Oracle 死锁的检测查询及处理

SELECT    bs.username "Blocking User", bs.username "DB User",

          ws.username "Waiting User", bs.SID "SID", ws.SID "WSID",

          bs.serial# "Serial#", bs.sql_address "address",

          bs.sql_hash_value "Sql hash", bs.program "Blocking App",

          ws.program "Waiting App", bs.machine "Blocking Machine",

          ws.machine "Waiting Machine", bs.osuser "Blocking OS User",

          ws.osuser "Waiting OS User", bs.serial# "Serial#",

          ws.serial# "WSerial#",

          DECODE (wk.TYPE,

                  'MR', 'Media Recovery',

                  'RT', 'Redo Thread',

                  'UN', 'USER Name',

                  'TX', 'Transaction',

                  'TM', 'DML',

                  'UL', 'PL/SQL USER LOCK',

                  'DX', 'Distributed Xaction',

                  'CF', 'Control FILE',

                  'IS', 'Instance State',

                  'FS', 'FILE SET',

                  'IR', 'Instance Recovery',

                  'ST', 'Disk SPACE Transaction',

                  'TS', 'Temp Segment',

                  'IV', 'Library Cache Invalidation',

                  'LS', 'LOG START OR Switch',

                  'RW', 'ROW Wait',

                  'SQ', 'Sequence Number',

                  'TE', 'Extend TABLE',

                  'TT', 'Temp TABLE',

                  wk.TYPE

                 ) lock_type,

          DECODE (hk.lmode,

                  0, 'None',

                  1, 'NULL',

                  2, 'ROW-S (SS)',

                  3, 'ROW-X (SX)',

                  4, 'SHARE',

                  5, 'S/ROW-X (SSX)',

                  6, 'EXCLUSIVE',

                  TO_CHAR (hk.lmode)

                 ) mode_held,

          DECODE (wk.request,

                  0, 'None',

                  1, 'NULL',

                  2, 'ROW-S (SS)',

                  3, 'ROW-X (SX)',

                  4, 'SHARE',

                  5, 'S/ROW-X (SSX)',

                  6, 'EXCLUSIVE',

                  TO_CHAR (wk.request)

                 ) mode_requested,

          TO_CHAR (hk.id1) lock_id1, TO_CHAR (hk.id2) lock_id2,

          DECODE

             (hk.BLOCK,

              0, 'NOT Blocking',          /**//* Not blocking any other processes */

              1, 'Blocking',              /**//* This lock blocks other processes */

              2, 'Global',           /**//* This lock is global, so we can't tell */

              TO_CHAR (hk.BLOCK)

             ) blocking_others

     FROM v$lock hk, v$session bs, v$lock wk, v$session ws

    WHERE hk.BLOCK = 1

      AND hk.lmode != 0

      AND hk.lmode != 1

      AND wk.request != 0

      AND wk.TYPE(+) = hk.TYPE

      AND wk.id1(+) = hk.id1

      AND wk.id2(+) = hk.id2

      AND hk.SID = bs.SID(+)

      AND wk.SID = ws.SID(+)

      AND (bs.username IS NOT NULL)

      AND (bs.username <> 'SYSTEM')

      AND (bs.username <> 'SYS')

ORDER BY 1;

select sql_text from v$sql where hash_value in (

    select sql_hash_value from v$session where sid in (select session_id from v$locked_object)

)

select username,lockwait,status,machine,program from v$session where sid

in (select session_id from v$locked_object)

sqlplus "/as sysdba" (sys/change_on_install)

SELECT s.username,l.OBJECT_ID,l.SESSION_ID,s.SERIAL#,l.ORACLE_USERNAME,l.OS_USER_NAME,l.PROCESS

FROM V$LOCKED_OBJECT l,V$SESSION S

WHERE l.SESSION_ID=S.SID;

alter system kill session ‘sid,serial#’; （其中sid=l.session_id）

select pro.spid from v$session ses, v$process pro where ses.sid=XX and ses.paddr=pro.addr;

exit
ps -ef|grep spid