SQL> select event,sql_id from v$session where wait_class#<>6;
EVENT SQL_ID
---------------------------------------------------------------- -------------
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
EVENT SQL_ID
---------------------------------------------------------------- -------------
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
row cache lock 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
SQL*Net message to client 1dhc13tspcmys
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
EVENT SQL_ID
---------------------------------------------------------------- -------------
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
cursor : pin S wait on X 8vyjutx6hg3wh
33 rows selected.
SQL> select sql_text from v$sql where sql_id= '8vyjutx6hg3wh' ;
SQL_TEXT
--------------------------------------------------------------------------------
update /*+ rule */ undo$ set name =:2,file#=:3,block#=:4,status$=:5, user #=:6,undo
sqn=:7,xactsqn=:8,scnbas=:9,scnwrp=:10,inst#=:11,ts#=:12,spare1=:13 where us#=:1
SQL> col machine for a30
SQL> /
INST_ID SID PADDR SQL_ID EVENT MACHINE PROGRAM
---------- ---------- ---------------- ------------- ------------------------------ ------------ ------------------------
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
INST_ID SID PADDR SQL_ID EVENT MACHINE PROGRAM
---------- ---------- ---------------- ------------- ------------------------------ ------------ -----------------------
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 4517 00000001907FEC50 8vyjutx6hg3wh row cache lock xifenfei oracle@xifenfei (P000)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
INST_ID SID PADDR SQL_ID EVENT MACHINE PROGRAM
---------- ---------- ---------------- ------------- ------------------------------ ------------ -----------------------
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
1 5645 000000018095AF40 8vyjutx6hg3wh cursor : pin S wait on X xifenfei oracle@xifenfei (P002)
31 rows selected.
SQL> l
1 select b.INST_ID,b.sid,b.paddr,b.sql_id,b.event,b.MACHINE,b.PROGRAM from gv$session a,gv$session b
2* where a.event= 'cursor: pin S wait on X' and a.FINAL_BLOCKING_INSTANCE=b.INST_ID and
3* a.FINAL_BLOCKING_SESSION=b.sid
SQL>
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