Do not forget to call `defer glog.Flush()` in our applications

perf/go/ingest/main.go

 package main
 
 // ingest is the command line tool for pulling performance data from Google
 // Storage and putting in Tiles. See the code in go/ingester for details on how
 // ingestion is done.
 
 import (
         "encoding/json"
         "flag"
         "net"
@@ skipping 125 matching lines @@
                 oneStep()
                 for _ = range time.Tick(every) {
                         oneStep()
                 }
         }
 }
 
 func main() {
         flag.Parse()
         flags.Log()
+        defer glog.Flush()
+
         Init()
 
         // Initialize the database. We might not need the oauth dialog if it fails.
         db.Init(db.ProdDatabaseConfig(*local))
 
         var client *http.Client
         var err error
         if *doOauth {
                 client, err = auth.RunFlow()
                 if err != nil {
@@ skipping 26 matching lines @@
                 glog.Infof("Process name: %s", name)
                 if process, ok := ingesters[name]; ok {
                         go process()
                 } else {
                         glog.Fatalf("Not a valid ingester name: %s", name)
                 }
         }
 
         select {}
 }