task

type CompressionConfig struct {
	CompressionType  backuppb.CompressionType `json:"compression-type" toml:"compression-type"`
	CompressionLevel int32                    `json:"compression-level" toml:"compression-level"`
}

type Config struct {
	storage.BackendOptions

	Storage             string          `json:"storage" toml:"storage"`
	PD                  []string        `json:"pd" toml:"pd"`
	TLS                 utils.TLSConfig `json:"tls" toml:"tls"`
	RateLimit           uint64          `json:"rate-limit" toml:"rate-limit"`
	ChecksumConcurrency uint            `json:"checksum-concurrency" toml:"checksum-concurrency"`
	Concurrency         uint32          `json:"concurrency" toml:"concurrency"`
	Checksum            bool            `json:"checksum" toml:"checksum"`
	SendCreds           bool            `json:"send-credentials-to-tikv" toml:"send-credentials-to-tikv"`
	// LogProgress is true means the progress bar is printed to the log instead of stdout.
	LogProgress bool `json:"log-progress" toml:"log-progress"`

	// CaseSensitive should not be used.
	//
	// Deprecated: This field is kept only to satisfy the cyclic dependency with TiDB. This field
	// should be removed after TiDB upgrades the BR dependency.
	CaseSensitive bool

	// NoCreds means don't try to load cloud credentials
	NoCreds bool `json:"no-credentials" toml:"no-credentials"`

	CheckRequirements bool `json:"check-requirements" toml:"check-requirements"`
	// EnableOpenTracing is whether to enable opentracing
	EnableOpenTracing bool `json:"enable-opentracing" toml:"enable-opentracing"`
	// SkipCheckPath skips verifying the path
	// deprecated
	SkipCheckPath bool `json:"skip-check-path" toml:"skip-check-path"`

	SwitchModeInterval time.Duration `json:"switch-mode-interval" toml:"switch-mode-interval"`

	// GrpcKeepaliveTime is the interval of pinging the server.
	GRPCKeepaliveTime time.Duration `json:"grpc-keepalive-time" toml:"grpc-keepalive-time"`
	// GrpcKeepaliveTimeout is the max time a grpc conn can keep idel before killed.
	GRPCKeepaliveTimeout time.Duration `json:"grpc-keepalive-timeout" toml:"grpc-keepalive-timeout"`
	// GRPCMaxRecvMsgSize is the max allowed size of a message received from tikv.
	GRPCMaxRecvMsgSize uint `json:"grpc-max-recv-msg-size" toml:"grpc-max-recv-msg-size"`

	// SplitRegionMaxKeys is the max number of keys in a single split region request.
	SplitRegionMaxKeys uint `json:"split-region-max-keys" toml:"split-region-max-keys"`

	CipherInfo backuppb.CipherInfo `json:"-" toml:"-"`
}

type RawKvConfig struct {
	Config

	StartKey      []byte `json:"start-key" toml:"start-key"`
	EndKey        []byte `json:"end-key" toml:"end-key"`
	DstAPIVersion string `json:"dst-api-version" toml:"dst-api-version"`
	CompressionConfig
	RemoveSchedulers bool          `json:"remove-schedulers" toml:"remove-schedulers"`
	SafeInterval     time.Duration `json:"safe-interval" toml:"safe-interval"`
	GCTTL            time.Duration `json:"gc-ttl" toml:"gc-ttl"`
}

type RestoreCommonConfig struct {
	Online bool `json:"online" toml:"online"`

	// MergeSmallRegionSizeBytes is the threshold of merging small regions (Default 96MB, region split size).
	// MergeSmallRegionKeyCount is the threshold of merging smalle regions (Default 960_000, region split key count).
	// See https://github.com/tikv/tikv/blob/v4.0.8/components/raftstore/src/coprocessor/config.rs#L35-L38
	MergeSmallRegionSizeBytes uint64 `json:"merge-region-size-bytes" toml:"merge-region-size-bytes"`
	MergeSmallRegionKeyCount  uint64 `json:"merge-region-key-count" toml:"merge-region-key-count"`
}

type RestoreRawConfig struct {
	RawKvConfig
	RestoreCommonConfig
}