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: 2.274 s [INFO] Finished at: 2026-04-24T12:23:04Z [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: 1.871 s [INFO] Finished at: 2026-04-24T12:23:07Z [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: 2026-04-24T10:43:47.503833274Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 12:23:37.150 [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 | 2.75 ms | 1.56 ms | 1.55 ms 1,000 | 5.09 ms | 2.69 ms | 2.64 ms 10,000 | 18.71 ms | 9.93 ms | 4.73 ms 49,871 | 46.76 ms | 3.92 ms | 65.31 ms 97,643 | 93.16 ms | 6.33 ms | 13.16 ms 495,995 | 363.92 ms | 33.84 ms | 38.20 ms 944,282 | 583.14 ms | 120.14 ms | 143.00 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 | 405.6 µs | 1.14 ms | 1.54 ms 10,000 | 3.31 ms | 1.17 ms | 4.48 ms 50,000 | 9.39 ms | 641.1 µs | 10.03 ms 100,000 | 7.54 ms | 673.3 µs | 8.21 ms 500,000 | 33.16 ms | 1.11 ms | 34.27 ms 948,423 | 43.08 ms | 591.6 µs | 43.67 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 | 5.21 ms ( 0.5x) | 699.4 µs ( 0.5x) | 574.6 µs ( 0.3x) 2x | 19,996 | 11.40 ms ( 1.2x) | 2.20 ms ( 1.7x) | 2.16 ms ( 1.1x) 5x | 49,871 | 35.55 ms ( 3.6x) | 4.86 ms ( 3.7x) | 3.69 ms ( 1.9x) 10x | 97,643 | 53.94 ms ( 5.5x) | 4.83 ms ( 3.7x) | 3.56 ms ( 1.8x) 20x | 196,569 | 113.11 ms (11.5x) | 12.70 ms ( 9.7x) | 12.34 ms ( 6.2x) 50x | 495,995 | 266.75 ms (27.1x) | 40.54 ms (30.9x) | 46.22 ms (23.2x) 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 | 425.1 µs | 5 | 415.8 µs 10,000 | 5 | 1.60 ms | 5 | 634.3 µs 97,643 | 5 | 4.82 ms | 5 | 4.97 ms 495,995 | 5 | 33.16 ms | 5 | 33.29 ms 944,282 | 5 | 101.23 ms | 5 | 59.37 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 | 6.48 ms | 3.93 ms 2 | 9.59 ms | 11.94 ms 3 | 23.10 ms | 17.86 ms 5 | 24.27 ms | 30.48 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 2.75 ms (baseline: 1.77 ms, +55.3%) sparkline.movingAvg.100: 1.56 ms (baseline: 1.39 ms, +12.3%) ✓ sparkline.rdp.100: 1.55 ms (baseline: 2.22 ms, -30.1%) ⚠️ sparkline.none.1000: 5.09 ms (baseline: 2.77 ms, +83.8%) ⚠️ sparkline.movingAvg.1000: 2.69 ms (baseline: 1.63 ms, +65.4%) ⚠️ sparkline.rdp.1000: 2.64 ms (baseline: 2.06 ms, +27.9%) ⚠️ sparkline.none.10000: 18.71 ms (baseline: 14.87 ms, +25.8%) ⚠️ sparkline.movingAvg.10000: 9.93 ms (baseline: 3.04 ms, +226.9%) ✓ sparkline.rdp.10000: 4.73 ms (baseline: 8.01 ms, -40.9%) ⚠️ sparkline.none.50000: 46.76 ms (baseline: 25.13 ms, +86.1%) ⚠️ sparkline.movingAvg.50000: 3.92 ms (baseline: 2.83 ms, +38.4%) sparkline.rdp.50000: 65.31 ms (baseline: 69.92 ms, -6.6%) sparkline.none.100000: 93.16 ms (baseline: 88.85 ms, +4.9%) sparkline.movingAvg.100000: 6.33 ms (baseline: 6.60 ms, -4.1%) sparkline.rdp.100000: 13.16 ms (baseline: 11.19 ms, +17.6%) sparkline.none.500000: 363.92 ms (baseline: 311.12 ms, +17.0%) sparkline.movingAvg.500000: 33.84 ms (baseline: 29.01 ms, +16.7%) ✓ sparkline.rdp.500000: 38.20 ms (baseline: 46.23 ms, -17.4%) ⚠️ sparkline.none.948423: 