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grpc_stats.go
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grpc_stats.go
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// Copyright 2018, OpenCensus Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package grpcmetrics
import (
"go.opencensus.io/stats"
"go.opencensus.io/stats/view"
"go.opencensus.io/tag"
)
var (
ClientSentMessagesPerRPC = stats.Int64(
"grpc/client/sent_messages_per_rpc",
"Number of messages sent in the RPC (always 1 for non-streaming RPCs).",
stats.UnitDimensionless,
)
ClientSentBytesPerRPC = stats.Int64(
"grpc/client/sent_bytes_per_rpc",
"Total bytes sent across all request messages per RPC.",
stats.UnitBytes,
)
ClientReceivedMessagesPerRPC = stats.Int64(
"grpc/client/received_messages_per_rpc",
"Number of response messages received per RPC (always 1 for non-streaming RPCs).",
stats.UnitDimensionless,
)
ClientReceivedBytesPerRPC = stats.Int64(
"grpc/client/received_bytes_per_rpc",
"Total bytes received across all response messages per RPC.",
stats.UnitBytes,
)
ClientRoundtripLatency = stats.Float64(
"grpc/client/roundtrip_latency",
"Time between first byte of request sent to last byte of response received, or terminal error.",
stats.UnitMilliseconds,
)
)
var (
KeyClientMethod, _ = tag.NewKey("grpc_client_method")
KeyClientStatus, _ = tag.NewKey("grpc_client_status")
)
var (
ClientSentBytesPerRPCView = &view.View{
Measure: ClientSentBytesPerRPC,
Name: "grpc/client/sent_bytes_per_rpc",
Description: "Distribution of bytes sent per RPC, by method.",
TagKeys: []tag.Key{KeyClientMethod},
Aggregation: DefaultBytesDistribution,
}
ClientReceivedBytesPerRPCView = &view.View{
Measure: ClientReceivedBytesPerRPC,
Name: "grpc/client/received_bytes_per_rpc",
Description: "Distribution of bytes received per RPC, by method.",
TagKeys: []tag.Key{KeyClientMethod},
Aggregation: DefaultBytesDistribution,
}
ClientRoundtripLatencyView = &view.View{
Measure: ClientRoundtripLatency,
Name: "grpc/client/roundtrip_latency",
Description: "Distribution of round-trip latency, by method.",
TagKeys: []tag.Key{KeyClientMethod},
Aggregation: DefaultMillisecondsDistribution,
}
ClientCompletedRPCsView = &view.View{
Measure: ClientRoundtripLatency,
Name: "grpc/client/completed_rpcs",
Description: "Count of RPCs by method and status.",
TagKeys: []tag.Key{KeyClientMethod, KeyClientStatus},
Aggregation: view.Count(),
}
ClientSentMessagesPerRPCView = &view.View{
Measure: ClientSentMessagesPerRPC,
Name: "grpc/client/sent_messages_per_rpc",
Description: "Distribution of sent messages count per RPC, by method.",
TagKeys: []tag.Key{KeyClientMethod},
Aggregation: DefaultMessageCountDistribution,
}
ClientReceivedMessagesPerRPCView = &view.View{
Measure: ClientReceivedMessagesPerRPC,
Name: "grpc/client/received_messages_per_rpc",
Description: "Distribution of received messages count per RPC, by method.",
TagKeys: []tag.Key{KeyClientMethod},
Aggregation: DefaultMessageCountDistribution,
}
)
var DefaultClientViews = []*view.View{
ClientSentBytesPerRPCView,
ClientReceivedBytesPerRPCView,
ClientRoundtripLatencyView,
ClientCompletedRPCsView,
ClientSentMessagesPerRPCView,
ClientReceivedMessagesPerRPCView,
}
var (
DefaultBytesDistribution = view.Distribution(0, 1024, 2048, 4096, 16384, 65536, 262144, 1048576, 4194304, 16777216, 67108864, 268435456, 1073741824, 4294967296)
DefaultMillisecondsDistribution = view.Distribution(0, 0.01, 0.05, 0.1, 0.3, 0.6, 0.8, 1, 2, 3, 4, 5, 6, 8, 10, 13, 16, 20, 25, 30, 40, 50, 65, 80, 100, 130, 160, 200, 250, 300, 400, 500, 650, 800, 1000, 2000, 5000, 10000, 20000, 50000, 100000)
DefaultMessageCountDistribution = view.Distribution(0, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536)
)