Claude
e83c9949d8
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
42 lines
1.1 KiB
Plaintext
42 lines
1.1 KiB
Plaintext
$ curl -s -w ' [HTTP %{http_code}]\n' localhost:18081/memory
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java.version=27
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UseCompactObjectHeaders=true
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collectors=[G1 Young Generation, G1 Concurrent GC, G1 Old Generation]
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availableProcessors=2
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maxHeapMB=1024
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products=0
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heapLiveAfterGcMB=12
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heapCommittedMB=1024
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rssMB=238
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gcCountTotal=7
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gcMillisTotal=121
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[HTTP 200]
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$ curl -s -w ' [HTTP %{http_code}]\n' localhost:18081/load?n=2000000
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loaded=2000000
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loadMillis=237
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gcCountDuringLoad=0
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gcMillisDuringLoad=0
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[HTTP 200]
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$ curl -s -w ' [HTTP %{http_code}]\n' localhost:18081/memory
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java.version=27
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UseCompactObjectHeaders=true
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collectors=[G1 Young Generation, G1 Concurrent GC, G1 Old Generation]
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availableProcessors=2
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maxHeapMB=1024
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products=2000000
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heapLiveAfterGcMB=272
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heapCommittedMB=1024
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rssMB=417
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gcCountTotal=9
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gcMillisTotal=626
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[HTTP 200]
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$ curl -s -w ' [HTTP %{http_code}]\n' localhost:18081/products/42
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{"id":42,"priceCents":142,"stock":42,"active":true,"sku":"SKU-100000042"} [HTTP 200]
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$ curl -s -w ' [HTTP %{http_code}]\n' localhost:18081/products/2000000
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{"timestamp":"2026-09-24T14:57:54.671Z","status":404,"error":"Not Found","path":"/products/2000000"} [HTTP 404]
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