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=25.2-SNAPSHOT -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml java 25-tem is already installed. Using java version 25-tem in this shell. [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: 2.884 s [INFO] Finished at: 2026-08-06T15:21:41Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2-SNAPSHOT -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml java 25-tem is already installed. Using java version 25-tem in this shell. [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 -> 25.2-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.307 s [INFO] Finished at: 2026-08-06T15:21:47Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml -DskipPerformanceValidation=true java 25-tem is already installed. Using java version 25-tem in this shell. [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: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-08-06T13:50:42.883754912Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 15:22:28.315 [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 | 1.19 ms | 7.12 ms | 6.97 ms 1,000 | 6.95 ms | 2.43 ms | 3.18 ms 10,000 | 21.21 ms | 2.76 ms | 3.62 ms 49,871 | 21.06 ms | 4.35 ms | 14.25 ms 97,643 | 46.99 ms | 5.44 ms | 6.23 ms 495,995 | 268.22 ms | 51.80 ms | 27.30 ms 944,282 | 461.05 ms | 123.34 ms | 74.27 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 | 486.0 µs | 1.88 ms | 2.37 ms 10,000 | 1.60 ms | 3.79 ms | 5.39 ms 50,000 | 26.27 ms | 769.3 µs | 27.04 ms 100,000 | 4.36 ms | 549.3 µs | 4.90 ms 500,000 | 18.26 ms | 696.9 µs | 18.96 ms 948,423 | 50.90 ms | 562.1 µs | 51.47 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 | 5.05 ms ( 0.5x) | 589.7 µs ( 0.9x) | 642.5 µs ( 0.9x) 2x | 19,996 | 18.87 ms ( 1.9x) | 6.40 ms ( 9.8x) | 3.26 ms ( 4.4x) 5x | 49,871 | 43.60 ms ( 4.3x) | 3.76 ms ( 5.8x) | 4.11 ms ( 5.5x) 10x | 97,643 | 33.72 ms ( 3.4x) | 4.13 ms ( 6.3x) | 10.49 ms (14.1x) 20x | 196,569 | 82.61 ms ( 8.2x) | 9.39 ms (14.4x) | 10.48 ms (14.0x) 50x | 495,995 | 243.12 ms (24.2x) | 46.84 ms (71.7x) | 40.44 ms (54.2x) 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 | 140.7 µs | 5 | 200.6 µs 10,000 | 5 | 1.09 ms | 5 | 1.19 ms 97,643 | 5 | 5.86 ms | 5 | 6.02 ms 495,995 | 5 | 57.66 ms | 5 | 29.65 ms 944,282 | 5 | 120.88 ms | 5 | 76.49 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 | 5.27 ms | 4.18 ms 2 | 14.50 ms | 25.26 ms 3 | 21.41 ms | 26.15 ms 5 | 25.21 ms | 42.09 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 1.19 ms (baseline: 1.19 ms, +0.2%) ⚠️ sparkline.movingAvg.100: 7.12 ms (baseline: 2.04 ms, +249.4%) ⚠️ sparkline.rdp.100: 6.97 ms (baseline: 1.02 ms, +580.4%) ⚠️ sparkline.none.1000: 6.95 ms (baseline: 3.12 ms, +122.6%) ⚠️ sparkline.movingAvg.1000: 2.43 ms (baseline: 1.17 ms, +107.8%) ⚠️ sparkline.rdp.1000: 3.18 ms (baseline: 2.13 ms, +49.1%) ⚠️ sparkline.none.10000: 21.21 ms (baseline: 9.07 ms, +133.9%) sparkline.movingAvg.10000: 2.76 ms (baseline: 2.50 ms, +10.4%) ✓ sparkline.rdp.10000: 3.62 ms (baseline: 11.32 ms, -68.1%) sparkline.none.50000: 21.06 ms (baseline: 19.86 ms, +6.1%) ⚠️ sparkline.movingAvg.50000: 4.35 ms (baseline: 3.52 ms, +23.7%) ⚠️ sparkline.rdp.50000: 14.25 ms (baseline: 9.69 ms, +47.1%) sparkline.none.100000: 46.99 ms (baseline: 