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: 2.394 s [INFO] Finished at: 2026-06-07T22:32:51Z [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: 2.162 s [INFO] Finished at: 2026-06-07T22:32:56Z [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: 2026-06-07T21:31:52.797057531Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 22:33:29.184 [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 | 2.82 ms | 4.14 ms | 3.03 ms 1,000 | 8.18 ms | 3.67 ms | 3.50 ms 10,000 | 28.35 ms | 1.07 ms | 12.22 ms 49,871 | 28.47 ms | 5.62 ms | 42.32 ms 97,643 | 90.37 ms | 5.21 ms | 8.09 ms 495,995 | 379.20 ms | 50.48 ms | 35.03 ms 944,282 | 503.83 ms | 103.09 ms | 167.19 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 | 5.48 ms | 2.48 ms | 7.96 ms 10,000 | 3.42 ms | 779.8 µs | 4.20 ms 50,000 | 8.68 ms | 1.19 ms | 9.87 ms 100,000 | 4.09 ms | 686.4 µs | 4.77 ms 500,000 | 34.74 ms | 1.25 ms | 35.99 ms 948,423 | 37.86 ms | 652.2 µs | 38.51 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 | 5.49 ms ( 0.9x) | 2.15 ms ( 0.8x) | 892.1 µs ( 0.6x) 2x | 19,996 | 9.73 ms ( 1.6x) | 4.02 ms ( 1.5x) | 1.56 ms ( 1.0x) 5x | 49,871 | 33.96 ms ( 5.7x) | 4.98 ms ( 1.9x) | 2.78 ms ( 1.7x) 10x | 97,643 | 67.79 ms (11.4x) | 16.13 ms ( 6.1x) | 6.56 ms ( 4.1x) 20x | 196,569 | 87.67 ms (14.7x) | 13.96 ms ( 5.3x) | 21.34 ms (13.3x) 50x | 495,995 | 300.68 ms (50.5x) | 32.74 ms (12.4x) | 74.68 ms (46.7x) 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 | 962.3 µs | 5 | 1.25 ms 10,000 | 5 | 4.72 ms | 5 | 8.78 ms 97,643 | 5 | 13.91 ms | 5 | 6.87 ms 495,995 | 5 | 50.77 ms | 5 | 64.59 ms 944,282 | 5 | 131.28 ms | 5 | 48.04 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 | 7.86 ms | 3.96 ms 2 | 10.61 ms | 11.89 ms 3 | 28.61 ms | 31.28 ms 5 | 29.78 ms | 27.27 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.82 ms (baseline: 5.70 ms, -50.5%) sparkline.movingAvg.100: 4.14 ms (baseline: 4.24 ms, -2.2%) sparkline.rdp.100: 3.03 ms (baseline: 2.72 ms, +11.4%) sparkline.none.1000: 8.18 ms (baseline: 7.29 ms, +12.2%) sparkline.movingAvg.1000: 3.67 ms (baseline: 3.12 ms, +17.8%) sparkline.rdp.1000: 3.50 ms (baseline: 3.75 ms, -6.7%) ⚠️ sparkline.none.10000: 28.35 ms (baseline: 18.52 ms, +53.1%) ✓ sparkline.movingAvg.10000: 1.07 ms (baseline: 2.70 ms, -60.5%) ⚠️ sparkline.rdp.10000: 12.22 ms (baseline: 9.68 ms, +26.3%) ✓ sparkline.none.50000: 28.47 ms (baseline: 52.46 ms, -45.7%) ⚠️ sparkline.movingAvg.50000: 5.62 ms (baseline: 4.58 ms, +22.8%) ✓ sparkline.rdp.50000: 42.32 ms (baseline: 48.54 ms, -12.8%) sparkline.none.100000: 90.37 ms (baseline: 99.17 ms, -8.9%) ✓ sparkline.movingAvg.100000: 5.21 ms (baseline: 12.35 ms, -57.8%) sparkline.rdp.100000: 8.09 ms (baseline: 7.75 ms, +4.4%) sparkline.none.500000: 379.20 ms (baseline: 369.08 ms, +2.7%) sparkline.movingAvg.500000: 50.48 ms (baseline: 46.47 ms, +8.6%) sparkline.rdp.500000: 35.03 ms (baseline: 31.99 ms, +9.5%) ✓ sparkline.none.948423: 503.83 ms (baseline: 718.80 ms, -29.9%) sparkline.movingAvg.948423: 103.09 ms (baseline: 107.57 ms, -4.2%) ✓ sparkline.rdp.948423: 167.19 ms (baseline: 192.62 ms, -13.2%) ⚠️ windrose.aggregation.1000: 5.48 ms (baseline: 415.3 µs, +1220.6%) ⚠️ windrose.draw.1000: 2.48 ms (baseline: 803.4 µs, +208.6%) ⚠️ windrose.aggregation.10000: 3.42 ms (baseline: 1.71 ms, +100.0%) ✓ windrose.draw.10000: 779.8 µs (baseline: 3.90 ms, -80.0%) ✓ windrose.aggregation.50000: 8.68 ms (baseline: 18.64 ms, -53.4%) ✓ windrose.draw.50000: 1.19 ms (baseline: 3.39 ms, -64.9%) ✓ windrose.aggregation.100000: 4.09 ms (baseline: 5.49 ms, -25.5%) windrose.draw.100000: 686.4 µs (baseline: 739.0 µs, -7.1%) ✓ windrose.aggregation.500000: 34.74 ms (baseline: 62.70 ms, -44.6%) windrose.draw.500000: 1.25 ms (baseline: 1.15 ms, +8.0%) ✓ windrose.aggregation.948423: 37.86 ms (baseline: 43.46 ms, -12.9%) windrose.draw.948423: 652.2 µs (baseline: 674.9 µs, -3.4%) ✓ scaling.none.1x: 5.49 ms (baseline: 12.33 ms, -55.4%) ✓ scaling.movingAvg.1x: 2.15 ms (baseline: 3.02 ms, -28.7%) ✓ scaling.rdp.1x: 892.1 µs (baseline: 1.79 ms, -50.2%) ✓ scaling.none.2x: 9.73 ms (baseline: 33.51 ms, -71.0%) ⚠️ scaling.movingAvg.2x: 4.02 ms (baseline: 1.15 ms, +250.4%) ⚠️ scaling.rdp.2x: 1.56 ms (baseline: 831.9 µs, +87.4%) ⚠️ scaling.none.5x: 33.96 ms (baseline: 26.36 ms, +28.8%) ⚠️ scaling.movingAvg.5x: 4.98 ms (baseline: 2.51 ms, +98.9%) scaling.rdp.5x: 2.78 ms (baseline: 2.84 ms, -2.2%) scaling.none.10x: 67.79 ms (baseline: 60.81 ms, +11.5%) ⚠️ scaling.movingAvg.10x: 16.13 ms (baseline: 7.90 ms, +104.1%) ✓ scaling.rdp.10x: 6.56 ms (baseline: 8.32 ms, -21.2%) scaling.none.20x: 87.67 ms (baseline: 79.70 ms, +10.0%) ⚠️ scaling.movingAvg.20x: 13.96 ms (baseline: 10.73 ms, +30.2%) ⚠️ scaling.rdp.20x: 21.34 ms (baseline: 10.37 ms, +105.9%) ✓ scaling.none.50x: 300.68 ms (baseline: 342.57 ms, -12.2%) ✓ scaling.movingAvg.50x: 32.74 ms (baseline: 47.95 ms, -31.7%) ⚠️ scaling.rdp.50x: 74.68 ms (baseline: 22.60 ms, +230.4%) ✓ multiseries.movingAvg.1series: 7.86 ms (baseline: 10.46 ms, -24.9%) ✓ multiseries.rdp.1series: 3.96 ms (baseline: 5.94 ms, -33.4%) multiseries.movingAvg.2series: 10.61 ms (baseline: 10.80 ms, -1.8%) ✓ multiseries.rdp.2series: 11.89 ms (baseline: 22.61 ms, -47.4%) ⚠️ multiseries.movingAvg.3series: 28.61 ms (baseline: 15.70 ms, +82.2%) ⚠️ multiseries.rdp.3series: 31.28 ms (baseline: 17.17 ms, +82.2%) multiseries.movingAvg.5series: 29.78 ms (baseline: 26.28 ms, +13.3%) ✓ multiseries.rdp.5series: 27.27 ms (baseline: 31.01 ms, -12.0%) 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: 40.88 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: 0.023 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: 0.028 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: 18.90 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: 01:10 min [INFO] Finished at: 2026-06-07T22:34:14Z [INFO] ------------------------------------------------------------------------