asmhatreandClaude Sonnet 5.5
df13a904d7
Spring Boot 4.1.1 harness measuring first-response time versus initial heap size and a 20,000-request warmup. Shows -XX:+ZAdaptiveHeapSizing is not yet in any build. Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01WzVQ6zFh9cuLPj9RSbRH8U
19 lines
916 B
Bash
Executable File
19 lines
916 B
Bash
Executable File
#!/usr/bin/env bash
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# Usage: warmup.sh <java-home> <label> [jvm args...]
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# Starts the server, waits for the first response, then runs Warmup.java (always on the same
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# client JDK, JDK_CLIENT) so only the server JVM changes between runs.
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set -u
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JH=$1; LABEL=$2; shift 2
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HERE="$(cd "$(dirname "$0")" && pwd)"
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JAR="$HERE/../target/jdk28-zgc-1.0.0.jar"
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PORT=${PORT:-18080}
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CLIENT=${JDK_CLIENT:-$JH}
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"$JH/bin/java" "$@" -jar "$JAR" --server.port=$PORT --spring.main.banner-mode=off \
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--logging.level.root=WARN > /dev/null 2>&1 &
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PID=$!
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until [ "$(curl -s -o /dev/null -m 1 -w '%{http_code}' localhost:$PORT/hello)" = 200 ]; do sleep 0.02; done
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echo "== $LABEL"
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"$CLIENT/bin/java" "$HERE/Warmup.java" $PORT 2>&1 | grep -v Picked
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curl -s "localhost:$PORT/heap" | sed -n 's/.*"committedMiB":\([0-9]*\),"maxMiB":\([0-9]*\).*/committed after load: \1 MiB (max \2 MiB)/p'; echo
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kill $PID 2>/dev/null; wait $PID 2>/dev/null
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