raftstore

package
v0.0.0-...-3a1a44b Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Dec 15, 2024 License: Apache-2.0 Imports: 28 Imported by: 2

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Index

Constants

View Source 
const (
	InitEpochVer     uint64 = 1
	InitEpochConfVer uint64 = 1
)
View Source 
const (
	MaxCheckClusterBootstrappedRetryCount = 60
	CheckClusterBootstrapRetrySeconds     = 3
)
View Source 
const SnapMgrGcTickInterval = 1 * time.Minute

Variables

This section is empty.

Functions

func BindRespError 

func BindRespError(resp *raft_cmdpb.RaftCmdResponse, err error)

func BindRespTerm 

func BindRespTerm(resp *raft_cmdpb.RaftCmdResponse, term uint64)

func BootstrapStore 

func BootstrapStore(engines *engine_util.Engines, clusterID, storeID uint64) error

func ClearMeta 

func ClearMeta(engines *engine_util.Engines, kvWB, raftWB *engine_util.WriteBatch, regionID uint64, lastIndex uint64) error

ClearMeta delete stale metadata like raftState, applyState, regionState and raft log entries

func ClearPrepareBootstrap 

func ClearPrepareBootstrap(engines *engine_util.Engines, regionID uint64) error

func ClearPrepareBootstrapState 

func ClearPrepareBootstrapState(engines *engine_util.Engines) error

func CreateRaftstore 

func CreateRaftstore(cfg *config.Config) (*RaftstoreRouter, *Raftstore)

func ErrResp 

func ErrResp(err error) *raft_cmdpb.RaftCmdResponse

func ErrRespRegionNotFound 

func ErrRespRegionNotFound(regionID uint64) *raft_cmdpb.RaftCmdResponse

func ErrRespStaleCommand 

func ErrRespStaleCommand(term uint64) *raft_cmdpb.RaftCmdResponse

func ErrRespWithTerm 

func ErrRespWithTerm(err error, term uint64) *raft_cmdpb.RaftCmdResponse

func NewPeer 

func NewPeer(storeId uint64, cfg *config.Config, engines *engine_util.Engines, region *metapb.Region, regionSched chan<- worker.Task,
	meta *metapb.Peer) (*peer, error)

func NotifyReqRegionRemoved 

func NotifyReqRegionRemoved(regionId uint64, cb *message.Callback)

func NotifyStaleReq 

func NotifyStaleReq(term uint64, cb *message.Callback)

func PrepareBootstrap 

func PrepareBootstrap(engines *engine_util.Engines, storeID, regionID, peerID uint64) (*metapb.Region, error)

func PrepareBootstrapCluster 

func PrepareBootstrapCluster(engines *engine_util.Engines, region *metapb.Region) error

Types

type ApplySnapResult 

type ApplySnapResult struct {
	// PrevRegion is the region before snapshot applied
	PrevRegion *metapb.Region
	Region     *metapb.Region
}

type GlobalContext 

type GlobalContext struct {
	// contains filtered or unexported fields
}

type Node 

type Node struct {
	// contains filtered or unexported fields
}

func NewNode 

func NewNode(system *Raftstore, cfg *config.Config, schedulerClient scheduler_client.Client) *Node

func (*Node) BootstrapCluster 

func (n *Node) BootstrapCluster(ctx context.Context, engines *engine_util.Engines, firstRegion *metapb.Region) (newCluster bool, err error)

func (*Node) GetDBPath 

func (n *Node) GetDBPath() string

func (*Node) GetStoreID 

func (n *Node) GetStoreID() uint64

func (*Node) Start 

func (n *Node) Start(ctx context.Context, engines *engine_util.Engines, trans Transport, snapMgr *snap.SnapManager) error

func (*Node) Stop 

func (n *Node) Stop()

type PeerStorage 

type PeerStorage struct {

	// Engine include two badger instance: Raft and Kv
	Engines *engine_util.Engines
	// Tag used for logging
	Tag string
	// contains filtered or unexported fields
}

func NewPeerStorage 

func NewPeerStorage(engines *engine_util.Engines, region *metapb.Region, regionSched chan<- worker.Task, tag string) (*PeerStorage, error)

NewPeerStorage get the persist raftState from engines and return a peer storage

func (*PeerStorage) Append 

func (ps *PeerStorage) Append(entries []eraftpb.Entry, raftWB *engine_util.WriteBatch) error

Append the given entries to the raft log and update ps.raftState also delete log entries that will never be committed

func (*PeerStorage) AppliedIndex 

func (ps *PeerStorage) AppliedIndex() uint64

func (*PeerStorage) ApplySnapshot 

func (ps *PeerStorage) ApplySnapshot(snapshot *eraftpb.Snapshot, kvWB *engine_util.WriteBatch, raftWB *engine_util.WriteBatch) (*ApplySnapResult, error)

Apply the peer with given snapshot

func (*PeerStorage) ClearData 

func (ps *PeerStorage) ClearData()

func (*PeerStorage) Entries 

func (ps *PeerStorage) Entries(low, high uint64) ([]eraftpb.Entry, error)

func (*PeerStorage) FirstIndex 

func (ps *PeerStorage) FirstIndex() (uint64, error)

func (*PeerStorage) InitialState 

func (ps *PeerStorage) InitialState() (eraftpb.HardState, eraftpb.ConfState, error)

func (*PeerStorage) LastIndex 

func (ps *PeerStorage) LastIndex() (uint64, error)

func (*PeerStorage) Region 

func (ps *PeerStorage) Region() *metapb.Region

func (*PeerStorage) SaveReadyState 

func (ps *PeerStorage) SaveReadyState(ready *raft.Ready) (*ApplySnapResult, error)

Save memory states to disk. Do not modify ready in this function, this is a requirement to advance the ready object properly later.

func (*PeerStorage) SetRegion 

func (ps *PeerStorage) SetRegion(region *metapb.Region)

func (*PeerStorage) Snapshot 

func (ps *PeerStorage) Snapshot() (eraftpb.Snapshot, error)

func (*PeerStorage) Term 

func (ps *PeerStorage) Term(idx uint64) (uint64, error)

type PeerTick 

type PeerTick int
const (
	PeerTickRaft               PeerTick = 0
	PeerTickRaftLogGC          PeerTick = 1
	PeerTickSplitRegionCheck   PeerTick = 2
	PeerTickSchedulerHeartbeat PeerTick = 3
)

type Raftstore 

type Raftstore struct {
	// contains filtered or unexported fields
}

type RaftstoreRouter 

type RaftstoreRouter struct {
	// contains filtered or unexported fields
}

func NewRaftstoreRouter 

func NewRaftstoreRouter(router *router) *RaftstoreRouter

func (*RaftstoreRouter) Send 

func (r *RaftstoreRouter) Send(regionID uint64, msg message.Msg) error

func (*RaftstoreRouter) SendRaftCommand 

func (r *RaftstoreRouter) SendRaftCommand(req *raft_cmdpb.RaftCmdRequest, cb *message.Callback) error

func (*RaftstoreRouter) SendRaftMessage 

func (r *RaftstoreRouter) SendRaftMessage(msg *raft_serverpb.RaftMessage) error

type StoreTick 

type StoreTick int
const (
	StoreTickSchedulerStoreHeartbeat StoreTick = 1
	StoreTickSnapGC                  StoreTick = 2
)

type Transport 

type Transport interface {
	Send(msg *rspb.RaftMessage) error
}

Source Files

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