7.259 V$HANG_INFO
V$HANG_INFO
displays information about hangs found on the cluster.
A hang can be an open wait chain or closed wait chain (cycle or deadlock). A wait chain is a series of sessions that are blocking one another. Each row represents a hang and describes how severe the hang is. This view also includes the victim or final blocker of the hang.
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A number identifying the hang |
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Indicates how many sessions are in the main wait chain of the hang |
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Indicates how many total sessions are affected by the hang, including the main wait chain and any wait chains branching off of the main wait chain |
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Is set to |
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Date and time that the hang was detected |
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Time that the hang may be automatically resolved |
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Contains the reason why the hang was resolved or ignored |
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Instance number of the instance on which the victim or final blocker session resides |
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Victim or final blocker's Oracle session ID |
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Victim or final blocker's Oracle session serial number |
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Victim or final blocker's operating system process ID |
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Name of the victim or final blocker process |
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Resource or event for which the victim or final blocker is waiting; set to |
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Oracle Database Quality of Service (QoS) Management Performance Class rank of the victim or final blocker of the hang. |
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Oracle Database QoS Management Performance Class In-Trouble Threshold of the victim or final blocker of the hang |
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Oracle Database QoS Management Performance Class Root Termination allowed Threshold of the victim or final blocker of the hang |
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Oracle Database QoS Management Performance Class Key of the victim or final blocker of the hang |
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The ID of the container to which the data pertains. Possible values include:
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See Also: