Pending requests in the Standard Manager queue

We are currently facing a situation in one of our Oracle EBS R12 instances, the current number of Standard Manager processes is set to 20, cache size 20 and sleep time 15 . We frequently observe that the concurrent requests get queued up in the Standard Manager queue (Concurrent->Manager->Administer).We have observed that the request queue gets cleared out when we temporarily increase the Standard Manager process to 30/40.But, the issue occurs again after some time, when we reset Standard manager process to 20.
Any help in this regard will be highly helpful.
OS: OEL 5.5 (x86)
EBS: 12.1.1
DB: 11.1.0.7
Install type: Multi-Node
Regards,
Rupdipt

Please see the docs referenced in your other thread -- Pending requests in the Standard Manager queue
Also, see old threads which discuss the same topic.
https://forums.oracle.com/forums/search.jspa?threadID=&q=Concurrent+AND+Manager+AND+Performance&objID=c3&dateRange=all&userID=&numResults=15&rankBy=10001
https://forums.oracle.com/forums/search.jspa?threadID=&q=Concurrent+AND+Manager+AND+Tuning&objID=c3&dateRange=all&userID=&numResults=15&rankBy=10001
https://forums.oracle.com/forums/search.jspa?threadID=&q=Concurrent+AND+Manager+AND+Processes&objID=c3&dateRange=all&userID=&numResults=15&rankBy=10001
https://forums.oracle.com/forums/search.jspa?threadID=&q=Concurrent+AND+Manager+AND+Pending&objID=c3&dateRange=all&userID=&numResults=15&rankBy=10001
Thanks,
Hussein

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Oracle Standard Manager Max No.Of Requests in Running Status

Hi,
We have a Batch Process program to Kick the Concurrent Programs from the Back-End. Based on the data, there are some programs which kicks more than once. Our issue is while kicking the programs, it kicks the same program multiple times at a time which is causing the problem. We have settings of 40 concurrent programs running at a time, can we know what is the best count to keep in order to solve this problem
Are do we have any alternate way to make that possible.
Please Explain...........
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So due to connections overflow, we are getting the programs errored out.Please suggest the error message.
So can u suggest, what is the Maximum No.Of Request can ran with Standard Manager?.It depend on memory availability on your concurrent manager server. Read below metalink note to tune Concurrent manager processes as per your need:-
A Holistic Approach to Performance Tuning Oracle Applications Systems [ID 69565.1]
And is there any way to create another Concurrent Manager, which can share the requests when the standard manager is overflowed. I am not aware of any method where in standard manager work can be diverted to some other manager once it gets overflowed other then PCP but for that you need to impleemnt CM tier on additional node. Please see below note for more:-
How to Setup and Test Failover of PCP on Non-RAC Environments. [ID 743716.1]
Apart from it you can create custom concurrent managers and assign it to custom request to be run under it, by this way you can reduce load on standard manager. See below discussion on custom manager:-
Re: Concurrent manager quest
Also see
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Thanks,
JD

Oracle Standard Manager Hang

Good Day every One ,
Am working on Oracle Application 12.1.3
And Database 1.2.0.3
And OS RedHat 6.1
I had this problem my standard manager have too many pending request and there is no one can see the output of the oracle requests because all of them have pending normal status .
standard manager Actual    target     runinig    pending
                              15          15          15          23
how can i solve this issue ?

