on 05-20-2009 7:08 AM
Hello
An job (SPI_PS_ASSEMBLE_DSP) generates short dumps in an XI systems TSV_TNEW_PAGE_ALLOC_FAILED. However I do not know how to cope with this issue as memory parameters are the default one. In ABAP dump I get message following parameter have to be adjusted. I have 8GB of physical memory(based on st06).
However when I put em/initial_size_MB to 4096 the server crashes after 1 hour of job beeing running(it seems all memory is exausted)
o ztta/roll_area (1.000.000 - 15.000.000)
Classic roll area per user and internal mode
usual amount of roll area per user and internal mode
o ztta/roll_extension (10.000.000 - 500.000.000)
Amount of memory per user in extended memory (EM)
o abap/heap_area_total (100.000.000 - 1.500.000.000)
Amount of memory (malloc) for all users of an application
server. If several background processes are running on
one server, temporary bottlenecks may occur.
Of course, the amount of memory (in bytes) must also be
available on the machine (main memory or file system swap).
Caution:
The operating system must be set up so that there is also
enough memory for each process. Usually, the maximum address
space is too small.
Ask your hardware manufacturer or your competence center
about this.
In this case, consult your hardware vendor
abap/heap_area_dia: (10.000.000 - 1.000.000.000)
Restriction of memory allocated to the heap with malloc
for each dialog process.
Parameters for background processes:
abap/heap_area_nondia: (10.000.000 - 1.000.000.000)
Restriction of memory allocated to the heap with malloc
for each background process.
Other memory-relevant parameters are:
em/initial_size_MB: (35-1200)
Extended memory area from which all users of an
application server can satisfy their memory requirement.
If you are running with default parameters there is likely to be scope for tuning.
Try SAP Notes 789477, 941735 & 146289
You should check ST02 for paging and adjust anything that is over 10,000 a day.
If this is a new system you should order a going-live report from SAP. They will recommend parameter values as part of that.
I have never got into the monitoring side of XI but all those SPI jobs are part of that. Have a look at transaction SPIP.
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It is a 64 bit system running on virtual server linux(Red hat)/oracle.
In the meantime I increase em/initial_sizeMB and the TSV_TNEW_PAGE_ALLOC_FAILED does not occurs any more.
However the database is increasing rapidly. Does anyone knows relation and meaning of jobs:
-job 3903134AA6F8AC4BE1000000C0A81A8Z
with step SPI_PS_ASSEMBLE_DSP
(this one finished completely for first time this night). As I understood it prepares data to be deleted with following jobs
-job SPI_REORG_CS
-job SPI_REORG_PS
-job SAP_BC_XMB_DELETE_001
steps
RSXMB_DELETE_MESSAGES ABAP
RSXMB_TABLE_SWITCH ABAP
-job SAP_BC_XMB_HIST_DELETE_001
Steps
RSXMB_DELETE_HISTORY
-job SPI_TRANSPORT
Thank you in advance for furder help
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> An job (SPI_PS_ASSEMBLE_DSP) generates short dumps in an XI systems TSV_TNEW_PAGE_ALLOC_FAILED. However I do not know how to cope with this issue as memory parameters are the default one. In ABAP dump I get message following parameter have to be adjusted. I have 8GB of physical memory(based on st06).
Is this a 32bit system?
Markus
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