Re: pga_aggregate_target

> Also, consider that any single serial session will never get more than 5%
of
> pga_aggregate_target. For parallel operations, total is limited to 30%.

The maximum can be controlled using "_smm_max_size" parameter which states how many kilobytes a serial session can use for its workarea operations. The default is 5% from pga_aggregate_target. "_smm_px_max_size" controls max workarea for parallel slaves, respectfully (default is 30% from pga_aggregate_target).

These parameters are unsupported (as you know) and have no effect when set at session level - alter system has to be used for changing them (tested on 9.2.0.4 on W2k).

Tanel.

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Author: Tanel Poder
  INET: tanel.poder.003_at_mail.ee

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