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More docs and removed SnapShotInterval from raft timing struct stanza

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Preetha Appan 2018-05-11 09:52:17 -05:00
parent d721da7b67
commit 3ff5fd6ec5
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2 changed files with 12 additions and 5 deletions
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1
agent/config/config.go
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@ -266,7 +266,6 @@ type Consul struct {
ElectionTimeout *string `json:"election_timeout,omitempty" hcl:"election_timeout" mapstructure:"election_timeout"`
HeartbeatTimeout *string `json:"heartbeat_timeout,omitempty" hcl:"heartbeat_timeout" mapstructure:"heartbeat_timeout"`
LeaderLeaseTimeout *string `json:"leader_lease_timeout,omitempty" hcl:"leader_lease_timeout" mapstructure:"leader_lease_timeout"`
SnapshotThreshold *int `json:"snapshot_threshold,omitempty" hcl:"snapshot_threshold" mapstructure:"snapshot_threshold"`
} `json:"raft,omitempty" hcl:"raft" mapstructure:"raft"`
SerfLAN struct {

16
website/source/docs/agent/options.html.md
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@ -359,11 +359,19 @@ will exit with an error at startup.
[Raft Protocol Version Compatibility](/docs/upgrade-specific.html#raft-protocol-version-compatibility)
for more details.
* <a name="_raft_snapshot_threshold"></a><a href="#_raft_snapshot_threshold">`-raft-snapshot-threshold`</a> - This
controls the minimum number of raft commit entries between snapshots that are saved to disk.
* <a name="_raft_snapshot_threshold"></a><a href="#_raft_snapshot_threshold">`-raft-snapshot-threshold`</a> - This controls the
minimum number of raft commit entries between snapshots that are saved to disk. This is a low-level parameter that should
rarely need to be changed. Very busy clusters experiencing excessive disk IO may increase this value to reduce disk IO, and minimize
the chances of all servers taking snapshots at the same time. Increasing this trades off disk IO for disk space since the log will
grow much larger and the space in the raft.db file can't be reclaimed till the next snapshot. Servers may take longer to recover from
crashes or failover if this is increased significantly as more logs will need to be replayed.
* <a name="_raft_snapshot_interval"></a><a href="#_raft_snapshot_interval">`-raft-snapshot-interval`</a> - This
controls how often servers check if they need to save a snapshot to disk.
* <a name="_raft_snapshot_interval"></a><a href="#_raft_snapshot_interval">`-raft-snapshot-interval`</a> - This controls how often servers
check if they need to save a snapshot to disk. his is a low-level parameter that should rarely need to be changed. Very busy clusters
experiencing excessive disk IO may increase this value to reduce disk IO, and minimize the chances of all servers taking snapshots at the same time.
Increasing this trades off disk IO for disk space since the log will grow much larger and the space in the raft.db file can't be reclaimed
till the next snapshot. Servers may take longer to recover from crashes or failover if this is increased significantly as more logs
will need to be replayed.
* <a name="_recursor"></a><a href="#_recursor">`-recursor`</a> - Specifies the address of an upstream DNS
server. This option may be provided multiple times, and is functionally