apoc.metrics.get

过程 Apoc 扩展

apoc.metrics.get(metricName, {}) - 按度量名称检索系统度量。可以传递额外的配置选项，以匹配 apoc.load.csv 可用的选项。

签名

apoc.metrics.get(metricName :: STRING?, config = {} :: MAP?) :: (timestamp :: INTEGER?, metric :: STRING?, map :: MAP?)

输入参数

名称	类型	默认
指标名称	STRING?	null
config	MAP?	{}

名称

类型

默认

指标名称

STRING?

null

config

MAP?

{}

输出参数

名称	类型
时间戳	整数？
度量	STRING?
Map	MAP?

名称

类型

时间戳

整数？

度量

STRING?

Map

MAP?

使用示例

CALL apoc.metrics.get("neo4j.neo4j.transaction.started")
YIELD metric, map, timestamp
RETURN metric, map, datetime({epochSeconds: timestamp}) AS timestamp
LIMIT 5;

表 1. 结果
度量	Map	时间戳
"neo4j.neo4j.transaction.started"	{mean_rate: 0.0, t: "1605189172", count: "0", rate_unit: "events/second", m15_rate: 0.0, m1_rate: 0.0, m5_rate: 0.0}	2020-11-12T13:52:52Z
"neo4j.neo4j.transaction.started"	{mean_rate: 0.943493, t: "1605189175", count: "6", rate_unit: "events/second", m15_rate: 0.0, m1_rate: 0.0, m5_rate: 0.0}	2020-11-12T13:52:55Z
"neo4j.neo4j.transaction.started"	{mean_rate: 0.64233, t: "1605189178", count: "6", rate_unit: "events/second", m15_rate: 0.0, m1_rate: 0.0, m5_rate: 0.0}	2020-11-12T13:52:58Z
"neo4j.neo4j.transaction.started"	{mean_rate: 0.485832, t: "1605189181", count: "6", rate_unit: "events/second", m15_rate: 0.0, m1_rate: 0.0, m5_rate: 0.0}	2020-11-12T13:53:01Z
"neo4j.neo4j.transaction.started"	{mean_rate: 0.456092, t: "1605189184", count: "7", rate_unit: "events/second", m15_rate: 0.0, m1_rate: 0.0, m5_rate: 0.0}	2020-11-12T13:53:04Z