Thursday, April 24, 2014

Locking Scripts


SELECT l.session_id||','||v.serial# sid_serial,
       l.ORACLE_USERNAME ora_user,
       o.object_name,
       o.object_type,
       l.locked_mode,
       DECODE(l.locked_mode,
          0, 'None',
          1, 'Null',
          2, 'Row-S (SS)',
          3, 'Row-X (SX)',
          4, 'Share',
          5, 'S/Row-X (SSX)',
          6, 'Exclusive',
          TO_CHAR(l.locked_mode)
       ) lock_mode,
       o.status,
       to_char(o.last_ddl_time,'dd.mm.yy') last_ddl
FROM dba_objects o, gv$locked_object l, v$session v
WHERE o.object_id = l.object_id
      and l.SESSION_ID=v.sid
order by 2,3;

SELECT SUBSTR(TO_CHAR(session_id),1,5) "SID",
       SUBSTR(lock_type,1,15) "Lock Type",
       SUBSTR(mode_held,1,15) "Mode Held",
       SUBSTR(blocking_others,1,15) "Blocking?"
  FROM dba_locks;


SELECT vh.sid locking_sid,
     vs.status status,
     vs.program program_holding,
     vw.sid waiter_sid,
     vsw.program program_waiting
    FROM v$lock vh,
     v$lock vw,
     v$session vs,
     v$session vsw
    WHERE     (vh.id1, vh.id2) IN (SELECT id1, id2
     FROM v$lock
     WHERE request = 0
     INTERSECT
     SELECT id1, id2
     FROM v$lock
     WHERE lmode = 0)
     AND vh.id1 = vw.id1
     AND vh.id2 = vw.id2
     AND vh.request = 0
     AND vw.lmode = 0
     AND vh.sid = vs.sid
     AND vw.sid = vsw.sid;
  
  
   select s1.username || '@' || s1.machine
    || ' ( SID=' || s1.sid || ' )  is blocking '
    || s2.username || '@' || s2.machine || ' ( SID=' || s2.sid || ' ) ' AS blocking_status
    from v$lock l1, v$session s1, v$lock l2, v$session s2
    where s1.sid=l1.sid and s2.sid=l2.sid
    and l1.BLOCK=1 and l2.request > 0
   and l1.id1 = l2.id1
    and l2.id2 = l2.id2 ;
   
   
    select
  object_name,
  object_type,
  session_id,
  type,         -- Type or system/user lock
  lmode,        -- lock mode in which session holds lock
  request,
  block,
  ctime         -- Time since current mode was granted
from
  v$locked_object, all_objects, v$lock
where
  v$locked_object.object_id = all_objects.object_id AND
  v$lock.id1 = all_objects.object_id AND
  v$lock.sid = v$locked_object.session_id
order by
  session_id, ctime desc, object_name
;

SELECT sid, to_char(start_time,'hh24:mi:ss') stime,
message,( sofar/totalwork)* 100 percent
FROM v$session_longops
WHERE sofar/totalwork < 1;

select s.username,s.sid,s.serial#,s.last_call_et/60 mins_running,q.sql_text from v$session s
join v$sqltext_with_newlines q
on s.sql_address = q.address
 where status='ACTIVE'
and type <>'BACKGROUND'
and last_call_et> 60
order by sid,serial#,q.piece;

select sesion.sid,
       sesion.username,
       optimizer_mode,
       hash_value,
       address,
       cpu_time,
       elapsed_time,
       sql_text
  from v$sqlarea sqlarea, v$session sesion
 where sesion.sql_hash_value = sqlarea.hash_value
   and sesion.sql_address    = sqlarea.address
   and sesion.username is not null ;
  
   select sess_io.sid,
       sess_io.block_gets,
       sess_io.consistent_gets,
       sess_io.physical_reads,
       sess_io.block_changes,
       sess_io.consistent_changes
  from v$sess_io sess_io, v$session sesion
 where sesion.sid = sess_io.sid
   and sesion.username is not null ;

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