这篇文章主要介绍了solaris10如何使用projadd进行资源限制的添加,具有一定借鉴价值,感兴趣的朋友可以参考下,希望大家阅读完这篇文章之后大有收获,下面让小编带着大家一起了解一下。

在安装oracle时,需要进行资源限制配置:

noexec_user_stack=1

semsys:seminfo_semmni=100

semsys:seminfo_semmns=1024

semsys:seminfo_semmsl=256

semsys:seminfo_semvmx=32767

shmsys:shminfo_shmmax=4294967295

shmsys:shminfo_shmmni=100

rlim_fd_max=65536

rlim_fd_cur=4096

maxuprc=16384

max_nprocs=3000

使用project(立即生效,永久)

project是Solaris10新增加的特性,可以通过设置project参数为一个用户或一组用户设置参数值。设置后可立即生效。

'但是,root用户的结果只受/etc/system里参数的影响,而不受project user.oracle影响,root用户不属于此project. '

以下是设置示例:

--root执行

bash-3.2# :/ #>projadd user.oracle (创建project user.oracle)

bash-3.2# :/ #>id -p oracle

uid=100(oracle) gid=1(other) projid=100(user.oracle) (oracle用户属于project user.oracle)

bash-3.2# :/ #>projmod -a -K "process.max-file-descriptor=(basic,65534,deny)" user.oracle

bash-3.2# :/ #>projmod -a -K "process.max-file-descriptor=(priv,65535,deny)" user.oracle

bash-3.2# :/ #>grep 'user.oracle' /etc/project

user.oracle:100::::process.max-file-descriptor=(basic,65534,deny),(priv,65535,deny)

设置basic和privilege值分别为65534和65535,不能越过/etc/system中的最大硬限制65535;

bash-3.2# :/ #>tail -2 /etc/system

set rlim_fd_cur=1024

set rlim_fd_max=65535

bash-3.2# plimit

13110: bash

resource current maximum

time(seconds) unlimited unlimited

file(blocks) unlimited unlimited

data(kbytes) unlimited unlimited

stack(kbytes) 10240 unlimited

coredump(blocks) unlimited unlimited

nofiles(descriptors) 256 65536

vmemory(kbytes) unlimited unlimited

bash-3.2#

root用户的结果只受/etc/system里参数的影响,而不受project user.oracle影响,root用户不属于此project.

bash-3.2# su - oracle

Oracle Corporation SunOS 5.10 Generic Patch January 2005

-sh: TEMP=/tmp: is not an identifier

$ bash

bash-3.2$ plimit

13110: bash resource current maximum time(seconds) unlimited unlimited file(blocks) unlimited unlimited data(kbytes) unlimited unlimited stack(kbytes) 10240 unlimited coredump(blocks) unlimited unlimited nofiles(descriptors) 256 65536 vmemory(kbytes) unlimited unlimited bash-3.2# root用户的结果只受/etc/system里参数的影响,而不受project user.oracle影响,root用户不属于此project. bash-3.2# su - oracle Oracle Corporation SunOS 5.10 Generic Patch January 2005 -sh: TEMP=/tmp: is not an identifier $ bash bash-3.2$ plimit

14704: bash

resource current maximum

time(seconds) unlimited unlimited

file(blocks) unlimited unlimited

data(kbytes) unlimited unlimited

stack(kbytes) 10240 unlimited

coredump(blocks) unlimited unlimited

nofiles(descriptors) 65534 65535

vmemory(kbytes) unlimited unlimited

bash-3.2$

--同样如上进行需要修改其他参数:

noexec_user_stack=1

semsys:seminfo_semmni=100

semsys:seminfo_semmns=1024

semsys:seminfo_semmsl=256

semsys:seminfo_semvmx=32767

shmsys:shminfo_shmmax=4294967295

shmsys:shminfo_shmmni=100

rlim_fd_max=65536

rlim_fd_cur=4096

maxuprc=16384

max_nprocs=3000

projmod -a -K "project.max-sem-ids=(priv,100,deny)" user.oracle

projmod -a -K "process.max-sem-nsems=(priv,256,deny)" user.oracle

projmod -a -K "project.max-shm-memory=(priv,4294967295,deny)" user.oracle

projmod -a -K "project.max-shm-ids=(priv,100,deny)" user.oracle

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