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: 2.577 s [INFO] Finished at: 2026-04-22T18:25:57Z [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: 2.226 s [INFO] Finished at: 2026-04-22T18:26:01Z [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: 2026-04-22T16:35:31.199769937Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 18:26:28.926 [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 | 4.67 ms | 3.04 ms | 1.39 ms 1,000 | 4.53 ms | 3.08 ms | 2.14 ms 10,000 | 24.65 ms | 5.51 ms | 7.76 ms 49,871 | 42.19 ms | 9.81 ms | 14.05 ms 97,643 | 90.65 ms | 5.56 ms | 5.92 ms 495,995 | 291.13 ms | 55.33 ms | 33.97 ms 944,282 | 602.09 ms | 98.66 ms | 147.77 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 | 475.0 µs | 1.27 ms | 1.74 ms 10,000 | 1.76 ms | 933.1 µs | 2.70 ms 50,000 | 9.53 ms | 1.30 ms | 10.83 ms 100,000 | 21.45 ms | 1.31 ms | 22.76 ms 500,000 | 35.77 ms | 1.33 ms | 37.10 ms 948,423 | 47.47 ms | 661.1 µs | 48.13 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 | 8.22 ms ( 1.1x) | 909.8 µs ( 0.7x) | 801.9 µs ( 1.3x) 2x | 19,996 | 17.69 ms ( 2.4x) | 1.53 ms ( 1.1x) | 1.42 ms ( 2.4x) 5x | 49,871 | 29.85 ms ( 4.1x) | 3.03 ms ( 2.2x) | 1.81 ms ( 3.0x) 10x | 97,643 | 43.11 ms ( 5.9x) | 5.56 ms ( 4.0x) | 6.16 ms (10.3x) 20x | 196,569 | 102.64 ms (14.0x) | 15.07 ms (11.0x) | 12.90 ms (21.6x) 50x | 495,995 | 252.70 ms (34.4x) | 36.53 ms (26.6x) | 23.23 ms (39.0x) 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 | 127.5 µs | 5 | 365.4 µs 10,000 | 5 | 528.9 µs | 5 | 512.7 µs 97,643 | 5 | 4.27 ms | 5 | 3.07 ms 495,995 | 5 | 40.40 ms | 5 | 29.71 ms 944,282 | 5 | 109.15 ms | 5 | 61.62 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 | 12.04 ms | 9.85 ms 2 | 9.94 ms | 11.75 ms 3 | 13.54 ms | 19.82 ms 5 | 24.10 ms | 26.20 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 4.67 ms (baseline: 3.01 ms, +55.3%) ✓ sparkline.movingAvg.100: 3.04 ms (baseline: 6.57 ms, -53.7%) ✓ sparkline.rdp.100: 1.39 ms (baseline: 2.76 ms, -49.9%) ✓ sparkline.none.1000: 4.53 ms (baseline: 6.13 ms, -26.0%) sparkline.movingAvg.1000: 3.08 ms (baseline: 2.57 ms, +20.0%) ✓ sparkline.rdp.1000: 2.14 ms (baseline: 3.03 ms, -29.3%) sparkline.none.10000: 24.65 ms (baseline: 26.57 ms, -7.2%) sparkline.movingAvg.10000: 5.51 ms (baseline: 5.65 ms, -2.5%) ✓ sparkline.rdp.10000: 7.76 ms (baseline: 12.74 ms, -39.1%) sparkline.none.50000: 42.19 ms (baseline: 46.06 ms, -8.4%) ⚠️ sparkline.movingAvg.50000: 9.81 ms (baseline: 4.49 ms, +118.6%) ✓ sparkline.rdp.50000: 14.05 ms (baseline: 28.69 ms, -51.0%) ⚠️ sparkline.none.100000: 90.65 ms (baseline: 63.28 ms, +43.3%) ✓ sparkline.movingAvg.100000: 5.56 ms (baseline: 6.37 ms, -12.7%) sparkline.rdp.100000: 5.92 ms (baseline: 5.06 ms, +16.8%) ✓ sparkline.none.500000: 291.13 ms (baseline: 410.99 ms, -29.2%) sparkline.movingAvg.500000: 55.33 ms (baseline: 53.48 ms, +3.5%) ✓ sparkline.rdp.500000: 33.97 ms (baseline: 73.96 ms, -54.1%) sparkline.none.948423: 