53 lines
1.7 KiB
Go
53 lines
1.7 KiB
Go
/*
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*
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* Copyright 2019 gRPC 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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*
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*/
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// Package backoff provides configuration options for backoff.
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//
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// More details can be found at:
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// https://github.com/grpc/grpc/blob/master/doc/connection-backoff.md.
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//
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// All APIs in this package are experimental.
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package backoff
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import "time"
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// Config defines the configuration options for backoff.
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type Config struct {
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// BaseDelay is the amount of time to backoff after the first failure.
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BaseDelay time.Duration
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// Multiplier is the factor with which to multiply backoffs after a
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// failed retry. Should ideally be greater than 1.
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Multiplier float64
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// Jitter is the factor with which backoffs are randomized.
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Jitter float64
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// MaxDelay is the upper bound of backoff delay.
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MaxDelay time.Duration
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}
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// DefaultConfig is a backoff configuration with the default values specfied
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// at https://github.com/grpc/grpc/blob/master/doc/connection-backoff.md.
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//
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// This should be useful for callers who want to configure backoff with
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// non-default values only for a subset of the options.
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var DefaultConfig = Config{
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BaseDelay: 1.0 * time.Second,
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Multiplier: 1.6,
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Jitter: 0.2,
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MaxDelay: 120 * time.Second,
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}
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