RpcMeasureConstants (opencensus-contrib-grpc-metrics 0.14.0 API)

java.lang.Object
- io.opencensus.contrib.grpc.metrics.RpcMeasureConstants

public final class RpcMeasureConstants
extends Object

Constants for collecting rpc stats.

Since:: 0.8

Field Summary

Fields
Modifier and Type	Field and Description
`static io.opencensus.tags.TagKey`	`GRPC_CLIENT_METHOD` Tag key that represents a client gRPC method.
`static io.opencensus.stats.Measure.MeasureDouble`	`GRPC_CLIENT_RECEIVED_BYTES_PER_RPC` `Measure` for total bytes received across all response messages per RPC.
`static io.opencensus.stats.Measure.MeasureLong`	`GRPC_CLIENT_RECEIVED_MESSAGES_PER_RPC` `Measure` for number of response messages received per RPC.
`static io.opencensus.stats.Measure.MeasureDouble`	`GRPC_CLIENT_ROUNDTRIP_LATENCY` `Measure` for gRPC client roundtrip latency in milliseconds.
`static io.opencensus.stats.Measure.MeasureDouble`	`GRPC_CLIENT_SENT_BYTES_PER_RPC` `Measure` for total bytes sent across all request messages per RPC.
`static io.opencensus.stats.Measure.MeasureLong`	`GRPC_CLIENT_SENT_MESSAGES_PER_RPC` `Measure` for number of messages sent in the RPC.
`static io.opencensus.stats.Measure.MeasureDouble`	`GRPC_CLIENT_SERVER_LATENCY` `Measure` for gRPC server latency in milliseconds.
`static io.opencensus.stats.Measure.MeasureLong`	`GRPC_CLIENT_STARTED_RPCS` `Measure` for total number of client RPCs ever opened, including those that have not completed.
`static io.opencensus.tags.TagKey`	`GRPC_CLIENT_STATUS` Tag key that represents a client gRPC canonical status.
`static io.opencensus.tags.TagKey`	`GRPC_SERVER_METHOD` Tag key that represents a server gRPC method.
`static io.opencensus.stats.Measure.MeasureDouble`	`GRPC_SERVER_RECEIVED_BYTES_PER_RPC` `Measure` for total bytes received across all messages per RPC.
`static io.opencensus.stats.Measure.MeasureLong`	`GRPC_SERVER_RECEIVED_MESSAGES_PER_RPC` `Measure` for number of messages received in each RPC.
`static io.opencensus.stats.Measure.MeasureDouble`	`GRPC_SERVER_SENT_BYTES_PER_RPC` `Measure` for total bytes sent across all response messages per RPC.
`static io.opencensus.stats.Measure.MeasureLong`	`GRPC_SERVER_SENT_MESSAGES_PER_RPC` `Measure` for number of messages sent in each RPC.
`static io.opencensus.stats.Measure.MeasureDouble`	`GRPC_SERVER_SERVER_LATENCY` `Measure` for gRPC server latency in milliseconds.
`static io.opencensus.stats.Measure.MeasureLong`	`GRPC_SERVER_STARTED_RPCS` `Measure` for total number of server RPCs ever opened, including those that have not completed.
`static io.opencensus.tags.TagKey`	`GRPC_SERVER_STATUS` Tag key that represents a server gRPC canonical status.
`static io.opencensus.stats.Measure.MeasureLong`	`RPC_CLIENT_ERROR_COUNT` Deprecated. because error counts can be computed on your metrics backend by totalling the different per-status values.
`static io.opencensus.stats.Measure.MeasureLong`	`RPC_CLIENT_FINISHED_COUNT` Deprecated. since finished count can be inferred with a `Count` aggregation on `GRPC_CLIENT_SERVER_LATENCY`.
