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=25.2.5 -DgenerateBackupPoms=false -B --no-transfer-progress 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: 2.508 s [INFO] Finished at: 2026-08-09T06:41:54Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2.5 -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress 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 -> 25.2.5 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.446 s [INFO] Finished at: 2026-08-09T06:42:01Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress -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: 2026-08-09T05:14:55.925869462Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:42:39.897 [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 | 5.98 ms | 3.40 ms | 3.32 ms 1,000 | 6.25 ms | 3.33 ms | 3.10 ms 10,000 | 34.27 ms | 3.74 ms | 15.49 ms 49,871 | 27.70 ms | 5.51 ms | 10.51 ms 97,643 | 45.50 ms | 9.59 ms | 8.18 ms 495,995 | 260.66 ms | 67.78 ms | 57.85 ms 944,282 | 486.59 ms | 123.34 ms | 105.13 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 | 1.47 ms | 731.0 µs | 2.20 ms 10,000 | 1.64 ms | 2.14 ms | 3.77 ms 50,000 | 12.30 ms | 2.96 ms | 15.26 ms 100,000 | 10.45 ms | 2.08 ms | 12.54 ms 500,000 | 55.53 ms | 1.17 ms | 56.70 ms 948,423 | 46.34 ms | 485.6 µs | 46.82 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 | 4.11 ms ( 0.9x) | 518.6 µs ( 0.8x) | 629.8 µs ( 1.1x) 2x | 19,996 | 11.83 ms ( 2.5x) | 3.89 ms ( 6.2x) | 4.11 ms ( 7.2x) 5x | 49,871 | 20.72 ms ( 4.4x) | 2.98 ms ( 4.8x) | 5.36 ms ( 9.4x) 10x | 97,643 | 61.15 ms (12.9x) | 7.25 ms (11.6x) | 9.32 ms (16.3x) 20x | 196,569 | 92.33 ms (19.5x) | 23.68 ms (37.8x) | 43.85 ms (76.9x) 50x | 495,995 | 320.29 ms (67.5x) | 67.92 ms (108.5x) | 42.39 ms (74.3x) 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 | 184.2 µs | 5 | 449.3 µs 10,000 | 5 | 760.9 µs | 5 | 779.9 µs 97,643 | 5 | 7.10 ms | 5 | 9.12 ms 495,995 | 5 | 57.94 ms | 5 | 34.22 ms 944,282 | 5 | 139.20 ms | 5 | 78.45 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 | 8.07 ms | 6.93 ms 2 | 12.24 ms | 14.99 ms 3 | 13.95 ms | 30.77 ms 5 | 40.19 ms | 36.04 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 5.98 ms (baseline: 4.25 ms, +40.7%) ✓ sparkline.movingAvg.100: 3.40 ms (baseline: 3.85 ms, -11.7%) ⚠️ sparkline.rdp.100: 3.32 ms (baseline: 2.33 ms, +42.4%) ⚠️ sparkline.none.1000: 6.25 ms (baseline: 3.08 ms, +103.0%) ⚠️ sparkline.movingAvg.1000: 3.33 ms (baseline: 2.69 ms, +23.9%) ⚠️ sparkline.rdp.1000: 3.10 ms (baseline: 2.26 ms, +37.5%) ⚠️ sparkline.none.10000: 34.27 ms (baseline: 14.51 ms, +136.2%) sparkline.movingAvg.10000: 3.74 ms (baseline: 3.28 ms, +14.0%) ⚠️ sparkline.rdp.10000: 15.49 ms (baseline: 4.99 ms, +210.5%) ✓ sparkline.none.50000: 27.70 ms (baseline: 45.39 ms, -39.0%) ⚠️ sparkline.movingAvg.50000: 5.51 ms (baseline: 4.26 ms, +29.3%) ✓ sparkline.rdp.50000: 10.51 ms (baseline: 76.57 ms, -86.3%) ✓ sparkline.none.100000: 45.50 ms (baseline: 64.91 ms, -29.9%) ✓ sparkline.movingAvg.100000: 9.59 ms (baseline: 13.06 ms, -26.6%) sparkline.rdp.100000: 8.18 ms (baseline: 8.36 ms, -2.1%) ✓ sparkline.none.500000: 