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  • Script:诊断MTS shared server

    Script:诊断MTS shared server,以下脚本用于诊断Oracle MTS shared server共享服务器模式会话:    
      set linesize 120 pagesize 1400
      col name for a30
      col value for a70
    
     select name,value
       from v$system_parameter
      where name in ('dispatchers',
                     'max_dispatchers',
                     'max_shared_servers',
                     'shared_server_sessions',
                     'shared_servers');
    
    SELECT MAXIMUM_CONNECTIONS "MAX CONN",
           MAXIMUM_SESSIONS    "MAX SESS",
           SERVERS_STARTED     "STARTED",
           SERVERS_TERMINATED  "TERMINATED",
           SERVERS_HIGHWATER   "HIGHWATER"
      FROM V$SHARED_SERVER_MONITOR;
    
    SELECT NAME "NAME", PADDR, REQUESTS, (BUSY/(BUSY + IDLE)) * 100 "%TIME BUSY", STATUS  FROM V$SHARED_SERVER;
    
    SELECT SADDR, CIRCUIT, DISPATCHER, SERVER, SUBSTR(QUEUE,1,8) "QUEUE", WAITER FROM V$CIRCUIT;
    
    SELECT D.NAME,
           Q.QUEUED,
           Q.WAIT,
           Q.TOTALQ,
           DECODE(Q.TOTALQ, 0, 0, (Q.WAIT / Q.TOTALQ) / 100) "AVG WAIT"
      FROM V$QUEUE Q, V$DISPATCHER D
     WHERE D.PADDR = Q.PADDR;
    
     SELECT SERVER,
            SUBSTR(USERNAME, 1, 15) "USERNAME",
            SUBSTR(OSUSER, 1, 8) "OS USER",
            SUBSTR(MACHINE, 1, 7) "MACHINE",
            SUBSTR(PROGRAM, 1, 35) "PROGRAM"
       FROM V$SESSION
      WHERE TYPE = 'USER';
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  • 原文地址:https://www.cnblogs.com/macleanoracle/p/2967690.html
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