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=25.1.3 -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: 1.666 s [INFO] Finished at: 2026-04-24T06:41:11Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1.3 -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 -> 25.1.3 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1.371 s [INFO] Finished at: 2026-04-24T06:41:14Z [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 6.8.0-110-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-04-24T05:14:01.796051389Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:41:37.214 [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 | 1.86 ms | 1.64 ms | 1.14 ms 1,000 | 2.76 ms | 1.33 ms | 1.45 ms 10,000 | 11.33 ms | 2.58 ms | 14.58 ms 49,871 | 29.50 ms | 2.94 ms | 22.25 ms 97,643 | 48.65 ms | 6.03 ms | 6.02 ms 495,995 | 235.65 ms | 23.84 ms | 40.72 ms 944,282 | 431.91 ms | 85.68 ms | 49.61 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 | 473.9 µs | 947.0 µs | 1.42 ms 10,000 | 1.68 ms | 998.6 µs | 2.68 ms 50,000 | 8.84 ms | 720.1 µs | 9.56 ms 100,000 | 4.28 ms | 669.3 µs | 4.95 ms 500,000 | 18.91 ms | 593.0 µs | 19.50 ms 948,423 | 42.33 ms | 580.5 µs | 42.91 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 | 4.16 ms ( 0.5x) | 1.17 ms ( 1.8x) | 570.3 µs ( 1.0x) 2x | 19,996 | 9.65 ms ( 1.1x) | 1.32 ms ( 2.1x) | 921.1 µs ( 1.7x) 5x | 49,871 | 23.42 ms ( 2.7x) | 2.45 ms ( 3.9x) | 1.82 ms ( 3.3x) 10x | 97,643 | 44.17 ms ( 5.1x) | 4.05 ms ( 6.4x) | 3.20 ms ( 5.9x) 20x | 196,569 | 88.34 ms (10.1x) | 7.93 ms (12.5x) | 6.92 ms (12.7x) 50x | 495,995 | 219.32 ms (25.2x) | 24.34 ms (38.5x) | 17.65 ms (32.3x) 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 | 193.2 µs | 5 | 208.0 µs 10,000 | 5 | 494.5 µs | 5 | 476.5 µs 97,643 | 5 | 4.97 ms | 5 | 3.64 ms 495,995 | 5 | 30.41 ms | 5 | 27.92 ms 944,282 | 5 | 84.85 ms | 5 | 39.39 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 | 4.01 ms | 3.35 ms 2 | 9.27 ms | 8.32 ms 3 | 11.91 ms | 13.53 ms 5 | 20.41 ms | 24.31 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.86 ms (baseline: 2.58 ms, -27.8%) ✓ sparkline.movingAvg.100: 1.64 ms (baseline: 4.39 ms, -62.7%) ✓ sparkline.rdp.100: 1.14 ms (baseline: 2.48 ms, -54.2%) ✓ sparkline.none.1000: 2.76 ms (baseline: 10.00 ms, -72.4%) ✓ sparkline.movingAvg.1000: 1.33 ms (baseline: 3.37 ms, -60.7%) ✓ sparkline.rdp.1000: 1.45 ms (baseline: 2.44 ms, -40.5%) ✓ sparkline.none.10000: 11.33 ms (baseline: 15.78 ms, -28.2%) ✓ sparkline.movingAvg.10000: 2.58 ms (baseline: 4.63 ms, -44.2%) ⚠️ sparkline.rdp.10000: 14.58 ms (baseline: 5.96 ms, +144.5%) sparkline.none.50000: 29.50 ms (baseline: 27.81 ms, +6.1%) ✓ sparkline.movingAvg.50000: 2.94 ms (baseline: 6.47 ms, -54.5%) ✓ sparkline.rdp.50000: 22.25 ms (baseline: 46.26 ms, -51.9%) ✓ sparkline.none.100000: 48.65 ms (baseline: 124.55 ms, -60.9%) ✓ sparkline.movingAvg.100000: 6.03 ms (baseline: 9.98 ms, -39.5%) sparkline.rdp.100000: 6.02 ms (baseline: 6.31 ms, -4.5%) ✓ sparkline.none.500000: 235.65 ms (baseline: 365.81 ms, -35.6%) ✓ sparkline.movingAvg.500000: 