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Published: Jan 3, 2019 License: Apache-2.0 Imports: 8 Imported by: 0




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const (
	OOMActionCancel = "cancel"
	OOMActionLog    = "log"

The following constants represents the valid action configurations for OOMAction. NOTE: Althrough the values is case insensitiv, we should use lower-case strings because the configuration value will be transformed to lower-case string and compared with these constants in the further usage.

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const (
	MaxLogFileSize = 4096 // MB

Config number limitations


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var (
	ValidStorage = map[string]bool{
		"mocktikv": true,
		"tikv":     true,

Valid config maps


This section is empty.


type Binlog

type Binlog struct {
	BinlogSocket string `toml:"binlog-socket" json:"binlog-socket"`
	WriteTimeout string `toml:"write-timeout" json:"write-timeout"`
	// If IgnoreError is true, when writting binlog meets error, TiDB would
	// ignore the error.
	IgnoreError bool `toml:"ignore-error" json:"ignore-error"`

Binlog is the config for binlog.

type Config

type Config struct {
	Host            string `toml:"host" json:"host"`
	Port            uint   `toml:"port" json:"port"`
	Store           string `toml:"store" json:"store"`
	Path            string `toml:"path" json:"path"`
	Socket          string `toml:"socket" json:"socket"`
	Lease           string `toml:"lease" json:"lease"`
	RunDDL          bool   `toml:"run-ddl" json:"run-ddl"`
	SplitTable      bool   `toml:"split-table" json:"split-table"`
	TokenLimit      uint   `toml:"token-limit" json:"token-limit"`
	OOMAction       string `toml:"oom-action" json:"oom-action"`
	MemQuotaQuery   int64  `toml:"mem-quota-query" json:"mem-quota-query"`
	EnableStreaming bool   `toml:"enable-streaming" json:"enable-streaming"`
	// Set sys variable lower-case-table-names, ref:
	// TODO: We actually only support mode 2, which keeps the original case, but the comparison is case-insensitive.
	LowerCaseTableNames int `toml:"lower-case-table-names" json:"lower-case-table-names"`

	Log               Log               `toml:"log" json:"log"`
	Security          Security          `toml:"security" json:"security"`
	Status            Status            `toml:"status" json:"status"`
	Performance       Performance       `toml:"performance" json:"performance"`
	XProtocol         XProtocol         `toml:"xprotocol" json:"xprotocol"`
	PlanCache         PlanCache         `toml:"plan-cache" json:"plan-cache"`
	PreparedPlanCache PreparedPlanCache `toml:"prepared-plan-cache" json:"prepared-plan-cache"`
	OpenTracing       OpenTracing       `toml:"opentracing" json:"opentracing"`
	ProxyProtocol     ProxyProtocol     `toml:"proxy-protocol" json:"proxy-protocol"`
	TiKVClient        TiKVClient        `toml:"tikv-client" json:"tikv-client"`
	Binlog            Binlog            `toml:"binlog" json:"binlog"`

Config contains configuration options.

func GetGlobalConfig

func GetGlobalConfig() *Config

GetGlobalConfig returns the global configuration for this server. It should store configuration from command line and configuration file. Other parts of the system can read the global configuration use this function.

func NewConfig

func NewConfig() *Config

NewConfig creates a new config instance with default value.

func (*Config) Load

func (c *Config) Load(confFile string) error

Load loads config options from a toml file.

type Log

type Log struct {
	// Log level.
	Level string `toml:"level" json:"level"`
	// Log format. one of json, text, or console.
	Format string `toml:"format" json:"format"`
	// Disable automatic timestamps in output.
	DisableTimestamp bool `toml:"disable-timestamp" json:"disable-timestamp"`
	// File log config.
	File logutil.FileLogConfig `toml:"file" json:"file"`

	SlowQueryFile      string `toml:"slow-query-file" json:"slow-query-file"`
	SlowThreshold      uint64 `toml:"slow-threshold" json:"slow-threshold"`
	ExpensiveThreshold uint   `toml:"expensive-threshold" json:"expensive-threshold"`
	QueryLogMaxLen     uint   `toml:"query-log-max-len" json:"query-log-max-len"`

Log is the log section of config.

func (*Log) ToLogConfig

func (l *Log) ToLogConfig() *logutil.LogConfig

ToLogConfig converts *Log to *logutil.LogConfig.

type OpenTracing

type OpenTracing struct {
	Enable     bool                `toml:"enable" json:"enbale"`
	Sampler    OpenTracingSampler  `toml:"sampler" json:"sampler"`
	Reporter   OpenTracingReporter `toml:"reporter" json:"reporter"`
	RPCMetrics bool                `toml:"rpc-metrics" json:"rpc-metrics"`

OpenTracing is the opentracing section of the config.

func (*OpenTracing) ToTracingConfig

func (t *OpenTracing) ToTracingConfig() *tracing.Configuration

ToTracingConfig converts *OpenTracing to *tracing.Configuration.

type OpenTracingReporter

type OpenTracingReporter struct {
	QueueSize           int           `toml:"queue-size" json:"queue-size"`
	BufferFlushInterval time.Duration `toml:"buffer-flush-interval" json:"buffer-flush-interval"`
	LogSpans            bool          `toml:"log-spans" json:"log-spans"`
	LocalAgentHostPort  string        `toml:"local-agent-host-port" json:"local-agent-host-port"`

