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-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: 2.748 s [INFO] Finished at: 2026-06-11T19:57:48Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1-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 -> 25.1-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.476 s [INFO] Finished at: 2026-06-11T19:57:53Z [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: 2026-06-11T19:02:59.975528805Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 19:58:29.182 [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 | 1.23 ms | 3.01 ms | 1.28 ms 1,000 | 6.04 ms | 2.13 ms | 1.45 ms 10,000 | 19.55 ms | 9.70 ms | 13.24 ms 49,871 | 54.52 ms | 3.95 ms | 61.21 ms 97,643 | 52.47 ms | 8.72 ms | 10.79 ms 495,995 | 308.47 ms | 51.18 ms | 24.38 ms 944,282 | 614.23 ms | 135.37 ms | 105.62 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 | 394.0 µs | 3.15 ms | 3.55 ms 10,000 | 2.06 ms | 31.65 ms | 33.72 ms 50,000 | 20.46 ms | 1.07 ms | 21.53 ms 100,000 | 23.63 ms | 5.86 ms | 29.49 ms 500,000 | 71.96 ms | 1.71 ms | 73.67 ms 948,423 | 74.32 ms | 1.30 ms | 75.63 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 | 9.94 ms ( 1.0x) | 2.42 ms ( 1.2x) | 1.22 ms ( 2.0x) 2x | 19,996 | 11.60 ms ( 1.1x) | 4.30 ms ( 2.2x) | 1.40 ms ( 2.3x) 5x | 49,871 | 31.76 ms ( 3.0x) | 8.90 ms ( 4.5x) | 4.41 ms ( 7.1x) 10x | 97,643 | 95.06 ms ( 9.1x) | 5.06 ms ( 2.6x) | 4.57 ms ( 7.4x) 20x | 196,569 | 103.74 ms ( 9.9x) | 10.54 ms ( 5.3x) | 9.91 ms (16.1x) 50x | 495,995 | 308.86 ms (29.5x) | 41.95 ms (21.3x) | 23.32 ms (37.8x) 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 | 148.8 µs | 5 | 196.6 µs 10,000 | 5 | 1.14 ms | 5 | 807.9 µs 97,643 | 5 | 8.61 ms | 5 | 5.98 ms 495,995 | 5 | 38.09 ms | 5 | 40.12 ms 944,282 | 5 | 120.69 ms | 5 | 84.24 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 | 16.32 ms | 6.59 ms 2 | 8.46 ms | 17.61 ms 3 | 13.32 ms | 16.14 ms 5 | 28.70 ms | 26.02 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 1.23 ms (baseline: 1.29 ms, -4.8%) ✓ sparkline.movingAvg.100: 3.01 ms (baseline: 7.05 ms, -57.4%) ✓ sparkline.rdp.100: 1.28 ms (baseline: 2.06 ms, -37.9%) ⚠️ sparkline.none.1000: 6.04 ms (baseline: 2.87 ms, +110.3%) ✓ sparkline.movingAvg.1000: 2.13 ms (baseline: 5.41 ms, -60.6%) ✓ sparkline.rdp.1000: 1.45 ms (baseline: 8.10 ms, -82.1%) ✓ sparkline.none.10000: 19.55 ms (baseline: 31.33 ms, -37.6%) ⚠️ sparkline.movingAvg.10000: 9.70 ms (baseline: 4.30 ms, +125.5%) ⚠️ sparkline.rdp.10000: 13.24 ms (baseline: 10.49 ms, +26.3%) ⚠️ sparkline.none.50000: 54.52 ms (baseline: 29.93 ms, +82.2%) sparkline.movingAvg.50000: 3.95 ms (baseline: 3.39 ms, +16.6%) ✓ sparkline.rdp.50000: 61.21 ms (baseline: 74.52 ms, -17.9%) ✓ sparkline.none.100000: 52.47 ms (baseline: 66.66 ms, -21.3%) ⚠️ sparkline.movingAvg.100000: 8.72 ms (baseline: 6.39 ms, +36.4%) sparkline.rdp.100000: 10.79 ms (baseline: 9.07 ms, +19.0%) ✓ sparkline.none.500000: 308.47 ms (baseline: 403.28 ms, -23.5%) ⚠️ sparkline.movingAvg.500000: 