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  • Java

getMetrics()

A MilvusClient interface. This method returns the information about runtime Milvus metrics in JSON format.

R<GetMetricsResponse> getMetrics(GetMetricsParam requestParam);

GetMetricsParam

Use the GetMetricsParam.Builder to construct a GetMetricsParam object.

import io.milvus.param.GetMetricsParam;
GetMetricsParam.Builder builder = GetMetricsParam.newBuilder();

Methods of GetMetricsParam.Builder:

MethodDescriptionParameters
withRequest(String request)Sets the request to retrieve metric information from the server in JSON format.request: Request string in JSON format.
build()Constructs a GetMetricsParam object.N/A

The GetMetricsParam.Builder.build() can throw the following exceptions:

  • ParamException: error if the parameter is invalid.

Returns

This method catches all the exceptions and returns an R<GetMetricsResponse> object.

  • If the API fails on the server side, it returns the error code and message from the server.

  • If the API fails by RPC exception, it returns R.Status.Unknow and the error message of the exception.

  • If the API succeeds, it returns a valid GetMetricsResponse held by the R template.

Example

import io.milvus.param.*;
import io.milvus.grpc.GetMetricsResponse;

GetMetricsParam param = GetMetricsParam.newBuilder()
        .withRequest("{\"metric_type\":\"system_info\"}")
        .build();
R<GetMetricsResponse> response = client.getMetrics(param);
if (response.getStatus() != R.Status.Success.getCode()) {
    System.out.println(response.getMessage());
}

System.out.println(response.getData().getResponse());

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