Need past sessions information

Hi,
One of our db server is high on CPU usage on every day mid night, as per the AWR reports I found a couple of queries which are consuming high cpu during that time, if I look for the sessions as per the sql_id there are many sessions are there, I am not sure these are the sessions which were running these queries.
can we get the session information from AWR?( I dont think so)
Is sql_id is unique or will it changes time to time? if it is unique then am I getting the correct sessions?
Application team asking that from which user these are running, they are looking for the details like username, osusername, logontime,etc.
can somebody please help me that how can I get the past session information as per sql id?
we are on oracle 10G.
Regards,
Ramesh

Hi,
You can start looking out using dba_hist_active_sess_history view where you can provide the snap_id or the sample_time for the period you want to check. For an example you can check
http://aprakash.wordpress.com/2011/09/20/single-task-message-and-cursorpin-s-wait-on-x/
Anand

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Getting session information in servlet?

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Hi.
Most definitely possible. A few months ago I coded something very similar - jsp
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PeterH wrote:
Howdy.
re meant something else
That's what I'm trying to figure out. :>
re what do I mean by...
I have one jsp page, that has a an html form on it with elements that get
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Let me know if I'm not explaining myself properly and you need more info.
I'm relatively new to this stuff. But I'm learning! :>>>>
Thanks for your reply.
<[email protected]> wrote in message news:[email protected]..
Hrm. Whoever told you this probably meant something else. What do you mean
by a 'servlet being called from a jsp' ?
PeterH <!REMOVEBeforeSending![email protected]> wrote:
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Michael Young
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Want to see session information through coherence console

I use coherence*web to push the http session information in,and I changed the coherence.cmd to let the configuration point to session-cache-config.xml
which is like:
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Thanks a lot!

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TIPS(16) : PROVIDING USERS WITH SESSION INFORMATION

제품 : SQL*PLUS
작성날짜 : 1996-11-12
TIPS(16) : Providing Users with Session Information
===================================================
rem
rem orasessn.sql
rem
rem
rem This script is used to provide users with information regarding their
rem oracle sessions.
rem The USER_SESSION view provides information related only to the
rem current session for a user; while the ALL_SESSIONS relates to all
rem sessions within the database for a user.
rem The DBA_SESSION can only be viewed by the
rem Oracle sys id (and anyone granted select on this view).
rem The DBA_SESSION lists all oracle sessions excluding the Oracle
rem generic processes (dbwr, pmon, smon, etc.).
rem The SID and SERIAL# can be used with killing sessions.
This script must be run from the Oracle sys id.
rem --------------------------------------------------------------------------
rem
set echo on;
spool orasessn;
rem
drop public synonym ALL_SESSIONS;
create or replace view ALL_SESSIONS
(USERNAME, OS_USER, SID, SERIAL#, STATUS, SERVICE, DATABASE,
CURSORS, MACHINE, TERMINAL, PROGRAM)
as
select substr(v1.username,1,20), substr(v1.osuser,1,12),
to_char(v1.sid,'999'), to_char(v1.serial#,'999999'),
v1.status, v1.server, substr(v3.value,1,10), v2.value,
substr(v1.machine,1,15), v1.terminal, v1.program
from v$session v1, v$sesstat v2, v$parameter v3
where v1.username = user
and v2.sid = v1.sid
and v2.statistic# = 3
and v3.name = 'db_name' ;
grant select on ALL_SESSIONS to PUBLIC;
create public synonym ALL_SESSIONS for ALL_SESSIONS;
rem
drop public synonym USER_SESSIONS;
create or replace view USER_SESSIONS
(USERNAME, OS_USER, SID, SERIAL#, STATUS, SERVICE, DATABASE,
CURSORS, MACHINE, TERMINAL, PROGRAM)
as
select substr(v1.username,1,20), substr(v1.osuser,1,12),
to_char(v1.sid,'999'), to_char(v1.serial#,'999999'),
v1.status, v1.server, substr(v3.value,1,10), v2.value,
substr(v1.machine,1,15), v1.terminal, v1.program
from v$session v1, v$sesstat v2, v$parameter v3
where v1.audsid = userenv('SESSIONID')
and v2.sid = v1.sid
and v2.statistic# = 3
and v3.name = 'db_name' ;
grant select on USER_SESSIONS to PUBLIC;
create public synonym USER_SESSIONS for USER_SESSIONS;
rem
create or replace view DBA_SESSIONS
(USERNAME, OS_USER, SID, SERIAL#, STATUS, SERVICE, DATABASE,
CURSORS, MACHINE, TERMINAL, PROGRAM)
as
select substr(v1.username,1,20), substr(v1.osuser,1,12),
to_char(v1.sid,'999'), to_char(v1.serial#,'999999'),
v1.status, v1.server, substr(v3.value,1,10), v2.value,
substr(v1.machine,1,15), v1.terminal, v1.program
from v$session v1, v$sesstat v2, v$parameter v3
where v1.username is not null
and v2.sid = v1.sid
and v2.statistic# = 3
and v3.name = 'db_name' ;
rem -------------------------------------------------------------------
spool off;

