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• Request
• Response

Get the specified wait event for specific active session

get

/database/performance/active_sessions_history_waits/{sid},{seq_number}/

Return data from GV$SESSION_WAIT_HISTORY for the specified Session Identifier and Event Sequence Number. A client requires SQL Administrator role to invoke this service.

Request

Path Parameters

• seq_number(required): number
  Sequence number of wait event; 1 is the most recent.
• sid(required): number
  Session Identifier.

There's no request body for this operation.

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Response

Supported Media Types

• application/json

200 Response

The session wait history for a particular session and event.

Body ()

Root Schema : PerformanceActionSessionHistoryWaitsItem

Type: object

Describes a wait event for a session. Data corresponds to a record from GV$SESSION_WAIT_HISTORY. The list of attributes may vary depending on database version.

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• con_id: integer
  The ID of the container to which the data pertains.
• event: string
  Resource or event for which the session is waiting.
• event#: integer
  Event number.
• inst_id: integer
  Instance number from which the associated V$ view information was obtained.
• links: array links
• p1: integer
  First wait event parameter (in decimal).
• p1text: string
  Description of the first wait event parameter.
• p2: integer
  Second wait event parameter (in decimal).
• p2text: string
  Description of the second wait event parameter.
• p3: integer
  Third wait event parameter (in decimal).
• p3text: string
  Description of the third wait event parameter.
• seq#: integer
  Sequence of wait events; 1 is the most recent.
• sid: integer
  Session identifier.
• time_since_last_wait_micro: integer
  Time elapsed (in microseconds) since the end of the previous wait in the wait history.
• username: string
  Name of the user that is associated with the session.
• wait_time: integer
  Amount of time waited (in hundredths of a second).
• wait_time_micro: integer
  Amount of time waited (in microseconds).

{
    "type":"object",
    "description":"Describes a wait event for a session. Data corresponds to a record from GV$SESSION_WAIT_HISTORY. The list of attributes may vary depending on database version.",
    "properties":{
        "username":{
            "type":"string",
            "description":"Name of the user that is associated with the session."
        },
        "inst_id":{
            "type":"integer",
            "description":"Instance number from which the associated V$ view information was obtained."
        },
        "sid":{
            "type":"integer",
            "description":"Session identifier."
        },
        "seq#":{
            "type":"integer",
            "description":"Sequence of wait events; 1 is the most recent."
        },
        "event#":{
            "type":"integer",
            "description":"Event number."
        },
        "event":{
            "type":"string",
            "description":"Resource or event for which the session is waiting."
        },
        "p1text":{
            "type":"string",
            "description":"Description of the first wait event parameter."
        },
        "p1":{
            "type":"integer",
            "description":"First wait event parameter (in decimal)."
        },
        "p2text":{
            "type":"string",
            "description":"Description of the second wait event parameter."
        },
        "p2":{
            "type":"integer",
            "description":"Second wait event parameter (in decimal)."
        },
        "p3text":{
            "type":"string",
            "description":"Description of the third wait event parameter."
        },
        "p3":{
            "type":"integer",
            "description":"Third wait event parameter (in decimal)."
        },
        "wait_time":{
            "type":"integer",
            "description":"Amount of time waited (in hundredths of a second)."
        },
        "wait_time_micro":{
            "type":"integer",
            "description":"Amount of time waited (in microseconds)."
        },
        "time_since_last_wait_micro":{
            "type":"integer",
            "description":"Time elapsed (in microseconds) since the end of the previous wait in the wait history."
        },
        "con_id":{
            "type":"integer",
            "description":"The ID of the container to which the data pertains."
        },
        "links":{
            "type":"array",
            "items":{
                "$ref":"#/components/schemas/LinkRelation"
            }
        }
    }
}

Nested Schema : links

Type: array

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• Array of: object LinkRelation

{
    "type":"array",
    "items":{
        "$ref":"#/components/schemas/LinkRelation"
    }
}

Nested Schema : LinkRelation

Type: object

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• href(required): string
• rel(required): string

{
    "type":"object",
    "properties":{
        "rel":{
            "type":"string"
        },
        "href":{
            "type":"string"
        }
    },
    "required":[
        "rel",
        "href"
    ]
}

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