buffer busy waits and v$filestat

From: <Rajesh.Rao_at_jpmchase.com>
Date: Tue, 29 Jul 2003 13:24:23 -0800
Message-ID: <F001.005C7B18.20030729132423@fatcity.com>

Folks,

Say a session issues a read request, and finds another session already reading the block into the buffer cache. If this session waits N ms on a "buffer busy waits" event, does this N ms of wait get added to the read times in v$filestat? Or is the readtim in v$filestat purely physical I/O?

Thanks
Raj

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