InterviewSolution
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When Looking At The Estate Events Report You See That You Are Getting Busy Buffer Waits. Is This Bad? How Can You Find What Is Causing It? |
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Answer» BUFFER busy waits may indicate CONTENTION in redo, rollback or data blocks. You need to check the v$waitstat view to see what AREAS are causing the problem. The value of the “COUNT” column TELLS where the problem is, the “class” column tells you with what. UNDO is rollback segments, DATA is data base buffers. Buffer busy waits may indicate contention in redo, rollback or data blocks. You need to check the v$waitstat view to see what areas are causing the problem. The value of the “count” column tells where the problem is, the “class” column tells you with what. UNDO is rollback segments, DATA is data base buffers. |
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