583.14 ms (baseline: 438.93 ms, +32.9%) ⚠️ sparkline.movingAvg.948423: 120.14 ms (baseline: 85.37 ms, +40.7%) ⚠️ sparkline.rdp.948423: 143.00 ms (baseline: 55.78 ms, +156.4%) ✓ windrose.aggregation.1000: 405.6 µs (baseline: 918.5 µs, -55.8%) ✓ windrose.draw.1000: 1.14 ms (baseline: 1.27 ms, -10.9%) ⚠️ windrose.aggregation.10000: 3.31 ms (baseline: 1.50 ms, +121.3%) ⚠️ windrose.draw.10000: 1.17 ms (baseline: 772.2 µs, +51.4%) ⚠️ windrose.aggregation.50000: 9.39 ms (baseline: 7.38 ms, +27.2%) ✓ windrose.draw.50000: 641.1 µs (baseline: 1.75 ms, -63.4%) ✓ windrose.aggregation.100000: 7.54 ms (baseline: 11.22 ms, -32.8%) ✓ windrose.draw.100000: 673.3 µs (baseline: 1.68 ms, -59.9%) windrose.aggregation.500000: 33.16 ms (baseline: 28.30 ms, +17.2%) ⚠️ windrose.draw.500000: 1.11 ms (baseline: 706.9 µs, +57.0%) windrose.aggregation.948423: 43.08 ms (baseline: 39.52 ms, +9.0%) windrose.draw.948423: 591.6 µs (baseline: 567.9 µs, +4.2%) ✓ scaling.none.1x: 5.21 ms (baseline: 7.53 ms, -30.8%) scaling.movingAvg.1x: 699.4 µs (baseline: 638.4 µs, +9.6%) ✓ scaling.rdp.1x: 574.6 µs (baseline: 709.2 µs, -19.0%) ⚠️ scaling.none.2x: 11.40 ms (baseline: 8.96 ms, +27.2%) ⚠️ scaling.movingAvg.2x: 2.20 ms (baseline: 1.25 ms, +76.2%) ⚠️ scaling.rdp.2x: 2.16 ms (baseline: 915.6 µs, +135.5%) ⚠️ scaling.none.5x: 35.55 ms (baseline: 21.59 ms, +64.7%) scaling.movingAvg.5x: 4.86 ms (baseline: 4.44 ms, +9.7%) scaling.rdp.5x: 3.69 ms (baseline: 3.36 ms, +9.9%) ⚠️ scaling.none.10x: 53.94 ms (baseline: 38.75 ms, +39.2%) scaling.movingAvg.10x: 4.83 ms (baseline: 5.27 ms, -8.3%) scaling.rdp.10x: 3.56 ms (baseline: 3.79 ms, -6.1%) ⚠️ scaling.none.20x: 113.11 ms (baseline: 80.29 ms, +40.9%) ⚠️ scaling.movingAvg.20x: 12.70 ms (baseline: 8.92 ms, +42.4%) ⚠️ scaling.rdp.20x: 12.34 ms (baseline: 7.40 ms, +66.8%) ⚠️ scaling.none.50x: 266.75 ms (baseline: 213.53 ms, +24.9%) scaling.movingAvg.50x: 40.54 ms (baseline: 34.36 ms, +18.0%) ✓ scaling.rdp.50x: 46.22 ms (baseline: 54.84 ms, -15.7%) ⚠️ multiseries.movingAvg.1series: 6.48 ms (baseline: 5.07 ms, +27.8%) multiseries.rdp.1series: 3.93 ms (baseline: 3.36 ms, +17.1%) ⚠️ multiseries.movingAvg.2series: 9.59 ms (baseline: 7.77 ms, +23.4%) ⚠️ multiseries.rdp.2series: 11.94 ms (baseline: 9.57 ms, +24.7%) multiseries.movingAvg.3series: 23.10 ms (baseline: 23.18 ms, -0.3%) multiseries.rdp.3series: 17.86 ms (baseline: 19.23 ms, -7.1%) multiseries.movingAvg.5series: 24.27 ms (baseline: 25.35 ms, -4.3%) ⚠️ multiseries.rdp.5series: 30.48 ms (baseline: 23.85 ms, +27.8%) 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: 41.17 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: 0.034 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: 0.060 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: 15.38 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: 01:07 min [INFO] Finished at: 2026-04-24T12:24:17Z [INFO] ------------------------------------------------------------------------