Don't reset keeps Last_call_et, no other signs of activity

I am trying to debug a problem with a process that takes a bunch of data in a database Access to a couple of Oracle databases (Yes, we're working on killing access).  Almost everything I can see tells me that Oracle does nothing and it is purely a question of access but in session last_call_et $ v keeps resetting itself that makes me believe that Oracle is something.  I would really appreciate if someone can help understand me what I miss.

What I see

When I ask gv$ session, I see the open access session.  Whenever I look at it, the status is INACTIVE, sql_id is NULL and prev_sql_id is a constant value.  When I look at gv$ sql for this prev_sql_id, the executions is not increased and executions = end_of_fetch_count.  So far, so good, Oracle is off the hook.

However, when I shoot in LAST_CALL_ET gv$ session, this value is never greater than 10 seconds.  It is always set to zero.  Which makes me believe that Oracle is something every few seconds.  But I can't think for the life of me everything that he could possibly do that would not cause a prev_sql_id change or a change in the number of executions of the SQL statement.

Is there something that I forget here?

Thank you!

Justin

JustinCave wrote:

GV$ session_wait_history reported the events of

SQL * Net message to client

SQL * Net message from client

It seems that solved access changes the overall problem.  But while access has been blowing away, I saw always LAST_CALL_ET to reset with no other obvious signs of activity.

Justin

If she changed between FROM and there must have been some message from access and bounce without error. Perhaps a sort of call of type 'ping' BEAK that does not involve a SQL statement.

Update: something like a 'set background' or 'set the client identifier"perhaps; possibly a rollback (no SQL) or validation

Concerning

Jonathan Lewis

Tags: Database

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