Re: Blocker did not identified
- From: Jure Bratina <jure.bratina@xxxxxxxxx>
- To: ecandrietta@xxxxxxxxx
- Date: Sun, 31 Dec 2017 21:59:06 +0100
Eriovaldo,
I need to improve this query trying to get the main BLOCKER.
But it does not help in case of similar problem, by the time configured
for dba_hist refresh.
Maybe Tanel's dash_wait_chains.sql might help (
https://blog.tanelpoder.com/2013/11/06/diagnosing-buffer-busy-waits-with-the-ash_wait_chains-sql-script-v0-2/
).
Or, alternatively, ash_wait_chains.sql if the wait is in progress and for
some strange reason the BLOCKING_* columns in v$session aren't populated
(especially FINAL_BLOCKING_SESSION in your case).
Regards,
Jure
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