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 0ac9d5f Upped versions and moved to browserless-test $ 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 98, 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:2.22.0:set-property (default-cli) @ svg-visualizations --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.864 s [INFO] Finished at: 2026-09-21T00:03:32Z [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 98, 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:2.22.0: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: 2.265 s [INFO] Finished at: 2026-09-21T00:03:38Z [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 98, 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 6.8.0-139-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-09-20T22:56:04.357342002Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 00:04:20.442 [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 | 2.55 ms | 3.26 ms | 2.15 ms 1,000 | 4.54 ms | 2.42 ms | 2.15 ms 10,000 | 11.20 ms | 2.75 ms | 4.79 ms 49,871 | 29.94 ms | 3.50 ms | 20.81 ms 97,643 | 40.84 ms | 5.36 ms | 46.29 ms 495,995 | 289.65 ms | 49.46 ms | 47.67 ms 944,282 | 485.23 ms | 112.69 ms | 89.04 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 | 443.2 µs | 2.12 ms | 2.56 ms 10,000 | 4.36 ms | 2.12 ms | 6.48 ms 50,000 | 18.21 ms | 1.23 ms | 19.44 ms 100,000 | 3.88 ms | 601.4 µs | 4.48 ms 500,000 | 18.47 ms | 542.9 µs | 19.02 ms 948,423 | 58.87 ms | 1.49 ms | 60.36 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 | 3.68 ms ( 0.6x) | 632.3 µs ( 0.5x) | 597.9 µs ( 1.0x) 2x | 19,996 | 6.98 ms ( 1.2x) | 1.34 ms ( 1.0x) | 1.01 ms ( 1.6x) 5x | 49,871 | 18.82 ms ( 3.2x) | 3.36 ms ( 2.6x) | 3.91 ms ( 6.4x) 10x | 97,643 | 36.17 ms ( 6.2x) | 5.40 ms ( 4.2x) | 5.60 ms ( 9.1x) 20x | 196,569 | 66.14 ms (11.4x) | 9.58 ms ( 7.5x) | 11.12 ms (18.0x) 50x | 495,995 | 178.07 ms (30.7x) | 38.75 ms (30.3x) | 52.84 ms (85.7x) 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 | 177.4 µs | 5 | 228.7 µs 10,000 | 5 | 727.6 µs | 5 | 592.4 µs 97,643 | 5 | 5.06 ms | 5 | 4.84 ms 495,995 | 5 | 37.57 ms | 5 | 53.57 ms 944,282 | 5 | 92.38 ms | 5 | 74.15 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 | 6.86 ms | 6.20 ms 2 | 9.17 ms | 11.20 ms 3 | 13.16 ms | 21.14 ms 5 | 27.37 ms | 36.90 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 2.55 ms (baseline: 1.86 ms, +37.1%) ✓ sparkline.movingAvg.100: 3.26 ms (baseline: 3.90 ms, -16.3%) ✓ sparkline.rdp.100: 2.15 ms (baseline: 2.54 ms, -15.4%) ✓ sparkline.none.1000: 4.54 ms (baseline: 8.32 ms, -45.4%) ✓ sparkline.movingAvg.1000: 2.42 ms (baseline: 4.27 ms, -43.3%) ✓ sparkline.rdp.1000: 2.15 ms (baseline: 3.87 ms, -44.5%) ✓ sparkline.none.10000: 11.20 ms (baseline: 27.04 ms, -58.6%) ✓ sparkline.movingAvg.10000: 2.75 ms (baseline: 8.37 ms, -67.1%) ✓ sparkline.rdp.10000: 4.79 ms (baseline: 16.49 ms, -71.0%) ✓ sparkline.none.50000: 29.94 ms (baseline: 34.29 ms, -12.7%) sparkline.movingAvg.50000: 3.50 ms (baseline: 3.12 ms, +12.5%) ⚠️ sparkline.rdp.50000: 20.81 ms (baseline: 3.91 ms, +432.7%) ✓ sparkline.none.100000: 40.84 ms (baseline: 56.68 ms, -27.9%) ✓ sparkline.movingAvg.100000: 5.36 ms (baseline: 9.14 ms, -41.3%) ⚠️ sparkline.rdp.100000: 46.29 ms (baseline: 9.22 ms, +401.9%) sparkline.none.500000: 289.65 ms (baseline: 304.91 ms, -5.0%) sparkline.movingAvg.500000: 49.46 ms (baseline: 52.53 ms, -5.8%) sparkline.rdp.500000: 47.67 ms (baseline: 49.94 ms, -4.5%) sparkline.none.948423: 485.23 ms (baseline: 469.97 ms, +3.2%) ✓ sparkline.movingAvg.948423: 112.69 ms (baseline: 165.51 ms, -31.9%) ✓ sparkline.rdp.948423: 89.04 ms (baseline: 130.49 ms, -31.8%) windrose.aggregation.1000: 443.2 µs (baseline: 440.7 µs, +0.6%) ⚠️ windrose.draw.1000: 2.12 ms (baseline: 891.0 µs, +137.6%) ✓ windrose.aggregation.10000: 4.36 ms (baseline: 5.56 ms, -21.6%) windrose.draw.10000: 2.12 ms (baseline: 1.98 ms, +7.3%) ✓ windrose.aggregation.50000: 18.21 ms (baseline: 40.13 ms, -54.6%) windrose.draw.50000: 1.23 ms (baseline: 1.08 ms, +14.2%) ✓ windrose.aggregation.100000: 3.88 ms (baseline: 7.61 ms, -49.0%) ✓ windrose.draw.100000: 601.4 µs (baseline: 2.59 ms, -76.7%) ✓ windrose.aggregation.500000: 18.47 ms (baseline: 70.10 ms, -73.6%) ✓ windrose.draw.500000: 542.9 µs (baseline: 3.34 ms, -83.7%) ✓ windrose.aggregation.948423: 58.87 ms (baseline: 107.88 ms, -45.4%) windrose.draw.948423: 1.49 ms (baseline: 1.50 ms, -0.6%) ✓ scaling.none.1x: 3.68 ms (baseline: 7.74 ms, -52.5%) scaling.movingAvg.1x: 632.3 µs (baseline: 558.4 µs, +13.2%) ✓ scaling.rdp.1x: 597.9 µs (baseline: 1.92 ms, -68.9%) ✓ scaling.none.2x: 6.98 ms (baseline: 20.90 ms, -66.6%) ✓ scaling.movingAvg.2x: 1.34 ms (baseline: 5.67 ms, -76.4%) ✓ scaling.rdp.2x: 1.01 ms (baseline: 2.42 ms, -58.2%) ✓ scaling.none.5x: 18.82 ms (baseline: 38.79 ms, -51.5%) ✓ scaling.movingAvg.5x: 3.36 ms (baseline: 6.55 ms, -48.7%) ✓ scaling.rdp.5x: 3.91 ms (baseline: 5.91 ms, -33.7%) ✓ scaling.none.10x: 36.17 ms (baseline: 50.06 ms, -27.7%) scaling.movingAvg.10x: 5.40 ms (baseline: 5.19 ms, +4.0%) ✓ scaling.rdp.10x: 5.60 ms (baseline: 7.03 ms, -20.4%) ✓ scaling.none.20x: 66.14 ms (baseline: 80.28 ms, -17.6%) scaling.movingAvg.20x: 9.58 ms (baseline: 9.74 ms, -1.7%) scaling.rdp.20x: 11.12 ms (baseline: 12.08 ms, -7.9%) ✓ scaling.none.50x: 178.07 ms (baseline: 279.69 ms, -36.3%) ✓ scaling.movingAvg.50x: 38.75 ms (baseline: 48.82 ms, -20.6%) ⚠️ scaling.rdp.50x: 52.84 ms (baseline: 36.82 ms, +43.5%) ✓ multiseries.movingAvg.1series: 6.86 ms (baseline: 8.03 ms, -14.5%) multiseries.rdp.1series: 6.20 ms (baseline: 5.97 ms, +3.8%) ✓ multiseries.movingAvg.2series: 9.17 ms (baseline: 13.73 ms, -33.2%) ✓ multiseries.rdp.2series: 11.20 ms (baseline: 15.92 ms, -29.6%) ✓ multiseries.movingAvg.3series: 13.16 ms (baseline: 29.29 ms, -55.1%) ✓ multiseries.rdp.3series: 21.14 ms (baseline: 29.50 ms, -28.3%) multiseries.movingAvg.5series: 27.37 ms (baseline: 29.23 ms, -6.4%) ✓ multiseries.rdp.5series: 36.90 ms (baseline: 55.84 ms, -33.9%) 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: 38.57 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: 0.028 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: 15.09 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: 01:04 min [INFO] Finished at: 2026-09-21T00:04:57Z [INFO] ------------------------------------------------------------------------