摘要：一、 修改操作系统内核参数1) 修改/etc/sysctl.conf文件kernel.shmmax= 536870912kernel.shmmni=4096kernel.shmall=2097152 kernel.sem=250 32000 100 128 --- 一定要有空格fs.file-max = 6815744fs.aio-max-nr = 1048576net.ipv4.ip_local_port_range = 9000 65500 ---一定要有空格net.core.rmem_default = 262144net.core.rmem_max = 4194304net.... 阅读全文

摘要：oracle参数查看和修改方法：root#sqlplus sys@orcl as sysdbaSQL>show parameter spfile;SQL>show parameter pfile;SQL>show parameter sessions;SQL>show parameter transaction;SQL>show parameter processes;SQL>alter system set processes=500 scope=spfile;SQL>alter system set sessions=1000 scope=spfi 阅读全文