github.com/uber/kraken@v0.1.4/lib/hashring/config.go (about)

     1  // Copyright (c) 2016-2019 Uber Technologies, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  package hashring
    15  
    16  import "time"
    17  
    18  // Config defines Ring configuration.
    19  type Config struct {
    20  	// MaxReplica is the max number of hosts each blob will be replicated across.
    21  	// If MaxReplica is >= the number of hosts in the ring, every host will own
    22  	// every blob.
    23  	MaxReplica int `yaml:"max_replica"`
    24  
    25  	// RefreshInterval is the interval at which membership / health information
    26  	// is refreshed during monitoring.
    27  	RefreshInterval time.Duration `yaml:"refresh_interval"`
    28  }
    29  
    30  func (c *Config) applyDefaults() {
    31  	if c.MaxReplica == 0 {
    32  		c.MaxReplica = 3
    33  	}
    34  	if c.RefreshInterval == 0 {
    35  		c.RefreshInterval = 10 * time.Second
    36  	}
    37  }