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: 2.728 s [INFO] Finished at: 2026-08-09T05:13:41Z [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: 2.493 s [INFO] Finished at: 2026-08-09T05:13:48Z [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: 2026-08-09T04:20:18.619857806Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 05:14:28.930 [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 | 4.25 ms | 3.85 ms | 2.33 ms 1,000 | 3.08 ms | 2.69 ms | 2.26 ms 10,000 | 14.51 ms | 3.28 ms | 4.99 ms 49,871 | 45.39 ms | 4.26 ms | 76.57 ms 97,643 | 64.91 ms | 13.06 ms | 8.36 ms 495,995 | 362.79 ms | 43.59 ms | 57.23 ms 944,282 | 610.78 ms | 165.96 ms | 101.65 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 | 510.2 µs | 1.68 ms | 2.19 ms 10,000 | 7.54 ms | 2.24 ms | 9.78 ms 50,000 | 28.92 ms | 1.17 ms | 30.09 ms 100,000 | 13.19 ms | 1.78 ms | 14.97 ms 500,000 | 44.03 ms | 1.94 ms | 45.96 ms 948,423 | 60.62 ms | 1.64 ms | 62.27 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 | 6.56 ms ( 0.6x) | 700.5 µs ( 0.5x) | 564.8 µs ( 0.9x) 2x | 19,996 | 8.98 ms ( 0.9x) | 1.47 ms ( 1.1x) | 1.08 ms ( 1.7x) 5x | 49,871 | 23.14 ms ( 2.2x) | 5.38 ms ( 4.1x) | 3.00 ms ( 4.8x) 10x | 97,643 | 57.11 ms ( 5.5x) | 6.20 ms ( 4.7x) | 11.71 ms (18.6x) 20x | 196,569 | 117.84 ms (11.3x) | 11.19 ms ( 8.5x) | 11.37 ms (18.1x) 50x | 495,995 | 211.94 ms (20.3x) | 41.45 ms (31.6x) | 31.61 ms (50.3x) 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 | 149.5 µs | 5 | 255.1 µs 10,000 | 5 | 516.4 µs | 5 | 850.3 µs 97,643 | 5 | 4.97 ms | 5 | 13.67 ms 495,995 | 5 | 53.63 ms | 5 | 55.77 ms 944,282 | 5 | 114.69 ms | 5 | 115.69 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 | 8.93 ms | 3.92 ms 2 | 14.83 ms | 33.25 ms 3 | 23.13 ms | 43.22 ms 5 | 27.39 ms | 38.36 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 4.25 ms (baseline: 1.21 ms, +250.6%) ⚠️ sparkline.movingAvg.100: 3.85 ms (baseline: 2.82 ms, +36.6%) ⚠️ sparkline.rdp.100: 2.33 ms (baseline: 891.7 µs, +161.9%) sparkline.none.1000: 3.08 ms (baseline: 2.84 ms, +8.3%) sparkline.movingAvg.1000: 2.69 ms (baseline: 2.58 ms, +4.0%) ⚠️ sparkline.rdp.1000: 2.26 ms (baseline: 1.45 ms, +55.5%) sparkline.none.10000: 14.51 ms (baseline: 14.22 ms, +2.0%) ⚠️ sparkline.movingAvg.10000: 3.28 ms (baseline: 1.09 ms, +202.1%) ✓ sparkline.rdp.10000: 4.99 ms (baseline: 7.95 ms, -37.2%) ⚠️ sparkline.none.50000: 45.39 ms (baseline: 19.63 ms, +131.2%) ⚠️ sparkline.movingAvg.50000: 4.26 ms (baseline: 3.08 ms, +38.2%) ⚠️ sparkline.rdp.50000: 76.57 ms (baseline: 4.04 ms, +1795.1%) ⚠️ sparkline.none.100000: 64.91 ms (baseline: 38.48 ms, +68.7%) ⚠️ sparkline.movingAvg.100000: 13.06 ms (baseline: 5.23 ms, +149.7%) ⚠️ sparkline.rdp.100000: 8.36 ms (baseline: 6.95 ms, +20.3%) ⚠️ sparkline.none.500000: 362.79 ms (baseline: 186.44 ms, +94.6%) ⚠️ sparkline.movingAvg.500000: 43.59 ms (baseline: 27.06 ms, +61.1%) ⚠️ sparkline.rdp.500000: 57.23 ms (baseline: 37.05 ms, +54.5%) ⚠️ sparkline.none.948423: 