43.89 ms, +7.1%) sparkline.movingAvg.100000: 5.44 ms (baseline: 4.69 ms, +16.0%) sparkline.rdp.100000: 6.23 ms (baseline: 5.72 ms, +9.0%) ⚠️ sparkline.none.500000: 268.22 ms (baseline: 189.36 ms, +41.6%) ⚠️ sparkline.movingAvg.500000: 51.80 ms (baseline: 29.98 ms, +72.8%) sparkline.rdp.500000: 27.30 ms (baseline: 29.35 ms, -7.0%) ⚠️ sparkline.none.948423: 461.05 ms (baseline: 334.93 ms, +37.7%) ⚠️ sparkline.movingAvg.948423: 123.34 ms (baseline: 90.78 ms, +35.9%) ⚠️ sparkline.rdp.948423: 74.27 ms (baseline: 53.46 ms, +38.9%) ✓ windrose.aggregation.1000: 486.0 µs (baseline: 554.4 µs, -12.3%) ⚠️ windrose.draw.1000: 1.88 ms (baseline: 1.27 ms, +48.1%) ✓ windrose.aggregation.10000: 1.60 ms (baseline: 4.15 ms, -61.3%) ⚠️ windrose.draw.10000: 3.79 ms (baseline: 922.9 µs, +310.3%) ⚠️ windrose.aggregation.50000: 26.27 ms (baseline: 17.99 ms, +46.0%) windrose.draw.50000: 769.3 µs (baseline: 765.0 µs, +0.6%) windrose.aggregation.100000: 4.36 ms (baseline: 4.09 ms, +6.5%) ✓ windrose.draw.100000: 549.3 µs (baseline: 793.0 µs, -30.7%) windrose.aggregation.500000: 18.26 ms (baseline: 18.59 ms, -1.8%) ✓ windrose.draw.500000: 696.9 µs (baseline: 913.5 µs, -23.7%) ⚠️ windrose.aggregation.948423: 50.90 ms (baseline: 34.95 ms, +45.6%) ✓ windrose.draw.948423: 562.1 µs (baseline: 931.4 µs, -39.6%) ⚠️ scaling.none.1x: 5.05 ms (baseline: 3.49 ms, +44.6%) scaling.movingAvg.1x: 589.7 µs (baseline: 584.8 µs, +0.8%) scaling.rdp.1x: 642.5 µs (baseline: 610.6 µs, +5.2%) ⚠️ scaling.none.2x: 18.87 ms (baseline: 7.11 ms, +165.3%) ⚠️ scaling.movingAvg.2x: 6.40 ms (baseline: 972.9 µs, +557.8%) ⚠️ scaling.rdp.2x: 3.26 ms (baseline: 937.7 µs, +247.5%) ⚠️ scaling.none.5x: 43.60 ms (baseline: 16.91 ms, +157.8%) ⚠️ scaling.movingAvg.5x: 3.76 ms (baseline: 2.44 ms, +54.2%) ⚠️ scaling.rdp.5x: 4.11 ms (baseline: 2.34 ms, +75.5%) scaling.none.10x: 33.72 ms (baseline: 36.11 ms, -6.6%) scaling.movingAvg.10x: 4.13 ms (baseline: 4.24 ms, -2.5%) ⚠️ scaling.rdp.10x: 10.49 ms (baseline: 4.38 ms, +139.3%) ⚠️ scaling.none.20x: 82.61 ms (baseline: 67.57 ms, +22.3%) scaling.movingAvg.20x: 9.39 ms (baseline: 8.15 ms, +15.2%) scaling.rdp.20x: 10.48 ms (baseline: 10.04 ms, +4.4%) ⚠️ scaling.none.50x: 243.12 ms (baseline: 164.81 ms, +47.5%) ⚠️ scaling.movingAvg.50x: 46.84 ms (baseline: 29.29 ms, +59.9%) ⚠️ scaling.rdp.50x: 40.44 ms (baseline: 32.84 ms, +23.1%) ⚠️ multiseries.movingAvg.1series: 5.27 ms (baseline: 4.33 ms, +21.7%) multiseries.rdp.1series: 4.18 ms (baseline: 4.03 ms, +3.6%) ⚠️ multiseries.movingAvg.2series: 14.50 ms (baseline: 8.54 ms, +69.8%) ⚠️ multiseries.rdp.2series: 25.26 ms (baseline: 14.60 ms, +73.1%) ⚠️ multiseries.movingAvg.3series: 21.41 ms (baseline: 14.79 ms, +44.8%) ⚠️ multiseries.rdp.3series: 26.15 ms (baseline: 17.92 ms, +45.9%) multiseries.movingAvg.5series: 25.21 ms (baseline: 24.54 ms, +2.7%) ⚠️ multiseries.rdp.5series: 42.09 ms (baseline: 33.81 ms, +24.5%) 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: 43.60 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: 0.028 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: 22.31 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: 01:17 min [INFO] Finished at: 2026-08-06T15:23:15Z [INFO] ------------------------------------------------------------------------