Inactive sessions increasing over time

But, the number of open connectios(ie.,other than SYSTEM active session,
i could see only inactive sessions ) is not staying constant.
Rather,it grows over time.
[NOTE:
I dont know why the application user sessions are always in inactive state.
If they didn't use that session at all (or) if the session is not doing any operation means , why unnecssarily the have to open these many inactive sessions.]
Can you please give me a solution to overcome the application's connection leak?

This appears to be a duplicate of the post I replied to in When we go for shared Server environment?
Justin

Similar Messages

Inactive sessions increasing database

Hi
We are using oracle11.5.10.2 on windows 2000 server and database version 10.2.0.3
we are facing problem with inactive sessions,grdually inactive sessions increasing and thats leads database crash.
Temporary i increased processes parameter value tp 400 prviously it was 200
Most of inactive session from apps user only
How can i fix this problem?
Thanks
With Regards
OH

Hi,
Please see these threads.
how to kill inactive sessions????????
how to kill inactive sessions????????
Inactive sessions in Database
Re: Inactive sessions in Database
Regards,
Hussein

Memory pool Code Cache increasing over time

Hi,
We are using JConsole to monitor some of our servers which are running JCAPS. We have a couple of JCAPS applications deployed on these servers. We are using JConsole to monitor this server and we can see that the Memory pool Code Cache seems to be increasing over time. It is around 21M at the moment and has gone up from 18M 3 days back. Is this accepted behavior? Should it not be a varying graph, going down coming back up again?
Any help in this direction is much appreciated.
Cheers,
Suchitra

This might be due to this bug raised for JDBC Client/Server connection
Bug 12969330 : MEMORY LEAK IN JDBC CS FOR CALLABLE/PREP STATEMENT W/ NUMPARM % 4 != 0
There is a leak in JDBC driver which seems to affect only C/S; it does not seem to affect direct or batch. ** This bug has been there since 11.2.1.6.0.
Here are few conditions which are needed for this bug to occur:
1. Application must be using a Client/server connection
2. Applications repeatedly does the following:
1. Create a PreparedStatement or CallableStatement
2. set or register IN, OUT or IN OUT parameters
3. Number of parameters is not an integral multiple of 4. It is the total number of parameters which matter; parameter type does not matter. JDBC driver leaks memory if the number of parameters in a PreparedStatement/CallableStatement are not an integral multiple of 4.
3. On a close 1-3 parameters can be leaked.
If your application deals with above scenario then there is a possible chance of the bug being hit. An example of a scenario :-
The below PreparedStatement has 1 parameter (so it's not an integral multiple of 4):
preparedStatement = connection.prepareStatement("SELECT col1 FROM Tab1 WHERE col2 = ? "); <===== Possible memory leak here
To workaround the bug, you can add 3 dummy parameters -- SELECT col1 FROM Tab1WHERE col2 = ? and 1=? and 1=? and 1=? and set parameters 2,3 and 4 to 1.
preparedStatement = connection.prepareStatement("SELECT col1 FROM Tab1WHERE col2 = ? and 1=? and 1=? and 1=? ");
I've seen this bug a couple of times now. I don't think there is a release yet which includes a fix.

Inactive sessions increasing in database

Hi
Recently i migrated Oracle9i database to oracle10g database 64 bit on windows 2008 server.
After Migration.Inactive sessions are not automatically flushing from database,and these inactive sessions are reaching maximum sessions limits that leads to Database Hang.
How can i solve this inactive sessions problem?
Thanks
With Regards
OH

