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: 2.759 s [INFO] Finished at: 2026-04-26T04:13:23Z [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: 1.713 s [INFO] Finished at: 2026-04-26T04:13:27Z [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: 2026-04-26T01:46:51.754258472Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 04:13:53.514 [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 | 2.74 ms | 3.95 ms | 1.20 ms 1,000 | 8.60 ms | 2.45 ms | 4.20 ms 10,000 | 34.68 ms | 4.24 ms | 7.35 ms 49,871 | 43.87 ms | 12.46 ms | 64.90 ms 97,643 | 51.71 ms | 19.05 ms | 11.33 ms 495,995 | 344.22 ms | 48.67 ms | 30.60 ms 944,282 | 617.06 ms | 117.47 ms | 81.00 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 | 465.4 µs | 1.30 ms | 1.76 ms 10,000 | 1.50 ms | 2.02 ms | 3.52 ms 50,000 | 13.28 ms | 2.91 ms | 16.19 ms 100,000 | 5.04 ms | 1.90 ms | 6.94 ms 500,000 | 19.17 ms | 697.9 µs | 19.87 ms 948,423 | 54.47 ms | 4.02 ms | 58.49 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 | 6.18 ms ( 0.5x) | 1.91 ms ( 1.8x) | 671.6 µs ( 0.6x) 2x | 19,996 | 10.59 ms ( 0.8x) | 2.24 ms ( 2.1x) | 3.75 ms ( 3.1x) 5x | 49,871 | 28.29 ms ( 2.1x) | 5.25 ms ( 4.8x) | 3.36 ms ( 2.8x) 10x | 97,643 | 51.76 ms ( 3.8x) | 5.13 ms ( 4.7x) | 7.10 ms ( 5.9x) 20x | 196,569 | 142.53 ms (10.5x) | 10.98 ms (10.1x) | 11.50 ms ( 9.6x) 50x | 495,995 | 283.53 ms (21.0x) | 33.58 ms (30.9x) | 38.40 ms (32.1x) 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 | 505.4 µs | 5 | 506.1 µs 10,000 | 5 | 1.55 ms | 5 | 878.7 µs 97,643 | 5 | 5.53 ms | 5 | 4.98 ms 495,995 | 5 | 34.51 ms | 5 | 35.73 ms 944,282 | 5 | 96.24 ms | 5 | 68.46 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 | 6.77 ms | 10.30 ms 2 | 10.65 ms | 11.37 ms 3 | 12.86 ms | 18.54 ms 5 | 22.55 ms | 31.75 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 2.74 ms (baseline: 1.39 ms, +96.6%) ⚠️ sparkline.movingAvg.100: 3.95 ms (baseline: 1.56 ms, +152.3%) ✓ sparkline.rdp.100: 1.20 ms (baseline: 1.42 ms, -15.6%) ⚠️ sparkline.none.1000: 8.60 ms (baseline: 2.69 ms, +219.1%) ✓ sparkline.movingAvg.1000: 2.45 ms (baseline: 3.12 ms, -21.5%) ⚠️ sparkline.rdp.1000: 4.20 ms (baseline: 1.85 ms, +127.3%) ⚠️ sparkline.none.10000: 34.68 ms (baseline: 14.76 ms, +134.9%) ⚠️ sparkline.movingAvg.10000: 4.24 ms (baseline: 2.57 ms, +65.1%) ⚠️ sparkline.rdp.10000: 7.35 ms (baseline: 3.51 ms, +109.4%) ⚠️ sparkline.none.50000: 43.87 ms (baseline: 25.47 ms, +72.2%) ⚠️ sparkline.movingAvg.50000: 12.46 ms (baseline: 3.65 ms, +241.1%) ⚠️ sparkline.rdp.50000: 64.90 ms (baseline: 42.10 ms, +54.2%) sparkline.none.100000: 51.71 ms (baseline: 47.67 ms, +8.5%) ⚠️ sparkline.movingAvg.100000: 19.05 ms (baseline: 4.94 ms, +285.5%) ⚠️ sparkline.rdp.100000: 11.33 ms (baseline: 4.66 ms, +143.4%) ⚠️ sparkline.none.500000: 344.22 ms (baseline: 255.92 ms, +34.5%) ⚠️ sparkline.movingAvg.500000: 48.67 ms (baseline: 22.04 ms, +120.8%) ⚠️ sparkline.rdp.500000: 30.60 ms (baseline: 18.38 ms, +66.5%) ⚠️ sparkline.none.948423: 