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: 2.909 s [INFO] Finished at: 2026-08-11T10:57:48Z [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: 2.379 s [INFO] Finished at: 2026-08-11T10:57:54Z [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 6.8.0-137-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-08-11T10:01:03.988806632Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 10:58:34.521 [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 | 2.77 ms | 2.00 ms | 3.57 ms 1,000 | 3.45 ms | 2.55 ms | 2.53 ms 10,000 | 23.44 ms | 4.41 ms | 14.65 ms 49,871 | 43.39 ms | 6.50 ms | 3.78 ms 97,643 | 43.23 ms | 5.26 ms | 13.93 ms 495,995 | 336.45 ms | 54.87 ms | 40.97 ms 944,282 | 564.53 ms | 156.11 ms | 100.03 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 | 485.6 µs | 3.02 ms | 3.50 ms 10,000 | 1.76 ms | 1.81 ms | 3.57 ms 50,000 | 12.74 ms | 1.20 ms | 13.94 ms 100,000 | 13.24 ms | 622.6 µs | 13.87 ms 500,000 | 94.34 ms | 10.30 ms | 104.63 ms 948,423 | 78.48 ms | 2.74 ms | 81.22 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 | 7.68 ms ( 1.2x) | 1.90 ms ( 0.6x) | 1.63 ms ( 0.9x) 2x | 19,996 | 9.27 ms ( 1.5x) | 2.00 ms ( 0.6x) | 1.09 ms ( 0.6x) 5x | 49,871 | 21.47 ms ( 3.4x) | 4.09 ms ( 1.3x) | 2.53 ms ( 1.4x) 10x | 97,643 | 66.94 ms (10.5x) | 10.22 ms ( 3.2x) | 12.32 ms ( 6.8x) 20x | 196,569 | 69.87 ms (11.0x) | 13.51 ms ( 4.2x) | 16.11 ms ( 8.9x) 50x | 495,995 | 266.00 ms (41.9x) | 46.64 ms (14.5x) | 56.50 ms (31.0x) 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 | 1.37 ms | 5 | 747.3 µs 10,000 | 5 | 743.4 µs | 5 | 561.1 µs 97,643 | 5 | 5.04 ms | 5 | 11.87 ms 495,995 | 5 | 56.39 ms | 5 | 31.05 ms 944,282 | 5 | 158.77 ms | 5 | 115.32 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 | 6.04 ms | 4.83 ms 2 | 8.53 ms | 15.55 ms 3 | 15.41 ms | 38.01 ms 5 | 33.28 ms | 35.72 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 2.77 ms (baseline: 1.19 ms, +132.6%) sparkline.movingAvg.100: 2.00 ms (baseline: 1.72 ms, +16.5%) ⚠️ sparkline.rdp.100: 3.57 ms (baseline: 1.29 ms, +175.8%) sparkline.none.1000: 3.45 ms (baseline: 3.39 ms, +1.8%) ⚠️ sparkline.movingAvg.1000: 2.55 ms (baseline: 1.25 ms, +104.5%) ⚠️ sparkline.rdp.1000: 2.53 ms (baseline: 1.94 ms, +30.5%) ⚠️ sparkline.none.10000: 23.44 ms (baseline: 14.48 ms, +61.9%) ⚠️ sparkline.movingAvg.10000: 4.41 ms (baseline: 3.18 ms, +38.8%) ⚠️ sparkline.rdp.10000: 14.65 ms (baseline: 4.86 ms, +201.3%) ⚠️ sparkline.none.50000: 43.39 ms (baseline: 27.89 ms, +55.6%) ⚠️ sparkline.movingAvg.50000: 6.50 ms (baseline: 2.80 ms, +131.7%) ✓ sparkline.rdp.50000: 3.78 ms (baseline: 27.25 ms, -86.1%) sparkline.none.100000: 43.23 ms (baseline: 41.41 ms, +4.4%) sparkline.movingAvg.100000: 5.26 ms (baseline: 5.81 ms, -9.5%) ⚠️ sparkline.rdp.100000: 13.93 ms (baseline: 9.10 ms, +53.2%) ⚠️ sparkline.none.500000: 336.45 ms (baseline: 177.77 ms, +89.3%) ⚠️ sparkline.movingAvg.500000: 54.87 ms (baseline: 37.28 ms, +47.2%) ✓ sparkline.rdp.500000: 40.97 ms (baseline: 47.89 