47 lines
2.6 KiB
Go
47 lines
2.6 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package overlay
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import (
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"time"
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"github.com/spacemonkeygo/monkit/v3"
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"github.com/zeebo/errs"
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"storj.io/common/memory"
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)
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var (
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mon = monkit.Package()
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// Error represents an overlay error
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Error = errs.Class("overlay error")
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)
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// Config is a configuration for overlay service.
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type Config struct {
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Node NodeSelectionConfig
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NodeSelectionCache CacheConfig
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UpdateStatsBatchSize int `help:"number of update requests to process per transaction" default:"100"`
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}
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// NodeSelectionConfig is a configuration struct to determine the minimum
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// values for nodes to select.
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type NodeSelectionConfig struct {
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UptimeCount int64 `help:"the number of times a node's uptime has been checked to not be considered a New Node" releaseDefault:"100" devDefault:"0"`
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AuditCount int64 `help:"the number of times a node has been audited to not be considered a New Node" releaseDefault:"100" devDefault:"0"`
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NewNodeFraction float64 `help:"the fraction of new nodes allowed per request" default:"0.05"`
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MinimumVersion string `help:"the minimum node software version for node selection queries" default:""`
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OnlineWindow time.Duration `help:"the amount of time without seeing a node before its considered offline" default:"4h"`
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DistinctIP bool `help:"require distinct IPs when choosing nodes for upload" releaseDefault:"true" devDefault:"false"`
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MinimumDiskSpace memory.Size `help:"how much disk space a node at minimum must have to be selected for upload" default:"500MB"`
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AuditReputationRepairWeight float64 `help:"weight to apply to audit reputation for total repair reputation calculation" default:"1.0"`
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AuditReputationUplinkWeight float64 `help:"weight to apply to audit reputation for total uplink reputation calculation" default:"1.0"`
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AuditReputationLambda float64 `help:"the forgetting factor used to calculate the audit SNs reputation" default:"0.95"`
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AuditReputationWeight float64 `help:"the normalization weight used to calculate the audit SNs reputation" default:"1.0"`
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AuditReputationDQ float64 `help:"the reputation cut-off for disqualifying SNs based on audit history" default:"0.6"`
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SuspensionGracePeriod time.Duration `help:"the time period that must pass before suspended nodes will be disqualified" releaseDefault:"168h" devDefault:"1h"`
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SuspensionDQEnabled bool `help:"whether nodes will be disqualified if they have been suspended for longer than the suspended grace period" releaseDefault:"false" devDefault:"true"`
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}
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