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GRPCServer Monitoring

Updated on 2024-07-04 GMT+08:00

This section describes the types, names, and meanings of GRPCServer metrics collected by APM.

Table 1 GRPCServer monitoring collection parameters

Parameter

Data Type

Application Type

Default

Supported Start Agent Version

Supported End Agent Version

Description

Sampling Type

radio

JAVA

4

1.0.0

-

Sampling type. Options: full sampling, percentage sampling, fixed-quantity sampling per minute, and intelligent sampling (default).

Sampling Ratio

integer

JAVA

10

1.0.0

-

Percentage of samples to the total number of trace data records

Samples/Minute

integer

JAVA

1000

1.0.0

-

Number of trace data records collected every minute.

Slow Request Threshold

integer

JAVA

800

2.0.0

-

Slow request threshold. If the threshold is crossed, the method is regarded as a slow method. In that case, the trace sampling ratio will be increased by default.

Method Configuration

obj_array

JAVA

-

2.0.0

-

Configure the slow request threshold and sampling ratio for each method separately. The following sampling policies can be set: percentage sampling, fixed-quantity sampling per minute, and automatic sampling.

Table 2 GRPCServer monitoring metrics

Category

Metric

Name

Description

Unit

Data Type

Default Aggregation Mode

Method monitoring (detail: APM counts URL call statistics by method.)

method

Method

Request method

-

ENUM

LAST

concurrentMax

Max. Concurrency

Maximum concurrency of the method

-

INT

MAX

errorCount

Errors

Number of times that the method fails to be called

-

INT

SUM

invokeCount

Calls

Number of times that the method is called

-

INT

SUM

maxTime

Max. RT

Maximum response time of the method in a collection period

-

INT

MAX

runningCount

Ongoing Executions

Number of executions of the method at the time of collection

-

INT

SUM

range1

0–10 ms

Number of requests with 0–10 ms response time

-

INT

SUM

range2

10–100 ms

Number of requests with 10–100 ms response time

-

INT

SUM

range3

100–500 ms

Number of requests with 100–500 ms response time

-

INT

SUM

range4

500–1000 ms

Number of requests with 500–1000 ms response time

-

INT

SUM

range5

1–10s

Number of requests with 1–10s response time

-

INT

SUM

range6

> 10s

Number of requests with response time longer than 10s

-

INT

SUM

totalTime

Total RT

Total response time of the method

-

INT

SUM

Cluster call (cluster: APM counts URL call statistics based on the cluster ID of the caller.)

clusterId

Cluster ID

Cluster ID of the caller

-

ENUM

LAST

invokeCount

Calls

Number of times the cluster is called

-

INT

SUM

totalTime

Total RT

Total response time for calling the cluster

-

INT

SUM

errorCount

Errors

Number of times that the cluster fails to be called

-

INT

SUM

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