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: 2.547 s [INFO] Finished at: 2026-04-22T12:23:35Z [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: 2.040 s [INFO] Finished at: 2026-04-22T12:23:39Z [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: 2026-04-22T10:42:16.530973541Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 12:24:06.527 [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 | 6.84 ms | 5.88 ms | 3.35 ms 1,000 | 7.76 ms | 5.08 ms | 2.58 ms 10,000 | 30.62 ms | 4.67 ms | 10.45 ms 49,871 | 61.73 ms | 3.04 ms | 41.54 ms 97,643 | 92.90 ms | 7.53 ms | 7.83 ms 495,995 | 289.90 ms | 31.04 ms | 21.42 ms 944,282 | 520.71 ms | 103.92 ms | 113.97 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 | 579.8 µs | 2.55 ms | 3.13 ms 10,000 | 1.91 ms | 734.9 µs | 2.64 ms 50,000 | 13.12 ms | 916.6 µs | 14.04 ms 100,000 | 5.08 ms | 721.7 µs | 5.80 ms 500,000 | 21.49 ms | 601.0 µs | 22.09 ms 948,423 | 63.11 ms | 977.5 µs | 64.09 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 | 7.04 ms ( 1.4x) | 1.47 ms ( 0.8x) | 1.03 ms ( 1.9x) 2x | 19,996 | 10.88 ms ( 2.2x) | 2.33 ms ( 1.3x) | 2.14 ms ( 3.9x) 5x | 49,871 | 26.51 ms ( 5.3x) | 8.20 ms ( 4.5x) | 2.65 ms ( 4.8x) 10x | 97,643 | 43.53 ms ( 8.7x) | 6.75 ms ( 3.7x) | 3.30 ms ( 6.0x) 20x | 196,569 | 90.84 ms (18.1x) | 11.06 ms ( 6.1x) | 9.24 ms (16.7x) 50x | 495,995 | 296.39 ms (58.9x) | 33.23 ms (18.3x) | 25.86 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 | 186.0 µs | 5 | 1.64 ms 10,000 | 5 | 1.54 ms | 5 | 2.08 ms 97,643 | 5 | 7.04 ms | 5 | 5.66 ms 495,995 | 5 | 45.17 ms | 5 | 22.38 ms 944,282 | 5 | 120.82 ms | 5 | 76.17 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 | 4.56 ms | 3.04 ms 2 | 9.28 ms | 8.58 ms 3 | 19.45 ms | 19.16 ms 5 | 24.75 ms | 25.11 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 6.84 ms (baseline: 3.40 ms, +101.4%) ⚠️ sparkline.movingAvg.100: 5.88 ms (baseline: 4.39 ms, +34.1%) ✓ sparkline.rdp.100: 3.35 ms (baseline: 3.91 ms, -14.2%) ✓ sparkline.none.1000: 7.76 ms (baseline: 9.99 ms, -22.4%) ⚠️ sparkline.movingAvg.1000: 5.08 ms (baseline: 3.14 ms, +61.7%) ✓ sparkline.rdp.1000: 2.58 ms (baseline: 3.79 ms, -32.0%) ⚠️ sparkline.none.10000: 30.62 ms (baseline: 14.80 ms, +106.9%) ⚠️ sparkline.movingAvg.10000: 4.67 ms (baseline: 3.83 ms, +22.0%) ⚠️ sparkline.rdp.10000: 10.45 ms (baseline: 3.74 ms, +179.2%) ⚠️ sparkline.none.50000: 61.73 ms (baseline: 44.82 ms, +37.7%) ✓ sparkline.movingAvg.50000: 3.04 ms (baseline: 5.13 ms, -40.8%) ✓ sparkline.rdp.50000: 41.54 ms (baseline: 65.69 ms, -36.8%) ⚠️ sparkline.none.100000: 92.90 ms (baseline: 63.34 ms, +46.7%) sparkline.movingAvg.100000: 7.53 ms (baseline: 6.60 ms, +14.1%) ✓ sparkline.rdp.100000: 7.83 ms (baseline: 66.83 ms, -88.3%) ✓ sparkline.none.500000: 289.90 ms (baseline: 355.32 ms, -18.4%) ✓ sparkline.movingAvg.500000: 31.04 ms (baseline: 45.78 ms, -32.2%) ✓ sparkline.rdp.500000: 21.42 ms (baseline: 75.43 ms, -71.6%) ✓ sparkline.none.948423: 