Enqueue timeouts

From: Nicoll, Iain (Calanais) <iain.nicoll_at_calanais.com>
Date: Fri, 20 Apr 2001 03:46:41 -0700
Message-ID: <F001.002ED964.20010420034024@fatcity.com>

Can anyone offer advice on what the problem may be with the following from v$sysstat on one of our databases.

NAME                       VALUE
-------------------------- ---------
enqueue timeouts           17499101
enqueue waits                446362
enqueue deadlocks                 2
enqueue requests           47731729
enqueue conversions         1228500
enqueue releases           30232445

Enqueue_resources is set at 5000, DML_Locks is at 4000 and sessions at 412 so enqueue_resources looks high already but I came across a note which suggested increasing enqueue_resources where timeouts were occurring.

Would anything else be causing this or is there a way to calculate what enqueue_resource should be set at.
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Author: Nicoll, Iain (Calanais)
INET: iain.nicoll_at_calanais.com

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