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: 2.794 s [INFO] Finished at: 2026-08-10T03:18:18Z [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: 2.413 s [INFO] Finished at: 2026-08-10T03:18:25Z [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: 2026-08-10T01:08:18.188262898Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 03:19:04.231 [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 | 2.71 ms | 4.78 ms | 6.74 ms 1,000 | 5.31 ms | 6.83 ms | 5.04 ms 10,000 | 17.27 ms | 4.25 ms | 5.34 ms 49,871 | 35.64 ms | 4.92 ms | 67.14 ms 97,643 | 70.75 ms | 12.19 ms | 11.71 ms 495,995 | 307.69 ms | 71.58 ms | 71.67 ms 944,282 | 504.89 ms | 144.32 ms | 124.27 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 | 1.42 ms | 835.6 µs | 2.26 ms 10,000 | 1.87 ms | 1.19 ms | 3.06 ms 50,000 | 16.17 ms | 1.74 ms | 17.91 ms 100,000 | 6.90 ms | 3.68 ms | 10.58 ms 500,000 | 38.74 ms | 1.28 ms | 40.02 ms 948,423 | 62.41 ms | 635.5 µs | 63.05 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 | 4.88 ms ( 0.4x) | 5.36 ms ( 3.9x) | 1.88 ms ( 0.5x) 2x | 19,996 | 16.04 ms ( 1.3x) | 2.54 ms ( 1.9x) | 3.10 ms ( 0.7x) 5x | 49,871 | 32.19 ms ( 2.5x) | 6.26 ms ( 4.6x) | 4.81 ms ( 1.2x) 10x | 97,643 | 55.56 ms ( 4.4x) | 9.03 ms ( 6.6x) | 5.66 ms ( 1.4x) 20x | 196,569 | 79.25 ms ( 6.2x) | 15.85 ms (11.6x) | 12.29 ms ( 3.0x) 50x | 495,995 | 248.53 ms (19.5x) | 62.23 ms (45.7x) | 40.78 ms ( 9.8x) 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 | 158.2 µs | 5 | 224.1 µs 10,000 | 5 | 1.87 ms | 5 | 1.22 ms 97,643 | 5 | 6.54 ms | 5 | 4.08 ms 495,995 | 5 | 65.36 ms | 5 | 46.36 ms 944,282 | 5 | 150.95 ms | 5 | 85.72 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 | 6.93 ms | 8.54 ms 2 | 21.00 ms | 15.56 ms 3 | 24.80 ms | 38.35 ms 5 | 23.17 ms | 38.16 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 2.71 ms (baseline: 1.66 ms, +63.5%) ⚠️ sparkline.movingAvg.100: 4.78 ms (baseline: 2.06 ms, +132.5%) ⚠️ sparkline.rdp.100: 6.74 ms (baseline: 1.08 ms, +522.4%) ⚠️ sparkline.none.1000: 5.31 ms (baseline: 3.35 ms, +58.2%) ⚠️ sparkline.movingAvg.1000: 6.83 ms (baseline: 4.68 ms, +46.0%) ⚠️ sparkline.rdp.1000: 5.04 ms (baseline: 2.46 ms, +105.1%) ⚠️ sparkline.none.10000: 17.27 ms (baseline: 13.85 ms, +24.7%) ⚠️ sparkline.movingAvg.10000: 4.25 ms (baseline: 3.52 ms, +20.5%) ⚠️ sparkline.rdp.10000: 5.34 ms (baseline: 4.24 ms, +26.0%) ⚠️ sparkline.none.50000: 35.64 ms (baseline: 20.34 ms, +75.3%) sparkline.movingAvg.50000: 4.92 ms (baseline: 4.64 ms, +6.1%) ⚠️ sparkline.rdp.50000: 67.14 ms (baseline: 27.79 ms, +141.5%) ⚠️ sparkline.none.100000: 70.75 ms (baseline: 36.18 ms, +95.5%) ⚠️ sparkline.movingAvg.100000: 12.19 ms (baseline: 4.41 ms, +176.3%) sparkline.rdp.100000: 11.71 ms (baseline: 11.24 ms, +4.1%) ⚠️ sparkline.none.500000: 307.69 ms (baseline: 188.73 ms, +63.0%) ⚠️ sparkline.movingAvg.500000: 71.58 ms (baseline: 30.82 ms, +132.3%) ⚠️ sparkline.rdp.500000: 71.67 ms (baseline: 36.40 ms, +96.9%) ⚠️ sparkline.none.948423: 504.89 