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Oracle 视图 DBA_HIST_CLUSTER_INTERCON 官方解释，作用，如何使用详细说明

本站中文解释

NECT

Oracle视图DBA_HIST_CLUSTER_INTERCONNECT提供了基于时间的簇互连的性能数据的历史记录。这个视图是用来检查簇互连的连接状况，以确保簇互连的性能可满足应用程序的性能需求。

使用此视图，DBA可以监控每个时间段簇互连的性能，如速率、时延、带宽等。DBA可以使用此视图进行性能分析和调优，以确保簇互连的可靠性和性能。另外，DBA也可以使用此视图来诊断和排查与单个簇节点或簇互连有关的问题。

官方英文解释

DBA_HIST_CLUSTER_INTERCON displays information about the devices used by the instance to access the interconnect (that is, communicate with other instances).

Column Datatype NULL Description

SNAP_ID

NUMBER

NOT NULL

Unique snapshot ID

DBID

NUMBER

NOT NULL

Database ID for the snapshot

INSTANCE_NUMBER

NUMBER

NOT NULL

Instance number for the snapshot

NAME

VARCHAR2(256)

NOT NULL

Operating system name of the device

IP_ADDRESS

VARCHAR2(64)

NOT NULL

IP address of the device

IS_PUBLIC

VARCHAR2(3)

Indicates whether the device is a public interface (YES) or a private interface (NO)

Public interfaces can be listened to by outside applications, which may be a security problem. Oracle recommends using private interfaces for interconnect.

SOURCE

VARCHAR2(31)

Describes the type of device

CON_DBID

NUMBER

The database ID of the PDB for the sampled session

CON_ID

NUMBER

The ID of the container that CON_DBID identifies. Possible values include:

  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data


数据运维技术 » Oracle 视图 DBA_HIST_CLUSTER_INTERCON 官方解释，作用，如何使用详细说明
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