statistics: print the process of init stats

Signed-off-by: Weizhen Wang <[email protected]>

pkg/statistics/handle/initstats/load_stats_page.go

@@ -37,7 +37,7 @@ var (
 // NOTE: Do not create a new logger for each log, it will cause the sampler not work.
 // Because we need to record the log count with the same level and message in this specific logger.
 // Do not use it to log the message that is not related to statistics.
-func SingletonStatsSamplerLogger() *zap.Logger {
+func singletonStatsSamplerLogger() *zap.Logger {
 	init := func() {
 		if samplerLogger == nil {
 			// Create a new zapcore sampler with options
@@ -82,7 +82,7 @@ func NewRangeWorker(taskName string, dealFunc func(task Task) error, maxTid, ini
 		taskChan: make(chan Task, 1),
 		taskCnt:  taskCnt,
 	}
-	worker.logger = SingletonStatsSamplerLogger()
+	worker.logger = singletonStatsSamplerLogger()
 	return worker
 }