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: 2.748 s [INFO] Finished at: 2026-08-07T17:02:22Z [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: 2.662 s [INFO] Finished at: 2026-08-07T17:02:28Z [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 6.8.0-136-generic Java: 25 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-08-07T15:53:25.122856644Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 17:03:09.454 [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 | 5.82 ms | 3.57 ms | 2.62 ms 1,000 | 4.20 ms | 1.55 ms | 3.51 ms 10,000 | 32.21 ms | 8.42 ms | 13.66 ms 49,871 | 38.04 ms | 7.25 ms | 67.04 ms 97,643 | 35.87 ms | 7.47 ms | 8.43 ms 495,995 | 233.91 ms | 71.73 ms | 38.38 ms 944,282 | 522.98 ms | 182.67 ms | 111.07 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 | 458.8 µs | 785.1 µs | 1.24 ms 10,000 | 1.81 ms | 670.1 µs | 2.48 ms 50,000 | 8.16 ms | 2.55 ms | 10.71 ms 100,000 | 10.44 ms | 1.19 ms | 11.63 ms 500,000 | 18.86 ms | 670.7 µs | 19.53 ms 948,423 | 85.66 ms | 1.87 ms | 87.53 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 | 8.58 ms ( 1.1x) | 2.20 ms ( 1.2x) | 2.12 ms ( 1.0x) 2x | 19,996 | 14.09 ms ( 1.7x) | 2.30 ms ( 1.2x) | 1.65 ms ( 0.8x) 5x | 49,871 | 24.09 ms ( 3.0x) | 5.39 ms ( 2.9x) | 4.16 ms ( 2.0x) 10x | 97,643 | 42.90 ms ( 5.3x) | 4.37 ms ( 2.4x) | 7.68 ms ( 3.7x) 20x | 196,569 | 184.14 ms (22.8x) | 22.86 ms (12.4x) | 22.36 ms (10.7x) 50x | 495,995 | 236.73 ms (29.3x) | 63.10 ms (34.1x) | 43.19 ms (20.6x) 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 | 186.3 µs | 5 | 1.02 ms 10,000 | 5 | 925.2 µs | 5 | 1.41 ms 97,643 | 5 | 5.10 ms | 5 | 7.15 ms 495,995 | 5 | 28.58 ms | 5 | 82.75 ms 944,282 | 5 | 111.70 ms | 5 | 66.10 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 | 4.92 ms | 3.80 ms 2 | 11.09 ms | 21.10 ms 3 | 27.39 ms | 23.07 ms 5 | 27.64 ms | 41.73 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 5.82 ms (baseline: 1.14 ms, +411.6%) ⚠️ sparkline.movingAvg.100: 3.57 ms (baseline: 1.44 ms, +148.4%) ⚠️ sparkline.rdp.100: 2.62 ms (baseline: 846.3 µs, +209.3%) ⚠️ sparkline.none.1000: 4.20 ms (baseline: 2.32 ms, +80.8%) sparkline.movingAvg.1000: 1.55 ms (baseline: 1.32 ms, +17.1%) ⚠️ sparkline.rdp.1000: 3.51 ms (baseline: 1.39 ms, +153.0%) ⚠️ sparkline.none.10000: 32.21 ms (baseline: 10.34 ms, +211.3%) ⚠️ sparkline.movingAvg.10000: 8.42 ms (baseline: 2.44 ms, +245.0%) ⚠️ sparkline.rdp.10000: 13.66 ms (baseline: 3.73 ms, +266.6%) ⚠️ sparkline.none.50000: 38.04 ms (baseline: 23.95 ms, +58.8%) ⚠️ sparkline.movingAvg.50000: 7.25 ms (baseline: 2.81 ms, +158.1%) ⚠️ sparkline.rdp.50000: 67.04 ms (baseline: 14.86 ms, +351.0%) ✓ sparkline.none.100000: 35.87 ms (baseline: 40.64 ms, -11.7%) ⚠️ sparkline.movingAvg.100000: 7.47 ms (baseline: 5.63 ms, +32.7%) ✓ sparkline.rdp.100000: 8.43 ms (baseline: 13.60 ms, -38.0%) ⚠️ sparkline.none.500000: 233.91 ms (baseline: 194.13 ms, +20.5%) ⚠️ sparkline.movingAvg.500000: 71.73 ms (baseline: 38.43 ms, +86.7%) ⚠️ sparkline.rdp.500000: 38.38 