Example #1
0
func Init(serv SrvTopoServer, schema *planbuilder.Schema, cell string, retryDelay time.Duration, retryCount int, timeout time.Duration, maxInFlight int) {
	if RpcVTGate != nil {
		log.Fatalf("VTGate already initialized")
	}
	RpcVTGate = &VTGate{
		resolver:     NewResolver(serv, "VttabletCall", cell, retryDelay, retryCount, timeout),
		timings:      stats.NewMultiTimings("VtgateApi", []string{"Operation", "Keyspace", "DbType"}),
		rowsReturned: stats.NewMultiCounters("VtgateApiRowsReturned", []string{"Operation", "Keyspace", "DbType"}),

		maxInFlight: int64(maxInFlight),
		inFlight:    0,

		logExecuteShard:             logutil.NewThrottledLogger("ExecuteShard", 5*time.Second),
		logExecuteKeyspaceIds:       logutil.NewThrottledLogger("ExecuteKeyspaceIds", 5*time.Second),
		logExecuteKeyRanges:         logutil.NewThrottledLogger("ExecuteKeyRanges", 5*time.Second),
		logExecuteEntityIds:         logutil.NewThrottledLogger("ExecuteEntityIds", 5*time.Second),
		logExecuteBatchShard:        logutil.NewThrottledLogger("ExecuteBatchShard", 5*time.Second),
		logExecuteBatchKeyspaceIds:  logutil.NewThrottledLogger("ExecuteBatchKeyspaceIds", 5*time.Second),
		logStreamExecuteKeyspaceIds: logutil.NewThrottledLogger("StreamExecuteKeyspaceIds", 5*time.Second),
		logStreamExecuteKeyRanges:   logutil.NewThrottledLogger("StreamExecuteKeyRanges", 5*time.Second),
		logStreamExecuteShard:       logutil.NewThrottledLogger("StreamExecuteShard", 5*time.Second),
	}
	// Resuse resolver's scatterConn.
	RpcVTGate.router = NewRouter(serv, cell, schema, "VTGateRouter", RpcVTGate.resolver.scatterConn)
	normalErrors = stats.NewMultiCounters("VtgateApiErrorCounts", []string{"Operation", "Keyspace", "DbType"})
	infoErrors = stats.NewCounters("VtgateInfoErrorCounts")
	internalErrors = stats.NewCounters("VtgateInternalErrorCounts")

	QPSByOperation = stats.NewRates("QPSByOperation", stats.CounterForDimension(RpcVTGate.timings, "Operation"), 15, 1*time.Minute)
	QPSByKeyspace = stats.NewRates("QPSByKeyspace", stats.CounterForDimension(RpcVTGate.timings, "Keyspace"), 15, 1*time.Minute)
	QPSByDbType = stats.NewRates("QPSByDbType", stats.CounterForDimension(RpcVTGate.timings, "DbType"), 15, 1*time.Minute)

	ErrorsByOperation = stats.NewRates("ErrorsByOperation", stats.CounterForDimension(normalErrors, "Operation"), 15, 1*time.Minute)
	ErrorsByKeyspace = stats.NewRates("ErrorsByKeyspace", stats.CounterForDimension(normalErrors, "Keyspace"), 15, 1*time.Minute)
	ErrorsByDbType = stats.NewRates("ErrorsByDbType", stats.CounterForDimension(normalErrors, "DbType"), 15, 1*time.Minute)

	for _, f := range RegisterVTGates {
		f(RpcVTGate)
	}
}
Example #2
0
	log "github.com/golang/glog"
	"github.com/henryanand/vitess/go/mysql"
	"github.com/henryanand/vitess/go/tb"
	"github.com/henryanand/vitess/go/vt/logutil"
)

const (
	FAIL = iota
	RETRY
	FATAL
	TX_POOL_FULL
	NOT_IN_TX
)

var logTxPoolFull = logutil.NewThrottledLogger("TxPoolFull", 1*time.Minute)

