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: 2.715 s [INFO] Finished at: 2026-05-23T06:56:08Z [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: 2.307 s [INFO] Finished at: 2026-05-23T06:56:13Z [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: 2026-05-23T05:26:36.160067672Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:56:47.207 [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 | 1.31 ms | 4.28 ms | 3.93 ms 1,000 | 3.40 ms | 2.12 ms | 5.08 ms 10,000 | 31.33 ms | 5.18 ms | 4.30 ms 49,871 | 50.94 ms | 4.33 ms | 55.52 ms 97,643 | 98.23 ms | 15.57 ms | 18.15 ms 495,995 | 350.72 ms | 38.09 ms | 28.78 ms 944,282 | 624.42 ms | 120.87 ms | 81.11 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 | 1.88 ms | 1.95 ms | 3.84 ms 10,000 | 6.55 ms | 2.63 ms | 9.18 ms 50,000 | 23.46 ms | 1.73 ms | 25.18 ms 100,000 | 15.68 ms | 587.8 µs | 16.27 ms 500,000 | 26.02 ms | 556.7 µs | 26.58 ms 948,423 | 46.17 ms | 785.6 µs | 46.95 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 | 5.94 ms ( 0.5x) | 922.8 µs ( 0.8x) | 2.21 ms ( 2.9x) 2x | 19,996 | 19.57 ms ( 1.5x) | 1.75 ms ( 1.6x) | 2.34 ms ( 3.0x) 5x | 49,871 | 40.11 ms ( 3.1x) | 5.45 ms ( 4.9x) | 4.06 ms ( 5.3x) 10x | 97,643 | 57.54 ms ( 4.4x) | 4.11 ms ( 3.7x) | 3.20 ms ( 4.2x) 20x | 196,569 | 131.37 ms (10.0x) | 9.41 ms ( 8.5x) | 11.57 ms (15.0x) 50x | 495,995 | 324.62 ms (24.8x) | 49.27 ms (44.7x) | 28.94 ms (37.6x) 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 | 160.0 µs | 5 | 198.7 µs 10,000 | 5 | 964.2 µs | 5 | 1.25 ms 97,643 | 5 | 4.47 ms | 5 | 3.21 ms 495,995 | 5 | 32.95 ms | 5 | 23.53 ms 944,282 | 5 | 133.86 ms | 5 | 87.97 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 | 4.15 ms | 9.31 ms 2 | 20.89 ms | 17.01 ms 3 | 15.29 ms | 18.32 ms 5 | 37.40 ms | 38.95 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.31 ms (baseline: 2.68 ms, -51.0%) ⚠️ sparkline.movingAvg.100: 4.28 ms (baseline: 2.29 ms, +86.8%) ⚠️ sparkline.rdp.100: 3.93 ms (baseline: 1.37 ms, +187.5%) ✓ sparkline.none.1000: 3.40 ms (baseline: 4.23 ms, -19.7%) sparkline.movingAvg.1000: 2.12 ms (baseline: 1.86 ms, +14.2%) ⚠️ sparkline.rdp.1000: 5.08 ms (baseline: 2.17 ms, +134.1%) sparkline.none.10000: 31.33 ms (baseline: 34.75 ms, -9.9%) ✓ sparkline.movingAvg.10000: 5.18 ms (baseline: 7.21 ms, -28.2%) ✓ sparkline.rdp.10000: 4.30 ms (baseline: 5.32 ms, -19.2%) sparkline.none.50000: 50.94 ms (baseline: 49.16 ms, +3.6%) ⚠️ sparkline.movingAvg.50000: 4.33 ms (baseline: 3.00 ms, +44.0%) ✓ sparkline.rdp.50000: 55.52 ms (baseline: 65.77 ms, -15.6%) ⚠️ sparkline.none.100000: 98.23 ms (baseline: 58.36 ms, +68.3%) sparkline.movingAvg.100000: 15.57 ms (baseline: 14.14 ms, +10.1%) ⚠️ sparkline.rdp.100000: 18.15 ms (baseline: 7.48 ms, +142.8%) sparkline.none.500000: 350.72 ms (baseline: 327.66 ms, +7.0%) ⚠️ sparkline.movingAvg.500000: 38.09 ms (baseline: 28.19 ms, +35.1%) sparkline.rdp.500000: 28.78 ms (baseline: 25.52 ms, +12.8%) sparkline.none.948423: 