`static io.opencensus.stats.Measure.MeasureDouble`	`RPC_CLIENT_REQUEST_BYTES` Deprecated. in favor of `GRPC_CLIENT_SENT_BYTES_PER_RPC`.
`static io.opencensus.stats.Measure.MeasureLong`	`RPC_CLIENT_REQUEST_COUNT` Deprecated. in favor of `GRPC_CLIENT_SENT_MESSAGES_PER_RPC`.
`static io.opencensus.stats.Measure.MeasureDouble`	`RPC_CLIENT_RESPONSE_BYTES` Deprecated. in favor of `GRPC_CLIENT_RECEIVED_BYTES_PER_RPC`.
`static io.opencensus.stats.Measure.MeasureLong`	`RPC_CLIENT_RESPONSE_COUNT` Deprecated. in favor of `GRPC_CLIENT_RECEIVED_MESSAGES_PER_RPC`.
`static io.opencensus.stats.Measure.MeasureDouble`	`RPC_CLIENT_ROUNDTRIP_LATENCY` Deprecated. in favor of `GRPC_CLIENT_ROUNDTRIP_LATENCY`.
`static io.opencensus.stats.Measure.MeasureDouble`	`RPC_CLIENT_SERVER_ELAPSED_TIME` Deprecated. in favor of `GRPC_CLIENT_SERVER_LATENCY`.
`static io.opencensus.stats.Measure.MeasureLong`	`RPC_CLIENT_STARTED_COUNT` Deprecated. in favor of `GRPC_CLIENT_STARTED_RPCS`.
`static io.opencensus.stats.Measure.MeasureDouble`	`RPC_CLIENT_UNCOMPRESSED_REQUEST_BYTES` Deprecated. in favor of `GRPC_CLIENT_SENT_BYTES_PER_RPC`.
`static io.opencensus.stats.Measure.MeasureDouble`	`RPC_CLIENT_UNCOMPRESSED_RESPONSE_BYTES` Deprecated. in favor of `GRPC_CLIENT_RECEIVED_BYTES_PER_RPC`.
`static io.opencensus.tags.TagKey`	`RPC_METHOD` Deprecated. in favor of `GRPC_CLIENT_METHOD` and `GRPC_SERVER_METHOD`.
`static io.opencensus.stats.Measure.MeasureLong`	`RPC_SERVER_ERROR_COUNT` Deprecated. because error counts can be computed on your metrics backend by totalling the different per-status values.
`static io.opencensus.stats.Measure.MeasureLong`	`RPC_SERVER_FINISHED_COUNT` Deprecated. since finished count can be inferred with a `Count` aggregation on `GRPC_SERVER_SERVER_LATENCY`.
`static io.opencensus.stats.Measure.MeasureDouble`	`RPC_SERVER_REQUEST_BYTES` Deprecated. in favor of `GRPC_SERVER_RECEIVED_BYTES_PER_RPC`.
`static io.opencensus.stats.Measure.MeasureLong`	`RPC_SERVER_REQUEST_COUNT` Deprecated. in favor of `GRPC_SERVER_RECEIVED_MESSAGES_PER_RPC`.
`static io.opencensus.stats.Measure.MeasureDouble`	`RPC_SERVER_RESPONSE_BYTES` Deprecated. in favor of `GRPC_SERVER_SENT_BYTES_PER_RPC`.
`static io.opencensus.stats.Measure.MeasureLong`	`RPC_SERVER_RESPONSE_COUNT` Deprecated. in favor of `GRPC_SERVER_SENT_MESSAGES_PER_RPC`.
`static io.opencensus.stats.Measure.MeasureDouble`	`RPC_SERVER_SERVER_ELAPSED_TIME` Deprecated. in favor of `GRPC_SERVER_SERVER_LATENCY`.
`static io.opencensus.stats.Measure.MeasureDouble`	`RPC_SERVER_SERVER_LATENCY` Deprecated. in favor of `GRPC_SERVER_SERVER_LATENCY`.
`static io.opencensus.stats.Measure.MeasureLong`	`RPC_SERVER_STARTED_COUNT` Deprecated. in favor of `GRPC_SERVER_STARTED_RPCS`.
`static io.opencensus.stats.Measure.MeasureDouble`	`RPC_SERVER_UNCOMPRESSED_REQUEST_BYTES` Deprecated. in favor of `GRPC_SERVER_RECEIVED_BYTES_PER_RPC`.
`static io.opencensus.stats.Measure.MeasureDouble`	`RPC_SERVER_UNCOMPRESSED_RESPONSE_BYTES` Deprecated. in favor of `GRPC_SERVER_SENT_BYTES_PER_RPC`.
`static io.opencensus.tags.TagKey`	`RPC_STATUS` Deprecated. in favor of `GRPC_CLIENT_STATUS` and `GRPC_SERVER_STATUS`.

