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=25.1.5 -DgenerateBackupPoms=false -B --no-transfer-progress [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: 2.491 s [INFO] Finished at: 2026-05-25T07:30:29Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1.5 -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress [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 -> 25.1.5 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.302 s [INFO] Finished at: 2026-05-25T07:30:33Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress -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 6.8.0-117-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-05-25T05:45:38.336782130Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:31:05.673 [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 | 3.90 ms | 2.83 ms | 2.20 ms 1,000 | 4.37 ms | 3.07 ms | 2.49 ms 10,000 | 21.05 ms | 2.95 ms | 7.04 ms 49,871 | 65.35 ms | 7.05 ms | 57.25 ms 97,643 | 63.44 ms | 9.93 ms | 4.85 ms 495,995 | 391.84 ms | 28.47 ms | 40.44 ms 944,282 | 650.22 ms | 88.27 ms | 82.07 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 | 431.2 µs | 2.83 ms | 3.26 ms 10,000 | 9.59 ms | 3.64 ms | 13.23 ms 50,000 | 13.63 ms | 1.95 ms | 15.59 ms 100,000 | 19.95 ms | 2.11 ms | 22.06 ms 500,000 | 39.32 ms | 1.89 ms | 41.20 ms 948,423 | 226.53 ms | 631.1 µs | 227.16 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 | 9.39 ms ( 1.1x) | 1.22 ms ( 1.2x) | 1.36 ms ( 2.4x) 2x | 19,996 | 18.08 ms ( 2.2x) | 4.00 ms ( 3.8x) | 2.35 ms ( 4.1x) 5x | 49,871 | 50.60 ms ( 6.1x) | 5.94 ms ( 5.7x) | 3.30 ms ( 5.7x) 10x | 97,643 | 48.11 ms ( 5.8x) | 5.19 ms ( 4.9x) | 4.91 ms ( 8.5x) 20x | 196,569 | 135.21 ms (16.4x) | 9.54 ms ( 9.1x) | 7.82 ms (13.5x) 50x | 495,995 | 300.09 ms (36.4x) | 27.96 ms (26.6x) | 19.88 ms (34.3x) 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 | 148.1 µs | 5 | 1.28 ms 10,000 | 5 | 2.03 ms | 5 | 1.27 ms 97,643 | 5 | 14.57 ms | 5 | 6.39 ms 495,995 | 5 | 40.63 ms | 5 | 65.34 ms 944,282 | 5 | 128.72 ms | 5 | 69.46 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 | 7.12 ms | 24.60 ms 2 | 26.08 ms | 22.18 ms 3 | 18.51 ms | 25.17 ms 5 | 21.56 ms | 37.18 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 3.90 ms (baseline: 4.35 ms, -10.2%) ✓ sparkline.movingAvg.100: 2.83 ms (baseline: 5.00 ms, -43.5%) ✓ sparkline.rdp.100: 2.20 ms (baseline: 8.04 ms, -72.7%) ✓ sparkline.none.1000: 4.37 ms (baseline: 7.59 ms, -42.5%) ✓ sparkline.movingAvg.1000: 3.07 ms (baseline: 9.67 ms, -68.3%) ✓ sparkline.rdp.1000: 2.49 ms (baseline: 3.89 ms, -35.9%) ✓ sparkline.none.10000: 21.05 ms (baseline: 27.64 ms, -23.9%) ⚠️ sparkline.movingAvg.10000: 2.95 ms (baseline: 1.60 ms, +84.9%) sparkline.rdp.10000: 7.04 ms (baseline: 6.94 ms, +1.3%) sparkline.none.50000: 65.35 ms (baseline: 61.40 ms, +6.4%) sparkline.movingAvg.50000: 7.05 ms (baseline: 6.03 ms, +16.9%) sparkline.rdp.50000: 57.25 ms (baseline: 63.53 ms, -9.9%) sparkline.none.100000: 63.44 ms (baseline: 56.85 ms, +11.6%) ✓ sparkline.movingAvg.100000: 9.93 ms (baseline: 11.80 ms, -15.8%) ✓ sparkline.rdp.100000: 4.85 ms (baseline: 13.29 ms, -63.5%) sparkline.none.500000: 