[root@dal05mgo05 ~]# free -m
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total used free shared buffers cached
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Mem: 32073 31880 193 0 26 30642
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-/+ buffers/cache: 1212 30861
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Swap: 4095 0 4095
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[root@dal05mgo05 ~]# cat /proc/meminfo |egrep -i mapped
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Mapped: 7100988 kB
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[root@dal05mgo05 ~]# mongostat -ucaoqing -p
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connected to: 127.0.0.1
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Enter password:
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insert query update delete getmore command flushes mapped vsize res faults locked db idx miss % qr|qw ar|aw netIn netOut conn set repl time
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1 74 11 *0 33 43|0 0 231g 463g 8.03g 779 PCMDB:0.0% 0 0|0 8|0 54k 33m 152 rs_main PRI 04:36:02
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*0 85 16 *0 44 25|0 0 231g 463g 7.96g 848 PCMDB:0.9% 0 5|0 8|1 52k 25m 152 rs_main PRI 04:36:03
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1 98 20 *0 51 32|0 0 231g 463g 8.01g 571 PCMDB:2.0% 0 0|0 8|0 76k 25m 153 rs_main PRI 04:36:04
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*0 106 24 *0 68 41|0 0 231g 463g 8.02g 572 PCMDB:3.1% 0 0|0 8|0 88k 25m 152 rs_main PRI 04:36:05
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2 78 23 *0 70 43|0 0 231g 463g 8.1g 677 PCMDB:1.3% 0 2|0 8|1 84k 25m 152 rs_main PRI 04:36:06
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*0 72 11 *0 33 29|0 0 231g 463g 8.11g 572 PCMDB:3.1% 0 17|0 9|0 43k 33m 152 rs_main PRI 04:36:07
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[root@dal05mgo05 ~]# top
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top - 04:38:51 up 374 days, 4:03, 4 users, load average: 7.99, 10.88, 10.03
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Tasks: 576 total, 1 running, 575 sleeping, 0 stopped, 0 zombie
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Cpu(s): 1.6%us, 0.3%sy, 0.0%ni, 92.3%id, 5.7%wa, 0.0%hi, 0.0%si, 0.0%st
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Mem: 32843352k total, 32636324k used, 207028k free, 31612k buffers
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Swap: 4194296k total, 0k used, 4194296k free, 31375100k cached
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PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
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13425 mongod 20 0 463g 6.8g 6.6g S 59.3 21.7 71:08.37 mongod
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467 root 39 19 0 0 0 S 1.0 0.0 5748:27 kipmi0
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25647 root 20 0 19692 1764 1032 R 0.7 0.0 0:00.07 top
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354 root 20 0 0 0 0 S 0.3 0.0 227:24.17 kswapd0
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355 root 20 0 0 0 0 S 0.3 0.0 228:56.67 kswapd1
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2380 root 20 0 0 0 0 S 0.3 0.0 264:08.46 jbd2/sda5
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