Method Summary
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - RPC_STATUS
```
@Deprecated
public static final io.opencensus.tags.TagKey RPC_STATUS
```
    Deprecated. in favor of GRPC_CLIENT_STATUS and GRPC_SERVER_STATUS.
    
    Tag key that represents a gRPC canonical status. Refer to https://github.com/grpc/grpc/blob/master/doc/statuscodes.md.
    
    Since:
    
    0.8
  - RPC_METHOD
```
@Deprecated
public static final io.opencensus.tags.TagKey RPC_METHOD
```
    Deprecated. in favor of GRPC_CLIENT_METHOD and GRPC_SERVER_METHOD.
    
    Tag key that represents a gRPC method.
    
    Since:
    
    0.8
  - GRPC_CLIENT_STATUS
```
public static final io.opencensus.tags.TagKey GRPC_CLIENT_STATUS
```
    Tag key that represents a client gRPC canonical status. Refer to https://github.com/grpc/grpc/blob/master/doc/statuscodes.md.
    GRPC_CLIENT_STATUS is set when an outgoing request finishes and is only available around metrics recorded at the end of the outgoing request.
    
    Since:
    
    0.13
  - GRPC_SERVER_STATUS
```
public static final io.opencensus.tags.TagKey GRPC_SERVER_STATUS
```
    Tag key that represents a server gRPC canonical status. Refer to https://github.com/grpc/grpc/blob/master/doc/statuscodes.md.
    GRPC_SERVER_STATUS is set when an incoming request finishes and is only available around metrics recorded at the end of the incoming request.
    
    Since:
    
    0.13
  - GRPC_CLIENT_METHOD
```
public static final io.opencensus.tags.TagKey GRPC_CLIENT_METHOD
```
    Tag key that represents a client gRPC method.
    GRPC_CLIENT_METHOD is set when an outgoing request starts and is available in all the recorded metrics.
    
    Since:
    
    0.13
  - GRPC_SERVER_METHOD
```
public static final io.opencensus.tags.TagKey GRPC_SERVER_METHOD
```
    Tag key that represents a server gRPC method.
    GRPC_SERVER_METHOD is set when an incoming request starts and is available in the context for the entire RPC call handling.
    
    Since:
    
    0.13
  - RPC_CLIENT_ERROR_COUNT
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureLong RPC_CLIENT_ERROR_COUNT
```
    Deprecated. because error counts can be computed on your metrics backend by totalling the different per-status values.
    
    Measure for gRPC client error counts.
    
    Since:
    
    0.8
  - RPC_CLIENT_REQUEST_BYTES
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureDouble RPC_CLIENT_REQUEST_BYTES
```
    Deprecated. in favor of GRPC_CLIENT_SENT_BYTES_PER_RPC.
    
    Measure for gRPC client request bytes.
    
    Since:
    
    0.8
  - RPC_CLIENT_RESPONSE_BYTES
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureDouble RPC_CLIENT_RESPONSE_BYTES
```
    Deprecated. in favor of GRPC_CLIENT_RECEIVED_BYTES_PER_RPC.
    
    Measure for gRPC client response bytes.
    
    Since:
    
    0.8
  - RPC_CLIENT_ROUNDTRIP_LATENCY
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureDouble RPC_CLIENT_ROUNDTRIP_LATENCY
```
    Deprecated. in favor of GRPC_CLIENT_ROUNDTRIP_LATENCY.
    
    Measure for gRPC client roundtrip latency in milliseconds.
    
