select count(*) from v$session;--当前会话数,一般情况出现异常情况下这个session可能会较大。 kill掉异常的会话 select sid,serial#,username,program,machine,status from v$session; alter system kill session '12,1736';--12是sid 1736是serial# 3. 设置process SQL> alter system set processes=1000 scope...
SQL> ALTER SYSTEM SET job_queue_processes=20 SCOPE=SPFILE; System altered. SQL> show parameter job_queue_processes NAME TYPE VALUE --- --- --- job_queue_processes integer 1000 even after I bounce the instance the job_queue_processes remains at 1000. Any ideas?
alter system set parameter= value scope=spfile;这里面的scope=spfile是什么意思,下面详细解释一下: SCOPE参数值有三个选项。SCOPE=MEMORY:只改变当前实例运行,亦即初始化参数改变了只对当前实例有效,当实例重启之后,初始化参数值还原。 SCOPE=SPFILE:只改变SPFILE的设置。亦即改变初始化参数文件内容。实例重启后参数...
distributed_recov_clauses::=,end_session_clauses::=,quiesce_clauses::=,rolling_migration_clauses::=,rolling_patch_clauses::=,security_clauses::=,shutdown_dispatcher_clause::=,alter_system_set_clause::=,alter_system_reset_clause::=,cancel_sql_clause::=)...
Dynamic: ALTER SYSTEM ... DEFERRED Range of values true | false BACKUP_TAPE_IO_SLAVES specifies whether I/O server processes (also called slaves) are used by the Recovery Manager to back up, copy, or restore data to tape. When the value is set to true, Oracle uses an I/O server...
SystemVersioningTableOption TableClusteredIndexType TableDataCompressionOption TableDefinition TableDistributionOption TableDistributionPolicy TableElementType TableHashDistributionPolicy TableHint TableHintKind TableHintsOptimizerHint TableIndexOption TableIndexType ...
SystemVersioningTableOption TableClusteredIndexType TableDataCompressionOption TableDefinition TableDistributionOption TableDistributionPolicy TableElementType TableHashDistributionPolicy TableHint TableHintKind TableHintsOptimizerHint TableIndexOption TableIndexType ...
ALTER SYSTEM SET service_names='pmos'SCOPE=MEMORY SID='pmos1'; 我们不用关心DataPump 修改的SERVICE_NAME的值,如果instance 用默认的database name来作为service name,那么在添加新的service name到操作队列时,alert 警告中不会显示service_name(默认值database name),并且在操作结束之后,会将service name 设置为...
ALTER SYSTEM SET service_names='pmos'SCOPE=MEMORY SID='pmos1'; 我们不用关心DataPump 修改的SERVICE_NAME的值,如果instance 用默认的database name来作为service name,那么在添加新的service name到操作队列时,alert 警告中不会显示service_name(默认值database name),并且在操作结束之后,会将service name 设置为...
A low PROCUSERMAX value limits the number of concurrent processes that the user can run. A low value also limits the user's consumption of processing time, virtual storage, and other system resources. Some daemons run without UID 0, and can create many address spaces. In these cases, it...