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 93c9895 [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:1.2.1-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 1.2.1-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: 2.923 s [INFO] Finished at: 2026-10-11T00:51:03Z [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:1.2.1-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 1.2.1-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:1.2.1-SNAPSHOT -> 25.3-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.675 s [INFO] Finished at: 2026-10-11T00:51:09Z [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:1.2.1-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 1.2.1-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:1.2.1-SNAPSHOT... [INFO] [INFO] --- compiler:3.13.0:compile (default-compile) @ svg-visualizations --- [INFO] Recompiling the module because of changed source code. [INFO] Compiling 3 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 17 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.SparkLineGeometryTest [INFO] Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.218 s -- in org.vaadin.svgvis.SparkLineGeometryTest [INFO] Running org.vaadin.svgvis.RenderingPerformanceTest Loaded 948423 weather records === System Information === CPU Model: AMD EPYC-Rome Processor CPU Cores: 4 OS: Linux 6.8.0-142-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-10-11T00:08:39.740426335Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 00:51:51.643 [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 | 1.49 ms | 6.48 ms | 4.29 ms 1,000 | 7.70 ms | 5.82 ms | 3.34 ms 10,000 | 27.24 ms | 4.37 ms | 21.70 ms 49,871 | 32.51 ms | 5.31 ms | 43.37 ms 97,643 | 59.81 ms | 4.15 ms | 11.03 ms 495,995 | 381.42 ms | 12.96 ms | 72.23 ms 944,282 | 713.06 ms | 11.51 ms | 80.69 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 | 323.0 µs | 2.17 ms | 2.49 ms 10,000 | 5.66 ms | 667.7 µs | 6.32 ms 50,000 | 15.68 ms | 2.16 ms | 17.84 ms 100,000 | 7.18 ms | 981.3 µs | 8.16 ms 500,000 | 33.92 ms | 626.4 µs | 34.55 ms 948,423 | 60.55 ms | 1.34 ms | 61.89 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 | 4.65 ms ( 0.9x) | 341.7 µs ( 0.9x) | 991.7 µs ( 0.9x) 2x | 19,996 | 17.20 ms ( 3.4x) | 3.70 ms ( 9.6x) | 31.70 ms (28.5x) 5x | 49,871 | 35.85 ms ( 7.1x) | 5.42 ms (14.1x) | 3.48 ms ( 3.1x) 10x | 97,643 | 61.17 ms (12.0x) | 1.13 ms ( 2.9x) | 9.88 ms ( 8.9x) 20x | 196,569 | 89.51 ms (17.6x) | 2.82 ms ( 7.3x) | 14.72 ms (13.2x) 50x | 495,995 | 315.97 ms (62.2x) | 13.69 ms (35.5x) | 31.17 ms (28.0x) 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 | 110.2 µs | 5 | 209.0 µs 10,000 | 5 | 237.6 µs | 5 | 832.6 µs 97,643 | 5 | 1.24 ms | 5 | 4.80 ms 495,995 | 5 | 13.39 ms | 5 | 69.07 ms 944,282 | 5 | 15.67 ms | 5 | 103.93 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 | 1.18 ms | 13.61 ms 2 | 2.82 ms | 31.38 ms 3 | 4.64 ms | 27.04 ms 5 | 10.41 ms | 50.24 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.49 ms (baseline: 7.87 ms, -81.0%) ⚠️ sparkline.movingAvg.100: 6.48 ms (baseline: 4.12 ms, +57.5%) sparkline.rdp.100: 4.29 ms (baseline: 3.95 ms, +8.5%) ✓ sparkline.none.1000: 7.70 ms (baseline: 9.29 ms, -17.2%) ⚠️ sparkline.movingAvg.1000: 5.82 ms (baseline: 3.20 ms, +82.1%) ✓ sparkline.rdp.1000: 3.34 ms (baseline: 9.93 ms, -66.3%) ✓ sparkline.none.10000: 27.24 ms (baseline: 34.08 ms, -20.1%) ⚠️ sparkline.movingAvg.10000: 4.37 ms (baseline: 3.27 ms, +33.7%) ⚠️ sparkline.rdp.10000: 21.70 ms (baseline: 8.38 ms, +158.9%) ✓ sparkline.none.50000: 32.51 ms (baseline: 36.61 ms, -11.2%) ⚠️ sparkline.movingAvg.50000: 5.31 ms (baseline: 982.8 µs, +440.8%) ⚠️ sparkline.rdp.50000: 43.37 ms (baseline: 12.98 ms, +234.2%) ✓ sparkline.none.100000: 59.81 ms (baseline: 80.33 ms, -25.5%) ✓ sparkline.movingAvg.100000: 4.15 ms (baseline: 9.63 ms, -56.9%) ✓ sparkline.rdp.100000: 11.03 ms (baseline: 93.54 ms, -88.2%) sparkline.none.500000: 381.42 ms (baseline: 366.66 ms, +4.0%) sparkline.movingAvg.500000: 12.96 ms (baseline: 11.80 ms, +9.9%) sparkline.rdp.500000: 72.23 ms (baseline: 68.06 ms, +6.1%) sparkline.none.948423: 713.06 ms (baseline: 691.96 ms, +3.1%) ✓ sparkline.movingAvg.948423: 11.51 ms (baseline: 16.76 ms, -31.3%) ✓ sparkline.rdp.948423: 80.69 ms (baseline: 216.65 ms, -62.8%) windrose.aggregation.1000: 323.0 µs (baseline: 317.7 µs, +1.6%) windrose.draw.1000: 2.17 ms (baseline: 1.93 ms, +12.4%) ✓ windrose.aggregation.10000: 5.66 ms (baseline: 11.19 ms, -49.5%) ✓ windrose.draw.10000: 667.7 µs (baseline: 2.77 ms, -75.9%) ✓ windrose.aggregation.50000: 15.68 ms (baseline: 19.69 ms, -20.4%) ✓ windrose.draw.50000: 2.16 ms (baseline: 4.89 ms, -55.9%) ✓ windrose.aggregation.100000: 7.18 ms (baseline: 12.36 ms, -41.9%) windrose.draw.100000: 981.3 µs (baseline: 1.01 ms, -3.1%) ⚠️ windrose.aggregation.500000: 33.92 ms (baseline: 27.42 ms, +23.7%) ✓ windrose.draw.500000: 626.4 µs (baseline: 732.9 µs, -14.5%) ⚠️ windrose.aggregation.948423: 60.55 ms (baseline: 38.70 ms, +56.5%) ⚠️ windrose.draw.948423: 1.34 ms (baseline: 557.8 µs, +140.0%) scaling.none.1x: 4.65 ms (baseline: 4.43 ms, +5.0%) scaling.movingAvg.1x: 341.7 µs (baseline: 293.6 µs, +16.4%) ⚠️ scaling.rdp.1x: 991.7 µs (baseline: 730.4 µs, +35.8%) ⚠️ scaling.none.2x: 17.20 ms (baseline: 12.47 ms, +37.9%) ⚠️ scaling.movingAvg.2x: 3.70 ms (baseline: 1.58 ms, +134.3%) ⚠️ scaling.rdp.2x: 31.70 ms (baseline: 2.50 ms, +1169.6%) ✓ scaling.none.5x: 35.85 ms (baseline: 47.56 ms, -24.6%) ⚠️ scaling.movingAvg.5x: 5.42 ms (baseline: 736.5 µs, +635.3%) ✓ scaling.rdp.5x: 3.48 ms (baseline: 6.15 ms, -43.4%) ✓ scaling.none.10x: 61.17 ms (baseline: 82.23 ms, -25.6%) ✓ scaling.movingAvg.10x: 1.13 ms (baseline: 3.67 ms, -69.1%) ⚠️ scaling.rdp.10x: 9.88 ms (baseline: 5.85 ms, +69.0%) ✓ scaling.none.20x: 89.51 ms (baseline: 118.80 ms, -24.7%) ✓ scaling.movingAvg.20x: 2.82 ms (baseline: 5.18 ms, -45.6%) scaling.rdp.20x: 14.72 ms (baseline: 12.75 ms, +15.4%) ✓ scaling.none.50x: 315.97 ms (baseline: 387.70 ms, -18.5%) scaling.movingAvg.50x: 13.69 ms (baseline: 12.03 ms, +13.8%) ✓ scaling.rdp.50x: 31.17 ms (baseline: 68.78 ms, -54.7%) multiseries.movingAvg.1series: 1.18 ms (baseline: 1.10 ms, +7.5%) ⚠️ multiseries.rdp.1series: 13.61 ms (baseline: 8.11 ms, +67.9%) ✓ multiseries.movingAvg.2series: 2.82 ms (baseline: 4.05 ms, -30.4%) multiseries.rdp.2series: 31.38 ms (baseline: 33.08 ms, -5.1%) ✓ multiseries.movingAvg.3series: 4.64 ms (baseline: 5.40 ms, -14.1%) multiseries.rdp.3series: 27.04 ms (baseline: 22.87 ms, +18.2%) multiseries.movingAvg.5series: 10.41 ms (baseline: 9.39 ms, +10.8%) multiseries.rdp.5series: 50.24 ms (baseline: 51.95 ms, -3.3%) 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: 43.85 s -- in org.vaadin.svgvis.RenderingPerformanceTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineDrawingTest [INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.999 s -- in org.vaadin.svgvis.unit.SvgSparkLineDrawingTest [INFO] Running org.vaadin.svgvis.unit.WindRoseTest [INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.034 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: 0.048 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: 21.54 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 41, 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-1.2.1-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:22 min [INFO] Finished at: 2026-10-11T00:52:44Z [INFO] ------------------------------------------------------------------------