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  • 脚本:监控数据库中的活跃用户及其运行的SQL

    脚本正文:
    set linesize 120 pagesize 66
    col c1 for a9
    col c1 heading "OS User"
    col c2 for a9
    col c2 heading "Oracle User"
    col b1 for a9
    col b1 heading "Unix PID"
    col b2 for 9999 justify left
    col b2 heading "SID"
    col b3 for 99999 justify left
    col b3 heading "SERIAL#"
    col sql_text for a35
    col event  for a30
    break on b1 nodup on c1 nodup on c2 nodup on b2 nodup on b3 skip 3
    select c.spid     b1,
           b.osuser   c1,
           b.username c2,
           b.sid      b2,
           b.serial#  b3,
           b.event,
           a.sql_text
      from v$sqltext a, v$session b, v$process c
     where a.address = b.sql_address
          --   and b.status     = 'ACTIVE' /* YOU CAN CHOOSE THIS OPTION ONLY TO SEE
          --                                  ACTVE TRANSACTION ON THAT MOMENT */
       and b.paddr = c.addr
       and a.hash_value = b.sql_hash_value
     order by c.spid, a.hash_value, a.piece
    /      		  
    
    REM TOP SESSION
    
    with sessions as
     (select /*+ materialize */
       sess.inst_id,
       sess.sid,
       sess.serial#,
       sess.username,
       sess.module,
       sess.program,
       stat.value cpu_used_by_this_session,
       i.physical_reads,
       i.block_gets,
       sess.command,
       sess.status,
       sess.lockwait,
       decode(sess.sql_hash_value, 0, sess.prev_hash_value, sess.sql_hash_value) sql_hash_value,
       decode(sess.sql_address, '00', sess.prev_sql_addr, sess.sql_address) sql_address
        from gv$sesstat stat, gv$session sess, gv$sess_io i
       where stat.statistic# =
             (select statistic#
                from v$statname
               where name = 'CPU used by this session')
         and stat.sid = sess.sid
         and stat.inst_id = sess.inst_id
         and (stat.value > 100 or i.physical_reads > 100 or i.block_gets > 100)
         and sess.username is not null
         and i.sid = sess.sid
         and i.inst_id = sess.inst_id),
    sqlarea as
     (select inst_id, sql_fulltext sql_text, hash_value, address from gv$sqlarea)
    select *
      from sessions, sqlarea
     where sessions.inst_id = sqlarea.inst_id and sessions.sql_hash_value = sqlarea.hash_value and sessions.sql_address = sqlarea.address
     order by cpu_used_by_this_session desc
    /
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  • 原文地址:https://www.cnblogs.com/macleanoracle/p/2967258.html
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