ms (baseline: 31.02 ms, +23.7%) ⚠️ sparkline.none.948423: 522.98 ms (baseline: 355.33 ms, +47.2%) ⚠️ sparkline.movingAvg.948423: 182.67 ms (baseline: 92.33 ms, +97.8%) ⚠️ sparkline.rdp.948423: 111.07 ms (baseline: 49.63 ms, +123.8%) windrose.aggregation.1000: 458.8 µs (baseline: 475.0 µs, -3.4%) windrose.draw.1000: 785.1 µs (baseline: 719.2 µs, +9.2%) windrose.aggregation.10000: 1.81 ms (baseline: 1.71 ms, +5.8%) windrose.draw.10000: 670.1 µs (baseline: 608.0 µs, +10.2%) windrose.aggregation.50000: 8.16 ms (baseline: 8.33 ms, -2.0%) ⚠️ windrose.draw.50000: 2.55 ms (baseline: 665.4 µs, +283.3%) ⚠️ windrose.aggregation.100000: 10.44 ms (baseline: 4.07 ms, +156.4%) ⚠️ windrose.draw.100000: 1.19 ms (baseline: 536.8 µs, +121.9%) windrose.aggregation.500000: 18.86 ms (baseline: 19.27 ms, -2.1%) ⚠️ windrose.draw.500000: 670.7 µs (baseline: 516.0 µs, +30.0%) ⚠️ windrose.aggregation.948423: 85.66 ms (baseline: 37.47 ms, +128.6%) ⚠️ windrose.draw.948423: 1.87 ms (baseline: 540.8 µs, +246.2%) ⚠️ scaling.none.1x: 8.58 ms (baseline: 4.23 ms, +102.7%) ⚠️ scaling.movingAvg.1x: 2.20 ms (baseline: 674.8 µs, +226.5%) ⚠️ scaling.rdp.1x: 2.12 ms (baseline: 637.1 µs, +233.3%) ⚠️ scaling.none.2x: 14.09 ms (baseline: 7.58 ms, +85.8%) ⚠️ scaling.movingAvg.2x: 2.30 ms (baseline: 1.09 ms, +111.2%) ⚠️ scaling.rdp.2x: 1.65 ms (baseline: 976.9 µs, +69.1%) ⚠️ scaling.none.5x: 24.09 ms (baseline: 17.13 ms, +40.7%) ⚠️ scaling.movingAvg.5x: 5.39 ms (baseline: 2.69 ms, +100.6%) ⚠️ scaling.rdp.5x: 4.16 ms (baseline: 2.37 ms, +75.3%) ⚠️ scaling.none.10x: 42.90 ms (baseline: 30.87 ms, +39.0%) scaling.movingAvg.10x: 4.37 ms (baseline: 4.83 ms, -9.5%) ⚠️ scaling.rdp.10x: 7.68 ms (baseline: 4.22 ms, +82.1%) ⚠️ scaling.none.20x: 184.14 ms (baseline: 74.73 ms, +146.4%) ⚠️ scaling.movingAvg.20x: 22.86 ms (baseline: 9.07 ms, +152.1%) ⚠️ scaling.rdp.20x: 22.36 ms (baseline: 9.61 ms, +132.6%) ⚠️ scaling.none.50x: 236.73 ms (baseline: 174.11 ms, +36.0%) ⚠️ scaling.movingAvg.50x: 63.10 ms (baseline: 36.03 ms, +75.1%) ✓ scaling.rdp.50x: 43.19 ms (baseline: 72.35 ms, -40.3%) multiseries.movingAvg.1series: 4.92 ms (baseline: 4.64 ms, +6.1%) ✓ multiseries.rdp.1series: 3.80 ms (baseline: 5.72 ms, -33.5%) multiseries.movingAvg.2series: 11.09 ms (baseline: 11.09 ms, -0.0%) ⚠️ multiseries.rdp.2series: 21.10 ms (baseline: 13.59 ms, +55.3%) ⚠️ multiseries.movingAvg.3series: 27.39 ms (baseline: 16.47 ms, +66.3%) multiseries.rdp.3series: 23.07 ms (baseline: 21.36 ms, +8.0%) ⚠️ multiseries.movingAvg.5series: 27.64 ms (baseline: 21.80 ms, +26.8%) ⚠️ multiseries.rdp.5series: 41.73 ms (baseline: 32.97 ms, +26.6%) 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: 43.75 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: 0.040 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: 0.035 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: 20.19 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: 2026-08-07T17:03:56Z [INFO] ------------------------------------------------------------------------