ms (baseline: 363.63 ms, +38.8%) ⚠️ sparkline.movingAvg.948423: 144.32 ms (baseline: 84.52 ms, +70.8%) ⚠️ sparkline.rdp.948423: 124.27 ms (baseline: 59.15 ms, +110.1%) ⚠️ windrose.aggregation.1000: 1.42 ms (baseline: 410.7 µs, +245.9%) ⚠️ windrose.draw.1000: 835.6 µs (baseline: 688.3 µs, +21.4%) windrose.aggregation.10000: 1.87 ms (baseline: 1.63 ms, +14.6%) ⚠️ windrose.draw.10000: 1.19 ms (baseline: 706.6 µs, +68.4%) ⚠️ windrose.aggregation.50000: 16.17 ms (baseline: 8.00 ms, +102.0%) ⚠️ windrose.draw.50000: 1.74 ms (baseline: 733.5 µs, +137.0%) ⚠️ windrose.aggregation.100000: 6.90 ms (baseline: 4.55 ms, +51.8%) ⚠️ windrose.draw.100000: 3.68 ms (baseline: 1.28 ms, +187.7%) ⚠️ windrose.aggregation.500000: 38.74 ms (baseline: 21.82 ms, +77.6%) ⚠️ windrose.draw.500000: 1.28 ms (baseline: 560.4 µs, +127.9%) ⚠️ windrose.aggregation.948423: 62.41 ms (baseline: 41.54 ms, +50.3%) windrose.draw.948423: 635.5 µs (baseline: 652.6 µs, -2.6%) scaling.none.1x: 4.88 ms (baseline: 4.35 ms, +12.2%) ⚠️ scaling.movingAvg.1x: 5.36 ms (baseline: 997.2 µs, +437.1%) ⚠️ scaling.rdp.1x: 1.88 ms (baseline: 897.7 µs, +109.6%) ⚠️ scaling.none.2x: 16.04 ms (baseline: 6.93 ms, +131.3%) ⚠️ scaling.movingAvg.2x: 2.54 ms (baseline: 978.1 µs, +159.4%) ⚠️ scaling.rdp.2x: 3.10 ms (baseline: 1.12 ms, +175.4%) ⚠️ scaling.none.5x: 32.19 ms (baseline: 19.84 ms, +62.2%) ⚠️ scaling.movingAvg.5x: 6.26 ms (baseline: 2.48 ms, +152.0%) ⚠️ scaling.rdp.5x: 4.81 ms (baseline: 3.28 ms, +46.6%) ⚠️ scaling.none.10x: 55.56 ms (baseline: 37.54 ms, +48.0%) ⚠️ scaling.movingAvg.10x: 9.03 ms (baseline: 4.59 ms, +96.7%) scaling.rdp.10x: 5.66 ms (baseline: 5.35 ms, +5.7%) ⚠️ scaling.none.20x: 79.25 ms (baseline: 65.69 ms, +20.6%) ⚠️ scaling.movingAvg.20x: 15.85 ms (baseline: 9.72 ms, +63.0%) ⚠️ scaling.rdp.20x: 12.29 ms (baseline: 10.02 ms, +22.6%) ⚠️ scaling.none.50x: 248.53 ms (baseline: 172.06 ms, +44.4%) ⚠️ scaling.movingAvg.50x: 62.23 ms (baseline: 22.15 ms, +180.9%) ⚠️ scaling.rdp.50x: 40.78 ms (baseline: 23.81 ms, +71.3%) ⚠️ multiseries.movingAvg.1series: 6.93 ms (baseline: 4.93 ms, +40.7%) ⚠️ multiseries.rdp.1series: 8.54 ms (baseline: 4.59 ms, +86.1%) ⚠️ multiseries.movingAvg.2series: 21.00 ms (baseline: 8.74 ms, +140.3%) ⚠️ multiseries.rdp.2series: 15.56 ms (baseline: 12.40 ms, +25.4%) ⚠️ multiseries.movingAvg.3series: 24.80 ms (baseline: 13.19 ms, +88.1%) ⚠️ multiseries.rdp.3series: 38.35 ms (baseline: 18.54 ms, +106.9%) multiseries.movingAvg.5series: 23.17 ms (baseline: 22.83 ms, +1.5%) multiseries.rdp.5series: 38.16 ms (baseline: 37.28 ms, +2.4%) 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: 44.47 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: 0.047 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: 0.049 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: 19.66 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: 01:15 min [INFO] Finished at: 2026-08-10T03:19:52Z [INFO] ------------------------------------------------------------------------