on 07-29-2014 4:18 PM
Dear Guys
we are facing ABAP dump almost 1000+ can you please check and suggets solution
Short text
600000 kilo bytes of shared memory for PXA not available.
What happened?
When starting the R/3 System, 600000 Kbytes of storage space
was required for the ABAP/4 program buffer (PXA), but this
was not available.
The system was started as an emergency system and is not fully
operational.
It is intended only for display and to eliminate errors.
Under no circumstances should it be used for production
purposes.
Error analysis
The error probably occurred when installing the
R/3 system.
The return code of the SAP shared memory control was 1.
The error reported by the operating system is:
Error number..... 0
Error text....... "No error"
How to correct the error
Report the error to the group responsible for installing your
R/3 System.
The current size of the PXA was set at 554312 kilobytes.
You can increase or decrease the PXA in the SAP profile. When
doing this, please refer to the relevent instructions in the
installation manual.
You can use the utility program 'ipclimits' to display the
available system resources.
If the error occures in a non-modified SAP program, you may be able to
find an interim solution in an SAP Note.
If you have access to SAP Notes, carry out a search with the following
keywords:
"PXA_NO_SHARED_MEMORY" " "
**************
The parameters are set according to my RAM 20 GB according to iset below parameters
csi/enable 0
rdisp/elem_per_queue 4000
icm/server_port_1 PROT=SMTP,PORT= 2502
rsdb/obj/max_objects 20000
rsdb/obj/buffersize 50000
abap/shared_objects_size_MB 100
sap/bufdir_entries 10000
zcsa/db_max_buftab 10000
abap/buffersize 600000
zcsa/table_buffer_area 100000000
rtbb/buffer_length 60000
rsdb/cua/buffersize 10000
zcsa/presentation_buffer_area 20000000
rdisp/appc_ca_blk_no 1000
rdisp/wp_ca_blk_no 1000
rsdb/ntab/entrycount 30000
rsdb/ntab/ftabsize 60002
rsdb/ntab/irbdsize 15002
rsdb/ntab/sntabsize 3000
Please suggest the solution.
Regards,
Somesh.K
Hi Somesh
In this situation, it is also worth to check shared memory segments assigned to the memory pool.
Go to your profile directory with sidadm, run below command.
1) sappfpar pf=InstanceProfileName check (or)
2) sappfpar check pf=InstanceProfileName
Look for output from memory pool
Shared memory pools
Key: 10 Pool
Size configured.....: 1
Size min. estimated.: 2
Advised Size........: 3
Key: 40 Pool for database buffers
Size configured.....: X
Size min. estimated.: Y
Advised Size........: Z
Change the parameter ipc/shm_psize_<segno> to Advised Size and restart the instance.
regards
Swami
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Hi Somesh,
Three notes, very easy to understand and select:
Have a look:
1790345 - PXA_NO_SHARED_MEMORY
All here is needed to adjust abap/buffersize parameter keeping in mind the actual address space.
Divyanshu
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Hi Somesh,
As dump clearly says(short text and what happened), its because the abap share buffer is low.
From the parameter list you gave, it is abap/buffersize=600000 = appr. half GB only.
Check ST02 for swaps in program buffer and you can also get corresponding parameter by double clicking particular buffer -> Current parameters.
Try increasing the abap buffer (between 1 - 1.5GB) based on your system or compare other systems in your landscape to get an idea.
Please note that the default value for program buffer is in KB's. Hence you need to convert GB to KB
Thanks and Regards,
Nikhil
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I'm guessing that you've just changed some parameters and restarted the system, so go back to the old versions in /usr/sap/<SID>/SYS/profile and restart the system. Then you can review the parameters at your leisure.
Regards,
Graham
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