610.78 ms (baseline: 340.02 ms, +79.6%) ⚠️ sparkline.movingAvg.948423: 165.96 ms (baseline: 88.53 ms, +87.5%) ⚠️ sparkline.rdp.948423: 101.65 ms (baseline: 56.86 ms, +78.8%) windrose.aggregation.1000: 510.2 µs (baseline: 445.4 µs, +14.6%) ⚠️ windrose.draw.1000: 1.68 ms (baseline: 764.0 µs, +120.5%) ⚠️ windrose.aggregation.10000: 7.54 ms (baseline: 1.65 ms, +356.8%) ⚠️ windrose.draw.10000: 2.24 ms (baseline: 859.1 µs, +160.5%) ⚠️ windrose.aggregation.50000: 28.92 ms (baseline: 8.31 ms, +248.1%) ⚠️ windrose.draw.50000: 1.17 ms (baseline: 666.0 µs, +76.0%) ⚠️ windrose.aggregation.100000: 13.19 ms (baseline: 3.92 ms, +236.2%) ⚠️ windrose.draw.100000: 1.78 ms (baseline: 617.6 µs, +187.7%) ⚠️ windrose.aggregation.500000: 44.03 ms (baseline: 18.35 ms, +139.9%) ⚠️ windrose.draw.500000: 1.94 ms (baseline: 607.2 µs, +218.9%) ⚠️ windrose.aggregation.948423: 60.62 ms (baseline: 44.48 ms, +36.3%) ⚠️ windrose.draw.948423: 1.64 ms (baseline: 703.8 µs, +133.7%) ⚠️ scaling.none.1x: 6.56 ms (baseline: 3.60 ms, +82.6%) ⚠️ scaling.movingAvg.1x: 700.5 µs (baseline: 581.4 µs, +20.5%) scaling.rdp.1x: 564.8 µs (baseline: 592.3 µs, -4.6%) scaling.none.2x: 8.98 ms (baseline: 7.86 ms, +14.3%) ⚠️ scaling.movingAvg.2x: 1.47 ms (baseline: 1.17 ms, +25.3%) scaling.rdp.2x: 1.08 ms (baseline: 1.13 ms, -4.6%) ⚠️ scaling.none.5x: 23.14 ms (baseline: 16.96 ms, +36.4%) ⚠️ scaling.movingAvg.5x: 5.38 ms (baseline: 2.44 ms, +120.1%) ⚠️ scaling.rdp.5x: 3.00 ms (baseline: 2.37 ms, +26.5%) ⚠️ scaling.none.10x: 57.11 ms (baseline: 34.81 ms, +64.1%) ⚠️ scaling.movingAvg.10x: 6.20 ms (baseline: 4.24 ms, +46.3%) ⚠️ scaling.rdp.10x: 11.71 ms (baseline: 4.25 ms, +175.6%) ⚠️ scaling.none.20x: 117.84 ms (baseline: 67.81 ms, +73.8%) ⚠️ scaling.movingAvg.20x: 11.19 ms (baseline: 9.10 ms, +22.9%) ⚠️ scaling.rdp.20x: 11.37 ms (baseline: 9.25 ms, +22.9%) scaling.none.50x: 211.94 ms (baseline: 186.68 ms, +13.5%) scaling.movingAvg.50x: 41.45 ms (baseline: 34.92 ms, +18.7%) scaling.rdp.50x: 31.61 ms (baseline: 27.65 ms, +14.4%) ⚠️ multiseries.movingAvg.1series: 8.93 ms (baseline: 4.10 ms, +117.6%) multiseries.rdp.1series: 3.92 ms (baseline: 4.20 ms, -6.6%) ⚠️ multiseries.movingAvg.2series: 14.83 ms (baseline: 8.50 ms, +74.5%) ⚠️ multiseries.rdp.2series: 33.25 ms (baseline: 11.56 ms, +187.6%) ⚠️ multiseries.movingAvg.3series: 23.13 ms (baseline: 14.16 ms, +63.3%) ⚠️ multiseries.rdp.3series: 43.22 ms (baseline: 20.64 ms, +109.4%) multiseries.movingAvg.5series: 27.39 ms (baseline: 23.86 ms, +14.8%) multiseries.rdp.5series: 38.36 ms (baseline: 33.73 ms, +13.7%) 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: 44.88 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: 0.037 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: 0.038 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: 22.46 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: 01:20 min [INFO] Finished at: 2026-08-09T05:15:19Z [INFO] ------------------------------------------------------------------------