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=25.1.8 -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: 2.566 s [INFO] Finished at: 2026-06-19T07:49:17Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1.8 -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 -> 25.1.8 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.446 s [INFO] Finished at: 2026-06-19T07:49:22Z [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 6.8.0-124-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-06-19T05:56:45.856254183Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:49:57.067 [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 | 3.09 ms | 3.27 ms | 3.23 ms 1,000 | 4.27 ms | 3.72 ms | 2.76 ms 10,000 | 18.20 ms | 8.85 ms | 16.33 ms 49,871 | 47.14 ms | 10.22 ms | 80.56 ms 97,643 | 51.33 ms | 6.72 ms | 21.69 ms 495,995 | 358.31 ms | 71.99 ms | 26.44 ms 944,282 | 637.93 ms | 152.39 ms | 93.52 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 | 404.6 µs | 2.94 ms | 3.35 ms 10,000 | 3.12 ms | 1.66 ms | 4.78 ms 50,000 | 13.12 ms | 2.15 ms | 15.27 ms 100,000 | 7.34 ms | 2.60 ms | 9.94 ms 500,000 | 43.45 ms | 3.54 ms | 46.99 ms 948,423 | 105.06 ms | 4.24 ms | 109.30 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 | 4.63 ms ( 0.4x) | 954.3 µs ( 0.9x) | 668.9 µs ( 0.3x) 2x | 19,996 | 9.20 ms ( 0.8x) | 2.29 ms ( 2.2x) | 820.2 µs ( 0.4x) 5x | 49,871 | 23.36 ms ( 2.0x) | 6.17 ms ( 6.0x) | 3.05 ms ( 1.5x) 10x | 97,643 | 62.13 ms ( 5.3x) | 6.40 ms ( 6.2x) | 5.74 ms ( 2.8x) 20x | 196,569 | 116.51 ms (10.0x) | 16.56 ms (16.1x) | 8.05 ms ( 3.9x) 50x | 495,995 | 280.81 ms (24.0x) | 57.51 ms (55.8x) | 124.80 ms (60.4x) 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 | 786.7 µs | 5 | 244.3 µs 10,000 | 5 | 772.1 µs | 5 | 526.3 µs 97,643 | 5 | 7.32 ms | 5 | 4.18 ms 495,995 | 5 | 35.51 ms | 5 | 141.03 ms 944,282 | 5 | 116.20 ms | 5 | 124.27 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 | 7.04 ms | 17.25 ms 2 | 23.16 ms | 23.57 ms 3 | 21.89 ms | 15.31 ms 5 | 32.81 ms | 37.78 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.09 ms (baseline: 1.49 ms, +107.0%) ⚠️ sparkline.movingAvg.100: 3.27 ms (baseline: 1.71 ms, +90.8%) sparkline.rdp.100: 3.23 ms (baseline: 2.84 ms, +13.9%) ✓ sparkline.none.1000: 4.27 ms (baseline: 7.86 ms, -45.7%) sparkline.movingAvg.1000: 3.72 ms (baseline: 3.62 ms, +2.9%) ✓ sparkline.rdp.1000: 2.76 ms (baseline: 3.16 ms, -12.8%) ⚠️ sparkline.none.10000: 18.20 ms (baseline: 11.90 ms, +53.0%) ⚠️ sparkline.movingAvg.10000: 8.85 ms (baseline: 3.21 ms, +175.9%) ⚠️ sparkline.rdp.10000: 16.33 ms (baseline: 3.72 ms, +339.6%) sparkline.none.50000: 47.14 ms (baseline: 51.07 ms, -7.7%) sparkline.movingAvg.50000: 10.22 ms (baseline: 10.78 ms, -5.2%) sparkline.rdp.50000: 80.56 ms (baseline: 69.84 ms, +15.3%) ✓ sparkline.none.100000: 51.33 ms (baseline: 104.52 ms, -50.9%) ⚠️ sparkline.movingAvg.100000: 6.72 ms (baseline: 5.10 ms, +31.8%) ⚠️ sparkline.rdp.100000: 21.69 ms (baseline: 12.43 ms, +74.5%) sparkline.none.500000: 358.31 ms (baseline: 323.52 ms, +10.8%) ⚠️ sparkline.movingAvg.500000: 71.99 ms (baseline: 43.66 ms, +64.9%) ✓ sparkline.rdp.500000: 26.44 ms (baseline: 36.50 ms, -27.6%) sparkline.none.948423: 637.93 ms (baseline: 639.84 ms, -0.3%) ⚠️ sparkline.movingAvg.948423: 152.39 ms (baseline: 94.03 ms, +62.1%) ✓ sparkline.rdp.948423: 93.52 ms (baseline: 261.68 ms, -64.3%) ✓ windrose.aggregation.1000: 404.6 µs (baseline: 469.0 µs, -13.7%) ⚠️ windrose.draw.1000: 2.94 ms (baseline: 1.63 ms, +80.9%) ⚠️ windrose.aggregation.10000: 3.12 ms (baseline: 1.63 ms, +91.3%) ⚠️ windrose.draw.10000: 1.66 ms (baseline: 879.1 µs, +88.7%) ⚠️ windrose.aggregation.50000: 13.12 ms (baseline: 10.60 ms, +23.8%) ⚠️ windrose.draw.50000: 2.15 ms (baseline: 808.7 µs, +165.3%) ✓ windrose.aggregation.100000: 7.34 ms (baseline: 12.04 ms, -39.1%) ⚠️ windrose.draw.100000: 2.60 ms (baseline: 1.12 ms, +131.7%) ⚠️ windrose.aggregation.500000: 43.45 ms (baseline: 22.96 ms, +89.3%) ⚠️ windrose.draw.500000: 3.54 ms (baseline: 678.1 µs, +422.1%) ⚠️ windrose.aggregation.948423: 105.06 ms (baseline: 44.19 ms, +137.8%) ⚠️ windrose.draw.948423: 4.24 ms (baseline: 1.33 ms, +217.8%) ✓ scaling.none.1x: 4.63 ms (baseline: 7.74 ms, -40.2%) ✓ scaling.movingAvg.1x: 954.3 µs (baseline: 1.06 ms, -10.3%) ✓ scaling.rdp.1x: 668.9 µs (baseline: 980.3 µs, -31.8%) ✓ scaling.none.2x: 9.20 ms (baseline: 15.62 ms, -41.1%) ⚠️ scaling.movingAvg.2x: 2.29 ms (baseline: 1.74 ms, +31.9%) ✓ scaling.rdp.2x: 820.2 µs (baseline: 1.10 ms, -25.7%) ✓ scaling.none.5x: 23.36 ms (baseline: 27.12 ms, -13.9%) ⚠️ scaling.movingAvg.5x: 6.17 ms (baseline: 3.80 ms, +62.2%) ✓ scaling.rdp.5x: 3.05 ms (baseline: 7.90 ms, -61.5%) ⚠️ scaling.none.10x: 62.13 ms (baseline: 50.25 ms, +23.7%) scaling.movingAvg.10x: 6.40 ms (baseline: 6.57 ms, -2.6%) ✓ scaling.rdp.10x: 5.74 ms (baseline: 13.73 ms, -58.2%) ✓ scaling.none.20x: 116.51 ms (baseline: 138.82 ms, -16.1%) ⚠️ scaling.movingAvg.20x: 16.56 ms (baseline: 10.45 ms, +58.4%) ✓ scaling.rdp.20x: 8.05 ms (baseline: 9.17 ms, -12.2%) scaling.none.50x: 280.81 ms (baseline: 303.29 ms, -7.4%) ⚠️ scaling.movingAvg.50x: 57.51 ms (baseline: 41.06 ms, +40.1%) ⚠️ scaling.rdp.50x: 124.80 ms (baseline: 45.58 ms, +173.8%) multiseries.movingAvg.1series: 7.04 ms (baseline: 6.18 ms, +13.9%) ✓ multiseries.rdp.1series: 17.25 ms (baseline: 43.91 ms, -60.7%) ⚠️ multiseries.movingAvg.2series: 23.16 ms (baseline: 16.21 ms, +42.9%) multiseries.rdp.2series: 23.57 ms (baseline: 21.36 ms, +10.4%) multiseries.movingAvg.3series: 21.89 ms (baseline: 21.93 ms, -0.2%) ✓ multiseries.rdp.3series: 15.31 ms (baseline: 22.87 ms, -33.1%) ⚠️ multiseries.movingAvg.5series: 32.81 ms (baseline: 21.50 ms, +52.6%) multiseries.rdp.5series: 37.78 ms (baseline: 32.99 ms, +14.5%) 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: 45.75 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: 0.017 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: 0.022 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: 20.38 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: 01:16 min [INFO] Finished at: 2026-06-19T07:50:46Z [INFO] ------------------------------------------------------------------------