func NewActiveTxPool(timeout time.Duration) *ActiveTxPool {
return &ActiveTxPool{
pool: pools.NewNumbered(),
lastId: time.Now().UnixNano(),
timeout: int64(timeout),
ticks: timer.NewTimer(timeout / 10),
txStats: stats.NewTimings("Transactions"),
}
}
func NewSqlQuery(poolSize, transactionCap int, transactionTimeout float64, maxResultSize, queryCacheSize int, schemaReloadTime, queryTimeout, idleTimeout float64) *SqlQuery {
self := &SqlQuery{}
self.schemaInfo = NewSchemaInfo(queryCacheSize, time.Duration(schemaReloadTime*1e9))
self.connPool = NewConnectionPool(poolSize, time.Duration(idleTimeout*1e9))
self.reservedPool = NewReservedPool()
self.txPool = NewConnectionPool(transactionCap, time.Duration(idleTimeout*1e9)) // connections in pool has to be > transactionCap
self.activeTxPool = NewActiveTxPool(time.Duration(transactionTimeout * 1e9))
self.activePool = NewActivePool(time.Duration(queryTimeout*1e9), time.Duration(idleTimeout*1e9))
self.consolidator = NewConsolidator()
self.maxResultSize = int32(maxResultSize)
expvar.Publish("Voltron", stats.StrFunc(func() string { return self.statsJSON() }))
queryStats = stats.NewTimings("Queries")
stats.NewRates("QPS", queryStats, 15, 60e9)
waitStats = stats.NewTimings("Waits")
killStats = stats.NewCounters("Kills")
errorStats = stats.NewCounters("Errors")
resultStats = stats.NewHistogram("Results", resultBuckets)
return self
}
func init() {
mysqlStats = stats.NewTimings("MySQL")
}