624.42 ms (baseline: 658.09 ms, -5.1%) ✓ sparkline.movingAvg.948423: 120.87 ms (baseline: 138.22 ms, -12.5%) ✓ sparkline.rdp.948423: 81.11 ms (baseline: 111.19 ms, -27.0%) ✓ windrose.aggregation.1000: 1.88 ms (baseline: 4.99 ms, -62.2%) windrose.draw.1000: 1.95 ms (baseline: 1.89 ms, +3.4%) ⚠️ windrose.aggregation.10000: 6.55 ms (baseline: 3.49 ms, +87.6%) ✓ windrose.draw.10000: 2.63 ms (baseline: 3.25 ms, -19.0%) ✓ windrose.aggregation.50000: 23.46 ms (baseline: 27.97 ms, -16.1%) ✓ windrose.draw.50000: 1.73 ms (baseline: 3.06 ms, -43.5%) ⚠️ windrose.aggregation.100000: 15.68 ms (baseline: 8.64 ms, +81.6%) ✓ windrose.draw.100000: 587.8 µs (baseline: 1.89 ms, -68.9%) ✓ windrose.aggregation.500000: 26.02 ms (baseline: 32.25 ms, -19.3%) ✓ windrose.draw.500000: 556.7 µs (baseline: 2.07 ms, -73.1%) ✓ windrose.aggregation.948423: 46.17 ms (baseline: 252.85 ms, -81.7%) ✓ windrose.draw.948423: 785.6 µs (baseline: 1.73 ms, -54.7%) ⚠️ scaling.none.1x: 5.94 ms (baseline: 4.39 ms, +35.2%) ⚠️ scaling.movingAvg.1x: 922.8 µs (baseline: 619.9 µs, +48.8%) ⚠️ scaling.rdp.1x: 2.21 ms (baseline: 532.8 µs, +314.3%) ✓ scaling.none.2x: 19.57 ms (baseline: 22.52 ms, -13.1%) ✓ scaling.movingAvg.2x: 1.75 ms (baseline: 2.12 ms, -17.6%) ⚠️ scaling.rdp.2x: 2.34 ms (baseline: 1.86 ms, +25.6%) scaling.none.5x: 40.11 ms (baseline: 35.34 ms, +13.5%) scaling.movingAvg.5x: 5.45 ms (baseline: 5.14 ms, +6.1%) ✓ scaling.rdp.5x: 4.06 ms (baseline: 5.47 ms, -25.9%) scaling.none.10x: 57.54 ms (baseline: 52.86 ms, +8.9%) ✓ scaling.movingAvg.10x: 4.11 ms (baseline: 6.56 ms, -37.4%) ✓ scaling.rdp.10x: 3.20 ms (baseline: 10.53 ms, -69.6%) scaling.none.20x: 131.37 ms (baseline: 119.89 ms, +9.6%) ✓ scaling.movingAvg.20x: 9.41 ms (baseline: 13.31 ms, -29.3%) ⚠️ scaling.rdp.20x: 11.57 ms (baseline: 8.72 ms, +32.6%) scaling.none.50x: 324.62 ms (baseline: 316.79 ms, +2.5%) ⚠️ scaling.movingAvg.50x: 49.27 ms (baseline: 38.55 ms, +27.8%) ✓ scaling.rdp.50x: 28.94 ms (baseline: 49.03 ms, -41.0%) ✓ multiseries.movingAvg.1series: 4.15 ms (baseline: 6.53 ms, -36.4%) multiseries.rdp.1series: 9.31 ms (baseline: 8.60 ms, +8.3%) ⚠️ multiseries.movingAvg.2series: 20.89 ms (baseline: 16.56 ms, +26.1%) ⚠️ multiseries.rdp.2series: 17.01 ms (baseline: 9.53 ms, +78.6%) multiseries.movingAvg.3series: 15.29 ms (baseline: 15.06 ms, +1.5%) ✓ multiseries.rdp.3series: 18.32 ms (baseline: 24.11 ms, -24.0%) ⚠️ multiseries.movingAvg.5series: 37.40 ms (baseline: 24.88 ms, +50.3%) ⚠️ multiseries.rdp.5series: 38.95 ms (baseline: 27.57 ms, +41.3%) 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: 43.12 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: 0.020 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: 0.068 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: 20.14 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: 01:13 min [INFO] Finished at: 2026-05-23T06:57:35Z [INFO] ------------------------------------------------------------------------