520.71 ms (baseline: 641.16 ms, -18.8%) ✓ sparkline.movingAvg.948423: 103.92 ms (baseline: 137.17 ms, -24.2%) ⚠️ sparkline.rdp.948423: 113.97 ms (baseline: 72.85 ms, +56.4%) ⚠️ windrose.aggregation.1000: 579.8 µs (baseline: 405.5 µs, +43.0%) ⚠️ windrose.draw.1000: 2.55 ms (baseline: 1.21 ms, +111.7%) ✓ windrose.aggregation.10000: 1.91 ms (baseline: 4.13 ms, -53.8%) ✓ windrose.draw.10000: 734.9 µs (baseline: 2.19 ms, -66.4%) ✓ windrose.aggregation.50000: 13.12 ms (baseline: 18.30 ms, -28.3%) ✓ windrose.draw.50000: 916.6 µs (baseline: 1.81 ms, -49.4%) ✓ windrose.aggregation.100000: 5.08 ms (baseline: 5.83 ms, -12.8%) ✓ windrose.draw.100000: 721.7 µs (baseline: 849.4 µs, -15.0%) windrose.aggregation.500000: 21.49 ms (baseline: 18.77 ms, +14.5%) windrose.draw.500000: 601.0 µs (baseline: 633.6 µs, -5.1%) ✓ windrose.aggregation.948423: 63.11 ms (baseline: 76.69 ms, -17.7%) ✓ windrose.draw.948423: 977.5 µs (baseline: 2.60 ms, -62.5%) ✓ scaling.none.1x: 7.04 ms (baseline: 15.59 ms, -54.9%) scaling.movingAvg.1x: 1.47 ms (baseline: 1.32 ms, +11.0%) ⚠️ scaling.rdp.1x: 1.03 ms (baseline: 609.9 µs, +69.4%) scaling.none.2x: 10.88 ms (baseline: 12.00 ms, -9.4%) ✓ scaling.movingAvg.2x: 2.33 ms (baseline: 2.81 ms, -17.2%) ✓ scaling.rdp.2x: 2.14 ms (baseline: 3.03 ms, -29.5%) ✓ scaling.none.5x: 26.51 ms (baseline: 37.54 ms, -29.4%) ✓ scaling.movingAvg.5x: 8.20 ms (baseline: 11.80 ms, -30.5%) ✓ scaling.rdp.5x: 2.65 ms (baseline: 3.45 ms, -23.2%) scaling.none.10x: 43.53 ms (baseline: 44.24 ms, -1.6%) scaling.movingAvg.10x: 6.75 ms (baseline: 6.71 ms, +0.5%) ✓ scaling.rdp.10x: 3.30 ms (baseline: 3.99 ms, -17.1%) ✓ scaling.none.20x: 90.84 ms (baseline: 121.09 ms, -25.0%) scaling.movingAvg.20x: 11.06 ms (baseline: 12.06 ms, -8.3%) scaling.rdp.20x: 9.24 ms (baseline: 7.77 ms, +18.9%) scaling.none.50x: 296.39 ms (baseline: 290.51 ms, +2.0%) ✓ scaling.movingAvg.50x: 33.23 ms (baseline: 49.90 ms, -33.4%) ⚠️ scaling.rdp.50x: 25.86 ms (baseline: 18.06 ms, +43.2%) ✓ multiseries.movingAvg.1series: 4.56 ms (baseline: 5.69 ms, -19.9%) ✓ multiseries.rdp.1series: 3.04 ms (baseline: 10.33 ms, -70.6%) multiseries.movingAvg.2series: 9.28 ms (baseline: 9.56 ms, -2.9%) ✓ multiseries.rdp.2series: 8.58 ms (baseline: 16.42 ms, -47.7%) ⚠️ multiseries.movingAvg.3series: 19.45 ms (baseline: 15.38 ms, +26.5%) ⚠️ multiseries.rdp.3series: 19.16 ms (baseline: 14.99 ms, +27.9%) multiseries.movingAvg.5series: 24.75 ms (baseline: 22.22 ms, +11.4%) ✓ multiseries.rdp.5series: 25.11 ms (baseline: 30.11 ms, -16.6%) 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: 39.53 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: 0.013 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: 0.010 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: 13.56 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: 01:02 min [INFO] Finished at: 2026-04-22T12:24:44Z [INFO] ------------------------------------------------------------------------