damorgan wrote:
desc sys.kottd$Interesting table and custom data type.
SQL> set long 9999
SQL> col SQL format a50
SQL>
SQL> select
2          DBMS_METADATA.get_ddl( 'TABLE', 'KOTTD$', 'SYS')        as SQL
3 from       dual;
SQL
CREATE TABLE "SYS"."KOTTD$" OF "SYS"."KOTTD"
OIDINDEX ( PCTFREE 10 INITRANS 2 MAXTRANS 255
STORAGE(INITIAL 65536 NEXT 1048576 MINEX
TENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFF
ER_POOL DEFAULT)
TABLESPACE "SYSTEM" )
PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS
LOGGING
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MA
XEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GRO
UPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "SYSTEM"
SQL>
SQL>
SQL> select
2          DBMS_METADATA.get_ddl( 'TYPE', 'KOTTD', 'SYS')        as SQL
3 from       dual;
ERROR:
ORA-31603: object "KOTTD" of type TYPE not found in schema "SYS"
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 105
ORA-06512: at "SYS.DBMS_METADATA", line 2805
ORA-06512: at "SYS.DBMS_METADATA", line 4333
ORA-06512: at line 1
no rows selected
SQL>
SQL> col attr_name format a30
SQL> col attr_type_name format a30
SQL> select
2          attr_no,
3          attr_name,
4          attr_type_name
5 from       dba_type_attrs
6 where      type_name = 'KOTTD'
7 and        owner = 'SYS'
8 order by attr_no;
   ATTR_NO ATTR_NAME                      ATTR_TYPE_NAME
         1 KOTTDKVN                       UNSIGNED BINARY INTEGER(32)
         2 KOTTDSCH                       VARCHAR2
         3 KOTTDNAM                       VARCHAR2
         4 KOTTDUVN                       VARCHAR2
         5 KOTTDTC                        UNSIGNED BINARY INTEGER(16)
         6 KOTTDTDS                       CANONICAL
         7 KOTTDNDS                       CANONICAL
         8 KOTTDFLG                       UNSIGNED BINARY INTEGER(16)
         9 KOTDVSN                        UNSIGNED BINARY INTEGER(16)
        10 KOTTDBDY                       KOTTB
10 rows selected.
SQL> -- not even a varchar2 attr of the data type "accessible"
SQL> select KOTTDNAM from sys.kottd$ where rownum < 11;
select KOTTDNAM from sys.kottd$ where rownum < 11
ERROR at line 1:
ORA-00904: "KOTTDNAM": invalid identifier
SQL> -- Calling the constructor? Oracle no likes..
SQL> select KOTTD( null, 'test','test','test',null,null,null,null,null,null) from dual;
select KOTTD( null, 'test','test','test',null,null,null,null,null,null) from dual
ERROR at line 1:
ORA-00600: internal error code, arguments: [qctcte1], [0], [], [], [], [], [], []
SQL>

RAM utilization keeps increasing over time

Environment: SharePoint Server 2010 on a stand-alone server, total RAM: 24GB
I noticed that on our server the RAM utilization keeps going up until it gets to about 94-97% at which point everything become extremely slow or completely non-responsive. we reboot the server, the RAM utilization goes down to about 28% but then starts
increasing again. I used Resource Monitor and looked at the memory section. From the processes listed there it looks like the sqlserver.exe process's private memory usage keeps increasing proportionally to the whole RAM utilization while the other
processes seem to be relatively constant. Here is a sample data:
August 1st: 44% used physical memory, SQL Server private memory:4.2GB
August 5th: 63% used physical memory, SQL Server private memory:8.6GB
August 9th: 74% used physical memory, SQL Server private memory:12.1GB
August 12th: 78% used physical memory, SQL Server private memory:13.7GB
Could you please suggest any tools or techniques that would help us determine what is causing this increase in RAM utilization?
thanks,

For single instance SQL 2008 R2 or higher installations where no other applications (like SharePoint) are running, it is not necessary to set MAXMEM.
Trevor Seward, MCC
Follow or contact me at...
This post is my own opinion and does not necessarily reflect the opinion or view of Microsoft, its employees, or other MVPs.

About this mac storage backups is growing over time

I have a Timecapsule that I use time machine to backup 2 macs to. One of the macs concerns me because when I go to "about this mac", "storage" the value for "backups" is increasing over time. each mac has its own unique account one of them has zero for the length of backups, both appear to backup ok with time machine. Is the value for backups as indicated in the mac a sign that it's not being backed up to the time capsule? do i have a configuration problem?

The sparsebundle can be checked on the TC for each machine.. mount the backup and make sure it is working.
0 for length of backup isn't right.. there is always something to backup.

Increase and decrease a numerical text layer over time

I need to create a text layer with a numerical value that will range from 0% to 100% over time using key frames. I need the value to change over time, increasing or decreasing the percentage based on key frames. Any ideas? Thank you!

Add a Slider Control effect to the text layer, which you use to keyframe the percentage, then use this expression on the text layer's Source Text property:
effect("Slider Control")("Slider").value.toFixed(0) + "%";
The value in toFixed(0) controls the number of decimal places.

Possible to increase rate of rotation over time?

