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: 2.767 s [INFO] Finished at: 2026-07-21T01:44:26Z [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: 2.007 s [INFO] Finished at: 2026-07-21T01:44:31Z [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: 2026-07-21T00:30:25.345706645Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 01:45:08.628 [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 | 3.20 ms | 3.74 ms | 1.58 ms 1,000 | 6.61 ms | 3.52 ms | 2.45 ms 10,000 | 12.86 ms | 3.44 ms | 10.33 ms 49,871 | 43.81 ms | 6.40 ms | 22.48 ms 97,643 | 130.11 ms | 5.24 ms | 19.12 ms 495,995 | 344.29 ms | 50.45 ms | 36.74 ms 944,282 | 648.89 ms | 122.58 ms | 138.31 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 | 436.5 µs | 5.59 ms | 6.02 ms 10,000 | 12.59 ms | 903.9 µs | 13.49 ms 50,000 | 24.53 ms | 1.86 ms | 26.39 ms 100,000 | 9.51 ms | 2.12 ms | 11.63 ms 500,000 | 47.26 ms | 775.3 µs | 48.03 ms 948,423 | 87.93 ms | 639.0 µs | 88.57 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 | 6.90 ms ( 0.5x) | 1.20 ms ( 0.9x) | 540.1 µs ( 0.4x) 2x | 19,996 | 12.20 ms ( 0.9x) | 2.61 ms ( 2.0x) | 1.91 ms ( 1.4x) 5x | 49,871 | 39.16 ms ( 3.0x) | 4.73 ms ( 3.6x) | 3.17 ms ( 2.2x) 10x | 97,643 | 56.90 ms ( 4.4x) | 4.96 ms ( 3.8x) | 3.56 ms ( 2.5x) 20x | 196,569 | 121.34 ms ( 9.4x) | 18.05 ms (13.7x) | 16.81 ms (11.9x) 50x | 495,995 | 284.93 ms (22.2x) | 38.52 ms (29.2x) | 30.70 ms (21.8x) 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 | 181.4 µs | 5 | 225.9 µs 10,000 | 5 | 1.39 ms | 5 | 1.09 ms 97,643 | 5 | 5.88 ms | 5 | 4.86 ms 495,995 | 5 | 71.67 ms | 5 | 44.17 ms 944,282 | 5 | 121.50 ms | 5 | 81.90 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 | 8.94 ms | 3.53 ms 2 | 12.34 ms | 10.57 ms 3 | 13.81 ms | 15.01 ms 5 | 30.09 ms | 39.51 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 3.20 ms (baseline: 6.99 ms, -54.3%) ✓ sparkline.movingAvg.100: 3.74 ms (baseline: 6.75 ms, -44.6%) ✓ sparkline.rdp.100: 1.58 ms (baseline: 4.67 ms, -66.1%) ✓ sparkline.none.1000: 6.61 ms (baseline: 13.12 ms, -49.7%) ⚠️ sparkline.movingAvg.1000: 3.52 ms (baseline: 1.69 ms, +108.0%) ⚠️ sparkline.rdp.1000: 2.45 ms (baseline: 1.34 ms, +83.1%) ✓ sparkline.none.10000: 12.86 ms (baseline: 15.55 ms, -17.3%) ⚠️ sparkline.movingAvg.10000: 3.44 ms (baseline: 2.79 ms, +23.4%) sparkline.rdp.10000: 10.33 ms (baseline: 11.43 ms, -9.6%) sparkline.none.50000: 43.81 ms (baseline: 39.16 ms, +11.9%) sparkline.movingAvg.50000: 6.40 ms (baseline: 6.81 ms, -6.1%) ✓ sparkline.rdp.50000: 22.48 ms (baseline: 56.12 ms, -59.9%) ⚠️ sparkline.none.100000: 130.11 ms (baseline: 75.58 ms, +72.2%) ✓ sparkline.movingAvg.100000: 5.24 ms (baseline: 17.06 ms, -69.3%) sparkline.rdp.100000: 19.12 ms (baseline: 18.54 ms, +3.1%) ✓ sparkline.none.500000: 344.29 ms (baseline: 436.92 ms, -21.2%) ✓ sparkline.movingAvg.500000: 50.45 ms (baseline: 87.70 ms, -42.5%) ✓ sparkline.rdp.500000: 36.74 ms (baseline: 70.01 