cubefs

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// Copyright 2018 The CubeFS Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//     http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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// implied. See the License for the specific language governing
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// permissions and limitations under the License.
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package datanode
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const (
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	IntervalToUpdateReplica       = 600 // interval to update the replica
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	IntervalToUpdatePartitionSize = 60  // interval to update the partition size
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	NumOfFilesToRecoverInParallel = 10  // number of files to be recovered simultaneously
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)
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// Network protocol
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const (
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	NetworkProtocol = "tcp"
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)
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// Status of load data partition extent header
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const (
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	FinishLoadDataPartitionExtentHeader = 1
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)
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// cmd response
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const (
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	ReadFlag  = 1
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	WriteFlag = 2
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)
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// Error code
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const (
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	RaftNotStarted = "RaftNotStarted"
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)
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// Action description
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const (
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	ActionNotifyFollowerToRepair        = "ActionNotifyFollowerRepair"
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	ActionStreamRead                    = "ActionStreamRead"
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	ActionStreamFollowerRead            = "ActionStreamFollowerRead"
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	ActionCreateExtent                  = "ActionCreateExtent:"
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	ActionMarkDelete                    = "ActionMarkDelete:"
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	ActionGetAllExtentWatermarks        = "ActionGetAllExtentWatermarks:"
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	ActionWrite                         = "ActionWrite:"
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	ActionRepair                        = "ActionRepair:"
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	ActionDecommissionPartition         = "ActionDecommissionPartition"
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	ActionAddDataPartitionRaftMember    = "ActionAddDataPartitionRaftMember"
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	ActionRemoveDataPartitionRaftMember = "ActionRemoveDataPartitionRaftMember"
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	ActionDataPartitionTryToLeader      = "ActionDataPartitionTryToLeader"
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	ActionCreateDataPartition        = "ActionCreateDataPartition"
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	ActionLoadDataPartition          = "ActionLoadDataPartition"
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	ActionDeleteDataPartition        = "ActionDeleteDataPartition"
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	ActionStreamReadTinyDeleteRecord = "ActionStreamReadTinyDeleteRecord"
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	ActionSyncTinyDeleteRecord       = "ActionSyncTinyDeleteRecord"
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	ActionStreamReadTinyExtentRepair = "ActionStreamReadTinyExtentRepair"
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	ActionBatchMarkDelete            = "ActionBatchMarkDelete"
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	ActionUpdateVersion              = "ActionUpdateVersion"
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	ActionStopDataPartitionRepair    = "ActionStopDataPartitionRepair"
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)
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// Apply the raft log operation. Currently we only have the random write operation.
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const (
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	MinTinyExtentsToRepair = 10 // minimum number of tiny extents to repair
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)
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// Tiny extent has been put back to store
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const (
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	IsReleased = 1
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)
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const (
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	MinAvaliTinyExtentCnt = 5
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)
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// Sector size
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const (
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	DiskSectorSize = 512
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)
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const (
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	RepairRead = true
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	StreamRead = false
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)
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const (
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	BufferWrite = false
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)
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const (
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	EmptyResponse                      = 'E'
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	TinyExtentRepairReadResponseArgLen = 17
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	MaxSyncTinyDeleteBufferSize        = 2400000
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	MaxFullSyncTinyDeleteTime          = 3600 * 24
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	MinTinyExtentDeleteRecordSyncSize  = 4 * 1024 * 1024
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)
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