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=25.1-SNAPSHOT -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml [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: 2.982 s [INFO] Finished at: 2026-07-25T01:44:17Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1-SNAPSHOT -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml [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 -> 25.1-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.356 s [INFO] Finished at: 2026-07-25T01:44:23Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml -DskipPerformanceValidation=true [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 6.8.0-136-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-07-25T00:32:23.023969438Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 01:45:01.236 [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 | 7.36 ms | 8.32 ms | 2.54 ms 1,000 | 9.25 ms | 3.48 ms | 5.18 ms 10,000 | 16.68 ms | 7.58 ms | 23.02 ms 49,871 | 36.43 ms | 4.88 ms | 62.30 ms 97,643 | 128.19 ms | 9.85 ms | 14.10 ms 495,995 | 373.52 ms | 64.14 ms | 22.89 ms 944,282 | 564.75 ms | 135.98 ms | 119.90 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 | 869.6 µs | 1.69 ms | 2.56 ms 10,000 | 1.44 ms | 2.03 ms | 3.48 ms 50,000 | 13.87 ms | 2.32 ms | 16.18 ms 100,000 | 5.92 ms | 1.50 ms | 7.43 ms 500,000 | 36.27 ms | 772.3 µs | 37.04 ms 948,423 | 73.63 ms | 1.62 ms | 75.25 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 | 4.26 ms ( 0.5x) | 572.3 µs ( 0.9x) | 1.01 ms ( 1.7x) 2x | 19,996 | 13.89 ms ( 1.5x) | 1.73 ms ( 2.8x) | 924.9 µs ( 1.6x) 5x | 49,871 | 33.99 ms ( 3.7x) | 2.23 ms ( 3.6x) | 1.76 ms ( 3.0x) 10x | 97,643 | 87.97 ms ( 9.6x) | 6.79 ms (10.9x) | 3.66 ms ( 6.2x) 20x | 196,569 | 129.09 ms (14.1x) | 11.66 ms (18.7x) | 8.01 ms (13.6x) 50x | 495,995 | 323.20 ms (35.2x) | 39.99 ms (64.3x) | 25.57 ms (43.5x) 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 | 155.0 µs | 5 | 1.53 ms 10,000 | 5 | 1.74 ms | 5 | 3.10 ms 97,643 | 5 | 11.40 ms | 5 | 68.65 ms 495,995 | 5 | 61.61 ms | 5 | 38.44 ms 944,282 | 5 | 122.40 ms | 5 | 80.60 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 | 8.18 ms | 4.92 ms 2 | 9.68 ms | 39.11 ms 3 | 20.78 ms | 28.47 ms 5 | 22.42 ms | 25.53 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 7.36 ms (baseline: 3.73 ms, +97.5%) ⚠️ sparkline.movingAvg.100: 8.32 ms (baseline: 2.39 ms, +247.8%) ✓ sparkline.rdp.100: 2.54 ms (baseline: 3.29 ms, -22.8%) ⚠️ sparkline.none.1000: 9.25 ms (baseline: 7.22 ms, +28.0%) ⚠️ sparkline.movingAvg.1000: 3.48 ms (baseline: 2.87 ms, +21.3%) ⚠️ sparkline.rdp.1000: 5.18 ms (baseline: 4.21 ms, +23.2%) ✓ sparkline.none.10000: 16.68 ms (baseline: 29.73 ms, -43.9%) ⚠️ sparkline.movingAvg.10000: 7.58 ms (baseline: 2.75 ms, +175.5%) ⚠️ sparkline.rdp.10000: 23.02 ms (baseline: 7.17 ms, +220.9%) ✓ sparkline.none.50000: 36.43 ms (baseline: 41.96 ms, -13.2%) sparkline.movingAvg.50000: 4.88 ms (baseline: 5.17 ms, -5.7%) sparkline.rdp.50000: 62.30 ms (baseline: 65.85 ms, -5.4%) sparkline.none.100000: 128.19 ms (baseline: 110.71 ms, +15.8%) sparkline.movingAvg.100000: 9.85 ms (baseline: 8.69 ms, +13.4%) ✓ sparkline.rdp.100000: 14.10 ms (baseline: 