제품 : SQL*PLUS
작성날짜 : 1996-11-12
TIPS(16) : Providing Users with Session Information
===================================================
rem
rem orasessn.sql
rem
rem
rem This script is used to provide users with information regarding their
rem oracle sessions.
rem The USER_SESSION view provides information related only to the
rem current session for a user; while the ALL_SESSIONS relates to all
rem sessions within the database for a user.
rem The DBA_SESSION can only be viewed by the
rem Oracle sys id (and anyone granted select on this view).
rem The DBA_SESSION lists all oracle sessions excluding the Oracle
rem generic processes (dbwr, pmon, smon, etc.).
rem The SID and SERIAL# can be used with killing sessions.
This script must be run from the Oracle sys id.
rem --------------------------------------------------------------------------
rem
set echo on;
spool orasessn;
rem
drop public synonym ALL_SESSIONS;
create or replace view ALL_SESSIONS
(USERNAME, OS_USER, SID, SERIAL#, STATUS, SERVICE, DATABASE,
CURSORS, MACHINE, TERMINAL, PROGRAM)
as
select substr(v1.username,1,20), substr(v1.osuser,1,12),
to_char(v1.sid,'999'), to_char(v1.serial#,'999999'),
v1.status, v1.server, substr(v3.value,1,10), v2.value,
substr(v1.machine,1,15), v1.terminal, v1.program
from v$session v1, v$sesstat v2, v$parameter v3
where v1.username = user
and v2.sid = v1.sid
and v2.statistic# = 3
and v3.name = 'db_name' ;
grant select on ALL_SESSIONS to PUBLIC;
create public synonym ALL_SESSIONS for ALL_SESSIONS;
rem
drop public synonym USER_SESSIONS;
create or replace view USER_SESSIONS
(USERNAME, OS_USER, SID, SERIAL#, STATUS, SERVICE, DATABASE,
CURSORS, MACHINE, TERMINAL, PROGRAM)
as
select substr(v1.username,1,20), substr(v1.osuser,1,12),
to_char(v1.sid,'999'), to_char(v1.serial#,'999999'),
v1.status, v1.server, substr(v3.value,1,10), v2.value,
substr(v1.machine,1,15), v1.terminal, v1.program
from v$session v1, v$sesstat v2, v$parameter v3
where v1.audsid = userenv('SESSIONID')
and v2.sid = v1.sid
and v2.statistic# = 3
and v3.name = 'db_name' ;
grant select on USER_SESSIONS to PUBLIC;
create public synonym USER_SESSIONS for USER_SESSIONS;
rem
create or replace view DBA_SESSIONS
(USERNAME, OS_USER, SID, SERIAL#, STATUS, SERVICE, DATABASE,
CURSORS, MACHINE, TERMINAL, PROGRAM)
as
select substr(v1.username,1,20), substr(v1.osuser,1,12),
to_char(v1.sid,'999'), to_char(v1.serial#,'999999'),
v1.status, v1.server, substr(v3.value,1,10), v2.value,
substr(v1.machine,1,15), v1.terminal, v1.program
from v$session v1, v$sesstat v2, v$parameter v3
where v1.username is not null
and v2.sid = v1.sid
and v2.statistic# = 3
and v3.name = 'db_name' ;
rem -------------------------------------------------------------------
spool off;

How to get the complete sessions information ?

Dear All,
Can any one post a script to get complete sessions information.
Thanks in advance

Hi,
The following script may help u on finding the active sessions on your Oracle database .
SELECT SID,
serial#,
username,
(SELECT holding_session
FROM dba_waiters
WHERE waiting_session = s.SID
AND ROWNUM = 1
AND holding_session NOT IN (SELECT waiting_session
FROM dba_waiters))
holding_session,
DECODE (s.status,
'ACTIVE', ROUND (last_call_et / 60),
0
) time_min,
DECODE (s.status,
'ACTIVE', last_call_et,
0
) time_sec,
(SELECT used_urec
FROM v$transaction t
WHERE t.addr = s.taddr) undo_records,
(SELECT ROUND (sl.sofar / sl.totalwork * 100, 2)
FROM v$session_longops sl
WHERE s.SID = sl.SID
AND s.serial# = sl.serial#
AND s.status = 'ACTIVE'
AND sl.time_remaining > 0) progress,
(SELECT event
FROM v$session_wait w
WHERE w.SID = s.SID) wait_event,
(SELECT ROUND (VALUE / 1024 / 1024, 2) || 'M'
FROM v$sesstat
WHERE SID = s.SID
AND statistic# = 20) pga_size,
(SELECT ROUND (VALUE / 1024 / 1024, 2) || 'M'
FROM v$sesstat
WHERE SID = s.SID
AND statistic# = 15) uga_size,
(SELECT VALUE
FROM v$sesstat
WHERE SID = s.SID
AND statistic# = 4) commits,
(SELECT sql_text
FROM v$sql t
WHERE s.sql_address = t.address
AND s.sql_hash_value = t.hash_value
AND ROWNUM = 1) sql_used,
(SELECT MESSAGE
FROM v$session_longops sl
WHERE s.SID = sl.SID
AND s.serial# = sl.serial#
AND s.status = 'ACTIVE'
AND sl.time_remaining > 0) long_ops,
(SELECT LOWER (ins.instance_name)
|| '_ora_'
|| LTRIM (TO_CHAR (a.spid))
|| '.trc' filename
FROM v$process a
WHERE a.addr = s.paddr) trace_file_name,
resource_consumer_group,
s.status,
server,
osuser,
program,
module,
action,
NVL (LOWER (s.machine), ins.host_name) machine
FROM v$session s,
v$instance ins
WHERE username IS NOT NULL
AND s.status = 'ACTIVE'
AND s.audsid <> USERENV ('sessionid')
ORDER BY DECODE (s.status,
'ACTIVE', ROUND (last_call_et),
0
) DESC
Regards,
Kumar
[www.idatamax.com]

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Example:
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DrClap wrote:
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Hi All,
I currently using Oracle 9i for one of my datawarehouse database. I would like to know how can I see historical session information like SID, Username, Program, Consumer CPU Time etc. My main aim is to get Consumed CPU Time for a particular user in a day. Please let me know how can I get this information.
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Thanks,
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See Here
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