602.09 ms (baseline: 628.86 ms, -4.3%) ✓ sparkline.movingAvg.948423: 98.66 ms (baseline: 124.50 ms, -20.8%) ⚠️ sparkline.rdp.948423: 147.77 ms (baseline: 61.07 ms, +142.0%) ✓ windrose.aggregation.1000: 475.0 µs (baseline: 553.6 µs, -14.2%) ✓ windrose.draw.1000: 1.27 ms (baseline: 1.70 ms, -25.7%) windrose.aggregation.10000: 1.76 ms (baseline: 1.55 ms, +13.5%) ✓ windrose.draw.10000: 933.1 µs (baseline: 1.86 ms, -49.9%) ✓ windrose.aggregation.50000: 9.53 ms (baseline: 13.14 ms, -27.5%) ✓ windrose.draw.50000: 1.30 ms (baseline: 1.87 ms, -30.3%) ⚠️ windrose.aggregation.100000: 21.45 ms (baseline: 14.87 ms, +44.2%) ✓ windrose.draw.100000: 1.31 ms (baseline: 1.67 ms, -21.5%) windrose.aggregation.500000: 35.77 ms (baseline: 36.41 ms, -1.7%) ⚠️ windrose.draw.500000: 1.33 ms (baseline: 658.0 µs, +102.3%) ✓ windrose.aggregation.948423: 47.47 ms (baseline: 72.21 ms, -34.3%) ✓ windrose.draw.948423: 661.1 µs (baseline: 3.15 ms, -79.0%) ✓ scaling.none.1x: 8.22 ms (baseline: 10.61 ms, -22.6%) ✓ scaling.movingAvg.1x: 909.8 µs (baseline: 4.37 ms, -79.2%) ✓ scaling.rdp.1x: 801.9 µs (baseline: 2.77 ms, -71.0%) ✓ scaling.none.2x: 17.69 ms (baseline: 23.44 ms, -24.6%) ✓ scaling.movingAvg.2x: 1.53 ms (baseline: 3.74 ms, -59.2%) ✓ scaling.rdp.2x: 1.42 ms (baseline: 4.17 ms, -66.0%) scaling.none.5x: 29.85 ms (baseline: 32.13 ms, -7.1%) scaling.movingAvg.5x: 3.03 ms (baseline: 3.08 ms, -1.8%) scaling.rdp.5x: 1.81 ms (baseline: 1.96 ms, -7.8%) scaling.none.10x: 43.11 ms (baseline: 46.81 ms, -7.9%) ✓ scaling.movingAvg.10x: 5.56 ms (baseline: 6.35 ms, -12.4%) ✓ scaling.rdp.10x: 6.16 ms (baseline: 9.67 ms, -36.3%) ✓ scaling.none.20x: 102.64 ms (baseline: 115.80 ms, -11.4%) ⚠️ scaling.movingAvg.20x: 15.07 ms (baseline: 11.22 ms, +34.4%) ⚠️ scaling.rdp.20x: 12.90 ms (baseline: 9.76 ms, +32.1%) ✓ scaling.none.50x: 252.70 ms (baseline: 303.53 ms, -16.7%) ✓ scaling.movingAvg.50x: 36.53 ms (baseline: 45.20 ms, -19.2%) ✓ scaling.rdp.50x: 23.23 ms (baseline: 34.23 ms, -32.1%) ⚠️ multiseries.movingAvg.1series: 12.04 ms (baseline: 6.80 ms, +77.1%) ✓ multiseries.rdp.1series: 9.85 ms (baseline: 12.33 ms, -20.1%) multiseries.movingAvg.2series: 9.94 ms (baseline: 9.09 ms, +9.4%) ⚠️ multiseries.rdp.2series: 11.75 ms (baseline: 8.78 ms, +33.9%) ✓ multiseries.movingAvg.3series: 13.54 ms (baseline: 18.06 ms, -25.0%) multiseries.rdp.3series: 19.82 ms (baseline: 17.93 ms, +10.6%) multiseries.movingAvg.5series: 24.10 ms (baseline: 24.56 ms, -1.9%) ✓ multiseries.rdp.5series: 26.20 ms (baseline: 29.31 ms, -10.6%) 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: 39.67 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: 0.048 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: 0.047 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: 14.50 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: 01:03 min [INFO] Finished at: 2026-04-22T18:27:08Z [INFO] ------------------------------------------------------------------------