PX Deq Credit: Send Blkd Waits Seen after CTRL-C on a Session and Parallel Query Slaves Not Released

(Doc ID 1545069.1)

Last updated on MARCH 27, 2014

Applies to:

Oracle Database - Standard Edition - Version 8.1.6.0 and later
Information in this document applies to any platform.

Symptoms

A session that was showing the SQL> prompt was still showing parallel query slaves as busy, waiting on 'PX Deq Credit: Send blkd'.

Here is an example of the output from the first query in <Document 457857.1> - Script to monitor parallel queries that shows two sessions running a parallel query.  

 

Cause

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