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系统慢,什么现象才算是内存不足,需要扩内存.请高手指教!
# vmstat 2 10
kthr memory page faults cpu
----- ----------- ------------------------ ------------ -----------
r b avm fre re pi po fr sr cy in sy cs us sy id wa
0 1 473910 17344 0 0 1 20 98 0 417 1056 283 12 1 78 9
1 3 473920 17341 0 0 0 0 0 0 1438 14230 3268 60 2 7 31
0 3 473932 17358 0 0 0 0 0 0 1723 3883 1438 17 2 36 45
0 3 473944 17377 0 0 0 0 0 0 1616 1863 723 3 2 49 46
0 3 473955 17374 0 0 0 0 0 0 1648 1853 791 1 2 46 50
0 3 473965 17644 0 0 0 0 0 0 1721 1828 743 2 0 49 49
0 3 473978 17637 0 0 0 0 0 0 1646 2357 966 2 2 48 48
0 3 473992 17623 0 0 0 0 0 0 1799 2297 1009 2 0 50 48
0 3 474024 17599 0 0 0 0 0 0 2106 3469 1532 5 2 46 46
0 3 474066 17557 0 0 0 0 0 0 2009 3536 1612 9 4 45 42 |
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