ms, -14.4%) ⚠️ sparkline.none.948423: 564.53 ms (baseline: 341.94 ms, +65.1%) ⚠️ sparkline.movingAvg.948423: 156.11 ms (baseline: 93.40 ms, +67.1%) ⚠️ sparkline.rdp.948423: 100.03 ms (baseline: 60.29 ms, +65.9%) ⚠️ windrose.aggregation.1000: 485.6 µs (baseline: 396.5 µs, +22.5%) ⚠️ windrose.draw.1000: 3.02 ms (baseline: 758.7 µs, +297.5%) windrose.aggregation.10000: 1.76 ms (baseline: 1.63 ms, +8.1%) ⚠️ windrose.draw.10000: 1.81 ms (baseline: 669.6 µs, +170.4%) ⚠️ windrose.aggregation.50000: 12.74 ms (baseline: 8.30 ms, +53.5%) ⚠️ windrose.draw.50000: 1.20 ms (baseline: 661.3 µs, +82.1%) ⚠️ windrose.aggregation.100000: 13.24 ms (baseline: 4.03 ms, +228.4%) ✓ windrose.draw.100000: 622.6 µs (baseline: 829.0 µs, -24.9%) ⚠️ windrose.aggregation.500000: 94.34 ms (baseline: 19.72 ms, +378.4%) ⚠️ windrose.draw.500000: 10.30 ms (baseline: 758.3 µs, +1257.7%) ⚠️ windrose.aggregation.948423: 78.48 ms (baseline: 37.57 ms, +108.9%) ⚠️ windrose.draw.948423: 2.74 ms (baseline: 798.6 µs, +243.4%) ⚠️ scaling.none.1x: 7.68 ms (baseline: 4.24 ms, +80.9%) ⚠️ scaling.movingAvg.1x: 1.90 ms (baseline: 1.12 ms, +69.5%) scaling.rdp.1x: 1.63 ms (baseline: 1.77 ms, -8.4%) scaling.none.2x: 9.27 ms (baseline: 7.88 ms, +17.6%) ⚠️ scaling.movingAvg.2x: 2.00 ms (baseline: 1.19 ms, +67.7%) scaling.rdp.2x: 1.09 ms (baseline: 987.7 µs, +10.7%) ⚠️ scaling.none.5x: 21.47 ms (baseline: 17.02 ms, +26.2%) ⚠️ scaling.movingAvg.5x: 4.09 ms (baseline: 3.21 ms, +27.5%) scaling.rdp.5x: 2.53 ms (baseline: 2.46 ms, +3.0%) ⚠️ scaling.none.10x: 66.94 ms (baseline: 38.18 ms, +75.3%) ⚠️ scaling.movingAvg.10x: 10.22 ms (baseline: 4.72 ms, +116.4%) ⚠️ scaling.rdp.10x: 12.32 ms (baseline: 4.26 ms, +188.9%) scaling.none.20x: 69.87 ms (baseline: 72.47 ms, -3.6%) scaling.movingAvg.20x: 13.51 ms (baseline: 11.90 ms, +13.5%) ⚠️ scaling.rdp.20x: 16.11 ms (baseline: 8.98 ms, +79.4%) ⚠️ scaling.none.50x: 266.00 ms (baseline: 193.83 ms, +37.2%) ⚠️ scaling.movingAvg.50x: 46.64 ms (baseline: 31.69 ms, +47.1%) ⚠️ scaling.rdp.50x: 56.50 ms (baseline: 26.41 ms, +113.9%) multiseries.movingAvg.1series: 6.04 ms (baseline: 5.20 ms, +16.2%) multiseries.rdp.1series: 4.83 ms (baseline: 4.18 ms, +15.4%) multiseries.movingAvg.2series: 8.53 ms (baseline: 8.76 ms, -2.6%) multiseries.rdp.2series: 15.55 ms (baseline: 13.07 ms, +19.0%) ⚠️ multiseries.movingAvg.3series: 15.41 ms (baseline: 11.97 ms, +28.8%) ⚠️ multiseries.rdp.3series: 38.01 ms (baseline: 16.96 ms, +124.1%) ⚠️ multiseries.movingAvg.5series: 33.28 ms (baseline: 22.60 ms, +47.3%) multiseries.rdp.5series: 35.72 ms (baseline: 31.11 ms, +14.8%) 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: 43.83 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: 0.029 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: 0.052 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: 21.22 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: 01:16 min [INFO] Finished at: 2026-08-11T10:59:22Z [INFO] ------------------------------------------------------------------------