Indexes, Materialized Views and ASAP Performance
In ASAP production environment, dashboard processes are used which collect Work Order / ASDL / CSDL processing data/statistics like failed/completed ASDL per NE etc from SARM tables like (TBL_ASDL_LOG, TBL_WRK_ORD, TBL_SRQ etc) at an interval of every 15 minutes. Business is looking to change the frequency to 5 minutes. This Query is taking around 10-12 minutes to execute every time. However, this process is consuming lot of I/O's on database side and is impacting performance of database as average I/O% is almost 100% always.
DBAs at our end, suggest 2 approaches that can improve these I/O's and time taken by the queries every time:
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