23.84 ms (baseline: 29.72 ms, -19.8%) ✓ sparkline.rdp.500000: 40.72 ms (baseline: 64.42 ms, -36.8%) ✓ sparkline.none.948423: 431.91 ms (baseline: 634.06 ms, -31.9%) ✓ sparkline.movingAvg.948423: 85.68 ms (baseline: 98.24 ms, -12.8%) ✓ sparkline.rdp.948423: 49.61 ms (baseline: 167.47 ms, -70.4%) ✓ windrose.aggregation.1000: 473.9 µs (baseline: 922.3 µs, -48.6%) ✓ windrose.draw.1000: 947.0 µs (baseline: 1.65 ms, -42.5%) windrose.aggregation.10000: 1.68 ms (baseline: 1.85 ms, -8.9%) windrose.draw.10000: 998.6 µs (baseline: 1.00 ms, -0.1%) ✓ windrose.aggregation.50000: 8.84 ms (baseline: 17.77 ms, -50.3%) ✓ windrose.draw.50000: 720.1 µs (baseline: 2.04 ms, -64.7%) ✓ windrose.aggregation.100000: 4.28 ms (baseline: 13.17 ms, -67.5%) ✓ windrose.draw.100000: 669.3 µs (baseline: 1.05 ms, -36.3%) ✓ windrose.aggregation.500000: 18.91 ms (baseline: 29.39 ms, -35.7%) ✓ windrose.draw.500000: 593.0 µs (baseline: 1.03 ms, -42.1%) ⚠️ windrose.aggregation.948423: 42.33 ms (baseline: 30.30 ms, +39.7%) ✓ windrose.draw.948423: 580.5 µs (baseline: 698.1 µs, -16.9%) scaling.none.1x: 4.16 ms (baseline: 4.31 ms, -3.4%) ⚠️ scaling.movingAvg.1x: 1.17 ms (baseline: 825.6 µs, +41.2%) ✓ scaling.rdp.1x: 570.3 µs (baseline: 865.3 µs, -34.1%) ✓ scaling.none.2x: 9.65 ms (baseline: 12.72 ms, -24.1%) ⚠️ scaling.movingAvg.2x: 1.32 ms (baseline: 1.08 ms, +22.6%) ✓ scaling.rdp.2x: 921.1 µs (baseline: 1.45 ms, -36.5%) scaling.none.5x: 23.42 ms (baseline: 19.83 ms, +18.1%) scaling.movingAvg.5x: 2.45 ms (baseline: 2.40 ms, +2.1%) scaling.rdp.5x: 1.82 ms (baseline: 1.82 ms, -0.2%) scaling.none.10x: 44.17 ms (baseline: 46.64 ms, -5.3%) ✓ scaling.movingAvg.10x: 4.05 ms (baseline: 6.48 ms, -37.6%) ✓ scaling.rdp.10x: 3.20 ms (baseline: 5.08 ms, -36.9%) ✓ scaling.none.20x: 88.34 ms (baseline: 138.78 ms, -36.3%) ✓ scaling.movingAvg.20x: 7.93 ms (baseline: 12.51 ms, -36.6%) ✓ scaling.rdp.20x: 6.92 ms (baseline: 8.19 ms, -15.4%) ✓ scaling.none.50x: 219.32 ms (baseline: 300.47 ms, -27.0%) scaling.movingAvg.50x: 24.34 ms (baseline: 25.69 ms, -5.2%) ✓ scaling.rdp.50x: 17.65 ms (baseline: 26.10 ms, -32.4%) ✓ multiseries.movingAvg.1series: 4.01 ms (baseline: 4.78 ms, -16.0%) ✓ multiseries.rdp.1series: 3.35 ms (baseline: 9.60 ms, -65.1%) ✓ multiseries.movingAvg.2series: 9.27 ms (baseline: 13.82 ms, -32.9%) ✓ multiseries.rdp.2series: 8.32 ms (baseline: 21.94 ms, -62.1%) ✓ multiseries.movingAvg.3series: 11.91 ms (baseline: 15.95 ms, -25.3%) ✓ multiseries.rdp.3series: 13.53 ms (baseline: 22.20 ms, -39.1%) ✓ multiseries.movingAvg.5series: 20.41 ms (baseline: 30.44 ms, -33.0%) ✓ multiseries.rdp.5series: 24.31 ms (baseline: 31.15 ms, -22.0%) 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: 28.86 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: 0.011 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: 0.013 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: 13.51 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: 48.808 s [INFO] Finished at: 2026-04-24T06:42:08Z [INFO] ------------------------------------------------------------------------