33.62 ms, -58.1%) sparkline.none.500000: 373.52 ms (baseline: 394.29 ms, -5.3%) sparkline.movingAvg.500000: 64.14 ms (baseline: 58.07 ms, +10.5%) ✓ sparkline.rdp.500000: 22.89 ms (baseline: 32.40 ms, -29.4%) ✓ sparkline.none.948423: 564.75 ms (baseline: 653.58 ms, -13.6%) ⚠️ sparkline.movingAvg.948423: 135.98 ms (baseline: 109.26 ms, +24.5%) ✓ sparkline.rdp.948423: 119.90 ms (baseline: 137.24 ms, -12.6%) ⚠️ windrose.aggregation.1000: 869.6 µs (baseline: 707.4 µs, +22.9%) ⚠️ windrose.draw.1000: 1.69 ms (baseline: 1.25 ms, +35.1%) ✓ windrose.aggregation.10000: 1.44 ms (baseline: 2.30 ms, -37.2%) ⚠️ windrose.draw.10000: 2.03 ms (baseline: 1.49 ms, +36.2%) windrose.aggregation.50000: 13.87 ms (baseline: 12.31 ms, +12.7%) windrose.draw.50000: 2.32 ms (baseline: 1.99 ms, +16.3%) ✓ windrose.aggregation.100000: 5.92 ms (baseline: 7.95 ms, -25.5%) windrose.draw.100000: 1.50 ms (baseline: 1.37 ms, +10.2%) ⚠️ windrose.aggregation.500000: 36.27 ms (baseline: 20.08 ms, +80.6%) ✓ windrose.draw.500000: 772.3 µs (baseline: 883.0 µs, -12.5%) ⚠️ windrose.aggregation.948423: 73.63 ms (baseline: 37.56 ms, +96.1%) ⚠️ windrose.draw.948423: 1.62 ms (baseline: 645.0 µs, +150.6%) ✓ scaling.none.1x: 4.26 ms (baseline: 17.30 ms, -75.4%) ✓ scaling.movingAvg.1x: 572.3 µs (baseline: 3.91 ms, -85.4%) ✓ scaling.rdp.1x: 1.01 ms (baseline: 1.89 ms, -46.5%) ✓ scaling.none.2x: 13.89 ms (baseline: 28.10 ms, -50.6%) ✓ scaling.movingAvg.2x: 1.73 ms (baseline: 2.31 ms, -25.1%) ✓ scaling.rdp.2x: 924.9 µs (baseline: 1.53 ms, -39.5%) scaling.none.5x: 33.99 ms (baseline: 32.69 ms, +4.0%) ✓ scaling.movingAvg.5x: 2.23 ms (baseline: 3.83 ms, -41.9%) ✓ scaling.rdp.5x: 1.76 ms (baseline: 2.80 ms, -37.0%) ⚠️ scaling.none.10x: 87.97 ms (baseline: 52.78 ms, +66.7%) scaling.movingAvg.10x: 6.79 ms (baseline: 6.86 ms, -0.9%) scaling.rdp.10x: 3.66 ms (baseline: 3.80 ms, -3.8%) ✓ scaling.none.20x: 129.09 ms (baseline: 152.24 ms, -15.2%) ✓ scaling.movingAvg.20x: 11.66 ms (baseline: 15.40 ms, -24.3%) ✓ scaling.rdp.20x: 8.01 ms (baseline: 14.64 ms, -45.3%) scaling.none.50x: 323.20 ms (baseline: 304.59 ms, +6.1%) ✓ scaling.movingAvg.50x: 39.99 ms (baseline: 72.62 ms, -44.9%) scaling.rdp.50x: 25.57 ms (baseline: 24.80 ms, +3.1%) ✓ multiseries.movingAvg.1series: 8.18 ms (baseline: 22.23 ms, -63.2%) ✓ multiseries.rdp.1series: 4.92 ms (baseline: 9.87 ms, -50.2%) multiseries.movingAvg.2series: 9.68 ms (baseline: 10.63 ms, -9.0%) ⚠️ multiseries.rdp.2series: 39.11 ms (baseline: 17.96 ms, +117.7%) ✓ multiseries.movingAvg.3series: 20.78 ms (baseline: 35.69 ms, -41.8%) ⚠️ multiseries.rdp.3series: 28.47 ms (baseline: 16.06 ms, +77.3%) ✓ multiseries.movingAvg.5series: 22.42 ms (baseline: 34.25 ms, -34.5%) multiseries.rdp.5series: 25.53 ms (baseline: 25.77 ms, -0.9%) 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: 45.45 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: 0.026 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: 0.047 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: 18.95 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: 01:17 min [INFO] Finished at: 2026-07-25T01:45:50Z [INFO] ------------------------------------------------------------------------