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: 2.488 s [INFO] Finished at: 2026-06-08T08:54:58Z [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: 2.194 s [INFO] Finished at: 2026-06-08T08:55:03Z [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: 2026-06-08T08:42:13.770658370Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 08:55:37.538 [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 | 3.70 ms | 8.15 ms | 2.78 ms 1,000 | 4.37 ms | 1.58 ms | 3.65 ms 10,000 | 29.30 ms | 5.35 ms | 5.19 ms 49,871 | 37.70 ms | 4.34 ms | 59.74 ms 97,643 | 68.05 ms | 11.00 ms | 10.89 ms 495,995 | 369.91 ms | 58.32 ms | 47.20 ms 944,282 | 639.68 ms | 168.60 ms | 62.61 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 | 479.7 µs | 992.2 µs | 1.47 ms 10,000 | 3.41 ms | 2.13 ms | 5.53 ms 50,000 | 11.02 ms | 987.4 µs | 12.01 ms 100,000 | 7.91 ms | 960.2 µs | 8.87 ms 500,000 | 18.77 ms | 1.31 ms | 20.07 ms 948,423 | 80.05 ms | 708.7 µs | 80.76 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 | 73.91 ms ( 5.6x) | 2.07 ms ( 1.7x) | 2.11 ms ( 1.2x) 2x | 19,996 | 17.49 ms ( 1.3x) | 3.63 ms ( 3.0x) | 1.93 ms ( 1.1x) 5x | 49,871 | 33.89 ms ( 2.6x) | 2.62 ms ( 2.1x) | 5.05 ms ( 2.8x) 10x | 97,643 | 50.72 ms ( 3.8x) | 5.27 ms ( 4.3x) | 7.53 ms ( 4.2x) 20x | 196,569 | 154.55 ms (11.7x) | 10.70 ms ( 8.8x) | 7.91 ms ( 4.4x) 50x | 495,995 | 326.19 ms (24.6x) | 60.81 ms (49.7x) | 21.72 ms (12.0x) 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 | 148.6 µs | 5 | 813.9 µs 10,000 | 5 | 1.21 ms | 5 | 1.34 ms 97,643 | 5 | 7.68 ms | 5 | 38.58 ms 495,995 | 5 | 52.31 ms | 5 | 40.74 ms 944,282 | 5 | 108.18 ms | 5 | 87.22 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 | 7.67 ms | 5.08 ms 2 | 27.68 ms | 20.31 ms 3 | 21.09 ms | 17.69 ms 5 | 34.19 ms | 33.45 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 3.70 ms (baseline: 4.38 ms, -15.4%) ⚠️ sparkline.movingAvg.100: 8.15 ms (baseline: 6.55 ms, +24.3%) ✓ sparkline.rdp.100: 2.78 ms (baseline: 6.63 ms, -58.1%) ⚠️ sparkline.none.1000: 4.37 ms (baseline: 3.55 ms, +22.9%) ✓ sparkline.movingAvg.1000: 1.58 ms (baseline: 4.87 ms, -67.5%) ✓ sparkline.rdp.1000: 3.65 ms (baseline: 4.27 ms, -14.5%) ✓ sparkline.none.10000: 29.30 ms (baseline: 34.67 ms, -15.5%) sparkline.movingAvg.10000: 5.35 ms (baseline: 5.25 ms, +1.8%) sparkline.rdp.10000: 5.19 ms (baseline: 5.44 ms, -4.7%) sparkline.none.50000: 37.70 ms (baseline: 40.85 ms, -7.7%) ⚠️ sparkline.movingAvg.50000: 4.34 ms (baseline: 3.32 ms, +30.9%) sparkline.rdp.50000: 59.74 ms (baseline: 50.43 ms, +18.5%) ✓ sparkline.none.100000: 68.05 ms (baseline: 86.42 ms, -21.3%) ✓ sparkline.movingAvg.100000: 11.00 ms (baseline: 12.42 ms, -11.5%) ✓ sparkline.rdp.100000: 10.89 ms (baseline: 14.98 ms, -27.3%) sparkline.none.500000: 369.91 ms (baseline: 355.17 ms, +4.2%) sparkline.movingAvg.500000: 58.32 ms (baseline: 57.23 ms, +1.9%) ⚠️ sparkline.rdp.500000: 47.20 ms (baseline: 29.71 ms, +58.8%) sparkline.none.948423: 