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docs(configuration): add cluster configuration

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Yicheng Qin
2014-06-16 13:55:37 -07:00
parent fc2afe1ed2
commit a29f6fb799
3 changed files with 14 additions and 1 deletions
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11
Documentation/configuration.md
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@ -41,6 +41,9 @@ configuration files.
* `-peer-election-timeout` - The number of milliseconds to wait before the leader is declared unhealthy. * `-peer-election-timeout` - The number of milliseconds to wait before the leader is declared unhealthy.
* `-peer-heartbeat-interval` - The number of milliseconds in between heartbeat requests * `-peer-heartbeat-interval` - The number of milliseconds in between heartbeat requests
* `-snapshot=false` - Disable log snapshots. Defaults to `true`. * `-snapshot=false` - Disable log snapshots. Defaults to `true`.
* `-cluster-active-size` - The number of expected peer-mode instances in the cluster. It is used only when the instance creates a new cluster.
* `-cluster-remove-delay` - The delay before one node is removed from the cluster since it cannot be connected at all. It is used only when the instance creates a new cluster.
* `-cluster-sync-interval` - The interval between synchronization for standby-mode instance with the cluster. It is used only when the instance creates a new cluster.
* `-v` - Enable verbose logging. Defaults to `false`. * `-v` - Enable verbose logging. Defaults to `false`.
* `-vv` - Enable very verbose logging. Defaults to `false`. * `-vv` - Enable very verbose logging. Defaults to `false`.
* `-version` - Print the version and exit. * `-version` - Print the version and exit.
@ -76,6 +79,11 @@ bind_addr = "127.0.0.1:7001"
ca_file = "" ca_file = ""
cert_file = "" cert_file = ""
key_file = "" key_file = ""
[cluster]
active_size = 9
remove_delay = 1800.0
sync_interval = 5.0
``` ```
## Environment Variables ## Environment Variables
@ -105,3 +113,6 @@ key_file = ""
* `ETCD_PEER_CERT_FILE` * `ETCD_PEER_CERT_FILE`
* `ETCD_PEER_KEY_FILE` * `ETCD_PEER_KEY_FILE`
* `ETCD_PEER_ELECTION_TIMEOUT` * `ETCD_PEER_ELECTION_TIMEOUT`
* `ETCD_CLUSTER_ACTIVE_SIZE`
* `ETCD_CLUSTER_REMOVE_DELAY`
* `ETCD_CLUSTER_SYNC_INTERVAL`

1
server/cluster_config.go
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@ -25,7 +25,6 @@ const (
) )
// ClusterConfig represents cluster-wide configuration settings. // ClusterConfig represents cluster-wide configuration settings.
// These settings can only be changed through Raft.
type ClusterConfig struct { type ClusterConfig struct {
// ActiveSize is the maximum number of node that can join as Raft followers. // ActiveSize is the maximum number of node that can join as Raft followers.
// Nodes that join the cluster after the limit is reached are standbys. // Nodes that join the cluster after the limit is reached are standbys.

3
server/usage.go
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@ -56,6 +56,9 @@ Other Options:
-max-cluster-size Maximum number of nodes in the cluster. -max-cluster-size Maximum number of nodes in the cluster.
-snapshot=false Disable log snapshots -snapshot=false Disable log snapshots
-snapshot-count Number of transactions before issuing a snapshot. -snapshot-count Number of transactions before issuing a snapshot.
-cluster-active-size Number of active nodes in the cluster.
-cluster-remove-delay Seconds before one node is removed.
-cluster-sync-interval Seconds between synchronizations for standby mode.
` `
// Usage returns the usage message for etcd. // Usage returns the usage message for etcd.