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Actually those Concurrency events regarding latches had 0 time_waited.
The events that did have some time were "os thread startup" events
from CJQ0.
Sounds like Oracle trying to kick off scheduled jobs? I'll check the job history.
Don.
On 9/14/07, Don Seiler <don_at_seiler.us> wrote:
> The two largest items are Concurrency and Other. The concurrency
> events deal with latches (shared pool and library cache). The Other
> events deal with "block change tracking buffer space" and "latch
> free".
>
> There is also a large number of "Configuration" class events, but
> those come at 11:28, after all the fun, so might just be another
> symptom.
>
-- Don Seiler oracle: http://ora.seiler.us ultimate: http://www.mufc.us -- http://www.freelists.org/webpage/oracle-lReceived on Fri Sep 14 2007 - 16:33:02 CDT