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: 1.729 s [INFO] Finished at: 2026-08-10T01:07:33Z [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: 1.422 s [INFO] Finished at: 2026-08-10T01:07:37Z [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: 2026-08-09T22:40:38.784253940Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 01:08:02.017 [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 | 1.66 ms | 2.06 ms | 1.08 ms 1,000 | 3.35 ms | 4.68 ms | 2.46 ms 10,000 | 13.85 ms | 3.52 ms | 4.24 ms 49,871 | 20.34 ms | 4.64 ms | 27.79 ms 97,643 | 36.18 ms | 4.41 ms | 11.24 ms 495,995 | 188.73 ms | 30.82 ms | 36.40 ms 944,282 | 363.63 ms | 84.52 ms | 59.15 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 | 410.7 µs | 688.3 µs | 1.10 ms 10,000 | 1.63 ms | 706.6 µs | 2.34 ms 50,000 | 8.00 ms | 733.5 µs | 8.74 ms 100,000 | 4.55 ms | 1.28 ms | 5.83 ms 500,000 | 21.82 ms | 560.4 µs | 22.38 ms 948,423 | 41.54 ms | 652.6 µs | 42.19 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 | 4.35 ms ( 0.9x) | 997.2 µs ( 1.4x) | 897.7 µs ( 1.3x) 2x | 19,996 | 6.93 ms ( 1.5x) | 978.1 µs ( 1.4x) | 1.12 ms ( 1.7x) 5x | 49,871 | 19.84 ms ( 4.2x) | 2.48 ms ( 3.6x) | 3.28 ms ( 4.8x) 10x | 97,643 | 37.54 ms ( 7.9x) | 4.59 ms ( 6.7x) | 5.35 ms ( 7.9x) 20x | 196,569 | 65.69 ms (13.8x) | 9.72 ms (14.1x) | 10.02 ms (14.8x) 50x | 495,995 | 172.06 ms (36.1x) | 22.15 ms (32.2x) | 23.81 ms (35.1x) 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 | 222.9 µs | 5 | 204.4 µs 10,000 | 5 | 496.5 µs | 5 | 546.2 µs 97,643 | 5 | 4.18 ms | 5 | 4.23 ms 495,995 | 5 | 24.57 ms | 5 | 24.84 ms 944,282 | 5 | 93.27 ms | 5 | 48.14 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 | 4.93 ms | 4.59 ms 2 | 8.74 ms | 12.40 ms 3 | 13.19 ms | 18.54 ms 5 | 22.83 ms | 37.28 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.66 ms (baseline: 3.43 ms, -51.6%) ✓ sparkline.movingAvg.100: 2.06 ms (baseline: 3.65 ms, -43.6%) ✓ sparkline.rdp.100: 1.08 ms (baseline: 2.00 ms, -45.9%) ✓ sparkline.none.1000: 3.35 ms (baseline: 4.95 ms, -32.2%) ⚠️ sparkline.movingAvg.1000: 4.68 ms (baseline: 1.20 ms, +291.2%) ⚠️ sparkline.rdp.1000: 2.46 ms (baseline: 1.38 ms, +77.8%) ✓ sparkline.none.10000: 13.85 ms (baseline: 17.16 ms, -19.3%) sparkline.movingAvg.10000: 3.52 ms (baseline: 3.54 ms, -0.3%) ✓ sparkline.rdp.10000: 4.24 ms (baseline: 7.93 ms, -46.5%) sparkline.none.50000: 20.34 ms (baseline: 22.23 ms, -8.5%) ✓ sparkline.movingAvg.50000: 4.64 ms (baseline: 7.65 ms, -39.4%) ✓ sparkline.rdp.50000: 27.79 ms (baseline: 68.48 ms, -59.4%) ✓ sparkline.none.100000: 36.18 ms (baseline: 55.20 ms, -34.5%) ✓ sparkline.movingAvg.100000: 4.41 ms (baseline: 5.50 ms, -19.8%) ✓ sparkline.rdp.100000: 11.24 ms (baseline: 15.04 ms, -25.2%) ✓ sparkline.none.500000: 188.73 ms (baseline: 265.89 ms, -29.0%) ✓ sparkline.movingAvg.500000: 30.82 ms (baseline: 84.54 ms, -63.5%) ✓ sparkline.rdp.500000: 36.40 ms (baseline: 48.15 ms, -24.4%) ✓ sparkline.none.948423: 363.63 ms (baseline: 547.35 ms, -33.6%) ✓ sparkline.movingAvg.948423: 84.52 ms (baseline: 103.61 ms, -18.4%) ✓ sparkline.rdp.948423: 59.15 ms (baseline: 121.40 ms, -51.3%) windrose.aggregation.1000: 410.7 µs (baseline: 425.7 µs, -3.5%) ✓ windrose.draw.1000: 688.3 µs (baseline: 1.12 ms, -38.4%) windrose.aggregation.10000: 1.63 ms (baseline: 1.66 ms, -1.6%) windrose.draw.10000: 706.6 µs (baseline: 777.3 µs, -9.1%) ✓ windrose.aggregation.50000: 8.00 ms (baseline: 24.46 ms, -67.3%) ✓ windrose.draw.50000: 733.5 µs (baseline: 1.87 ms, -60.8%) ✓ windrose.aggregation.100000: 4.55 ms (baseline: 15.20 ms, -70.1%) ✓ windrose.draw.100000: 1.28 ms (baseline: 1.49 ms, -14.3%) ✓ windrose.aggregation.500000: 21.82 ms (baseline: 90.14 ms, -75.8%) windrose.draw.500000: 560.4 µs (baseline: 489.1 µs, +14.6%) ✓ windrose.aggregation.948423: 41.54 ms (baseline: 53.95 ms, -23.0%) ✓ windrose.draw.948423: 652.6 µs (baseline: 12.90 ms, -94.9%) ✓ scaling.none.1x: 4.35 ms (baseline: 12.21 ms, -64.4%) ✓ scaling.movingAvg.1x: 997.2 µs (baseline: 3.90 ms, -74.4%) ✓ scaling.rdp.1x: 897.7 µs (baseline: 1.88 ms, -52.4%) ✓ scaling.none.2x: 6.93 ms (baseline: 16.87 ms, -58.9%) ✓ scaling.movingAvg.2x: 978.1 µs (baseline: 1.26 ms, -22.4%) scaling.rdp.2x: 1.12 ms (baseline: 951.2 µs, +18.2%) scaling.none.5x: 19.84 ms (baseline: 16.79 ms, +18.2%) ✓ scaling.movingAvg.5x: 2.48 ms (baseline: 3.30 ms, -24.7%) scaling.rdp.5x: 3.28 ms (baseline: 3.41 ms, -3.8%) ✓ scaling.none.10x: 37.54 ms (baseline: 45.51 ms, -17.5%) ✓ scaling.movingAvg.10x: 4.59 ms (baseline: 9.02 ms, -49.1%) ✓ scaling.rdp.10x: 5.35 ms (baseline: 11.95 ms, -55.2%) ✓ scaling.none.20x: 65.69 ms (baseline: 93.57 ms, -29.8%) scaling.movingAvg.20x: 9.72 ms (baseline: 10.49 ms, -7.4%) ✓ scaling.rdp.20x: 10.02 ms (baseline: 16.38 ms, -38.8%) ✓ scaling.none.50x: 172.06 ms (baseline: 281.68 ms, -38.9%) ✓ scaling.movingAvg.50x: 22.15 ms (baseline: 52.50 ms, -57.8%) scaling.rdp.50x: 23.81 ms (baseline: 24.76 ms, -3.8%) ✓ multiseries.movingAvg.1series: 4.93 ms (baseline: 6.28 ms, -21.6%) ✓ multiseries.rdp.1series: 4.59 ms (baseline: 5.68 ms, -19.1%) ✓ multiseries.movingAvg.2series: 8.74 ms (baseline: 15.98 ms, -45.3%) multiseries.rdp.2series: 12.40 ms (baseline: 11.09 ms, +11.8%) ✓ multiseries.movingAvg.3series: 13.19 ms (baseline: 16.52 ms, -20.2%) ✓ multiseries.rdp.3series: 18.54 ms (baseline: 23.30 ms, -20.4%) multiseries.movingAvg.5series: 22.83 ms (baseline: 25.22 ms, -9.5%) ✓ multiseries.rdp.5series: 37.28 ms (baseline: 69.19 ms, -46.1%) 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: 28.32 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: 0.013 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: 0.019 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: 13.22 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: 47.447 s [INFO] Finished at: 2026-08-10T01:08:31Z [INFO] ------------------------------------------------------------------------