CCM.sql output
===================================================================
Step 1 Checking how many rows in FND_CONCURRENT_REQUEST.
COUNT(*)
    355323
Step 2 Checking how many rows in FND_CONCURRENT_PROCESSES table.
COUNT(*)
     17999
Step 3 Checking sys.dual table which should have one and only one row.
COUNT(*)
         1
If you have more than one row in sys.dual, please delete it
sql> delete rownum from SYS.DUAL
rownum= the row number to delete
Step 4 Checking fnd_dual. There must be at lest one row:
COUNT(*)
       143
If there are no record selected,
Update fnd_dual table to have at lest one record
Step 5 Checking the Internal Manager queue name "FNDICM" which should be=1
CONCURRENT_QUEUE_ID
                  1
Step 6 Checking for Active processes under the Internal Manager queue
in fnd_concurrent_proceses table:
CONCURRENT_QUEUE_NAME          OS Proc     Oracle ID P
FNDICM                         7456               28 A
If any rows found with process_status_code with value = 'A' (= Active)
The internal Manager will not start up ,so to avoide this issue
update these rows to have process_status_code value ='K'(terminated)
Step 7 Checking for Active processes under the Standard Manager queue
in fnd_concurrent_proceses table:
CONCURRENT_QUEUE_NAME          OS Proc     Oracle ID P
STANDARD                       7880               33 A
STANDARD                       7908               51 A
STANDARD                       7909               49 A
STANDARD                       7910               50 A
STANDARD                       7934               54 A
STANDARD                       7935               53 A
STANDARD                       7936               48 A
STANDARD                       7937               56 A
STANDARD                       7950              148 A
STANDARD                       7951               58 A
STANDARD                       7952               59 A
CONCURRENT_QUEUE_NAME          OS Proc     Oracle ID P
STANDARD                       7959               57 A
STANDARD                       7962               61 A
STANDARD                       7965               55 A
STANDARD                       7968               26 A
15 rows selected.
If any rows found with process_status_code with value = 'A' (= Active)
The internal Manager will not start up ,so to avoide this issue
update these rows to have process_status_code value ='K'(terminated)
Step 8 Checking for Active processes under the Conflict Manager queue
in fnd_concurrent_proceses table:
CONCURRENT_QUEUE_NAME          OS Proc     Oracle ID P
FNDCRM                         7870               52 A
If any rows found with process_status_code with value = 'A' (= Active)
The internal Manager will not start up ,so to avoide this issue
update these rows to have process_status_code value ='K'(terminated)
Step 9 Checking Actual and Target Processes for Internal Manager:
MAX_PROCESSES RUNNING_PROCESSES
            1                 1
If the MAX_PROCESSES=RUNNING_PROCESSES that means the manager is UP.
Step 10 Checking Actual and Target Processes for the Standard Manager:
MAX_PROCESSES RUNNING_PROCESSES
           15                15
If the MAX_PROCESSES=RUNNING_PROCESSES that means the manager is UP.
Step 11 Checking Actual and Target Processes for Conflict Resolution Manager:
MAX_PROCESSES RUNNING_PROCESSES
            1                 1
If the MAX_PROCESSES=RUNNING_PROCESSES that means the manager is UP.
Step 12 Checking if the control_code set to 'N':
no rows selected
If any rows selected, please update the table fnd_concurrent_queues:
Update fnd_concurrent_queues set control_code = null
where control_code ='N'
Update fnd_concurrent_queues set target_node = null
commit
Step 13 Checking terminated processes:
COUNT(*)
         0
If you have terminated processes run the following sql statement:
SQL> Update fnd_concurrent_requests
set status_code = 'E', phase_code = 'C'
where status_code = 'T'
Step 14 Checking pending requests:
COUNT(*)
         0
If any rows selected please run the following sql statement:
SQL> Update fnd_concurrent_requests
set status_code = 'E', phase_code = 'C'
where status_code = 'P'
Step 15 Checking Running processes:
COUNT(*)
        15
If you have Running processes run the following sql statement
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set status_code = 'E', phase_code = 'C'
where status_code = 'R'
Step 16 Checking the PMON method, which should be set to LOCK:
no rows selected
If the PROFILE_OPTION_VALUE was't LOCK please
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1-At UNIX command prompt:
2-cd $FND_TOP/sql
3-Log into SQLPLUS as apps/
SQL> @afimpmon.sql
prompt1:dual
prompt2:LOCK (LOCK MUST BE ALL UPPERCASE)
For Oracle Applications Release 11.5 and 12.0, when you check the PMON
Method you may get no rows selected which is normal,
because in apps 11.5 and 12.0 the PMON Method is hard coded to Lock at
the Operating System level.
Step-17 Checking how many FNDLIBR processes are running:
-For Unix :From unix command prompt $ ps -ef |grep -i fndlibr
If you have any FNDLIBR processes running,please kill them before
starting or shuting down the internal manager
-For NT, through Task Manager, check the entries under the Processes tab
SP2-0734: unknown command beginning "for FNDLIB..." - rest of line ignored.
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Step-18 Checking how many "FND_%"invalid objects:
no rows selected
If you have any invalied objects please see Note 113947.1
Step-19-How to find the PID in the O/S for request_id:
If you do not like to check this enter any number then click Enter to Exit
Enter value for request_id: 871285
old   4: and request_id=&request_id
new   4: and request_id=871285
no rows selected
Please upload the "ccm.lst" output to Support, Thanks.
============================================================

