知识大全 如何察看Oracle进程消耗的内存

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如何察看Oracle进程消耗的内存  以下文字资料是由(全榜网网www.cha138.com)小编为大家搜集整理后发布的内容，让我们赶快一起来看一下吧！

　　经常有人问到如何在Unix下确定进程消耗的内存资源 以及为何Top工具的显示非常高 有人说Top的输出不精确 这种说法是不确切的 实际上是Top输出显示的Oracle进程内存使用 包含了SGA部分 这也是SGA的意义所在 SGA可以被共享 可以被所有进程所访问 在进程的寻址空间里就包含了SGA的大小

　　至于如何更为精确的确定进程的内存消耗 本文简要介绍如下（在QuickIO下 你可能无法看到本文描述情况）

　　 系统平台及数据库版本

　　$ uname aSunOS billing Generic_ sun u sparc SUNW Ultra

　　Sun Microsystems Inc    SunOS        Generic Patch   October $ sqlplus / as sysdba

　　SQL*Plus: Release Production on Sun Nov : :

　　Copyright (c) Oracle Corporation   All rights reserved

　　Connected to:Oracle i Enterprise Edition Release bit ProductionWith the Partitioning OLAP and Oracle Data Mining optionsJServer Release Production

　　SQL> select * from v$version;

　　BANNER Oracle i Enterprise Edition Release bit ProductionPL/SQL Release ProductionCORE           ProductionTNS for Solaris: Version ProductionNLSRTL Version Production

　　SQL> show sga

　　Total System Global Area  bytesFixed Size                   bytesVariable Size             bytesDatabase Buffers           bytesRedo Buffers                 bytesSQL> exitDisconnected from Oracle i Enterprise Edition Release bit ProductionWith the Partitioning OLAP and Oracle Data Mining optionsJServer Release Production                     

　　 Top输出

　　$ top

　　load averages:               billing                : : processes:  sleeping stopped on cpuCPU states: % idle   % user   % kernel   % iowait   % swapMemory: G real G free M swap in use G swap free

　　PID USERNAME THR PR NCE  SIZE   RES STATE   TIME FLTS    CPU MAND  oracle        K K cpu    :       % top  oracle          M  M sleep  :       % oracle  oracle     M M sleep  :   % oracle  oracle          M  M sleep   :       % oracle  oracle         M  M sleep  :       % oracle  oracle        M  M sleep  :       % oracle  oracle          M  M sleep  :       % oracle  oracle          M  M sleep  :       % oracle  oracle          M  M sleep   :       % oracle  oracle          M  M sleep   :       % oracle  oracle        M K sleep   :       % tnslsnr  oracle          M  M sleep   :       % oracle  oracle          M  M sleep   :       % oracle  oracle        K K sleep   :       % ksh  oracle          M  M sleep   :       % oracle

　　 

　　 Pmap输出及进程内存计算

　　$ ps ef|grep ora_  oracle      : : pts/     : grep ora_  oracle           Jul ?        : ora_pmon_hsbill  oracle           Jul ?       : ora_dbw _hsbill  oracle           Jul ?       : ora_lgwr_hsbill  oracle           Jul ?       : ora_ckpt_hsbill  oracle           Jul ?       : ora_smon_hsbill  oracle           Jul ?        : ora_reco_hsbill  oracle           Jul ?        : ora_cjq _hsbill  oracle           Nov ?       : ora_j _hsbill  oracle           Nov ?       : ora_j _hsbill  oracle            Nov ?        : ora_j _hsbill  oracle           Nov ?        : ora_j _hsbill  oracle         : : ?        : ora_j _hsbill

