怎么使用ABAP异步RFC调用提升应用性能

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采用如下report 研究asynchronous RFC call的性能提升:

PARAMETERS: num TYPE i OBLIGATORY DEFAULT 10.DATA:ls_line     TYPE zjerry1,     lv_start    TYPE i,     lv_end      TYPE i,     lv_taskid   TYPE c LENGTH 8,     lv_index    TYPE c LENGTH 4,     lv_finished TYPE i,     lv_count    TYPE i.START-OF-SELECTION.  PERFORM solution2.FORM solution2.  DELETE FROM zjerry1.  GET RUN TIME FIELD lv_start.  DO num TIMES.    lv_index = sy-index.    lv_taskid = 'Task' && lv_index.    CALL FUNCTION 'ZINSERT' STARTING NEW TASK lv_taskid PERFORMING callback ON END OF TASK      EXPORTING        iv_index = CONV comm_product-product_id( sy-index ).  ENDDO.  WAIT UNTIL lv_finished = num.  GET RUN TIME FIELD lv_end.  lv_end = lv_end - lv_start.  WRITE: / 'Solution2: ' , lv_end COLOR COL_NEGATIVE.  SELECT COUNT( * ) INTO lv_count FROM zjerry1.  ASSERT lv_count = num.ENDFORM.FORM callback USING p_task TYPE clike.  ADD 1 TO lv_finished.ENDFORM. function module ZINSERTmonitor的是一个比较费时的操作，在末尾会有一个DB的insertion: DATA: ls_line TYPE zjerry1,        lv_cal  TYPE timestamp,        lv_cal1 TYPE timestamp.  GET TIME STAMP FIELD lv_cal.  DO 10000 TIMES.    lv_cal = lv_cal + 1.    lv_cal = ( lv_cal * 13 ) / 12.    DO 100 TIMES.      GET TIME STAMP FIELD lv_cal1.      lv_cal = lv_cal  * 13 / 17.    ENDDO.  ENDDO.  ls_line-code_value = iv_index.  INSERT zjerry1 FROM ls_line.  ASSERT sy-subrc = 0.   COMMIT WORK AND WAIT.

DB的结构非常简单:

如果在report 里直接调用ZINSERT, response time为4.493 seconds.

如果在DO 2 TIMES里调用两次ZINSERT, 两次function module call是依次执行的，response time为8.493 seconds

如果用report 以参数2 以异步的方式调用ZINSERT 2次，report 本身的response time为3.074 seconds:

number = 3:

number = 5:

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