ms, -47.5%) sparkline.none.948423: 648.89 ms (baseline: 690.74 ms, -6.1%) sparkline.movingAvg.948423: 122.58 ms (baseline: 112.00 ms, +9.4%) sparkline.rdp.948423: 138.31 ms (baseline: 134.32 ms, +3.0%) ✓ windrose.aggregation.1000: 436.5 µs (baseline: 7.97 ms, -94.5%) ⚠️ windrose.draw.1000: 5.59 ms (baseline: 1.28 ms, +336.8%) ⚠️ windrose.aggregation.10000: 12.59 ms (baseline: 2.19 ms, +475.8%) ✓ windrose.draw.10000: 903.9 µs (baseline: 1.63 ms, -44.4%) ⚠️ windrose.aggregation.50000: 24.53 ms (baseline: 9.79 ms, +150.5%) ⚠️ windrose.draw.50000: 1.86 ms (baseline: 838.3 µs, +122.2%) ✓ windrose.aggregation.100000: 9.51 ms (baseline: 21.07 ms, -54.9%) ⚠️ windrose.draw.100000: 2.12 ms (baseline: 1.43 ms, +48.8%) ✓ windrose.aggregation.500000: 47.26 ms (baseline: 67.20 ms, -29.7%) ✓ windrose.draw.500000: 775.3 µs (baseline: 2.16 ms, -64.0%) ⚠️ windrose.aggregation.948423: 87.93 ms (baseline: 62.48 ms, +40.7%) ✓ windrose.draw.948423: 639.0 µs (baseline: 789.3 µs, -19.0%) scaling.none.1x: 6.90 ms (baseline: 6.62 ms, +4.1%) ✓ scaling.movingAvg.1x: 1.20 ms (baseline: 1.43 ms, -16.1%) ✓ scaling.rdp.1x: 540.1 µs (baseline: 725.9 µs, -25.6%) ✓ scaling.none.2x: 12.20 ms (baseline: 20.53 ms, -40.6%) ✓ scaling.movingAvg.2x: 2.61 ms (baseline: 4.31 ms, -39.4%) ✓ scaling.rdp.2x: 1.91 ms (baseline: 3.62 ms, -47.3%) ✓ scaling.none.5x: 39.16 ms (baseline: 67.45 ms, -41.9%) ✓ scaling.movingAvg.5x: 4.73 ms (baseline: 5.65 ms, -16.3%) ✓ scaling.rdp.5x: 3.17 ms (baseline: 6.34 ms, -50.1%) scaling.none.10x: 56.90 ms (baseline: 59.41 ms, -4.2%) ✓ scaling.movingAvg.10x: 4.96 ms (baseline: 7.06 ms, -29.7%) ✓ scaling.rdp.10x: 3.56 ms (baseline: 8.60 ms, -58.6%) ✓ scaling.none.20x: 121.34 ms (baseline: 157.26 ms, -22.8%) scaling.movingAvg.20x: 18.05 ms (baseline: 15.77 ms, +14.4%) ⚠️ scaling.rdp.20x: 16.81 ms (baseline: 8.07 ms, +108.2%) scaling.none.50x: 284.93 ms (baseline: 303.20 ms, -6.0%) ✓ scaling.movingAvg.50x: 38.52 ms (baseline: 73.49 ms, -47.6%) ✓ scaling.rdp.50x: 30.70 ms (baseline: 76.70 ms, -60.0%) ✓ multiseries.movingAvg.1series: 8.94 ms (baseline: 18.52 ms, -51.7%) ✓ multiseries.rdp.1series: 3.53 ms (baseline: 6.48 ms, -45.5%) ✓ multiseries.movingAvg.2series: 12.34 ms (baseline: 14.54 ms, -15.1%) ✓ multiseries.rdp.2series: 10.57 ms (baseline: 12.00 ms, -12.0%) ✓ multiseries.movingAvg.3series: 13.81 ms (baseline: 18.52 ms, -25.4%) ✓ multiseries.rdp.3series: 15.01 ms (baseline: 25.72 ms, -41.6%) ✓ multiseries.movingAvg.5series: 30.09 ms (baseline: 41.79 ms, -28.0%) ⚠️ multiseries.rdp.5series: 39.51 ms (baseline: 32.76 ms, +20.6%) 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: 45.11 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: 0.030 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: 0.034 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: 19.99 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: 2026-07-21T01:45:57Z [INFO] ------------------------------------------------------------------------