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=25.3-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: 1.762 s [INFO] Finished at: 2026-08-07T10:00:18Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.3-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 -> 25.3-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1.483 s [INFO] Finished at: 2026-08-07T10:00:22Z [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: 2026-08-07T08:23:19.212437576Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 10:00:46.788 [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 | 1.25 ms | 1.34 ms | 925.8 µs 1,000 | 2.18 ms | 1.22 ms | 1.35 ms 10,000 | 10.51 ms | 2.49 ms | 7.67 ms 49,871 | 23.50 ms | 2.90 ms | 3.58 ms 97,643 | 38.70 ms | 5.14 ms | 7.92 ms 495,995 | 199.34 ms | 35.78 ms | 33.77 ms 944,282 | 351.98 ms | 88.73 ms | 62.29 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 | 466.6 µs | 1.26 ms | 1.73 ms 10,000 | 4.69 ms | 695.5 µs | 5.39 ms 50,000 | 10.14 ms | 820.3 µs | 10.96 ms 100,000 | 6.20 ms | 596.3 µs | 6.79 ms 500,000 | 19.11 ms | 599.3 µs | 19.71 ms 948,423 | 37.63 ms | 622.5 µs | 38.25 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 | 3.63 ms ( 0.7x) | 1.26 ms ( 1.6x) | 1.88 ms ( 3.1x) 2x | 19,996 | 7.45 ms ( 1.4x) | 3.34 ms ( 4.2x) | 2.53 ms ( 4.2x) 5x | 49,871 | 16.02 ms ( 3.1x) | 2.55 ms ( 3.2x) | 2.34 ms ( 3.9x) 10x | 97,643 | 32.71 ms ( 6.3x) | 5.39 ms ( 6.8x) | 4.27 ms ( 7.1x) 20x | 196,569 | 68.51 ms (13.2x) | 10.84 ms (13.7x) | 9.69 ms (16.1x) 50x | 495,995 | 189.87 ms (36.6x) | 27.13 ms (34.3x) | 23.51 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 | 132.2 µs | 5 | 198.0 µs 10,000 | 5 | 584.8 µs | 5 | 578.6 µs 97,643 | 5 | 4.71 ms | 5 | 4.19 ms 495,995 | 5 | 45.44 ms | 5 | 24.66 ms 944,282 | 5 | 96.59 ms | 5 | 52.71 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 | 4.77 ms | 4.37 ms 2 | 8.70 ms | 11.44 ms 3 | 13.07 ms | 21.91 ms 5 | 19.64 ms | 32.80 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.25 ms (baseline: 3.15 ms, -60.4%) ✓ sparkline.movingAvg.100: 1.34 ms (baseline: 4.41 ms, -69.6%) ✓ sparkline.rdp.100: 925.8 µs (baseline: 1.32 ms, -29.8%) ✓ sparkline.none.1000: 2.18 ms (baseline: 2.56 ms, -14.9%) ✓ sparkline.movingAvg.1000: 1.22 ms (baseline: 1.92 ms, -36.6%) ✓ sparkline.rdp.1000: 1.35 ms (baseline: 1.73 ms, -21.6%) ✓ sparkline.none.10000: 10.51 ms (baseline: 16.25 ms, -35.4%) ⚠️ sparkline.movingAvg.10000: 2.49 ms (baseline: 1.71 ms, +45.6%) ✓ sparkline.rdp.10000: 7.67 ms (baseline: 15.99 ms, -52.0%) sparkline.none.50000: 23.50 ms (baseline: 21.74 ms, +8.1%) ✓ sparkline.movingAvg.50000: 2.90 ms (baseline: 3.32 ms, -12.8%) ✓ sparkline.rdp.50000: 3.58 ms (baseline: 22.50 ms, -84.1%) ✓ sparkline.none.100000: 38.70 ms (baseline: 69.12 ms, -44.0%) ✓ sparkline.movingAvg.100000: 5.14 ms (baseline: 7.80 ms, -34.0%) ⚠️ sparkline.rdp.100000: 7.92 ms (baseline: 4.85 ms, +63.2%) ✓ sparkline.none.500000: 199.34 ms (baseline: 230.51 ms, -13.5%) ✓ sparkline.movingAvg.500000: 35.78 ms (baseline: 44.11 ms, -18.9%) ⚠️ sparkline.rdp.500000: 33.77 ms (baseline: 25.82 ms, +30.8%) ✓ sparkline.none.948423: 351.98 ms (baseline: 510.73 ms, -31.1%) ✓ sparkline.movingAvg.948423: 88.73 ms (baseline: 125.86 ms, -29.5%) ✓ sparkline.rdp.948423: 62.29 ms (baseline: 116.73 ms, -46.6%) ✓ windrose.aggregation.1000: 466.6 µs (baseline: 1.17 ms, -60.2%) ✓ windrose.draw.1000: 1.26 ms (baseline: 2.47 ms, -48.8%) ⚠️ windrose.aggregation.10000: 4.69 ms (baseline: 3.18 ms, +47.4%) windrose.draw.10000: 695.5 µs (baseline: 759.5 µs, -8.4%) ✓ windrose.aggregation.50000: 10.14 ms (baseline: 36.99 ms, -72.6%) windrose.draw.50000: 820.3 µs (baseline: 880.4 µs, -6.8%) ⚠️ windrose.aggregation.100000: 6.20 ms (baseline: 3.78 ms, +63.8%) ✓ windrose.draw.100000: 596.3 µs (baseline: 1.11 ms, -46.1%) ✓ windrose.aggregation.500000: 19.11 ms (baseline: 63.05 ms, -69.7%) ✓ windrose.draw.500000: 599.3 µs (baseline: 1.22 ms, -50.7%) ✓ windrose.aggregation.948423: 37.63 ms (baseline: 106.18 ms, -64.6%) ✓ windrose.draw.948423: 622.5 µs (baseline: 2.16 ms, -71.2%) ✓ scaling.none.1x: 3.63 ms (baseline: 12.32 ms, -70.6%) ✓ scaling.movingAvg.1x: 1.26 ms (baseline: 3.69 ms, -65.8%) scaling.rdp.1x: 1.88 ms (baseline: 1.80 ms, +4.4%) ✓ scaling.none.2x: 7.45 ms (baseline: 9.29 ms, -19.8%) scaling.movingAvg.2x: 3.34 ms (baseline: 2.91 ms, +14.9%) ✓ scaling.rdp.2x: 2.53 ms (baseline: 3.03 ms, -16.4%) ✓ scaling.none.5x: 16.02 ms (baseline: 19.15 ms, -16.3%) ✓ scaling.movingAvg.5x: 2.55 ms (baseline: 5.55 ms, -54.0%) ✓ scaling.rdp.5x: 2.34 ms (baseline: 4.15 ms, -43.7%) ✓ scaling.none.10x: 32.71 ms (baseline: 65.28 ms, -49.9%) scaling.movingAvg.10x: 5.39 ms (baseline: 5.10 ms, +5.7%) ✓ scaling.rdp.10x: 4.27 ms (baseline: 7.48 ms, -42.9%) ✓ scaling.none.20x: 68.51 ms (baseline: 128.18 ms, -46.6%) ✓ scaling.movingAvg.20x: 10.84 ms (baseline: 20.16 ms, -46.2%) scaling.rdp.20x: 9.69 ms (baseline: 10.67 ms, -9.2%) ✓ scaling.none.50x: 189.87 ms (baseline: 297.86 ms, -36.3%) ✓ scaling.movingAvg.50x: 27.13 ms (baseline: 34.73 ms, -21.9%) ✓ scaling.rdp.50x: 23.51 ms (baseline: 80.50 ms, -70.8%) ✓ multiseries.movingAvg.1series: 4.77 ms (baseline: 5.60 ms, -14.9%) ✓ multiseries.rdp.1series: 4.37 ms (baseline: 6.92 ms, -36.8%) ✓ multiseries.movingAvg.2series: 8.70 ms (baseline: 9.84 ms, -11.6%) ✓ multiseries.rdp.2series: 11.44 ms (baseline: 14.99 ms, -23.7%) ✓ multiseries.movingAvg.3series: 13.07 ms (baseline: 18.87 ms, -30.7%) ✓ multiseries.rdp.3series: 21.91 ms (baseline: 26.28 ms, -16.6%) ✓ multiseries.movingAvg.5series: 19.64 ms (baseline: 23.07 ms, -14.9%) multiseries.rdp.5series: 32.80 ms (baseline: 35.41 ms, -7.4%) 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: 28.56 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: 0.009 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: 0.012 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: 13.26 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: 46.891 s [INFO] Finished at: 2026-08-07T10:01:16Z [INFO] ------------------------------------------------------------------------