391.84 ms (baseline: 398.34 ms, -1.6%) ✓ sparkline.movingAvg.500000: 28.47 ms (baseline: 47.50 ms, -40.1%) ⚠️ sparkline.rdp.500000: 40.44 ms (baseline: 31.20 ms, +29.6%) sparkline.none.948423: 650.22 ms (baseline: 660.07 ms, -1.5%) ✓ sparkline.movingAvg.948423: 88.27 ms (baseline: 125.44 ms, -29.6%) sparkline.rdp.948423: 82.07 ms (baseline: 90.54 ms, -9.4%) windrose.aggregation.1000: 431.2 µs (baseline: 453.0 µs, -4.8%) ⚠️ windrose.draw.1000: 2.83 ms (baseline: 1.28 ms, +121.1%) ⚠️ windrose.aggregation.10000: 9.59 ms (baseline: 1.48 ms, +549.5%) ⚠️ windrose.draw.10000: 3.64 ms (baseline: 802.2 µs, +353.2%) ⚠️ windrose.aggregation.50000: 13.63 ms (baseline: 7.00 ms, +94.7%) ⚠️ windrose.draw.50000: 1.95 ms (baseline: 888.9 µs, +119.9%) ⚠️ windrose.aggregation.100000: 19.95 ms (baseline: 14.91 ms, +33.8%) ⚠️ windrose.draw.100000: 2.11 ms (baseline: 1.34 ms, +58.0%) ✓ windrose.aggregation.500000: 39.32 ms (baseline: 46.83 ms, -16.1%) ⚠️ windrose.draw.500000: 1.89 ms (baseline: 1.36 ms, +38.3%) ⚠️ windrose.aggregation.948423: 226.53 ms (baseline: 75.36 ms, +200.6%) ✓ windrose.draw.948423: 631.1 µs (baseline: 1.31 ms, -51.7%) ✓ scaling.none.1x: 9.39 ms (baseline: 10.87 ms, -13.6%) scaling.movingAvg.1x: 1.22 ms (baseline: 1.23 ms, -1.1%) ✓ scaling.rdp.1x: 1.36 ms (baseline: 4.22 ms, -67.7%) ✓ scaling.none.2x: 18.08 ms (baseline: 22.10 ms, -18.2%) ⚠️ scaling.movingAvg.2x: 4.00 ms (baseline: 2.74 ms, +46.0%) scaling.rdp.2x: 2.35 ms (baseline: 2.13 ms, +10.0%) ⚠️ scaling.none.5x: 50.60 ms (baseline: 36.60 ms, +38.3%) ⚠️ scaling.movingAvg.5x: 5.94 ms (baseline: 4.06 ms, +46.5%) ✓ scaling.rdp.5x: 3.30 ms (baseline: 7.29 ms, -54.8%) ✓ scaling.none.10x: 48.11 ms (baseline: 63.56 ms, -24.3%) ✓ scaling.movingAvg.10x: 5.19 ms (baseline: 6.53 ms, -20.5%) ✓ scaling.rdp.10x: 4.91 ms (baseline: 6.91 ms, -29.0%) scaling.none.20x: 135.21 ms (baseline: 138.14 ms, -2.1%) ✓ scaling.movingAvg.20x: 9.54 ms (baseline: 11.17 ms, -14.6%) scaling.rdp.20x: 7.82 ms (baseline: 7.34 ms, +6.5%) scaling.none.50x: 300.09 ms (baseline: 260.47 ms, +15.2%) ✓ scaling.movingAvg.50x: 27.96 ms (baseline: 48.68 ms, -42.6%) ✓ scaling.rdp.50x: 19.88 ms (baseline: 90.95 ms, -78.1%) ✓ multiseries.movingAvg.1series: 7.12 ms (baseline: 12.70 ms, -44.0%) ⚠️ multiseries.rdp.1series: 24.60 ms (baseline: 5.89 ms, +317.6%) ⚠️ multiseries.movingAvg.2series: 26.08 ms (baseline: 21.41 ms, +21.8%) ⚠️ multiseries.rdp.2series: 22.18 ms (baseline: 15.65 ms, +41.7%) ✓ multiseries.movingAvg.3series: 18.51 ms (baseline: 20.73 ms, -10.7%) multiseries.rdp.3series: 25.17 ms (baseline: 23.06 ms, +9.2%) ✓ multiseries.movingAvg.5series: 21.56 ms (baseline: 33.99 ms, -36.6%) multiseries.rdp.5series: 37.18 ms (baseline: 37.19 ms, -0.0%) 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: 41.87 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: 0.028 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: 0.029 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: 19.61 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: 01:11 min [INFO] Finished at: 2026-05-25T07:31:53Z [INFO] ------------------------------------------------------------------------