.0x) | 13.33 ms (19.0x) | 11.51 ms (19.0x) 50x | 495,995 | 313.99 ms (32.8x) | 40.96 ms (58.5x) | 62.54 ms (103.3x) 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 | 166.0 µs | 5 | 205.1 µs 10,000 | 5 | 1.21 ms | 5 | 1.11 ms 97,643 | 5 | 5.41 ms | 5 | 5.97 ms 495,995 | 5 | 40.96 ms | 5 | 42.38 ms 944,282 | 5 | 108.97 ms | 5 | 149.90 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 | 4.60 ms | 3.26 ms 2 | 16.62 ms | 24.68 ms 3 | 18.82 ms | 22.86 ms 5 | 21.57 ms | 36.39 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 4.20 ms (baseline: 2.89 ms, +45.3%) ⚠️ sparkline.movingAvg.100: 2.85 ms (baseline: 1.59 ms, +79.0%) ⚠️ sparkline.rdp.100: 5.05 ms (baseline: 1.69 ms, +198.4%) sparkline.none.1000: 6.07 ms (baseline: 5.09 ms, +19.1%) ⚠️ sparkline.movingAvg.1000: 2.47 ms (baseline: 1.45 ms, +69.9%) sparkline.rdp.1000: 2.67 ms (baseline: 2.65 ms, +0.8%) ✓ sparkline.none.10000: 18.58 ms (baseline: 22.83 ms, -18.6%) ⚠️ sparkline.movingAvg.10000: 7.22 ms (baseline: 4.78 ms, +51.2%) sparkline.rdp.10000: 6.61 ms (baseline: 7.12 ms, -7.2%) ⚠️ sparkline.none.50000: 55.30 ms (baseline: 29.78 ms, +85.7%) ⚠️ sparkline.movingAvg.50000: 9.04 ms (baseline: 4.52 ms, +99.7%) ⚠️ sparkline.rdp.50000: 68.73 ms (baseline: 44.10 ms, +55.8%) ⚠️ sparkline.none.100000: 92.62 ms (baseline: 54.56 ms, +69.8%) ✓ sparkline.movingAvg.100000: 5.24 ms (baseline: 11.82 ms, -55.7%) ⚠️ sparkline.rdp.100000: 17.38 ms (baseline: 3.92 ms, +343.6%) sparkline.none.500000: 400.42 ms (baseline: 349.21 ms, +14.7%) ✓ sparkline.movingAvg.500000: 34.25 ms (baseline: 38.46 ms, -10.9%) sparkline.rdp.500000: 23.65 ms (baseline: 25.54 ms, -7.4%) sparkline.none.948423: 617.14 ms (baseline: 561.47 ms, +9.9%) sparkline.movingAvg.948423: 120.01 ms (baseline: 114.36 ms, +4.9%) sparkline.rdp.948423: 140.30 ms (baseline: 138.01 ms, +1.7%) ⚠️ windrose.aggregation.1000: 662.9 µs (baseline: 426.2 µs, +55.5%) ⚠️ windrose.draw.1000: 2.07 ms (baseline: 1.59 ms, +30.3%) ⚠️ windrose.aggregation.10000: 2.28 ms (baseline: 1.47 ms, +55.2%) ⚠️ windrose.draw.10000: 1.53 ms (baseline: 1.23 ms, +24.5%) ✓ windrose.aggregation.50000: 9.32 ms (baseline: 17.25 ms, -46.0%) ✓ windrose.draw.50000: 1.46 ms (baseline: 2.14 ms, -31.9%) windrose.aggregation.100000: 8.21 ms (baseline: 8.70 ms, -5.7%) ✓ windrose.draw.100000: 1.26 ms (baseline: 2.00 ms, -37.1%) windrose.aggregation.500000: 20.27 ms (baseline: 20.73 ms, -2.3%) ✓ windrose.draw.500000: 724.3 µs (baseline: 944.3 µs, -23.3%) windrose.aggregation.948423: 39.83 ms (baseline: 44.16 ms, -9.8%) ⚠️ windrose.draw.948423: 864.0 µs (baseline: 608.0 µs, +42.1%) ✓ scaling.none.1x: 4.43 ms (baseline: 14.58 ms, -69.6%) ✓ scaling.movingAvg.1x: 1.58 ms (baseline: 2.18 ms, -27.9%) ✓ scaling.rdp.1x: 1.07 ms (baseline: 2.08 ms, -48.8%) ⚠️ scaling.none.2x: 24.29 ms (baseline: 17.04 ms, +42.5%) ⚠️ scaling.movingAvg.2x: 1.80 ms (baseline: 1.33 ms, +35.3%) scaling.rdp.2x: 1.55 ms (baseline: 1.60 ms, -3.2%) ⚠️ scaling.none.5x: 38.48 ms (baseline: 24.99 ms, +54.0%) ✓ scaling.movingAvg.5x: 3.64 ms (baseline: 5.14 ms, -29.2%) ✓ scaling.rdp.5x: 3.01 ms (baseline: 4.79 ms, -37.2%) ⚠️ scaling.none.10x: 52.66 ms (baseline: 39.87 ms, +32.1%) ⚠️ scaling.movingAvg.10x: 10.04 ms (baseline: 5.54 ms, +81.3%) ⚠️ scaling.rdp.10x: 6.52 ms (baseline: 3.76 ms, +73.4%) scaling.none.20x: 124.63 ms (baseline: 104.21 ms, +19.6%) ⚠️ scaling.movingAvg.20x: 13.33 ms (baseline: 10.99 ms, +21.2%) scaling.rdp.20x: 11.51 ms (baseline: 10.69 ms, +7.7%) scaling.none.50x: 313.99 ms (baseline: 327.75 ms, -4.2%) scaling.movingAvg.50x: 40.96 ms (baseline: 40.42 ms, +1.3%) ⚠️ scaling.rdp.50x: 62.54 ms (baseline: 19.93 ms, +213.7%) ✓ multiseries.movingAvg.1series: 4.60 ms (baseline: 11.11 ms, -58.6%) multiseries.rdp.1series: 3.26 ms (baseline: 3.21 ms, +1.4%) ⚠️ multiseries.movingAvg.2series: 16.62 ms (baseline: 10.78 ms, +54.1%) ⚠️ multiseries.rdp.2series: 24.68 ms (baseline: 9.46 ms, +160.8%) multiseries.movingAvg.3series: 18.82 ms (baseline: 17.75 ms, +6.0%) multiseries.rdp.3series: 22.86 ms (baseline: 23.80 ms, -4.0%) ✓ multiseries.movingAvg.5series: 21.57 ms (baseline: 36.14 ms, -40.3%) ✓ multiseries.rdp.5series: 36.39 ms (baseline: 44.05 ms, -17.4%) 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: 44.96 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: 0.021 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: 0.036 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: 19.16 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: 01:15 min [INFO] Finished at: 2026-06-11T10:37:58Z [INFO] ------------------------------------------------------------------------