Diagnosing Oracle “reliable message” Waits

Reliable Message waits are cryptic by nature.  It is a general purpose wait event that tracks many different types of channel communications within the Oracle database.  I’ve read some blogs that suggest that this is a benign wait event that can be ignored.  My experience is that they are not benign and should not be ignored.  This post will show you how to decipher these events and resolve the issue.

Here is what you might see in an AWR report:

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