Infocube compression already lasts 7 days

Dear BI Experts,
In our system a BI_COMPxxx job is running for more than 610.000 seconds (7 days). And I want to know if I can stop this job?
Some observations:
- At the start of the compression of the infocube, 2 aggegates were not rolled up/compressed.
- Daily loads to the infocube via Process Chains fail at the Delete Index variant due to locking. = expected behaviour
- The F-table of the infocube contains 21.674.550 records.
- The E-table (compression target) contains 1.402.950 records at the moment.
- There are no ST22 and SM21 entries (as the job is still running)
- During the last 4 hours this number of records in the E-table has not grown.
- In the job log there are no entries after 1,5 days of runtime and the last time entry shows nothing unusual: MERGE /*+ USE_NL ( FACT E ) / INTO "/BIC/EZCOPABUD" E USING ( SELECT /+ PARALLEL ( FACT , 3 ) */0 "PDIMID" , "KEY_ZCOPABUDT" , "KEY_ZCOPABUDU" , "KEY_ZCOPABUD1" , "KEY_ZCOPABUD2" , "KEY_ZCOPABUD3", "KEY_ZCOPABUD4" , "KEY_ZCOPABUD5" , "KEY_ZCOPABUD6" , "KEY_ZCOPABUD7" , "KEY_ZCOPABUD8" , "KEY_ZCO... etc. (goes on for 7 pages/screens)
My main questions:
- How unsafe is it to stop this job under these conditions?
- And what may be the effect of stopping this job on data consistency?
Other questions:
- Is the ratio between F/E table a normal ratio when the compression is finished, or does it seem like the compression has failed? There are a lot of 0 records requests loaded.
- Is this a documented error? Are there any notes, procedure, ... available? I could not find any.

Hi
Did you take the count of records in the E table before you started the compression ? I did the compression once which took some 21 odd hrs. But at that time I encountered that records in E table were not getting increased as expected and it was my observation that somehow the commit on the database level is done once the compression job is finished completely.
At that time I check the processing in the sm66( double clicking the required process by checking the pid of the job which is responsible for the compression) and it was doing something on the SQL level.
What I can say at this point of time is that if you stop your process then everything will be rolled back and your cube should be safe but may be nothing will be compressed and that status will be same as it is now. This can also be because of the fact that the SAP generally create the rollback point before doing any task and if the task is not successful, it rolls back the status which was before.
This was my experience, check in sm66 for the processing of your job and see how to proceed .
Another idea is you can compress your cube at some interval level.It seems to me that you have given in selection the top request number and this is now compressing the whole cube and that is why it is taking time.
Try to confirm if you stop the job then how sap behaves, acording to me nothing should happen and data state should be same and if that is the case, I would suggest you to compress your cube for some 5- 10 requests on regular intervals and this will take less time to complete the job and rest of the processing will not be hindered.
Please see how to proceed now.
I could help only this much.
regards
Vishal

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