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=25.2.6 -DgenerateBackupPoms=false -B --no-transfer-progress 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:2.21.0:set-property (default-cli) @ svg-visualizations --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.850 s [INFO] Finished at: 2026-08-31T12:08:18Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2.6 -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress 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:2.21.0: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 -> 25.2.6 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.822 s [INFO] Finished at: 2026-08-31T12:08:25Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress -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 6.8.0-138-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-08-31T09:14:00.162340368Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 12:09:05.699 [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 | 4.04 ms | 6.40 ms | 4.21 ms 1,000 | 13.27 ms | 1.27 ms | 1.39 ms 10,000 | 30.37 ms | 3.09 ms | 12.59 ms 49,871 | 51.96 ms | 5.56 ms | 43.73 ms 97,643 | 69.41 ms | 10.91 ms | 11.16 ms 495,995 | 303.56 ms | 76.80 ms | 59.67 ms 944,282 | 539.20 ms | 164.86 ms | 91.91 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 | 455.5 µs | 1.83 ms | 2.28 ms 10,000 | 1.93 ms | 630.1 µs | 2.56 ms 50,000 | 15.72 ms | 2.53 ms | 18.25 ms 100,000 | 10.25 ms | 1.98 ms | 12.23 ms 500,000 | 67.37 ms | 2.38 ms | 69.76 ms 948,423 | 92.97 ms | 1.45 ms | 94.42 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 | 17.58 ms ( 0.7x) | 2.14 ms ( 2.0x) | 1.29 ms ( 1.5x) 2x | 19,996 | 9.06 ms ( 0.4x) | 1.82 ms ( 1.7x) | 1.03 ms ( 1.2x) 5x | 49,871 | 24.79 ms ( 1.0x) | 3.91 ms ( 3.6x) | 7.03 ms ( 8.4x) 10x | 97,643 | 47.75 ms ( 1.9x) | 10.70 ms ( 9.9x) | 4.30 ms ( 5.1x) 20x | 196,569 | 92.87 ms ( 3.7x) | 10.99 ms (10.2x) | 9.82 ms (11.7x) 50x | 495,995 | 222.01 ms ( 8.9x) | 69.64 ms (64.4x) | 67.44 ms (80.2x) 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 | 449.2 µs | 5 | 545.1 µs 10,000 | 5 | 941.3 µs | 5 | 1.75 ms 97,643 | 5 | 6.08 ms | 5 | 10.83 ms 495,995 | 5 | 109.33 ms | 5 | 23.36 ms 944,282 | 5 | 172.66 ms | 5 | 113.55 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 | 7.87 ms | 6.25 ms 2 | 24.59 ms | 22.54 ms 3 | 27.00 ms | 25.34 ms 5 | 43.00 ms | 73.45 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 4.04 ms (baseline: 1.33 ms, +203.9%) ⚠️ sparkline.movingAvg.100: 6.40 ms (baseline: 1.36 ms, +369.6%) ⚠️ sparkline.rdp.100: 4.21 ms (baseline: 958.2 µs, +339.0%) ⚠️ sparkline.none.1000: 13.27 ms (baseline: 2.84 ms, +367.1%) sparkline.movingAvg.1000: 1.27 ms (baseline: 1.18 ms, +8.3%) sparkline.rdp.1000: 1.39 ms (baseline: 1.39 ms, +0.5%) ⚠️ sparkline.none.10000: 30.37 ms (baseline: 10.05 ms, +202.1%) sparkline.movingAvg.10000: 3.09 ms (baseline: 2.77 ms, +11.6%) ⚠️ sparkline.rdp.10000: 12.59 ms (baseline: 3.77 ms, +233.9%) ⚠️ sparkline.none.50000: 51.96 ms (baseline: 19.28 ms, +169.5%) ⚠️ sparkline.movingAvg.50000: 5.56 ms (baseline: 2.90 ms, +91.7%) ⚠️ sparkline.rdp.50000: 43.73 ms (baseline: 16.50 ms, +165.1%) ⚠️ sparkline.none.100000: 69.41 ms (baseline: 34.62 ms, +100.5%) ⚠️ sparkline.movingAvg.100000: 10.91 ms (baseline: 5.31 ms, +105.5%) ✓ sparkline.rdp.100000: 11.16 ms (baseline: 15.74 ms, -29.1%) ⚠️ sparkline.none.500000: 303.56 ms (baseline: 169.14 ms, +79.5%) ⚠️ sparkline.movingAvg.500000: 76.80 ms (baseline: 28.82 ms, +166.5%) ⚠️ sparkline.rdp.500000: 59.67 ms (baseline: 27.39 ms, +117.8%) ⚠️ sparkline.none.948423: 539.20 ms (baseline: 336.47 ms, +60.3%) ⚠️ sparkline.movingAvg.948423: 164.86 ms (baseline: 90.16 ms, +82.9%) ✓ sparkline.rdp.948423: 91.91 ms (baseline: 111.12 ms, -17.3%) windrose.aggregation.1000: 455.5 µs (baseline: 428.6 µs, +6.3%) ⚠️ windrose.draw.1000: 1.83 ms (baseline: 614.3 µs, +197.2%) ✓ windrose.aggregation.10000: 1.93 ms (baseline: 4.73 ms, -59.3%) ✓ windrose.draw.10000: 630.1 µs (baseline: 1.38 ms, -54.4%) ⚠️ windrose.aggregation.50000: 15.72 ms (baseline: 8.62 ms, +82.4%) ⚠️ windrose.draw.50000: 2.53 ms (baseline: 704.8 µs, +259.3%) ⚠️ windrose.aggregation.100000: 10.25 ms (baseline: 4.26 ms, +140.5%) ⚠️ windrose.draw.100000: 1.98 ms (baseline: 711.2 µs, +178.2%) ⚠️ windrose.aggregation.500000: 67.37 ms (baseline: 19.70 ms, +242.1%) ⚠️ windrose.draw.500000: 2.38 ms (baseline: 630.4 µs, +278.2%) ⚠️ windrose.aggregation.948423: 92.97 ms (baseline: 38.41 ms, +142.0%) ⚠️ windrose.draw.948423: 1.45 ms (baseline: 1.01 ms, +43.3%) ⚠️ scaling.none.1x: 17.58 ms (baseline: 7.53 ms, +133.5%) scaling.movingAvg.1x: 2.14 ms (baseline: 2.07 ms, +3.0%) ⚠️ scaling.rdp.1x: 1.29 ms (baseline: 680.6 µs, +89.3%) scaling.none.2x: 9.06 ms (baseline: 7.94 ms, +14.2%) ⚠️ scaling.movingAvg.2x: 1.82 ms (baseline: 1.27 ms, +42.9%) scaling.rdp.2x: 1.03 ms (baseline: 1.13 ms, -9.1%) scaling.none.5x: 24.79 ms (baseline: 22.55 ms, +9.9%) ⚠️ scaling.movingAvg.5x: 3.91 ms (baseline: 2.92 ms, +34.0%) ⚠️ scaling.rdp.5x: 7.03 ms (baseline: 2.46 ms, +185.8%) ⚠️ scaling.none.10x: 47.75 ms (baseline: 34.00 ms, +40.4%) ⚠️ scaling.movingAvg.10x: 10.70 ms (baseline: 5.33 ms, +100.6%) ✓ scaling.rdp.10x: 4.30 ms (baseline: 6.65 ms, -35.3%) ⚠️ scaling.none.20x: 92.87 ms (baseline: 69.47 ms, +33.7%) ⚠️ scaling.movingAvg.20x: 10.99 ms (baseline: 8.39 ms, +31.0%) ✓ scaling.rdp.20x: 9.82 ms (baseline: 12.66 ms, -22.4%) scaling.none.50x: 222.01 ms (baseline: 190.52 ms, +16.5%) ⚠️ scaling.movingAvg.50x: 69.64 ms (baseline: 32.34 ms, +115.3%) ⚠️ scaling.rdp.50x: 67.44 ms (baseline: 53.62 ms, +25.8%) ✓ multiseries.movingAvg.1series: 7.87 ms (baseline: 9.06 ms, -13.1%) ⚠️ multiseries.rdp.1series: 6.25 ms (baseline: 5.20 ms, +20.2%) ⚠️ multiseries.movingAvg.2series: 24.59 ms (baseline: 8.30 ms, +196.3%) ⚠️ multiseries.rdp.2series: 22.54 ms (baseline: 12.42 ms, +81.5%) ⚠️ multiseries.movingAvg.3series: 27.00 ms (baseline: 12.23 ms, +120.9%) ⚠️ multiseries.rdp.3series: 25.34 ms (baseline: 19.58 ms, +29.4%) ⚠️ multiseries.movingAvg.5series: 43.00 ms (baseline: 21.53 ms, +99.8%) ⚠️ multiseries.rdp.5series: 73.45 ms (baseline: 38.08 ms, +92.9%) 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: 45.79 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: 0.027 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: 0.036 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: 21.07 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: 01:18 min [INFO] Finished at: 2026-08-31T12:09:55Z [INFO] ------------------------------------------------------------------------