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 939d4f0 [maven-release-plugin] prepare for next development iteration $ mvn versions:set-property -Dproperty=vaadin.version -DnewVersion=25.1-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:1.1.1-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 1.1.1-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: 2.561 s [INFO] Finished at: 2026-07-20T22:29:21Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1-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:1.1.1-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 1.1.1-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:1.1.1-SNAPSHOT -> 25.1-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.312 s [INFO] Finished at: 2026-07-20T22:29:26Z [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:1.1.1-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 1.1.1-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:1.1.1-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 6.8.0-136-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-07-20T21:31:05.335008867Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 22:30:01.297 [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 | 3.94 ms | 4.79 ms | 1.85 ms 1,000 | 6.93 ms | 6.46 ms | 3.99 ms 10,000 | 22.94 ms | 7.06 ms | 24.55 ms 49,871 | 32.32 ms | 6.81 ms | 56.79 ms 97,643 | 87.69 ms | 5.71 ms | 4.39 ms 495,995 | 397.46 ms | 60.00 ms | 43.05 ms 944,282 | 650.17 ms | 118.34 ms | 74.99 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 | 420.5 µs | 2.44 ms | 2.86 ms 10,000 | 1.45 ms | 2.59 ms | 4.04 ms 50,000 | 17.71 ms | 1.49 ms | 19.20 ms 100,000 | 8.84 ms | 2.39 ms | 11.23 ms 500,000 | 58.76 ms | 597.3 µs | 59.36 ms 948,423 | 81.11 ms | 1.86 ms | 82.97 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 | 13.76 ms ( 1.0x) | 2.91 ms ( 1.8x) | 2.62 ms ( 1.2x) 2x | 19,996 | 14.55 ms ( 1.0x) | 2.33 ms ( 1.4x) | 2.13 ms ( 0.9x) 5x | 49,871 | 35.29 ms ( 2.5x) | 5.55 ms ( 3.4x) | 4.18 ms ( 1.8x) 10x | 97,643 | 80.63 ms ( 5.6x) | 8.20 ms ( 5.1x) | 12.16 ms ( 5.4x) 20x | 196,569 | 123.19 ms ( 8.6x) | 10.37 ms ( 6.4x) | 7.62 ms ( 3.4x) 50x | 495,995 | 313.24 ms (21.8x) | 38.46 ms (23.7x) | 41.04 ms (18.1x) 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 | 203.9 µs | 5 | 651.1 µs 10,000 | 5 | 1.38 ms | 5 | 1.68 ms 97,643 | 5 | 14.15 ms | 5 | 6.00 ms 495,995 | 5 | 47.01 ms | 5 | 25.00 ms 944,282 | 5 | 107.98 ms | 5 | 68.46 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 | 15.11 ms | 3.18 ms 2 | 11.52 ms | 20.91 ms 3 | 24.35 ms | 16.59 ms 5 | 27.60 ms | 27.48 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 3.94 ms (baseline: 6.45 ms, -39.0%) ✓ sparkline.movingAvg.100: 4.79 ms (baseline: 8.27 ms, -42.1%) ✓ sparkline.rdp.100: 1.85 ms (baseline: 4.45 ms, -58.3%) ⚠️ sparkline.none.1000: 6.93 ms (baseline: 2.86 ms, +142.2%) ⚠️ sparkline.movingAvg.1000: 6.46 ms (baseline: 1.31 ms, +392.0%) ⚠️ sparkline.rdp.1000: 3.99 ms (baseline: 1.96 ms, +103.7%) sparkline.none.10000: 22.94 ms (baseline: 19.58 ms, +17.1%) ⚠️ sparkline.movingAvg.10000: 7.06 ms (baseline: 3.89 ms, +81.4%) ⚠️ sparkline.rdp.10000: 24.55 ms (baseline: 8.55 ms, +187.2%) ✓ sparkline.none.50000: 32.32 ms (baseline: 55.22 ms, -41.5%) ✓ sparkline.movingAvg.50000: 6.81 ms (baseline: 12.01 ms, -43.3%) ⚠️ sparkline.rdp.50000: 56.79 ms (baseline: 32.03 ms, +77.3%) sparkline.none.100000: 87.69 ms (baseline: 85.94 ms, +2.0%) ✓ sparkline.movingAvg.100000: 5.71 ms (baseline: 7.90 ms, -27.8%) ✓ sparkline.rdp.100000: 4.39 ms (baseline: 12.22 ms, -64.1%) sparkline.none.500000: 397.46 ms (baseline: 391.31 ms, +1.6%) ⚠️ sparkline.movingAvg.500000: 60.00 ms (baseline: 36.99 ms, +62.2%) ✓ sparkline.rdp.500000: 43.05 ms (baseline: 103.95 ms, -58.6%) sparkline.none.948423: 650.17 ms (baseline: 706.94 ms, -8.0%) ✓ sparkline.movingAvg.948423: 118.34 ms (baseline: 202.77 ms, -41.6%) ⚠️ sparkline.rdp.948423: 74.99 ms (baseline: 56.98 ms, +31.6%) windrose.aggregation.1000: 420.5 µs (baseline: 421.4 µs, -0.2%) ⚠️ windrose.draw.1000: 2.44 ms (baseline: 949.7 µs, +157.3%) windrose.aggregation.10000: 1.45 ms (baseline: 1.55 ms, -6.4%) ⚠️ windrose.draw.10000: 2.59 ms (baseline: 798.5 µs, +224.6%) ⚠️ windrose.aggregation.50000: 17.71 ms (baseline: 7.57 ms, +133.9%) ⚠️ windrose.draw.50000: 1.49 ms (baseline: 1.08 ms, +37.1%) ✓ windrose.aggregation.100000: 8.84 ms (baseline: 32.46 ms, -72.8%) ⚠️ windrose.draw.100000: 2.39 ms (baseline: 1.83 ms, +31.1%) ⚠️ windrose.aggregation.500000: 58.76 ms (baseline: 21.34 ms, +175.4%) ✓ windrose.draw.500000: 597.3 µs (baseline: 833.9 µs, -28.4%) windrose.aggregation.948423: 81.11 ms (baseline: 70.05 ms, +15.8%) ✓ windrose.draw.948423: 1.86 ms (baseline: 2.35 ms, -20.8%) ⚠️ scaling.none.1x: 13.76 ms (baseline: 9.20 ms, +49.6%) ✓ scaling.movingAvg.1x: 2.91 ms (baseline: 3.92 ms, -25.9%) ⚠️ scaling.rdp.1x: 2.62 ms (baseline: 637.7 µs, +311.6%) ✓ scaling.none.2x: 14.55 ms (baseline: 31.33 ms, -53.6%) ✓ scaling.movingAvg.2x: 2.33 ms (baseline: 2.91 ms, -19.8%) ⚠️ scaling.rdp.2x: 2.13 ms (baseline: 923.3 µs, +130.4%) ⚠️ scaling.none.5x: 35.29 ms (baseline: 24.49 ms, +44.1%) ⚠️ scaling.movingAvg.5x: 5.55 ms (baseline: 2.30 ms, +140.9%) ⚠️ scaling.rdp.5x: 4.18 ms (baseline: 3.48 ms, +20.1%) ⚠️ scaling.none.10x: 80.63 ms (baseline: 56.43 ms, +42.9%) scaling.movingAvg.10x: 8.20 ms (baseline: 7.02 ms, +16.9%) ⚠️ scaling.rdp.10x: 12.16 ms (baseline: 5.00 ms, +143.5%) ✓ scaling.none.20x: 123.19 ms (baseline: 150.20 ms, -18.0%) ✓ scaling.movingAvg.20x: 10.37 ms (baseline: 12.64 ms, -18.0%) ✓ scaling.rdp.20x: 7.62 ms (baseline: 14.11 ms, -46.0%) scaling.none.50x: 313.24 ms (baseline: 313.82 ms, -0.2%) scaling.movingAvg.50x: 38.46 ms (baseline: 35.37 ms, +8.7%) ⚠️ scaling.rdp.50x: 41.04 ms (baseline: 20.01 ms, +105.1%) ⚠️ multiseries.movingAvg.1series: 15.11 ms (baseline: 5.54 ms, +172.7%) ✓ multiseries.rdp.1series: 3.18 ms (baseline: 5.70 ms, -44.3%) ✓ multiseries.movingAvg.2series: 11.52 ms (baseline: 12.87 ms, -10.5%) ✓ multiseries.rdp.2series: 20.91 ms (baseline: 32.76 ms, -36.2%) ⚠️ multiseries.movingAvg.3series: 24.35 ms (baseline: 15.75 ms, +54.6%) ✓ multiseries.rdp.3series: 16.59 ms (baseline: 23.30 ms, -28.8%) multiseries.movingAvg.5series: 27.60 ms (baseline: 28.03 ms, -1.5%) ✓ multiseries.rdp.5series: 27.48 ms (baseline: 33.12 ms, -17.0%) 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: 43.84 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: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.025 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: 21.03 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 24, 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-1.1.1-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:15 min [INFO] Finished at: 2026-07-20T22:30:51Z [INFO] ------------------------------------------------------------------------