639.68 ms (baseline: 615.82 ms, +3.9%) ⚠️ sparkline.movingAvg.948423: 168.60 ms (baseline: 127.04 ms, +32.7%) ✓ sparkline.rdp.948423: 62.61 ms (baseline: 204.43 ms, -69.4%) ✓ windrose.aggregation.1000: 479.7 µs (baseline: 2.39 ms, -79.9%) ✓ windrose.draw.1000: 992.2 µs (baseline: 1.63 ms, -39.2%) ✓ windrose.aggregation.10000: 3.41 ms (baseline: 6.17 ms, -44.7%) ✓ windrose.draw.10000: 2.13 ms (baseline: 2.81 ms, -24.3%) ✓ windrose.aggregation.50000: 11.02 ms (baseline: 19.22 ms, -42.6%) ✓ windrose.draw.50000: 987.4 µs (baseline: 4.90 ms, -79.8%) ✓ windrose.aggregation.100000: 7.91 ms (baseline: 26.31 ms, -69.9%) ✓ windrose.draw.100000: 960.2 µs (baseline: 4.82 ms, -80.1%) ✓ windrose.aggregation.500000: 18.77 ms (baseline: 48.57 ms, -61.4%) ✓ windrose.draw.500000: 1.31 ms (baseline: 1.75 ms, -25.2%) windrose.aggregation.948423: 80.05 ms (baseline: 76.93 ms, +4.1%) windrose.draw.948423: 708.7 µs (baseline: 728.0 µs, -2.7%) ⚠️ scaling.none.1x: 73.91 ms (baseline: 8.09 ms, +813.8%) ✓ scaling.movingAvg.1x: 2.07 ms (baseline: 3.51 ms, -41.1%) ✓ scaling.rdp.1x: 2.11 ms (baseline: 2.67 ms, -21.2%) ⚠️ scaling.none.2x: 17.49 ms (baseline: 10.32 ms, +69.5%) ⚠️ scaling.movingAvg.2x: 3.63 ms (baseline: 1.44 ms, +152.1%) ⚠️ scaling.rdp.2x: 1.93 ms (baseline: 1.04 ms, +85.6%) scaling.none.5x: 33.89 ms (baseline: 36.13 ms, -6.2%) ✓ scaling.movingAvg.5x: 2.62 ms (baseline: 3.14 ms, -16.7%) ⚠️ scaling.rdp.5x: 5.05 ms (baseline: 2.52 ms, +100.4%) ✓ scaling.none.10x: 50.72 ms (baseline: 58.04 ms, -12.6%) scaling.movingAvg.10x: 5.27 ms (baseline: 5.65 ms, -6.8%) ✓ scaling.rdp.10x: 7.53 ms (baseline: 10.25 ms, -26.5%) ⚠️ scaling.none.20x: 154.55 ms (baseline: 127.65 ms, +21.1%) ✓ scaling.movingAvg.20x: 10.70 ms (baseline: 12.14 ms, -11.8%) ✓ scaling.rdp.20x: 7.91 ms (baseline: 11.60 ms, -31.8%) ⚠️ scaling.none.50x: 326.19 ms (baseline: 258.89 ms, +26.0%) scaling.movingAvg.50x: 60.81 ms (baseline: 64.50 ms, -5.7%) ✓ scaling.rdp.50x: 21.72 ms (baseline: 30.14 ms, -27.9%) ✓ multiseries.movingAvg.1series: 7.67 ms (baseline: 11.64 ms, -34.1%) multiseries.rdp.1series: 5.08 ms (baseline: 4.86 ms, +4.6%) ⚠️ multiseries.movingAvg.2series: 27.68 ms (baseline: 11.70 ms, +136.5%) ⚠️ multiseries.rdp.2series: 20.31 ms (baseline: 13.10 ms, +55.0%) ⚠️ multiseries.movingAvg.3series: 21.09 ms (baseline: 15.77 ms, +33.7%) multiseries.rdp.3series: 17.69 ms (baseline: 17.91 ms, -1.2%) multiseries.movingAvg.5series: 34.19 ms (baseline: 34.05 ms, +0.4%) ✓ multiseries.rdp.5series: 33.45 ms (baseline: 48.44 ms, -30.9%) 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: 44.05 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: 0.036 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: 0.054 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: 19.52 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: 01:14 min [INFO] Finished at: 2026-06-08T08:56:26Z [INFO] ------------------------------------------------------------------------