Re: Querying v$ tables very slow after upgrade

There is a patch 5029334 which includes a script catspace.sql to rebuild a number of the space views ( e.g. *_SEGMENTS , *_EXTENTS) It sounds as if your problem is a bit more widespread but it may help. The bug affects 10.2.0.1 , 10.2.0.2 and 10.2.0.3 and the patch certainly improved the perfomance on DBA_EXTENTS on the 10.2.0.2 database I'm using.

Cheers,

Ian

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|         |           Patty.Charlebois_at_gre|

|         |           enshield.ca         |

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|         |           25/06/2007 17:46    |

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|         |           Patty.Charlebois    |

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  |       To:       Oracle-L_at_freelists.org                                                                       |
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  |       Subject:  Querying v$ tables very slow after upgrade                                                   |
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After upgrading our production database from 9.2.0.7 to 10.2.0.3 yesterday we are having severe performance problems when trying to query any dba_* view or v$* view.

I checked and stats were gathered for all SYS tables during the upgrade, the last_analyzed date is the time of the upgrade.

Does anyone have any experience with this?

Thanks,

Patty

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