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标题:
maxdsiz maxtsiz maxssiz 这些规划的段内存是存储在什么物理介质上的??
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作者:
nana1983
时间:
2008-06-17 16:49
标题:
maxdsiz maxtsiz maxssiz 这些规划的段内存是存储在什么物理介质上的??
我有一台机器 内存4G
top结果如下:
res 加起来是2.6G 和glance看到的user 内存相等.
size是存放程序,堆栈,数据段的内容.有内核参数maxdsiz maxtsize maxssiz控制.
物理内存561给系统,buff 几百m 再加2.6Gjava程序已经用完了.
swap总共用了600多M.
top中看到的几个java程序的size加起来差不多6.5G 那这些数据是存放在什么介质上的?
===================top================================
Load averages: 0.06, 0.32, 0.56
145 processes: 131 sleeping, 13 running, 1 zombie
Cpu states:
CPU LOAD USER NICE SYS IDLE BLOCK SWAIT INTR SSYS
0 0.06 1.0% 0.0% 1.0% 98.0% 0.0% 0.0% 0.0% 0.0%
1 0.05 0.0% 0.0% 0.0% 100.0% 0.0% 0.0% 0.0% 0.0%
--- ---- ----- ----- ----- ----- ----- ----- ----- -----
avg 0.06 0.0% 0.0% 0.0% 100.0% 0.0% 0.0% 0.0% 0.0%
Memory: 2725404K (2695556K) real, 6794240K (6659532K) virtual, 297780K free Page# 1/3
CPU TTY PID USERNAME PRI NI SIZE RES STATE TIME %WCPU %CPU COMMAND
0 ? 1851 gcc 152 20 2544M 881M run 53:12 4.22 4.21 java
1 ? 1910 gcc 152 20 2817M 1341M run 37:28 2.55 2.54 java
0 pts/td 15465 gcc 152 20 434M 138M run 4:13 1.39 1.38 java
0 ? 1777 gcc 152 20 431M 135M run 4:33 0.67 0.67 java
0 ? 1307 gcc 152 20 427M 126M run 3:22 0.59 0.59 java
1 ? 35 root 152 20 7584K 7584K run 1:35 0.39 0.39 vxfsd
===================swapinfo===========================
bash-2.04# swapinfo
Kb Kb Kb PCT START/ Kb
TYPE AVAIL USED FREE USED LIMIT RESERVE PRI NAME
dev 4194304 39016 4155288 1% 0 - 1 /dev/vg00/lvol2
dev 4194304 37924 4156380 1% 0 - 1 /dev/vg00/lvol11
reserve - 3271520 -3271520
memory 3149528 695848 2453680 22%
===================glance============================
------------------------------------------------------------------------------------------------------------------------------------
CPU Util A | 1% 1% 1%
Disk Util F F | 4% 4% 4%
Mem Util S SU UB B | 93% 93% 93%
Swap Util U UR R | 35% 35% 35%
------------------------------------------------------------------------------------------------------------------------------------
MEMORY REPORT Users= 2
Event Current Cumulative Current Rate Cum Rate High Rate
--------------------------------------------------------------------------------
Page Faults 132 132 188.5 188.5 188.5
Page In 90 90 128.5 128.5 128.5
Page Out 0 0 0.0 0.0 0.0
KB Paged In 0kb 0kb 0.0 0.0 0.0
KB Paged Out 0kb 0kb 0.0 0.0 0.0
Reactivations 0 0 0.0 0.0 0.0
Deactivations 0 0 0.0 0.0 0.0
KB Deactivated 0kb 0kb 0.0 0.0 0.0
VM Reads 0 0 0.0 0.0 0.0
VM Writes 0 0 0.0 0.0 0.0
Total VM : 6.45gb Sys Mem : 561.5mb User Mem: 2.65gb Phys Mem: 4.00gb
Active VM: 6.32gb Buf Cache: 528.9mb Free Mem: 293.3mb
===================================================================
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本帖最后由 nana1983 于 2008-6-17 17:17 编辑
]
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