I need to simulate something similar to the effect of a car wheel rotating, strictly in 2-D, a totally flat side-view. The complication is that I need the "wheel" to be stopped at first, then slowly ramp up speed over time until it reaches a maximum rate. Is it possible to increase the rate of rotation over time? I have tried creating a constant-rate rotation, then exporting as a Quicktime and applying a speed ramp to the mixdown. This looks terrible.
Any thoughts? Thanks in advance.
Also, I may post this over at the FCP board, in case anyone there has an idea.
John

Actually, that's not true for FCP or Motion. You can set a keyframe at 0 rotation, and then another at the point where you want the rotation to be a full speed and a third keyframe at the end of your animation. Then just right-click the 1st keyframe in the keyframe editor and choose Interpolation: Bezier.
From there, it's just a matter of adjusting the curve until you have the ramp that you're looking for.
In FCP, you can add keyframes in much the same way in the Motion tab. Then you right-click the 1st keyframe and choose Smooth from the menu. This will give you a bezier handle that you can adjust to create a ramp.
I suggest using Motion though as it's a little easier to add and adjust keyframes.
Andy

How can I create a ramp function, that continuously increases the voltage over time?

I do not have the option of upgrading to a full version or version 7, so I do not have the ramp vi. How can I increase the voltage over time, because I don't think that ramp vi even has a time element.

The ramp.vi can easily be duplicated with a few wire strokes, see e.g. attached diagram image.
(Of course, in your case you don't even need the ramp output, just update the voltage in a timed fashion as shown. Just add your own trimmings).
LabVIEW Champion . Do more with less code and in less time .
Attachments:
ramp.gif ‏4 KB

Increase video exposure gradually over time

So, i've made a timelapse in which photos is getting from lighter at the begging to darker in the end, because natural light conditions were also changing. I could not alter shutter speed, iso, aperture during the whole process, as it was set on manual. Is it possible to add exposure effect which could change exposure over time gradually foe example from 0 to +5 , to compensate video from getting slowly darker. I hope you get the idea. Or i have to manually change the exposure of source images which ar darker before making timelapse video. Thanks in advance for answering the question.

Add an Adjustment Layer for your compensating effect, then:
Adding, navigating, and setting keyframes - Pr
http://help.adobe.com/en_US/premierepro/cs/using/WS1c9bc5c2e465a58a91cf0b1038518aef7-7e63a .html
Adobe Premiere Pro Help / Adjustment Layers
http://helpx.adobe.com/premiere-pro/using/help-tutorials-adjustment-layers.html

PL/SQL procedure to kill inactive session

Hi all ,
Please i am trying to write a procedure to kill inactive sessions of the shema 'TESTSCHEMA' .This is my first procedure , am not use to pl/sql but i went through many turtorial but have some errors at compliation .when i try to compile the procedure the errors are as below :
15:50:28 Start Find Objects [TESTSCHEMA@TESTDB_UNIX(2)] ...
15:50:28 End Find Objects [TESTSCHEMA@ TESTDB_UNIX(2)]
15:50:32 Start Compiling 1 object(s) ...
15:50:32 Executing ALTER PROCEDURE fib_dead_cnx_cleanup COMPILE ...
15:50:32 [13:2] PL/SQL: ORA-00933: SQL command not properly ended
15:50:32 [9:3] PL/SQL: SQL Statement ignored
15:50:32 [18:12] PLS-00103: Encountered the symbol "(" when expecting one of the following:
15:50:32 constant exception <an identifier>
15:50:32 <a double-quoted delimited-identifier> table LONG_ double ref
15:50:32 char time timestamp interval date binary national character
15:50:32 nchar
15:50:32 The symbol "<an identifier>" was substituted for "(" to continue.
15:50:32 [18:21] PLS-00103: Encountered the symbol "LOOP" when expecting one of the following:
15:50:32 := ; not null default character
15:50:32 The symbol "; was inserted before "LOOP" to continue.
15:50:32 [27:8] PLS-00103: Encountered the symbol "ALTER" when expecting one of the following:
15:50:32 begin case declare exit for goto if loop mod null pragma
15:50:32 raise return select update while with <an identifier>
15:50:32 <a double-quoted delimited-identifier> <a bind variable> <<
15:50:32 close current delete fetch lock insert open rollback
15:50:32 savepoint set sql execute commit forall merge pipe
15:50:32 Compilation complete - 5 error(s) found
15:50:32 End Compiling 1 object(s)
below is the procedure code :
CREATE OR REPLACE
PROCEDURE fib_dead_cnx_cleanup
AS
l_serial     CHAR(100);
l_sid CHAR (100);
l_sid_serial CHAR(100);
l_count      NUMBER(10,0);
CURSOR session_cur IS
          SELECT sid,serial#,sid||','||serial# as sid_serial
     FROM v$session
     WHERE username='EBBFCAT' and schemaname='TESTSCHEMA'
     and status='INACTIVE'
BEGIN
     BEGIN
     l_count := 0;
               OPEN session_cur;
                    WHILE ( 1 = 1) LOOP
                         BEGIN
                              FETCH session_cur INTO l_sid ,l_serial,l_sid_serial ;
                                   EXIT WHEN session_cur%NOTFOUND ;
                              BEGIN
                                   alter system kill session 'l_sid_serial' ;
                              END;
                         END;
                    END;
               CLOSE session_cur;
     END;
END FIB_DEAD_CNX_CLEANUP;
Thanks

