\\ 查詢負載很高前35個進程

ps aux|head -1;ps aux|grep -v PID|sort -rn -k +3|head -35

\\ 查詢前35負載高的sPID

ps aux|grep -v PID|sort -rn -k +3|head -35|awk ‘{print$2}‘

\\ 把得到的spid替換進來(！！！注意不要少了逗號和分號！！！)

select sql_id from v$session

where paddr in(

select addr from v$process

where spid in(

‘30907‘,

‘31801‘,

‘31463‘,

‘31150‘,

‘32289‘,

‘31895‘,

‘590‘,

‘31952‘,

‘611‘,

‘32152‘,

‘661‘,

‘32542‘,

‘32203‘,

‘2019‘,

‘2215‘

)

)

查詢結果顯示，sql_id為?fm0738ywgbyxk?出現很多(異常sql_id)

---注：請替換成您實際的sql_id

---注：請替換成您實際的sql_id

---注：請替換成您實際的sql_id

---fm0738ywgbyxk

---12個進程

SELECT sid,serial#,sql_id from v$session where sql_id in ( ‘fm0738ywgbyxk‘);SELECT count(*) from v$session where sql_id in ( ‘fm0738ywgbyxk‘ );

---隨機抽一條，查看一下具體是執行的啥內容

select sql_text from v$sqlarea a,v$session b where a.SQL_ID=b.PREV_SQL_ID and b.SID=‘291‘;

select c.SCHOOL_ID WAREHOUSE_ID, count( ARCHIVE_ID) SIGN,c.BUSINESS_TYPE from TB_CONTRACT c,FES_STAFF_ARCHIVE st where c.state!=2000 and st.id=c.ARCHIVE_ID and c.PAY_DATE between to_date(‘2020-02-01 00:00:00‘,‘yyyy-MM-dd HH24:MI:SS‘) and to_date(‘2020-04-27 23:59:59‘,‘yyyy-MM-dd HH24:MI:SS‘) and c.BUSINESS_TYPE in (17,21) group by c.SCHOOL_ID ,c.BUSINESS_TYPE

--- 生成kill語句

SELECT

‘alter system kill session‘‘‘ || SID || ‘,‘ || serial# || ‘‘‘;‘

FROMv$sessionWHEREsql_idIN (‘fm0738ywgbyxk‘);

--- 執行生成的kill語句，如下：

alter system kill session ‘291,42431‘;alter system kill session ‘483,24520‘;alter system kill session ‘667,23176‘;alter system kill session ‘768,57609‘;alter system kill session ‘861,65267‘;alter system kill session ‘1243,1739‘;alter system kill session ‘1335,44615‘;alter system kill session ‘1522,31640‘;alter system kill session ‘1622,30425‘;alter system kill session ‘1716,7696‘;alter system kill session ‘1808,44494‘;alter system kill session ‘2096,58865‘;

原文：https://www.cnblogs.com/eos666/p/12794084.html

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