mirror of https://github.com/k3s-io/k3s
50 lines
1.9 KiB
Go
50 lines
1.9 KiB
Go
// Copyright 2017 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package clientv3
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import (
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"math"
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"google.golang.org/grpc"
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)
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var (
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// Disable gRPC internal retrial logic
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// TODO: enable when gRPC retry is stable (FailFast=false)
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// Reference:
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// - https://github.com/grpc/grpc-go/issues/1532
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// - https://github.com/grpc/proposal/blob/master/A6-client-retries.md
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defaultFailFast = grpc.FailFast(true)
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// client-side request send limit, gRPC default is math.MaxInt32
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// Make sure that "client-side send limit < server-side default send/recv limit"
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// Same value as "embed.DefaultMaxRequestBytes" plus gRPC overhead bytes
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defaultMaxCallSendMsgSize = grpc.MaxCallSendMsgSize(2 * 1024 * 1024)
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// client-side response receive limit, gRPC default is 4MB
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// Make sure that "client-side receive limit >= server-side default send/recv limit"
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// because range response can easily exceed request send limits
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// Default to math.MaxInt32; writes exceeding server-side send limit fails anyway
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defaultMaxCallRecvMsgSize = grpc.MaxCallRecvMsgSize(math.MaxInt32)
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)
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// defaultCallOpts defines a list of default "gRPC.CallOption".
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// Some options are exposed to "clientv3.Config".
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// Defaults will be overridden by the settings in "clientv3.Config".
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var defaultCallOpts = []grpc.CallOption{defaultFailFast, defaultMaxCallSendMsgSize, defaultMaxCallRecvMsgSize}
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// MaxLeaseTTL is the maximum lease TTL value
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const MaxLeaseTTL = 9000000000
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