Spring Boot 4.1.1 catalog service measured on JDK 25, 26 and 27: live heap 320 MB to 273 MB with compact headers, per-class bytes per instance, container-sizing sweeps with real cgroup limits, 1-CPU Serial vs G1 with Native Memory Tracking, removed flags (MaxRAM, UseCompressedClassPointers), and a kernel OOM-kill check. Outputs in jdk27-memory/output. Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01TF9JWFvJSNm6HVzswzZU5a
16 lines
756 B
Bash
16 lines
756 B
Bash
#!/usr/bin/env bash
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# A transcript of the service's own endpoints on JDK 27, so the post can show what a request and the
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# /memory report look like. Port 18081 is fixed so the transcript reads the same every time.
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source "$(dirname "$0")/lib.sh"
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PORT=18081
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"$JDK27/bin/java" -Xms1g -Xmx1g -jar "$JAR" --server.port=$PORT >/dev/null 2>&1 &
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PID=$!
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for _ in $(seq 1 200); do curl -sf "localhost:$PORT/ping" >/dev/null 2>&1 && break; sleep 0.25; done
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for path in "/memory" "/load?n=2000000" "/memory" "/products/42" "/products/2000000"; do
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echo "\$ curl -s -w ' [HTTP %{http_code}]\n' localhost:$PORT$path"
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curl -s -w ' [HTTP %{http_code}]\n' "localhost:$PORT$path" | sed 's/^ \[HTTP/[HTTP/'
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echo
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done
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kill $PID 2>/dev/null; wait $PID 2>/dev/null
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exit 0
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