Hi,
Never write, let alone post, unformatted code.
When posting any formatted text on this site, type these 6 characters:
{code}
(small letters only, inside curly brackets) before and after sections of formatted text, to preserve spacing.
Among the benefits of formatting: you can indent to show the extent of blocks, such as BEGIN-END.
Different types of blocks need modifiers after the end, such as "END *IF* " and " END *LOOP* ". If each opening statement (BEGIN, IF, LOOP) is directly above its corresponding END, then it's easy to check if you got the right modifier.
Here's what you code looks like with some formatting, and a couple of corrections added. Look for -- comments.
CREATE OR REPLACE
PROCEDURE fib_dead_cnx_cleanup
AS
     l_serial     CHAR(100);
     l_sid          CHAR (100);
     l_sid_serial     CHAR(100);
     l_count          NUMBER(10,0);
     CURSOR session_cur IS
            SELECT sid
            ,       serial#
            ,       sid     || ','
                                  || serial#     as sid_serial
            FROM     v$session
            WHERE      username     = 'EBBFCAT'
            and     schemaname     = 'TESTSCHEMA'
            and     status          = 'INACTIVE';          -- need semicolon here
BEGIN
     BEGIN                                   -- Why?
          l_count := 0;
          OPEN session_cur;
          WHILE ( 1 = 1)
          LOOP
                BEGIN                         -- Why?
                     FETCH session_cur
                     INTO   l_sid
                     ,          l_serial
                     ,          l_sid_serial ;
                           EXIT WHEN session_cur%NOTFOUND ;
                     BEGIN                    -- Why?
                         alter system kill session 'l_sid_serial' ;    -- Not a PL/SQL command
                           END;
                      END;
            END LOOP;                         -- LOOP ends with END LOOP
            CLOSE session_cur;
        END;
END      FIB_DEAD_CNX_CLEANUP;Take baby steps.
I've been wrtiing PL/SQL for 20 years, and I would never write that much code at once. If you're a beginner, all the more reason to start small. Write as little as possible, test, debug and test again (if necessary). When you have someting working, add 2 or 3 more lines and test again.
It looks like you have three BEGIN statements that don't serve any purpose. You should get rid of them (and their corresponding END statements, of course).
One error I did not fix: ALTER SYSTEM is not a PL/SQL statement. It's a SQL statement. You can run a SQL statement inside PL/SQL by using dynamic SQL, where you construct a string containing the SQL statement, and then use dbms_sql or EXECUTE IMMEDIATE to run it.
Edited by: Frank Kulash on Aug 18, 2009 12:37 PM

How to increase the time at the end of what aaa requeries the authentication of a client web

Hi All,
I configure ASA aaa to authentificate our internal web client to access to internet. It's check the username/password of client in our Active Directory.
When the client initiate the first connexion, the ASA request the login connexion and when it's correct, it authorise the access. But after 10 min for exemple, it's request again the login, and so one and so one. Approximativelly, after each ten minute, it requeste an username/password.
I want to know how can i increase the time between two authentifcation. Or increase the time of 10 min.
Thanks.

The authentication timeout is configurable via the "timeout uauth" command, and you can set either absolute or inactivity timeout.
Here is the command for your reference:
http://www.cisco.com/en/US/docs/security/asa/asa84/command/reference/t.html#wp1569874

Skype using High levels of RAM over time

So recently i've noticed that Skype has been using increased levels of RAM over time. Before i think 7.1 it sat at a steady 170k or lower but since the recent update, it seems to scale all the way up to nearly using 80% of my RAM after being on for an hour. Is there a reason this happens or is it a memory leak issue?

Hi,
I'm having the same issue as you.
For my situation, with Windows 7 Ultimate 64bit, with 8 GB of RAM available, Skype use randomly from 400 Mb to 1.5 Gb of Ram slowing down all the PC..
I have to kill the Skype process for working well.
My SKYPE version is 7.3.0.101.
I need to resolve this problem (and, from my point of view, uninstall the newest version and install the older one is not a solution)
Thanks in advance
Andrea

