How to statistic the rest dialog work process?

Dear Gurus,
Is there some method we can statistic the rest dialog work process in every ten minutes in our sap ECC prd system(ECC 6.0)？(I want to use the number to evaluate our SAP system's performance. Esp, at the business peak period.)
Thank you!
Jason

Hi Jason,
If I understand correct, you want to find out number of required work processes.
You can find it, by using "ST02 -> Go to -> Current Local Data -> SAP cursor cache -> ID cache" path. On this table, you can analyze how many work processes are really running and how many work processes are waiting at the idle state.
There is no time based values, about these statistics. These values indicate current stats.
Best regards,
Orkun Gedik

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Dear Friends,
IIn our production system one dialog work process is running more then 5 days. i can not terminate or cancel the process.'
I tried all the ways to cancel the work process. i restart the system (offline backup) but still that work process are showing running status....
Kindly advice....
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Sundar.C

IIn our production system one dialog work process is running more then 5 days. i can not terminate or cancel the process.'
I tried all the ways to cancel the work process. i restart the system (offline backup) but still that work process are showing running status....
Maximum runtime of dialog work process is controlled by parameter rdisp/max_wprun_time I am not sure how it is possible to have dialog work process running for so many days. Secondly, when you restart the system means new PIDs will be allocated and it will be not the same dialog work process. Check SM50, trace information for more details and clues.

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Hi,
I meet one performance problem that one user can open 6 sessions in the GUI and he/she can run 6 reports at the same time witch could occupy 6 dialogs in the sap R/3 instance. It makes poor performance for other users.
Would you pls tell me how to limit the no. of sessions one user can create at the same time or how to limit the no. of dialogs one user can occupy at the same time?
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I used this parameters in the default profile as blew:
rdisp/rfc_check 1
rdisp/rfc_use_quotas 1
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It still didn't work.
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Hello,
We can reserve DIA W.P by giving value to the parameter :- rdisp/rfc_min_wait_dia_wp=1(default)
that have to necessarily remain free for other users.
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Reply...
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Hello gurus,
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Thaks for your help,
Best regards

> Just one question, according to the following statement, can I think that I should estimate a usage of 1/4 CPU core by every dialog WP?
No, this was just an example to make clear what I mean.
> Do you know any SAP note that could help me to estimate the number of WP according to the load of the system?
There is no such note and there can't be.
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Hi All
In one of our Applicaion Systems we initially had allocated only 2 Dialog Work Processes, now we want to increase this, without reducing any of the other Work Processes.
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Regards
Biju Kumar

You can increase the number of work processes by either:
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Or by creating an operation mode in RZ04.
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Dialog work process

Hi Experts,
I am working as a BASIS Consultant,I have one doubt.
In our company about 50 users are there.If all 50 users are logged into the SAP PRD System,In SM50 tcode dialog work process are 9 free out of 10.
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Hi Patan,
Please understand the concept of work process understand it's not a 1-to-1 relationship between DIA workprocess and user.One Dialog process can handle multiple users and is solely based on the activity performed by the user.Logged users wont occupy 100% of workprocess unless it goes to "private"/PRIV mode.If you found any user any priv mode check whether he is performing any backgroud/batch processing updates.If found idle kill the process in SM51 as it will consume more memory leads to high cpu utilization.The Dispatcher handles all the request of all users and put them in the Dispatcher-queue, and this will be forwarded to a DIA workprocess as soon as it became idle, even in milliseconds, so that's why it can handle hundreds of requests in this queue.
Please read the documentations on dispatcher to understand the process better.
https://help.sap.com/saphelp_46c/helpdata/en/fc/eb2e7d358411d1829f0000e829fbfe/content.htm
notes on work process - ABAP Development - SCN Wiki
Dispatcher & Work Process
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Hi,
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M *** ERROR => ThCheckEmState: no em context for T2/M0 [thxxmem.c    381]
M *** ERROR => ThCheckEmState: no em context for T2/M0 [thxxmem.c    381]
C
C Wed May 19 09:01:40 2010
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C build_stmt: reallocating stmt buffer: 3312 -> 4328 characters
C build_stmt: reallocating stmt buffer: 256 -> 2000 characters
C build_stmt: reallocating stmt buffer: 2816 -> 3822 characters
C build_stmt: reallocating stmt buffer: 3822 -> 4823 characters
C build_stmt: reallocating stmt buffer: 512 -> 2000 characters
C build_stmt: reallocating stmt buffer: 2048 -> 3050 characters
C build_stmt: reallocating stmt buffer: 3050 -> 4052 characters
M
M Wed May 19 09:01:42 2010
M *** ERROR => ThCheckEmState: no em context for T2/M0 [thxxmem.c    381]
M
M Wed May 19 09:01:57 2010
M *** ERROR => ThCheckEmState: no em context for T2/M0 [thxxmem.c    381]
M
M Wed May 19 09:04:46 2010
M *** ERROR => ThCheckEmState: no em context for T2/M0 [thxxmem.c    381]
B ***LOG BY4=> sql error 60     performing SEL on table NRIV       [dbtran#4 @ 7588] [dbtran 7588 ]
B ***LOG BY0=> ORA-00060: deadlock detected while waiting for resource [dbtran#4 @ 7588] [dbtran 7588 ]
B dbtran ERROR LOG (hdl_dbsl_error): DbSl 'SEL'
B   RSLT: {dbsl=99, tran=1}
B   FHDR: {tab='NRIV', fcode=33, mode=2, bpb=0, dbcnt=0, crsr=1,
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B          init:p=(nil), init:#=172, wa:p=0xc0000004440b6120, wa:#=172}
B dbtran ERROR LOG (hdl_dbsl_error): DbSl 'SEL'
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C
C Wed May 19 08:58:57 2010
C     OCIStmtExecute() failed with -1=OCI_ERROR
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[dbsloci.c    12990]
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[dbsloci.c    13011]
dispatcher log
Wed May 19 15:13:43 2010
ERROR => DpWPCheck: max_hold_time W2 exceeded (T140=msb85       ) [dpxxdisp.c   15928]
ERROR => DpTmRetErr: DpTmSend [dpxxdisp.c   13138]

Dialog Work process being blocked

Hi All ,
I deleted one of the sessions using ctrl + alt + del in one of my application server. Now when i checked using work process overview through sm51 in that application server (logged in through other application server). The dialog work process is in the running status and it is still held by me for a long time.
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Regards
Gaurav

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Prem

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Hi,
A user is not have the No. of processor but a work process can handle N No. of users. If a user hit any transaction v acn say from a list of N worl proceesor which has been taken the work.
Correct if I am wrong.
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How to statistic the rest dialog work process?

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