Oracle教程

Oracle 视图 V$CHUNK_METRIC 官方解释，作用，如何使用详细说明

本站中文解释

V$CHUNK_METRIC视图用于从物理内存块中查询内存分配和回收的情况，例如查询某个内存块中实际可用内存大小，已用内存大小，断裂内存大小以及已释放内存大小等等。要使用V$CHUNK_METRIC视图，可以使用下面的SQL语句:

SELECT * FROM V$CHUNK_METRIC;

官方英文解释

V$CHUNK_METRIC displays the metric values captured for the most recent 30-second intervals for the workload against each chunk available on the database.

Column Datatype Description

BEGIN_TIME

DATE

Begin time of the interval

END_TIME

DATE

End time of the interval

INTSIZE_CSEC

NUMBER

Interval size (in hundredths of a second)

CHUNK_ID

NUMBER

Chunk number (internal)

CALLSPERSEC

NUMBER

Number of user calls per second to the chunks

CON_ID

NUMBER

The ID of the container to which the data pertains. 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

See Also:

“V$SERVICE_REGION_METRIC”


数据运维技术 » Oracle 视图 V$CHUNK_METRIC 官方解释，作用，如何使用详细说明
分享到：

相关推荐