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采样第二组对照：连「写大文件」也不是充分因（本轮写了 135KB+146KB，内存峰值仅 260MB 且被 GC 收回）⇒ 定性修正为「高振幅锯齿 + 回收时机随机」；三次观测并排入库

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WorkBuddy committed 2026-10-09 06:44:31 +08:00
1 parent add273fc22
commit b1986695b3
4 files changed
+56 -2
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tmp/mem-watch-20261009.csv
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# sampling start 2026-10-09 06:38:38
06:38:38,pid=73936,heap=191MB,heapTotal=244MB,rss=450MB,received=452194,immediateSent=8307
06:38:58,pid=73936,heap=193MB,heapTotal=290MB,rss=501MB,received=466340,immediateSent=8395
06:39:18,pid=73936,heap=193MB,heapTotal=290MB,rss=501MB,received=466340,immediateSent=8395
06:39:38,pid=73936,heap=193MB,heapTotal=290MB,rss=501MB,received=466340,immediateSent=8395
06:39:58,pid=73936,heap=260MB,heapTotal=307MB,rss=524MB,received=479545,immediateSent=8566
06:40:18,pid=73936,heap=260MB,heapTotal=307MB,rss=524MB,received=479545,immediateSent=8566
06:40:38,pid=73936,heap=260MB,heapTotal=307MB,rss=524MB,received=479545,immediateSent=8566
06:40:58,pid=73936,heap=196MB,heapTotal=244MB,rss=443MB,received=489195,immediateSent=8668
06:41:18,pid=73936,heap=196MB,heapTotal=244MB,rss=443MB,received=489195,immediateSent=8668
06:41:38,pid=73936,heap=196MB,heapTotal=244MB,rss=443MB,received=489195,immediateSent=8668
06:41:58,pid=73936,heap=199MB,heapTotal=237MB,rss=450MB,received=492667,immediateSent=8726
06:42:18,pid=73936,heap=199MB,heapTotal=237MB,rss=450MB,received=492667,immediateSent=8726
06:42:38,pid=73936,heap=199MB,heapTotal=237MB,rss=450MB,received=492667,immediateSent=8726
06:42:58,pid=73936,heap=205MB,heapTotal=239MB,rss=450MB,received=494281,immediateSent=8743
06:43:18,pid=73936,heap=205MB,heapTotal=239MB,rss=450MB,received=494281,immediateSent=8743
# sampling end 2026-10-09 06:43:38
1 # sampling start 2026-10-09 06:38:38
2 06:38:38,pid=73936,heap=191MB,heapTotal=244MB,rss=450MB,received=452194,immediateSent=8307
3 06:38:58,pid=73936,heap=193MB,heapTotal=290MB,rss=501MB,received=466340,immediateSent=8395
4 06:39:18,pid=73936,heap=193MB,heapTotal=290MB,rss=501MB,received=466340,immediateSent=8395
5 06:39:38,pid=73936,heap=193MB,heapTotal=290MB,rss=501MB,received=466340,immediateSent=8395
6 06:39:58,pid=73936,heap=260MB,heapTotal=307MB,rss=524MB,received=479545,immediateSent=8566
7 06:40:18,pid=73936,heap=260MB,heapTotal=307MB,rss=524MB,received=479545,immediateSent=8566
8 06:40:38,pid=73936,heap=260MB,heapTotal=307MB,rss=524MB,received=479545,immediateSent=8566
9 06:40:58,pid=73936,heap=196MB,heapTotal=244MB,rss=443MB,received=489195,immediateSent=8668
10 06:41:18,pid=73936,heap=196MB,heapTotal=244MB,rss=443MB,received=489195,immediateSent=8668
11 06:41:38,pid=73936,heap=196MB,heapTotal=244MB,rss=443MB,received=489195,immediateSent=8668
12 06:41:58,pid=73936,heap=199MB,heapTotal=237MB,rss=450MB,received=492667,immediateSent=8726
13 06:42:18,pid=73936,heap=199MB,heapTotal=237MB,rss=450MB,received=492667,immediateSent=8726
14 06:42:38,pid=73936,heap=199MB,heapTotal=237MB,rss=450MB,received=492667,immediateSent=8726
15 06:42:58,pid=73936,heap=205MB,heapTotal=239MB,rss=450MB,received=494281,immediateSent=8743
16 06:43:18,pid=73936,heap=205MB,heapTotal=239MB,rss=450MB,received=494281,immediateSent=8743
17 # sampling end 2026-10-09 06:43:38