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datafile tunning

edited Mar 2, 2010 3:42AM in Database Tuning (MOSC) 14 commentsAnswered
 I have a very insteresting situation here.

In my TeraBytes databases, there is a very small tablespace "SMALL", only 1 datafile, and only 1300MB. There are 73(9indexes, 61tables, and 1 LOBsegmen) objects sitting on it, snd most of them only have 64KB (only 6objects over 10MB).

However from AWR report, this tablespaces has highest "Av. Blks/rd" and "Av. BufWait". It is 20times than other tablespaces.

I checked the top SQL from AWR report, no objects in "SMALL" mentioned here.

Anyone has a suggestion to help me explain this situation.

Thanks,

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