    Since:
    
    0.8
  - RPC_CLIENT_SERVER_ELAPSED_TIME
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureDouble RPC_CLIENT_SERVER_ELAPSED_TIME
```
    Deprecated. in favor of GRPC_CLIENT_SERVER_LATENCY.
    
    Measure for gRPC client server elapsed time in milliseconds.
    
    Since:
    
    0.8
  - RPC_CLIENT_UNCOMPRESSED_REQUEST_BYTES
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureDouble RPC_CLIENT_UNCOMPRESSED_REQUEST_BYTES
```
    Deprecated. in favor of GRPC_CLIENT_SENT_BYTES_PER_RPC.
    
    Measure for gRPC client uncompressed request bytes.
    
    Since:
    
    0.8
  - RPC_CLIENT_UNCOMPRESSED_RESPONSE_BYTES
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureDouble RPC_CLIENT_UNCOMPRESSED_RESPONSE_BYTES
```
    Deprecated. in favor of GRPC_CLIENT_RECEIVED_BYTES_PER_RPC.
    
    Measure for gRPC client uncompressed response bytes.
    
    Since:
    
    0.8
  - RPC_CLIENT_STARTED_COUNT
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureLong RPC_CLIENT_STARTED_COUNT
```
    Deprecated. in favor of GRPC_CLIENT_STARTED_RPCS.
    
    Measure for number of started client RPCs.
    
    Since:
    
    0.8
  - RPC_CLIENT_FINISHED_COUNT
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureLong RPC_CLIENT_FINISHED_COUNT
```
    Deprecated. since finished count can be inferred with a Count aggregation on GRPC_CLIENT_SERVER_LATENCY.
    
    Measure for number of finished client RPCs.
    
    Since:
    
    0.8
  - RPC_CLIENT_REQUEST_COUNT
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureLong RPC_CLIENT_REQUEST_COUNT
```
    Deprecated. in favor of GRPC_CLIENT_SENT_MESSAGES_PER_RPC.
    
    Measure for client RPC request message counts.
    
    Since:
    
    0.8
  - RPC_CLIENT_RESPONSE_COUNT
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureLong RPC_CLIENT_RESPONSE_COUNT
```
    Deprecated. in favor of GRPC_CLIENT_RECEIVED_MESSAGES_PER_RPC.
    
    Measure for client RPC response message counts.
    
    Since:
    
    0.8
  - GRPC_CLIENT_SENT_BYTES_PER_RPC
```
public static final io.opencensus.stats.Measure.MeasureDouble GRPC_CLIENT_SENT_BYTES_PER_RPC
```
    Measure for total bytes sent across all request messages per RPC.
    
    Since:
    
    0.13
  - GRPC_CLIENT_RECEIVED_BYTES_PER_RPC
```
public static final io.opencensus.stats.Measure.MeasureDouble GRPC_CLIENT_RECEIVED_BYTES_PER_RPC
```
    Measure for total bytes received across all response messages per RPC.
    
    Since:
    
    0.13
  - GRPC_CLIENT_ROUNDTRIP_LATENCY
```
public static final io.opencensus.stats.Measure.MeasureDouble GRPC_CLIENT_ROUNDTRIP_LATENCY
```
    Measure for gRPC client roundtrip latency in milliseconds.
    
    Since:
    
    0.13
  - GRPC_CLIENT_SENT_MESSAGES_PER_RPC
```
public static final io.opencensus.stats.Measure.MeasureLong GRPC_CLIENT_SENT_MESSAGES_PER_RPC
```
    Measure for number of messages sent in the RPC.
    
    Since:
    
    0.13
  - GRPC_CLIENT_RECEIVED_MESSAGES_PER_RPC
```
public static final io.opencensus.stats.Measure.MeasureLong GRPC_CLIENT_RECEIVED_MESSAGES_PER_RPC
```
    Measure for number of response messages received per RPC.
    
    Since:
    
    0.13
  - GRPC_CLIENT_SERVER_LATENCY
```
public static final io.opencensus.stats.Measure.MeasureDouble GRPC_CLIENT_SERVER_LATENCY
```
    Measure for gRPC server latency in milliseconds.
    
    Since:
    
    0.13
  - GRPC_CLIENT_STARTED_RPCS
```
public static final io.opencensus.stats.Measure.MeasureLong GRPC_CLIENT_STARTED_RPCS
```
    Measure for total number of client RPCs ever opened, including those that have not completed.
    
    Since:
    
    0.14
  - RPC_SERVER_ERROR_COUNT
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureLong RPC_SERVER_ERROR_COUNT
```
    Deprecated. because error counts can be computed on your metrics backend by totalling the different per-status values.
    