617.06 ms (baseline: 425.21 ms, +45.1%) ⚠️ sparkline.movingAvg.948423: 117.47 ms (baseline: 79.61 ms, +47.6%) ⚠️ sparkline.rdp.948423: 81.00 ms (baseline: 38.90 ms, +108.2%) ✓ windrose.aggregation.1000: 465.4 µs (baseline: 619.2 µs, -24.8%) windrose.draw.1000: 1.30 ms (baseline: 1.17 ms, +10.4%) ✓ windrose.aggregation.10000: 1.50 ms (baseline: 2.21 ms, -32.2%) ⚠️ windrose.draw.10000: 2.02 ms (baseline: 924.0 µs, +118.6%) ⚠️ windrose.aggregation.50000: 13.28 ms (baseline: 10.88 ms, +22.1%) ⚠️ windrose.draw.50000: 2.91 ms (baseline: 661.1 µs, +340.2%) ⚠️ windrose.aggregation.100000: 5.04 ms (baseline: 3.85 ms, +31.2%) ⚠️ windrose.draw.100000: 1.90 ms (baseline: 680.3 µs, +179.0%) windrose.aggregation.500000: 19.17 ms (baseline: 20.75 ms, -7.6%) windrose.draw.500000: 697.9 µs (baseline: 610.7 µs, +14.3%) ⚠️ windrose.aggregation.948423: 54.47 ms (baseline: 38.65 ms, +40.9%) ⚠️ windrose.draw.948423: 4.02 ms (baseline: 609.0 µs, +559.5%) scaling.none.1x: 6.18 ms (baseline: 5.35 ms, +15.4%) ⚠️ scaling.movingAvg.1x: 1.91 ms (baseline: 642.1 µs, +197.7%) ⚠️ scaling.rdp.1x: 671.6 µs (baseline: 508.7 µs, +32.0%) ⚠️ scaling.none.2x: 10.59 ms (baseline: 8.12 ms, +30.4%) ⚠️ scaling.movingAvg.2x: 2.24 ms (baseline: 1.15 ms, +95.4%) ⚠️ scaling.rdp.2x: 3.75 ms (baseline: 818.7 µs, +358.6%) ⚠️ scaling.none.5x: 28.29 ms (baseline: 19.89 ms, +42.3%) ⚠️ scaling.movingAvg.5x: 5.25 ms (baseline: 2.27 ms, +131.7%) ⚠️ scaling.rdp.5x: 3.36 ms (baseline: 1.80 ms, +86.5%) ⚠️ scaling.none.10x: 51.76 ms (baseline: 40.73 ms, +27.1%) scaling.movingAvg.10x: 5.13 ms (baseline: 4.68 ms, +9.7%) ⚠️ scaling.rdp.10x: 7.10 ms (baseline: 3.41 ms, +108.3%) ⚠️ scaling.none.20x: 142.53 ms (baseline: 94.26 ms, +51.2%) ⚠️ scaling.movingAvg.20x: 10.98 ms (baseline: 8.22 ms, +33.6%) ⚠️ scaling.rdp.20x: 11.50 ms (baseline: 7.28 ms, +58.0%) ⚠️ scaling.none.50x: 283.53 ms (baseline: 212.90 ms, +33.2%) ⚠️ scaling.movingAvg.50x: 33.58 ms (baseline: 23.02 ms, +45.8%) ✓ scaling.rdp.50x: 38.40 ms (baseline: 49.97 ms, -23.2%) ⚠️ multiseries.movingAvg.1series: 6.77 ms (baseline: 5.47 ms, +23.8%) ⚠️ multiseries.rdp.1series: 10.30 ms (baseline: 3.25 ms, +216.7%) multiseries.movingAvg.2series: 10.65 ms (baseline: 9.92 ms, +7.3%) multiseries.rdp.2series: 11.37 ms (baseline: 9.81 ms, +15.9%) ✓ multiseries.movingAvg.3series: 12.86 ms (baseline: 15.71 ms, -18.2%) ⚠️ multiseries.rdp.3series: 18.54 ms (baseline: 14.94 ms, +24.1%) ✓ multiseries.movingAvg.5series: 22.55 ms (baseline: 26.49 ms, -14.9%) ⚠️ multiseries.rdp.5series: 31.75 ms (baseline: 23.80 ms, +33.4%) 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: 42.18 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: 0.013 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: 0.014 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: 17.13 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: 01:08 min [INFO] Finished at: 2026-04-26T04:14:37Z [INFO] ------------------------------------------------------------------------