type TabletError struct {
	ErrorType int
	Message   string
	SqlError  int
}

// This is how go-mysql exports its error number
type hasNumber interface {
	Number() int
}

func NewTabletError(errorType int, format string, args ...interface{}) *TabletError {
	return &TabletError{
		ErrorType: errorType,
Example #3
0
// NewQueryEngine creates a new QueryEngine.
// This is a singleton class.
// You must call this only once.
func NewQueryEngine(config Config) *QueryEngine {
	qe := &QueryEngine{}
	qe.schemaInfo = NewSchemaInfo(
		config.QueryCacheSize,
		time.Duration(config.SchemaReloadTime*1e9),
		time.Duration(config.IdleTimeout*1e9),
	)
	qe.queryRuleInfo = NewQueryRuleInfo()

	mysqlStats = stats.NewTimings("Mysql")

	// Pools
	qe.cachePool = NewCachePool(
		"Rowcache",
		config.RowCache,
		time.Duration(config.QueryTimeout*1e9),
		time.Duration(config.IdleTimeout*1e9),
	)
	qe.connPool = dbconnpool.NewConnectionPool(
		"ConnPool",
		config.PoolSize,
		time.Duration(config.IdleTimeout*1e9),
	)
	qe.streamConnPool = dbconnpool.NewConnectionPool(
		"StreamConnPool",
		config.StreamPoolSize,
		time.Duration(config.IdleTimeout*1e9),
	)

	// Services
	qe.txPool = NewTxPool(
		"TransactionPool",
		config.TransactionCap,
		time.Duration(config.TransactionTimeout*1e9),
		time.Duration(config.TxPoolTimeout*1e9),
		time.Duration(config.IdleTimeout*1e9),
	)
	qe.connKiller = NewConnectionKiller(1, time.Duration(config.IdleTimeout*1e9))
	qe.consolidator = NewConsolidator()
	qe.invalidator = NewRowcacheInvalidator(qe)
	qe.streamQList = NewQueryList(qe.connKiller)

	// Vars
	qe.queryTimeout.Set(time.Duration(config.QueryTimeout * 1e9))
	qe.spotCheckFreq = sync2.AtomicInt64(config.SpotCheckRatio * spotCheckMultiplier)
	if config.StrictMode {
		qe.strictMode.Set(1)
	}
	qe.strictTableAcl = config.StrictTableAcl
	qe.maxResultSize = sync2.AtomicInt64(config.MaxResultSize)
	qe.maxDMLRows = sync2.AtomicInt64(config.MaxDMLRows)
	qe.streamBufferSize = sync2.AtomicInt64(config.StreamBufferSize)

	// loggers
	qe.accessCheckerLogger = logutil.NewThrottledLogger("accessChecker", 1*time.Second)

	// Stats
	stats.Publish("MaxResultSize", stats.IntFunc(qe.maxResultSize.Get))
	stats.Publish("MaxDMLRows", stats.IntFunc(qe.maxDMLRows.Get))
	stats.Publish("StreamBufferSize", stats.IntFunc(qe.streamBufferSize.Get))
	stats.Publish("QueryTimeout", stats.DurationFunc(qe.queryTimeout.Get))
	queryStats = stats.NewTimings("Queries")
	QPSRates = stats.NewRates("QPS", queryStats, 15, 60*time.Second)
	waitStats = stats.NewTimings("Waits")
	killStats = stats.NewCounters("Kills")
	infoErrors = stats.NewCounters("InfoErrors")
	errorStats = stats.NewCounters("Errors")
	internalErrors = stats.NewCounters("InternalErrors")
	resultStats = stats.NewHistogram("Results", resultBuckets)
	stats.Publish("RowcacheSpotCheckRatio", stats.FloatFunc(func() float64 {
		return float64(qe.spotCheckFreq.Get()) / spotCheckMultiplier
	}))
	spotCheckCount = stats.NewInt("RowcacheSpotCheckCount")

	return qe
}