Inactive sessions in v$session. True problem

Hi,
I am working in an Oracle 9i/Weblogic/J2EE platform. And when i look for session info in v$session view, i see that there are many sessions that have a status "Inactive". I already figured out what it means- the session is ACTIVE when it is doing an SQL query at the time and the session is INACTIVE when it is not doing an SQL query at that particular moment.
But i have questions:
1) If a client logs in to my webapplication and does a SQL query- then the sessions status is ACTIVE. After that, when the client just leaves (logs out just closes the browser) then Oracle marks that connection as 'INACTIVE'- Oracle does not KILL that session.
Ok let that be, but can another client then log in to my webapplication (from different computer) and get that same INACTIVE connection and start to use it?? If not, then these "abandoned" connection are truly useless, because they still use ORACLE resources (memory).
2)Another thing is that there are many INACTIVE sessions in v$session that have a name "plsqldev.exe" in PROGRAM column. That is a database client that i use to connect directly to my DB. But basicly i have only one PL/SQL program with one SQL query window open (this session is marked ACTIVE in v$session). So are these other 10 INACTIVE "plsqldev.exe" sessions meant for new plsql clients that may start to use the database or can only that particular user for whom the session was created at first place use that session?
And finally- sessions that are INACTIVE and have "plsqldev.exe" as a PROGRAM in v$session - is there any chance that a client logs in to webapplication and then gets that INACTIVE session?
If not, then these 10 INACTIVE plsqldev sessions (allthough the user has maybe shut down the program) are wasteless for webapplication users and they just starve the database.
Also a screenshot for illustration.
Waiting for your comments,
Thanks!

If connection pooling is in use then yes a different end-user can reuse the "inactive" session. Remember that ACTIVE and INACTIVE really only refers to if the session is executing SQL at the exact moment you query v$session.
In the case of a dedicated user connection using a product like Oracle Forms where the user spends much of the time reading and filling in screen fields the Oracle background session can show INACTIVE almost constantly because the queries being ran by the user are very fast.
Take a look at the last_call_et column. This is the time in seconds from when the last SQL statement was issued (not completed). If this value is resetting then the queries are being done.
If the time is large and the status is INACTIVE then you could have a 'dead' or 'runaway' background process which is a background process without a front-end process. Those can and should be terminated. For that matter sessions that are idle for long periods of time should probably also be killed. If nothing else runaway and idle sessions may make it appear you are using all your licensed connections even if you really are not.
Most connection pools wil automatically restart a terminated connection so if you clean-up process terminates an idle pooled connection it should not be a problem.
HTH -- Mark D Powell --

Active vs Inactive sessions

We are using Oracle 11 as a backend to PowerSchool (a student information system) with 6 application servers (dc-ps-01 thru -06). Using the following SQL, we are seeing numerous INACTIVE sessions vs ACTIVE.
select
count(b.machine) as mCount,
b.machine box,
b.status,
b.osuser os_user,
b.program program
from
v$session b, v$process a
where
b.paddr = a.addr and type='USER'
group by
b.machine,b.osuser,b.program,b.status
order by
b.status, mCount desc, box;
Sample output:
MCOUNT Box Status OS_USER Program
*2     DC-PS-01*     ACTIVE     powerschool     JDBC Thin Client
1     DC-PS-DB1     ACTIVE     DC-PS-DB1$     OMS
1     DC-PS-DB1     ACTIVE     SYSTEM     ORACLE.EXE (J001)
1     DC-PS-DB1     ACTIVE     SYSTEM     ORACLE.EXE (J000)
406     DC-PS-05     INACTIVE     powerschool     JDBC Thin Client
*44     DC-PS-01*     INACTIVE     powerschool     JDBC Thin Client
36     DC-PS-03     INACTIVE     powerschool     JDBC Thin Client
32     DC-PS-04     INACTIVE     powerschool     JDBC Thin Client
28     DC-PS-02     INACTIVE     powerschool     JDBC Thin Client
17     DC-PS-06     INACTIVE     powerschool     JDBC Thin Client
7     DC-PS-DB1     INACTIVE     DC-PS-DB1$     OMS
While the number of ACTIVE sessions fluctuate, the number of INACTIVE ones do not decrease. Would someone explain the internal working of this?
Thanks!

Note that the status column of v$session only shows ACTIVE while the Oracle session background process is busy performing a SQL statement on behalf of the front-end session. If the application spends most of its time with the user entering data onto or reading results off a screen then the session is going to appear INACTIVE most of the time in Oracle.
Also check the last_call_et to see how long it has been since the session issued a request to Oracle. This is how to tell if the session is truely INACTIVE.
If the front-end application uses connection pooling then depending on how many connections the application is set to grab and what kind of connection pool session management the front-end product provides you can have a lot of basically unneeded and truely inactive sessions.
HTH -- Mark D Powell --

Inactive sessions increasing over time

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