OpenTracingReporter is the config for opentracing reporter. See

type OpenTracingSampler

type OpenTracingSampler struct {
	Type                    string        `toml:"type" json:"type"`
	Param                   float64       `toml:"param" json:"param"`
	SamplingServerURL       string        `toml:"sampling-server-url" json:"sampling-server-url"`
	MaxOperations           int           `toml:"max-operations" json:"max-operations"`
	SamplingRefreshInterval time.Duration `toml:"sampling-refresh-interval" json:"sampling-refresh-interval"`

OpenTracingSampler is the config for opentracing sampler. See

type Performance

type Performance struct {
	MaxProcs            uint    `toml:"max-procs" json:"max-procs"`
	TCPKeepAlive        bool    `toml:"tcp-keep-alive" json:"tcp-keep-alive"`
	RetryLimit          uint    `toml:"retry-limit" json:"retry-limit"`
	CrossJoin           bool    `toml:"cross-join" json:"cross-join"`
	StatsLease          string  `toml:"stats-lease" json:"stats-lease"`
	RunAutoAnalyze      bool    `toml:"run-auto-analyze" json:"run-auto-analyze"`
	StmtCountLimit      uint    `toml:"stmt-count-limit" json:"stmt-count-limit"`
	FeedbackProbability float64 `toml:"feedback-probability" json:"feedback-probability"`
	QueryFeedbackLimit  uint    `toml:"query-feedback-limit" json:"query-feedback-limit"`
	PseudoEstimateRatio float64 `toml:"pseudo-estimate-ratio" json:"pseudo-estimate-ratio"`

Performance is the performance section of the config.

type PlanCache

type PlanCache struct {
	Enabled  bool `toml:"enabled" json:"enabled"`
	Capacity uint `toml:"capacity" json:"capacity"`
	Shards   uint `toml:"shards" json:"shards"`

PlanCache is the PlanCache section of the config.

type PreparedPlanCache

type PreparedPlanCache struct {
	Enabled  bool `toml:"enabled" json:"enabled"`
	Capacity uint `toml:"capacity" json:"capacity"`

PreparedPlanCache is the PreparedPlanCache section of the config.

type ProxyProtocol

type ProxyProtocol struct {
	// PROXY protocol acceptable client networks.
	// Empty string means disable PROXY protocol,
	// * means all networks.
	Networks string `toml:"networks" json:"networks"`
	// PROXY protocol header read timeout, Unit is second.
	HeaderTimeout uint `toml:"header-timeout" json:"header-timeout"`

ProxyProtocol is the PROXY protocol section of the config.

type Security

type Security struct {
	SkipGrantTable bool   `toml:"skip-grant-table" json:"skip-grant-table"`
	SSLCA          string `toml:"ssl-ca" json:"ssl-ca"`
	SSLCert        string `toml:"ssl-cert" json:"ssl-cert"`
	SSLKey         string `toml:"ssl-key" json:"ssl-key"`
	ClusterSSLCA   string `toml:"cluster-ssl-ca" json:"cluster-ssl-ca"`
	ClusterSSLCert string `toml:"cluster-ssl-cert" json:"cluster-ssl-cert"`
	ClusterSSLKey  string `toml:"cluster-ssl-key" json:"cluster-ssl-key"`

Security is the security section of the config.

func (*Security) ToTLSConfig

func (s *Security) ToTLSConfig() (*tls.Config, error)

ToTLSConfig generates tls's config based on security section of the config.

type Status

type Status struct {
	ReportStatus    bool   `toml:"report-status" json:"report-status"`
	StatusPort      uint   `toml:"status-port" json:"status-port"`
	MetricsAddr     string `toml:"metrics-addr" json:"metrics-addr"`
	MetricsInterval uint   `toml:"metrics-interval" json:"metrics-interval"`

Status is the status section of the config.

type TiKVClient

type TiKVClient struct {
	// GrpcConnectionCount is the max gRPC connections that will be established
	// with each tikv-server.
	GrpcConnectionCount uint `toml:"grpc-connection-count" json:"grpc-connection-count"`
	// After a duration of this time in seconds if the client doesn't see any activity it pings
	// the server to see if the transport is still alive.
	GrpcKeepAliveTime uint `toml:"grpc-keepalive-time" json:"grpc-keepalive-time"`
	// After having pinged for keepalive check, the client waits for a duration of Timeout in seconds
	// and if no activity is seen even after that the connection is closed.
	GrpcKeepAliveTimeout uint `toml:"grpc-keepalive-timeout" json:"grpc-keepalive-timeout"`
	// CommitTimeout is the max time which command 'commit' will wait.
	CommitTimeout string `toml:"commit-timeout" json:"commit-timeout"`
	// MaxTxnTimeUse is the max time a Txn may use (in seconds) from its startTS to commitTS.
	MaxTxnTimeUse uint `toml:"max-txn-time-use" json:"max-txn-time-use"`

TiKVClient is the config for tikv client.

type XProtocol

type XProtocol struct {
	XServer bool   `toml:"xserver" json:"xserver"`
	XHost   string `toml:"xhost" json:"xhost"`
	XPort   uint   `toml:"xport" json:"xport"`
	XSocket string `toml:"xsocket" json:"xsocket"`

XProtocol is the XProtocol section of the config.

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