51.18 ms (baseline: 32.48 ms, +57.6%) sparkline.rdp.500000: 24.38 ms (baseline: 24.07 ms, +1.3%) sparkline.none.948423: 614.23 ms (baseline: 637.44 ms, -3.6%) sparkline.movingAvg.948423: 135.37 ms (baseline: 135.41 ms, -0.0%) sparkline.rdp.948423: 105.62 ms (baseline: 88.64 ms, +19.1%) windrose.aggregation.1000: 394.0 µs (baseline: 428.7 µs, -8.1%) ⚠️ windrose.draw.1000: 3.15 ms (baseline: 1.92 ms, +63.9%) ✓ windrose.aggregation.10000: 2.06 ms (baseline: 3.92 ms, -47.4%) ⚠️ windrose.draw.10000: 31.65 ms (baseline: 2.20 ms, +1336.5%) ✓ windrose.aggregation.50000: 20.46 ms (baseline: 26.80 ms, -23.7%) windrose.draw.50000: 1.07 ms (baseline: 1.01 ms, +5.9%) ✓ windrose.aggregation.100000: 23.63 ms (baseline: 53.06 ms, -55.5%) ⚠️ windrose.draw.100000: 5.86 ms (baseline: 2.00 ms, +192.5%) windrose.aggregation.500000: 71.96 ms (baseline: 79.55 ms, -9.5%) ✓ windrose.draw.500000: 1.71 ms (baseline: 2.53 ms, -32.6%) windrose.aggregation.948423: 74.32 ms (baseline: 80.49 ms, -7.7%) ✓ windrose.draw.948423: 1.30 ms (baseline: 1.56 ms, -16.1%) ⚠️ scaling.none.1x: 9.94 ms (baseline: 6.47 ms, +53.6%) ⚠️ scaling.movingAvg.1x: 2.42 ms (baseline: 1.60 ms, +50.9%) ✓ scaling.rdp.1x: 1.22 ms (baseline: 1.46 ms, -16.8%) scaling.none.2x: 11.60 ms (baseline: 10.20 ms, +13.7%) ⚠️ scaling.movingAvg.2x: 4.30 ms (baseline: 2.82 ms, +52.9%) ⚠️ scaling.rdp.2x: 1.40 ms (baseline: 980.5 µs, +42.7%) ✓ scaling.none.5x: 31.76 ms (baseline: 37.36 ms, -15.0%) ⚠️ scaling.movingAvg.5x: 8.90 ms (baseline: 5.19 ms, +71.4%) ⚠️ scaling.rdp.5x: 4.41 ms (baseline: 2.80 ms, +57.4%) ⚠️ scaling.none.10x: 95.06 ms (baseline: 50.51 ms, +88.2%) scaling.movingAvg.10x: 5.06 ms (baseline: 5.16 ms, -2.0%) ⚠️ scaling.rdp.10x: 4.57 ms (baseline: 3.70 ms, +23.5%) ✓ scaling.none.20x: 103.74 ms (baseline: 116.36 ms, -10.8%) scaling.movingAvg.20x: 10.54 ms (baseline: 9.49 ms, +11.0%) ✓ scaling.rdp.20x: 9.91 ms (baseline: 13.15 ms, -24.6%) scaling.none.50x: 308.86 ms (baseline: 273.17 ms, +13.1%) ✓ scaling.movingAvg.50x: 41.95 ms (baseline: 63.60 ms, -34.0%) ✓ scaling.rdp.50x: 23.32 ms (baseline: 33.33 ms, -30.1%) ⚠️ multiseries.movingAvg.1series: 16.32 ms (baseline: 6.81 ms, +139.7%) ⚠️ multiseries.rdp.1series: 6.59 ms (baseline: 3.91 ms, +68.7%) ✓ multiseries.movingAvg.2series: 8.46 ms (baseline: 27.52 ms, -69.2%) ✓ multiseries.rdp.2series: 17.61 ms (baseline: 42.49 ms, -58.5%) ✓ multiseries.movingAvg.3series: 13.32 ms (baseline: 17.36 ms, -23.3%) multiseries.rdp.3series: 16.14 ms (baseline: 16.40 ms, -1.6%) ✓ multiseries.movingAvg.5series: 28.70 ms (baseline: 41.93 ms, -31.5%) ✓ multiseries.rdp.5series: 26.02 ms (baseline: 29.53 ms, -11.9%) 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: 41.17 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: 0.009 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: 19.55 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: 01:12 min [INFO] Finished at: 2026-06-11T19:59:15Z [INFO] ------------------------------------------------------------------------