    Measure for gRPC server error counts.
    
    Since:
    
    0.8
  - RPC_SERVER_REQUEST_BYTES
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureDouble RPC_SERVER_REQUEST_BYTES
```
    Deprecated. in favor of GRPC_SERVER_RECEIVED_BYTES_PER_RPC.
    
    Measure for gRPC server request bytes.
    
    Since:
    
    0.8
  - RPC_SERVER_RESPONSE_BYTES
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureDouble RPC_SERVER_RESPONSE_BYTES
```
    Deprecated. in favor of GRPC_SERVER_SENT_BYTES_PER_RPC.
    
    Measure for gRPC server response bytes.
    
    Since:
    
    0.8
  - RPC_SERVER_SERVER_ELAPSED_TIME
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureDouble RPC_SERVER_SERVER_ELAPSED_TIME
```
    Deprecated. in favor of GRPC_SERVER_SERVER_LATENCY.
    
    Measure for gRPC server elapsed time in milliseconds.
    
    Since:
    
    0.8
  - RPC_SERVER_SERVER_LATENCY
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureDouble RPC_SERVER_SERVER_LATENCY
```
    Deprecated. in favor of GRPC_SERVER_SERVER_LATENCY.
    
    Measure for gRPC server latency in milliseconds.
    
    Since:
    
    0.8
  - RPC_SERVER_UNCOMPRESSED_REQUEST_BYTES
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureDouble RPC_SERVER_UNCOMPRESSED_REQUEST_BYTES
```
    Deprecated. in favor of GRPC_SERVER_RECEIVED_BYTES_PER_RPC.
    
    Measure for gRPC server uncompressed request bytes.
    
    Since:
    
    0.8
  - RPC_SERVER_UNCOMPRESSED_RESPONSE_BYTES
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureDouble RPC_SERVER_UNCOMPRESSED_RESPONSE_BYTES
```
    Deprecated. in favor of GRPC_SERVER_SENT_BYTES_PER_RPC.
    
    Measure for gRPC server uncompressed response bytes.
    
    Since:
    
    0.8
  - RPC_SERVER_STARTED_COUNT
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureLong RPC_SERVER_STARTED_COUNT
```
    Deprecated. in favor of GRPC_SERVER_STARTED_RPCS.
    
    Measure for number of started server RPCs.
    
    Since:
    
    0.8
  - RPC_SERVER_FINISHED_COUNT
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureLong RPC_SERVER_FINISHED_COUNT
```
    Deprecated. since finished count can be inferred with a Count aggregation on GRPC_SERVER_SERVER_LATENCY.
    
    Measure for number of finished server RPCs.
    
    Since:
    
