In V9.0 LTS profileHasAuthObjectField step, while synching SAP authorization details from Target System it is not synching the data when records are huge

In V9.0 LTS profileHasAuthObjectField step, while synching SAP authorization details from Target System it is not synching the data when records are huge.

This step at first instance was supposed to fetch around 80 millions of records which is not able to pull the data. It is working fine for less amount of data. 

Also, as soon as this step starts, CPU memory is reaching to 100% and this stops the job services automatically and affecting  rest of all other jobs running in the synch.

Not able to synch the data with this step for larger SAP systems.

Please suggest how can I make is possible in 1st instance? On 2nd instance will it synch data properly if we use revision filter? 

Both sapnco.dll & sapnco_utils.dll are of V 3.0.24.0.

Please suggest how to fetch such huge data.


Thanks in advance.