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这篇文章主要讲解了“ORACLE问题处理的脚本是什么”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“ORACLE问题处理的脚本是什么”吧！
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登上数据库服务器后，第一个就是通过系统命令确认下CPU、内存、I/O是否异常，每个系统的命令不一样，常见的有top、topas、vmstat、iostat
--wait_event
col event for a45
SELECT inst_id,EVENT, SUM(DECODE(WAIT_TIME, 0, 0, 1)) "Prev",
SUM(DECODE(WAIT_TIME, 0, 1, 0)) "Curr", COUNT(*) "Tot" ,
sum(SECONDS_IN_WAIT) SECONDS_IN_WAIT
FROM GV$SESSION_WAITWHERE event
NOT IN ('smon timer','pmon timer','rdbms ipc message','SQL*Net message from client',
'gcs remote message')
AND event NOT LIKE '%idle%' AND event NOT LIKE '%Idle%'
AND event NOT LIKE '%Streams AQ%'GROUP BY inst_id,EVENTORDER BY 1,5 desc;--session_by_event SELECT /*+rule */ sid, s.serial#, spid, event, sql_id, seconds_in_wait ws, row_wait_obj# obj, s.username, s.machine, BLOCKING_INSTANCE||'.'||blocking_session b_sess FROM v$session s, v$process p WHERE event='&event_name' AND s.paddr = p.addr order by 6;
--session_by_sid SELECT s.sid, s.serial#, spid, event, sql_id, PREV_SQL_ID, seconds_in_wait ws, row_wait_obj# obj,s.username, s.machine, module,blocking_session b_sess,logon_time FROM v$session s, v$process p WHERE sid = '&sid' AND s.paddr = p.addr;
--obj_info col OBJECT_NAME for a30 select owner,object_name,subobject_name,object_type from dba_objects where object_id=&oid;
--sql_text
select sql_id,SQL_fullTEXT
from v$sqlarea --DBA_HIST_SQLTEXT
where (sql_id='&sqlid' or hash_value=to_number('&hashvale') ) and rownum<2;--blocking_sess select count(*),blocking_session from v$session where blocking_session is not null group by blocking_session;
--lockset
linesize 180
col username for a15
col owner for a15
col OBJECT_NAME for a30
col SPID for a10
--查询某个会话的锁
select /*+rule*/SESSION_ID,OBJECT_ID,ORACLE_USERNAME,OS_USER_NAME,PROCESS,LOCKED_MODE
from gv$locked_object where session_id=&sid;
--查询TM、TX锁
select /*+rule*/* from v$lock where ctime >100 and type in ('TX','TM') order by 3,9;
--查询数据库中的锁
select /*+rule*/s.sid,p.spid,l.type,round(max(l.ctime)/60,0) lock_min,
s.sql_id,s.USERNAME,b.owner,b.object_type,b.object_name
from v$session s, v$process p,v$lock l,v$locked_object o,dba_objects b
where o.SESSION_ID=s.sid and s.sid=l.sid and o.OBJECT_ID=b.OBJECT_ID
and s.paddr = p.addr and l.ctime >100 and l.type in ('TX','TM','FB')
group by s.sid,p.spid,l.type,s.sql_id,s.USERNAME,b.owner,b.object_type,b.object_name
order by 9,1,3;--systemstate dump sqlplus -prelim / as sysdba oradebug setmypid oradebug unlimit; oradebug dump systemstate 266; --wait for 1 min oradebug dump systemstate 266; --wait for 1 min oradebug dump systemstate 266; oradebug tracefile_name; --hanganalyze oradebug setmypid oradebug unlimit; oradebug dump hanganalyze 3 --wait for 1 min oradebug dump hanganalyze 3 --wait for 1 min oradebug dump hanganalyze 3 oradebug tracefile_name
--kill_sess
set line 199
col event format a35
--杀某个SID会话
SELECT /*+ rule */ sid, s.serial#, 'kill -9 '||spid, event, blocking_session b_sess
FROM v$session s, v$process p WHERE sid='&sid' AND s.paddr = p.addr order by 1;
--根据SQL_ID杀会话
SELECT /*+ rule */ sid, s.serial#, 'kill -9 '||spid, event, blocking_session b_sess
FROM v$session s, v$process p WHERE sql_id='&sql_id' AND s.paddr = p.addr order by 1;
--根据等待事件杀会话
SELECT /*+ rule */ sid, s.serial#, 'kill -9 '||spid, event, blocking_session b_sess
FROM v$session s, v$process p WHERE event='&event' AND s.paddr = p.addr order by 1;
--根据用户杀会话
SELECT /*+ rule */ sid, s.serial#, 'kill -9 '||spid, event, blocking_session b_sess
FROM v$session s, v$process p WHERE username='&username' AND s.paddr = p.addr order by 1;
--kill所有LOCAL=NO进程
ps -ef|grep LOCAL=NO|grep $ORACLE_SID|grep -v grep|awk '{print $2}' | xargs kill -9感谢各位的阅读，以上就是“ORACLE问题处理的脚本是什么”的内容了，经过本文的学习后，相信大家对ORACLE问题处理的脚本是什么这一问题有了更深刻的体会，具体使用情况还需要大家实践验证。这里是创新互联，小编将为大家推送更多相关知识点的文章，欢迎关注！