　　$ pmap :  ora_ckpt_hsbill   K read/exec         /opt/oracle/product/ /bin/oracle E     K read/write/exec   /opt/oracle/product/ /bin/oracle    K read/write/exec     [ heap ] K read/write/exec/shared  [ ism shmid= x ]FFFFFFFF C       K read/write/exec     [ anon ]FFFFFFFF C       K read/write/exec     [ anon ]FFFFFFFF C       K read/write/exec     [ anon ]FFFFFFFF C       K read/write/exec     [ anon ]FFFFFFFF C A       K read/write/exec     [ anon ]FFFFFFFF C C       K read/write/exec     [ anon ]FFFFFFFF C E       K read/write/exec     [ anon ]FFFFFFFF C       K read/write/exec     [ anon ]FFFFFFFF C       K read/write/exec     [ anon ]FFFFFFFF C A       K read/write/exec     [ anon ]FFFFFFFF C B       K read/write/exec     [ anon ]FFFFFFFF C C       K read/write/exec     [ anon ]FFFFFFFF C D       K read/write/exec     [ anon ]FFFFFFFF C DA       K read/write/exec     [ anon ]FFFFFFFF C E       K read/write/exec     [ anon ]FFFFFFFF C EC       K read/write/exec     [ anon ]FFFFFFFF C FA       K read/write/exec     [ anon ]FFFFFFFF C FE       K read/write/exec     [ anon ]FFFFFFFF C C       K read/write/exec     [ anon ]FFFFFFFF C       K read/write/exec     [ anon ]FFFFFFFF C E       K read/write/exec     [ anon ]FFFFFFFF CA       K read/write/exec     [ anon ]FFFFFFFF CA       K read/write/exec     [ anon ]FFFFFFFF CA       K read/write/exec     [ anon ]FFFFFFFF CA       K read/write/exec     [ anon ]FFFFFFFF CA       K read/write/exec     [ anon ]FFFFFFFF CA       K read/write/exec     [ anon ]FFFFFFFF CA       K read/write/exec     [ anon ]FFFFFFFF CA       K read/write/exec     [ anon ]FFFFFFFF CA A       K read/write/exec     [ anon ]FFFFFFFF CA       K read/write/exec     [ anon ]FFFFFFFF CA C       K read/write/exec     [ anon ]FFFFFFFF CA A       K read/write/exec     [ anon ]FFFFFFFF CA E       K read/write/exec     [ anon ]FFFFFFFF CA C       K read/write/exec     [ anon ]FFFFFFFF CA       K read/write/exec     [ anon ]FFFFFFFF CA E       K read/write/exec     [ anon ]FFFFFFFF CA       K read/write/exec     [ anon ]FFFFFFFF CAA       K read/write/exec     [ anon ]FFFFFFFF CAA       K read/write/exec     [ anon ]FFFFFFFF CAB       K read/write/exec     [ anon ]FFFFFFFF CAB       K read/write/exec     [ anon ]FFFFFFFF CAC       K read/write/exec     [ anon ]FFFFFFFF CAC       K read/write/exec     [ anon ]FFFFFFFF CAD       K read/write/exec     [ anon ]FFFFFFFF CADA       K read/write/exec     [ anon ]FFFFFFFF CAE       K read/write/exec     [ anon ]FFFFFFFF CAEC       K read/write/exec     [ anon ]FFFFFFFF CAFA       K read/write/exec     [ anon ]FFFFFFFF CAFE       K read/write/exec     [ anon ]FFFFFFFF CB C       K read/write/exec     [ anon ]FFFFFFFF CB       K read/write/exec     [ anon ]FFFFFFFF CB E       K read/write/exec     [ anon ]FFFFFFFF CC       K read/write/exec     [ anon ]FFFFFFFF CD      K read/exec         /usr/lib/sparcv /nss_files so FFFFFFFF CE       K read/write/exec   /usr/lib/sparcv /nss_files so FFFFFFFF CF       K read/write          [ anon ]FFFFFFFF CF       K read/write          [ anon ]FFFFFFFF CF       K read/write          [ anon ]FFFFFFFF CF      K read/write          [ anon ]FFFFFFFF CF      K read/write          [ anon ]FFFFFFFF D      K read/exec         /usr/platform/sun u/lib/sparcv /libc_psr so FFFFFFFF D      K read/exec         /usr/lib/sparcv /libmp so FFFFFFFF D       K read/write/exec   /usr/lib/sparcv /libmp so FFFFFFFF D       K read/write/exec     [ anon ]FFFFFFFF D      K read/exec         /usr/lib/sparcv /libm so FFFFFFFF D       K read/write/exec   /usr/lib/sparcv /libm so FFFFFFFF D       K read/exec         /usr/lib/sparcv /libkstat so FFFFFFFF D       K read/write/exec   /usr/lib/sparcv /libkstat so FFFFFFFF D      K read/exec         /usr/lib/sparcv /librt so FFFFFFFF D       K read/write/exec   /usr/lib/sparcv /librt so FFFFFFFF DA      K read/exec         /usr/lib/sparcv /libaio so FFFFFFFF DB       K read/write/exec   /usr/lib/sparcv /libaio so FFFFFFFF DC     K read/exec         /usr/lib/sparcv /libc so FFFFFFFF DDB      K read/write/exec   /usr/lib/sparcv /libc so FFFFFFFF DDC       K read/write/exec   /usr/lib/sparcv /libc so FFFFFFFF DF       K read/write/exec     [ anon ]FFFFFFFF E      K read/exec         /usr/lib/sparcv /libgen so FFFFFFFF E       K read/write/exec   /usr/lib/sparcv /libgen so FFFFFFFF E     K read/exec         /usr/lib/sparcv /libnsl so FFFFFFFF E A      K read/write/exec   /usr/lib/sparcv /libnsl so FFFFFFFF E B      K read/write/exec   /usr/lib/sparcv /libnsl so FFFFFFFF E    K read/exec         /opt/oracle/product/ /lib/libjox soFFFFFFFF EA     K read/write/exec   /opt/oracle/product/ /lib/libjox soFFFFFFFF EA       K read/write/exec   /opt/oracle/product/ /lib/libjox soFFFFFFFF EB      K read/exec         /usr/lib/sparcv /libsocket so FFFFFFFF EC E      K read/write/exec   /usr/lib/sparcv /libsocket so FFFFFFFF ED       K read/write/exec     [ anon ]FFFFFFFF EE      K read/exec         /opt/oracle/product/ /lib/libskgxn soFFFFFFFF EF       K read/write/exec   /opt/oracle/product/ /lib/libskgxn soFFFFFFFF F       K read/exec         /opt/oracle/product/ /lib/libskgxp soFFFFFFFF F       K read/write/exec   /opt/oracle/product/ /lib/libskgxp soFFFFFFFF F       K read/exec         /opt/oracle/product/ /lib/libodmd soFFFFFFFF F       K read/write/exec   /opt/oracle/product/ /lib/libodmd soFFFFFFFF F       K read/exec         /usr/lib/sparcv /libdl so FFFFFFFF F       K read/write/exec     [ anon ]FFFFFFFF F     K read/exec         /usr/lib/sparcv /ld so FFFFFFFF F      K read/write/exec   /usr/lib/sparcv /ld so FFFFFFFF FFFA      K read/write          [ stack ]         total   K$        

