help in the what need to do in this sql problem

  Investigate application logic involving I/O on TABLE SUBPARTITION
      "MYRPPADMIN.PAYMENTINTERCHANGE.SYS_SUBP2731794" with object ID 4280431.
      Related Object
         Database object with ID 4280431.
   Rationale
      The I/O usage statistics for the object are: 0 full object scans, 158207
      physical reads, 0 physical writes and 0 direct reads.

   Recommendation 2: Segment Tuning
   Estimated benefit is .06 active sessions, 3.66% of total activity.
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   Action