Database link usage per object?

From: Wisniewski, Brian S <brian.s.wisniewski_at_jpmchase.com>
Date: Tue, 18 Oct 2011 22:44:24 -0400
Message-ID: <42AE61287BFA5C4993373C08F0E9FB22056BA492FC_at_EMARC07VS01.exchad.jpmchase.net>

Anyone have a good way to determine how much data is being sent across database links on a per-object basis? I'm trying to find our biggest offenders and I'm having a hard time trying to track down actual usage. I wrote this to find some info about what is being called and how many times but the bytes from sql_plan aren't going to be accurate for what I'm trying to track. Database is 11.1.0.7

col operation for a15;

col object_node for a30;
col object_owner for a15;
col object_name for a30;

col other_tag for a18;

select sp.operation, sp.object_node, sp.object_owner, sp.object_name, sp.other_tag, round(sum(sp.bytes)/(1024*1024),0) Meg, count(*) from v$sql_plan sp
where sp.operation = 'REMOTE'
group by sp.operation, sp.object_node, sp.object_owner, sp.object_name, sp.other_tag order by 7, sp.object_name
;

Thanks - Brian

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Received on Tue Oct 18 2011 - 21:44:24 CDT