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Oracle数据库CPU超高问题分析捕捉,
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------------------------------Oracle数据库cpu超高问题分析捕捉 开始---------------------------------------
--根据进程号查询对应的sql语句
SELECT LISTAGG(sql_TEXT,'') WITHIN GROUP(ORDER BY PIECE)
FROM V$sqlTEXT A
WHERE (A.HASH_VALUE,A.ADDRESS) IN
(SELECT DECODE(sql_HASH_VALUE,PREV_HASH_VALUE,sql_HASH_VALUE),DECODE(sql_HASH_VALUE,PREV_sql_ADDR,sql_ADDRESS)
FROM V$SESSION B
WHERE B.PADDR =
(SELECT ADDR FROM V$PROCESS C WHERE C.SPID = '&pid'))
ORDER BY PIECE ASC;
/
SELECT LISTAGG(sql_TEXT,'') WITHIN GROUP(ORDER BY PIECE)
FROM (SELECT sql_TEXT,A.PIECE
FROM V$sqlTEXT A
WHERE (A.HASH_VALUE,A.ADDRESS) IN
(SELECT DECODE(sql_HASH_VALUE,sql_ADDRESS)
FROM V$SESSION B
WHERE B.PADDR =
(SELECT ADDR FROM V$PROCESS C WHERE C.SPID = '&pid'))
ORDER BY PIECE ASC);
/
--根据进程行找查询语句
select addr,spid from v$process where spid='11296';
select sid,sql_id from v$session where paddr='0000000382C3E9E0';
select sql_text from v$sql where sql_id='00z33j9a8xm9b';
--根据进程号查询并生成KILL掉占用cpu过高的语旬
SELECT 'alter system kill session ''' || T.SID || ',' || T.SERIAL# || ''';'
FROM V_$SESSION T
WHERE T.SID =
(SELECT SID
FROM V$SESSION
WHERE PADDR = (SELECT ADDR FROM V$PROCESS WHERE SPID = '21717'));
SELECT /*+ ORDERED */
sql_text,a.*
FROM v$sqltext a
WHERE (a.hash_value,a.address) IN (
SELECT DECODE (sql_hash_value,prev_hash_value,sql_hash_value
),DECODE (sql_hash_value,prev_sql_addr,sql_address)
FROM v$session b
WHERE b.paddr = (SELECT addr
FROM v$process c
WHERE c.spid =13415))
ORDER BY piece ASC;
select * from V_$SESSION t;
------------------------------Oracle数据库cpu超高问题分析捕捉 结束---------------------------------------