系统很卡，登录sqlplus要卡个1分钟才能进去

Jack_ma

系统昨天很卡，登录sqlplus要卡个1分钟才能进去， 相关的信息如下：

alert log :
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Fri Jun 14 19:27:53 2013
Process J000 died, see its trace file
Fri Jun 14 19:27:53 2013
kkjcre1p: unable to spawn jobq slave process
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trace :
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*** 2013-05-20 19:02:46.745
Waited for process J006 to be spawned for 120 seconds
*** 2013-05-20 19:07:18.679
*** 2013-05-20 19:08:23.784
Waited for process J006 to initialize for 60 seconds
*** 2013-05-20 19:08:23.784
Dumping diagnostic information for J006:
OS pid = 23767
loadavg : 1.40 2.52 1.81
memory info: free memory = 0.00M
swap info:   free = 0.00M alloc = 0.00M total = 0.00M
skgpgpstack: read() for cmd /bin/ps -elf | /bin/egrep 'PID | 23767' | /bin/grep -v grep timed out after 60 seconds
/proc/23767/exe: No such file or directory.
ptrace: No such process.
/u01/app/oracle/product/10.2.0/db_1/dbs/23767: No such file or directory.
No stack.
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OS info:
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[oracle@northstar ~]$ cat /etc/redhat-release
Red Hat Enterprise Linux Server release 5.2 (Tikanga)

pmap -d 16859  
mapped: 8586728K    writeable/private: 45504K    shared: 8388632K

Mem:  16777216k total, 16759924k used,    17292k free,    16800k buffers
Swap: 10485752k total,   357188k used, 10128564k free, 15062152k cached

*               soft    nproc           2047
*               hard    nproc           16384
*               soft    nofile          1024
*               hard    nofile          65536
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related parameter:
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sessions                             integer     170
processes                          integer     150
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问题：
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1. 是不是跟内存cache过大有关？
2. 如果配置大页面内存，    该参数
memlock     maximum locked-in-memory address space (KB)
说的是单进程能够lock的最大内存数量   还是所有进程能够lock的内存总量？
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Maclean Liu(刘相兵

没有 oracle版本信息

没有alert.log 没有AWR  没有sosreport

card_2005

检查服务器是否配置了DNS，HOSTS配置是否正确