asmhatre
c7eccd1db5
Custom OrderProcessed event, CPU/allocation/lock workloads, a diagnostic endpoint over the JVM's live FlightRecorder state, a JUnit test using the jdk.jfr.Recording API, and nine captured recordings (flagship, mid-flight snapshot, isolated vs concurrent threshold comparisons, and a real dump+stop duplication bug) with their docs/output/*.txt transcripts.
40 lines
1.1 KiB
Bash
Executable File
40 lines
1.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Generates the same real load used to produce docs/output/*.txt against a
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# running instance of the app (localhost:8080 by default).
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#
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# Usage: scripts/load.sh {cpu|alloc|lock|orders|all}
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set -euo pipefail
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HOST="${HOST:-localhost:8080}"
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cpu() {
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echo "6 concurrent fibonacci(38) calls..."
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for i in 1 2 3 4 5 6; do curl -s "$HOST/api/cpu/fibonacci?n=38" -o /dev/null & done
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wait
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}
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alloc() {
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echo "3 concurrent allocation-churn calls..."
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for i in 1 2 3; do curl -s "$HOST/api/alloc/churn?iterations=400000" -o /dev/null & done
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wait
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}
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lock() {
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echo "one 16-worker, 20ms-hold lock-contention burst..."
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curl -s "$HOST/api/lock/contend?workers=16&holdMillis=20"; echo
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}
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orders() {
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echo "60 order-processing calls (custom JFR event)..."
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for i in $(seq 1 60); do curl -s "$HOST/api/orders/process?items=$((3 + i % 5))" -o /dev/null; done
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echo "done"
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}
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case "${1:-all}" in
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cpu) cpu ;;
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alloc) alloc ;;
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lock) lock ;;
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orders) orders ;;
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all) cpu; alloc; lock; orders ;;
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*) echo "usage: $0 {cpu|alloc|lock|orders|all}" >&2; exit 1 ;;
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esac
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