Standard manager is not picking up new requests 1533 requests are pending

Hi all,
Currently we are in R12.1.3 with DB 11.1.0.7 on RHEL 5
Suddenly Standard manager is not picking up any new requests actual and target are same but pending requests count reaches 1533 also conflict resolution manager actual & count is same but pending requests count is 219.
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"Found dead process: spid=(32711), cpid=(64450), ORA pid=(17), manager=(0/1)" apart from this message there is nothing error in standard manger log file as well as cCRM logfile.Please check if you have any errors in the database log file.
Concurrent Processing - Service Manager Processes Are Not Starting After System Restart - usdsop cannot redirect standard output [ID 733901.1]
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Concurrent Processing - CCM.sql Diagnostic Script to Diagnose Common Concurrent Manager Issues [ID 171855.1]
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Why Are Dead Process Found In The Standard Manager Log File? [ID 246584.1]
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Hussein

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hello guys,
We are having eBiz 11.5.9 environment and 9.2.0.6 Database on AIX 5.3 32-bit environment.
I am new to this client's environment and found that, there are 3 include specialization rules defined for Standard Manager which does not include "Active Responsibilities" program but still this Standard Manager is executing "Active Responsibilities" without any issues.
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===================================
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Running Manager
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0 ALTS
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no rows selected
===================================
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Prasad
Edited by: 881822 on Dec 7, 2011 3:00 AM

Hi Hussein,
Thnks for your reply,
My second doubt is resolved as even though there are no specialization rules assigned to ALTS manager , that means it is exactly the same as that of Standard Manager and will execute all the programs. Below is statement from your mentioned pdf ,
=========
Specialize your manager to run only certain kinds of requests. Without specialization rules, a manager accepts requests to start any concurrent program.
=========
Regarding your first question, Yes , we do bounce managers once in a month , below is the status of those two conc programs which are INCLUDED in Standard Manager.
SQL> select 'Concurrent program '||fcp.concurrent_program_name||' is ' ||decode(fcqc.include_flag,'I','included in ','E','excluded from ')||fcqv.user_concurrent_queue_name specialization_rule_details from fnd_concurrent_queues_vl fcqv,fnd_concurrent_queue_content fcqc,fnd_concurrent_programs fcp where fcqv.concurrent_queue_id=fcqc.concurrent_queue_id and fcqc.type_id=fcp.concurrent_program_id and fcp.concurrent_program_name='CPINR080C';
SPECIALIZATION_RULE_DETAILS
Concurrent program CPINR080C is included in Standard Manager
Concurrent program CPINR080C is excluded from TESTPlus General
SQL> select 'Concurrent program '||fcp.concurrent_program_name||' is ' ||decode(fcqc.include_flag,'I','included in ','E','excluded from ')||fcqv.user_concurrent_queue_name specialization_rule_details from fnd_concurrent_queues_vl fcqv,fnd_concurrent_queue_content fcqc,fnd_concurrent_programs fcp where fcqv.concurrent_queue_id=fcqc.concurrent_queue_id and fcqc.type_id=fcp.concurrent_program_id and fcp.concurrent_program_name='CPDOR270C';
SPECIALIZATION_RULE_DETAILS
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Prasad

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Hi Hussein,
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ACTION PLAN
============
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Hi,
yes hussein, we have it, but the site value is 1 , is it the profile value?This is the profile option value you have to change (minimum should be 8).
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