BPM data increase very fast and want to get suggestion about BPM capacity

Question

Dear BPM Experts:
I meet a problem with BPM capacity problem. My customer using BPM 11g and every day they
Have 1000 new process,every process have 20-30 tasks,they find the data increase very fast,about 1G/day.
We have done a test about BPM capacity, I create a new simple process named simpleProcess.
which only have three input field, I use API to initiate the task and submit to the next
person.
we using dev_soainfra tablespace, and we set the default audit level, after insert 5000 task, we find dev_soainfra is reach 362.375M,
So as assume 30000 task will using 362*6=2G database spaces,and because in next phases,my customer want
To push BPM platform to more customers, which means more and more customer will using this platform,so
I want to ask is it data increase reasonable? Do you have capacity planning guide for BPM 11g? and If I want to reduce
Lower The data increase, how can we do?
We have try to turn the audit log off, but it seems useless, it only save 8% spaces.
Thanks for your help!
Eric

Answer 1

It looks like you are writing your data to disk every so often.  For that reason, I recommend making it based on the number of samples you have instead of the time.  With that you can preallocate your arrays with constants going into the shift registers.  You then use Replace Array Subset to update your arrays.  When you write to the file, make sure you go back to overwriting the beginning of your array.  This will greatly reduce the amount of time you spend reallocating memory and will reduce your memory usage.
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