260.66 ms (baseline: 362.79 ms, -28.2%) ⚠️ sparkline.movingAvg.500000: 67.78 ms (baseline: 43.59 ms, +55.5%) sparkline.rdp.500000: 57.85 ms (baseline: 57.23 ms, +1.1%) ✓ sparkline.none.948423: 486.59 ms (baseline: 610.78 ms, -20.3%) ✓ sparkline.movingAvg.948423: 123.34 ms (baseline: 165.96 ms, -25.7%) sparkline.rdp.948423: 105.13 ms (baseline: 101.65 ms, +3.4%) ⚠️ windrose.aggregation.1000: 1.47 ms (baseline: 510.2 µs, +188.6%) ✓ windrose.draw.1000: 731.0 µs (baseline: 1.68 ms, -56.6%) ✓ windrose.aggregation.10000: 1.64 ms (baseline: 7.54 ms, -78.3%) windrose.draw.10000: 2.14 ms (baseline: 2.24 ms, -4.5%) ✓ windrose.aggregation.50000: 12.30 ms (baseline: 28.92 ms, -57.5%) ⚠️ windrose.draw.50000: 2.96 ms (baseline: 1.17 ms, +152.8%) ✓ windrose.aggregation.100000: 10.45 ms (baseline: 13.19 ms, -20.7%) windrose.draw.100000: 2.08 ms (baseline: 1.78 ms, +17.1%) ⚠️ windrose.aggregation.500000: 55.53 ms (baseline: 44.03 ms, +26.1%) ✓ windrose.draw.500000: 1.17 ms (baseline: 1.94 ms, -39.6%) ✓ windrose.aggregation.948423: 46.34 ms (baseline: 60.62 ms, -23.6%) ✓ windrose.draw.948423: 485.6 µs (baseline: 1.64 ms, -70.5%) ✓ scaling.none.1x: 4.11 ms (baseline: 6.56 ms, -37.3%) ✓ scaling.movingAvg.1x: 518.6 µs (baseline: 700.5 µs, -26.0%) scaling.rdp.1x: 629.8 µs (baseline: 564.8 µs, +11.5%) ⚠️ scaling.none.2x: 11.83 ms (baseline: 8.98 ms, +31.8%) ⚠️ scaling.movingAvg.2x: 3.89 ms (baseline: 1.47 ms, +164.5%) ⚠️ scaling.rdp.2x: 4.11 ms (baseline: 1.08 ms, +282.0%) ✓ scaling.none.5x: 20.72 ms (baseline: 23.14 ms, -10.5%) ✓ scaling.movingAvg.5x: 2.98 ms (baseline: 5.38 ms, -44.6%) ⚠️ scaling.rdp.5x: 5.36 ms (baseline: 3.00 ms, +78.9%) scaling.none.10x: 61.15 ms (baseline: 57.11 ms, +7.1%) scaling.movingAvg.10x: 7.25 ms (baseline: 6.20 ms, +16.9%) ✓ scaling.rdp.10x: 9.32 ms (baseline: 11.71 ms, -20.4%) ✓ scaling.none.20x: 92.33 ms (baseline: 117.84 ms, -21.7%) ⚠️ scaling.movingAvg.20x: 23.68 ms (baseline: 11.19 ms, +111.7%) ⚠️ scaling.rdp.20x: 43.85 ms (baseline: 11.37 ms, +285.8%) ⚠️ scaling.none.50x: 320.29 ms (baseline: 211.94 ms, +51.1%) ⚠️ scaling.movingAvg.50x: 67.92 ms (baseline: 41.45 ms, +63.9%) ⚠️ scaling.rdp.50x: 42.39 ms (baseline: 31.61 ms, +34.1%) multiseries.movingAvg.1series: 8.07 ms (baseline: 8.93 ms, -9.6%) ⚠️ multiseries.rdp.1series: 6.93 ms (baseline: 3.92 ms, +76.7%) ✓ multiseries.movingAvg.2series: 12.24 ms (baseline: 14.83 ms, -17.4%) ✓ multiseries.rdp.2series: 14.99 ms (baseline: 33.25 ms, -54.9%) ✓ multiseries.movingAvg.3series: 13.95 ms (baseline: 23.13 ms, -39.7%) ✓ multiseries.rdp.3series: 30.77 ms (baseline: 43.22 ms, -28.8%) ⚠️ multiseries.movingAvg.5series: 40.19 ms (baseline: 27.39 ms, +46.7%) multiseries.rdp.5series: 36.04 ms (baseline: 38.36 ms, -6.1%) 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: 44.35 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: 0.017 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: 0.018 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: 21.20 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: 2026-08-09T06:43:29Z [INFO] ------------------------------------------------------------------------