func newServerMetrics(reg *metric.Registry) *serverMetrics {
return &serverMetrics{
conns: reg.Counter(MetricConnsName),
bytesInCount: reg.Counter(MetricBytesInName),
bytesOutCount: reg.Counter(MetricBytesOutName),
}
}
func newServerMetrics(reg *metric.Registry) *serverMetrics {
return &serverMetrics{
conns: reg.Counter("conns"),
bytesInCount: reg.Counter("bytesin"),
bytesOutCount: reg.Counter("bytesout"),
}
}
// MakeServer creates a Server, adding network stats to the given Registry.
func MakeServer(context *base.Context, executor *sql.Executor, reg *metric.Registry) *Server {
return &Server{
context: context,
executor: executor,
registry: reg,
metrics: &serverMetrics{
conns: reg.Counter("conns"),
bytesInCount: reg.Counter("bytesin"),
bytesOutCount: reg.Counter("bytesout"),
},
}
}
// NewExecutor creates an Executor and registers a callback on the
// system config.
func NewExecutor(ctx ExecutorContext, stopper *stop.Stopper, registry *metric.Registry) *Executor {
exec := &Executor{
ctx: ctx,
reCache: parser.NewRegexpCache(512),
registry: registry,
latency: registry.Latency(MetricLatencyName),
txnBeginCount: registry.Counter(MetricTxnBeginName),
txnCommitCount: registry.Counter(MetricTxnCommitName),
txnAbortCount: registry.Counter(MetricTxnAbortName),
txnRollbackCount: registry.Counter(MetricTxnRollbackName),
selectCount: registry.Counter(MetricSelectName),
updateCount: registry.Counter(MetricUpdateName),
insertCount: registry.Counter(MetricInsertName),
deleteCount: registry.Counter(MetricDeleteName),
ddlCount: registry.Counter(MetricDdlName),
miscCount: registry.Counter(MetricMiscName),
queryCount: registry.Counter(MetricQueryName),
}
exec.systemConfigCond = sync.NewCond(exec.systemConfigMu.RLocker())
gossipUpdateC := ctx.Gossip.RegisterSystemConfigChannel()
stopper.RunWorker(func() {
for {
select {
case <-gossipUpdateC:
cfg, _ := ctx.Gossip.GetSystemConfig()
exec.updateSystemConfig(cfg)
case <-stopper.ShouldStop():
return
}
}
})
return exec
}
// NewExecutor creates an Executor and registers a callback on the
// system config.
func NewExecutor(ctx ExecutorContext, stopper *stop.Stopper, registry *metric.Registry) *Executor {
exec := &Executor{
ctx: ctx,
reCache: parser.NewRegexpCache(512),
registry: registry,
latency: registry.Latency("latency"),
txnBeginCount: registry.Counter("txn.begin.count"),
txnCommitCount: registry.Counter("txn.commit.count"),
txnAbortCount: registry.Counter("txn.abort.count"),
txnRollbackCount: registry.Counter("txn.rollback.count"),
selectCount: registry.Counter("select.count"),
updateCount: registry.Counter("update.count"),
insertCount: registry.Counter("insert.count"),
deleteCount: registry.Counter("delete.count"),
ddlCount: registry.Counter("ddl.count"),
miscCount: registry.Counter("misc.count"),
}
exec.systemConfigCond = sync.NewCond(exec.systemConfigMu.RLocker())
gossipUpdateC := ctx.Gossip.RegisterSystemConfigChannel()
stopper.RunWorker(func() {
for {
select {
case <-gossipUpdateC:
cfg, _ := ctx.Gossip.GetSystemConfig()
exec.updateSystemConfig(cfg)
case <-stopper.ShouldStop():
return
}
}
})
return exec
}