    0.8
  - RPC_SERVER_REQUEST_COUNT
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureLong RPC_SERVER_REQUEST_COUNT
```
    Deprecated. in favor of GRPC_SERVER_RECEIVED_MESSAGES_PER_RPC.
    
    Measure for server RPC request message counts.
    
    Since:
    
    0.8
  - RPC_SERVER_RESPONSE_COUNT
```
@Deprecated
public static final io.opencensus.stats.Measure.MeasureLong RPC_SERVER_RESPONSE_COUNT
```
    Deprecated. in favor of GRPC_SERVER_SENT_MESSAGES_PER_RPC.
    
    Measure for server RPC response message counts.
    
    Since:
    
    0.8
  - GRPC_SERVER_SENT_BYTES_PER_RPC
```
public static final io.opencensus.stats.Measure.MeasureDouble GRPC_SERVER_SENT_BYTES_PER_RPC
```
    Measure for total bytes sent across all response messages per RPC.
    
    Since:
    
    0.13
  - GRPC_SERVER_RECEIVED_BYTES_PER_RPC
```
public static final io.opencensus.stats.Measure.MeasureDouble GRPC_SERVER_RECEIVED_BYTES_PER_RPC
```
    Measure for total bytes received across all messages per RPC.
    
    Since:
    
    0.13
  - GRPC_SERVER_SENT_MESSAGES_PER_RPC
```
public static final io.opencensus.stats.Measure.MeasureLong GRPC_SERVER_SENT_MESSAGES_PER_RPC
```
    Measure for number of messages sent in each RPC.
    
    Since:
    
    0.13
  - GRPC_SERVER_RECEIVED_MESSAGES_PER_RPC
```
public static final io.opencensus.stats.Measure.MeasureLong GRPC_SERVER_RECEIVED_MESSAGES_PER_RPC
```
    Measure for number of messages received in each RPC.
    
    Since:
    
    0.13
  - GRPC_SERVER_SERVER_LATENCY
```
public static final io.opencensus.stats.Measure.MeasureDouble GRPC_SERVER_SERVER_LATENCY
```
    Measure for gRPC server latency in milliseconds.
    
    Since:
    
    0.13
  - GRPC_SERVER_STARTED_RPCS
```
public static final io.opencensus.stats.Measure.MeasureLong GRPC_SERVER_STARTED_RPCS
```
    Measure for total number of server RPCs ever opened, including those that have not completed.
    
    Since:
    
    0.14

Class RpcMeasureConstants

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

RPC_STATUS

RPC_METHOD

GRPC_CLIENT_STATUS

GRPC_SERVER_STATUS

GRPC_CLIENT_METHOD

GRPC_SERVER_METHOD

RPC_CLIENT_ERROR_COUNT

RPC_CLIENT_REQUEST_BYTES

RPC_CLIENT_RESPONSE_BYTES

RPC_CLIENT_ROUNDTRIP_LATENCY

RPC_CLIENT_SERVER_ELAPSED_TIME

RPC_CLIENT_UNCOMPRESSED_REQUEST_BYTES

RPC_CLIENT_UNCOMPRESSED_RESPONSE_BYTES

RPC_CLIENT_STARTED_COUNT

RPC_CLIENT_FINISHED_COUNT

RPC_CLIENT_REQUEST_COUNT

RPC_CLIENT_RESPONSE_COUNT

GRPC_CLIENT_SENT_BYTES_PER_RPC

GRPC_CLIENT_RECEIVED_BYTES_PER_RPC

GRPC_CLIENT_ROUNDTRIP_LATENCY

GRPC_CLIENT_SENT_MESSAGES_PER_RPC

GRPC_CLIENT_RECEIVED_MESSAGES_PER_RPC

GRPC_CLIENT_SERVER_LATENCY

GRPC_CLIENT_STARTED_RPCS

RPC_SERVER_ERROR_COUNT

RPC_SERVER_REQUEST_BYTES

RPC_SERVER_RESPONSE_BYTES

RPC_SERVER_SERVER_ELAPSED_TIME

RPC_SERVER_SERVER_LATENCY

RPC_SERVER_UNCOMPRESSED_REQUEST_BYTES

RPC_SERVER_UNCOMPRESSED_RESPONSE_BYTES

RPC_SERVER_STARTED_COUNT

RPC_SERVER_FINISHED_COUNT

RPC_SERVER_REQUEST_COUNT

RPC_SERVER_RESPONSE_COUNT

GRPC_SERVER_SENT_BYTES_PER_RPC

GRPC_SERVER_RECEIVED_BYTES_PER_RPC

GRPC_SERVER_SENT_MESSAGES_PER_RPC

GRPC_SERVER_RECEIVED_MESSAGES_PER_RPC

GRPC_SERVER_SERVER_LATENCY

GRPC_SERVER_STARTED_RPCS