storj/satellite/gracefulexit/common.go

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// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package gracefulexit
import (
"time"
"github.com/spacemonkeygo/monkit/v3"
"github.com/zeebo/errs"
)
var (
// Error is the default error class for graceful exit package.
Error = errs.Class("gracefulexit")
// ErrNodeNotFound is returned if a graceful exit entry for a node does not exist in database
ErrNodeNotFound = errs.Class("graceful exit node not found")
// ErrAboveOptimalThreshold is returned if a graceful exit entry for a node has more pieces than required.
ErrAboveOptimalThreshold = errs.Class("pointer has more pieces than required")
mon = monkit.Package()
)
// Config for the chore
type Config struct {
Enabled bool `help:"whether or not graceful exit is enabled on the satellite side." default:"true"`
ChoreBatchSize int `help:"size of the buffer used to batch inserts into the transfer queue." default:"500"`
ChoreInterval time.Duration `help:"how often to run the transfer queue chore." releaseDefault:"30s" devDefault:"10s"`
EndpointBatchSize int `help:"size of the buffer used to batch transfer queue reads and sends to the storage node." default:"100"`
MaxFailuresPerPiece int `help:"maximum number of transfer failures per piece." default:"3"`
OverallMaxFailuresPercentage int `help:"maximum percentage of transfer failures per node." default:"10"`
MaxInactiveTimeFrame time.Duration `help:"maximum inactive time frame of transfer activities per node." default:"168h"`
RecvTimeout time.Duration `help:"the minimum duration for receiving a stream from a storage node before timing out" default:"10m"`
MaxOrderLimitSendCount int `help:"maximum number of order limits a satellite sends to a node before marking piece transfer failed" default:"5"`
NodeMinAgeInMonths int `help:"minimum age for a node on the network in order to initiate graceful exit" default:"6"`
}