　　计算后台进程使用的内存资源:

　　 K K = k

　　这就是一个进程所消耗的内存

　　 用户进程内存使用举例

　　$ ps ef|grep LOCAL  oracle     : : pts/     : grep LOCAL  oracle           Nov ?        : oraclehsbill (LOCAL=NO)  oracle           Nov ?        : oraclehsbill (LOCAL=NO)$ pmap :  oraclehsbill (LOCAL=NO)   K read/exec         /opt/oracle/product/ /bin/oracle E     K read/write/exec   /opt/oracle/product/ /bin/oracle     K read/write/exec     [ heap ] K read/write/exec/shared  [ ism shmid= x ]FFFFFFFF CC       K read/write          [ anon ]FFFFFFFF CC       K read/write          [ anon ]FFFFFFFF CC     K read/write          [ anon ]FFFFFFFF CC      K read/write          [ anon ]FFFFFFFF CD       K read/write/exec     [ anon ]FFFFFFFF CE      K read/exec         /usr/lib/sparcv /nss_files so FFFFFFFF CF       K read/write/exec   /usr/lib/sparcv /nss_files so FFFFFFFF D      K read/exec         /usr/platform/sun u/lib/sparcv /libc_psr so FFFFFFFF D      K read/exec         /usr/lib/sparcv /libmp so FFFFFFFF D       K read/write/exec   /usr/lib/sparcv /libmp so FFFFFFFF D       K read/write/exec     [ anon ]FFFFFFFF D      K read/exec         /usr/lib/sparcv /libm so FFFFFFFF D       K read/write/exec   /usr/lib/sparcv /libm so FFFFFFFF D       K read/exec         /usr/lib/sparcv /libkstat so FFFFFFFF D       K read/write/exec   /usr/lib/sparcv /libkstat so FFFFFFFF D      K read/exec         /usr/lib/sparcv /librt so FFFFFFFF D       K read/write/exec   /usr/lib/sparcv /librt so FFFFFFFF DA      K read/exec         /usr/lib/sparcv /libaio so FFFFFFFF DB       K read/write/exec   /usr/lib/sparcv /libaio so FFFFFFFF DC     K read/exec         /usr/lib/sparcv /libc so FFFFFFFF DDB      K read/write/exec   /usr/lib/sparcv /libc so FFFFFFFF DDC       K read/write/exec   /usr/lib/sparcv /libc so FFFFFFFF DF       K read/write/exec     [ anon ]FFFFFFFF E      K read/exec         /usr/lib/sparcv /libgen so FFFFFFFF E       K read/write/exec   /usr/lib/sparcv /libgen so FFFFFFFF E     K read/exec         /usr/lib/sparcv /libnsl so FFFFFFFF E A      K read/write/exec   /usr/lib/sparcv /libnsl so FFFFFFFF E B      K read/write/exec   /usr/lib/sparcv /libnsl so FFFFFFFF E    K read/exec         /opt/oracle/product/ /lib/libjox soFFFFFFFF EA     K read/write/exec   /opt/oracle/product/ /lib/libjox soFFFFFFFF EA       K read/write/exec   /opt/oracle/product/ /lib/libjox soFFFFFFFF EB      K read/exec         /usr/lib/sparcv /libsocket so FFFFFFFF EC E      K read/write/exec   /usr/lib/sparcv /libsocket so FFFFFFFF ED       K read/write/exec     [ anon ]FFFFFFFF EE      K read/exec         /opt/oracle/product/ /lib/libskgxn soFFFFFFFF EF       K read/write/exec   /opt/oracle/product/ /lib/libskgxn soFFFFFFFF F       K read/exec         /opt/oracle/product/ /lib/libskgxp soFFFFFFFF F       K read/write/exec   /opt/oracle/product/ /lib/libskgxp soFFFFFFFF F       K read/exec         /opt/oracle/product/ /lib/libodmd soFFFFFFFF F       K read/write/exec   /opt/oracle/product/ /lib/libodmd soFFFFFFFF F       K read/exec         /usr/lib/sparcv /libdl so FFFFFFFF F       K read/write/exec     [ anon ]FFFFFFFF F     K read/exec         /usr/lib/sparcv /ld so FFFFFFFF F      K read/write/exec   /usr/lib/sparcv /ld so FFFFFFFF FFF      K read/write          [ stack ]         total   K$        

cha138/Article/program/Oracle/201311/17228

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