Merge branch 'master' into add_remote_storage

1 files changed, 8 insertions, 0 deletions

diff --git a/weed/command/filer.go b/weed/command/filer.go
index a723b4d8a..4fd2f9c72 100644
--- a/weed/command/filer.go
+++ b/weed/command/filer.go
@@ -3,6 +3,7 @@ package command
 import (
 	"fmt"
 	"net/http"
+	_ "net/http/pprof"
 	"os"
 	"strconv"
 	"strings"
@@ -50,6 +51,8 @@ type FilerOptions struct {
 	saveToFilerLimit        *int
 	defaultLevelDbDirectory *string
 	concurrentUploadLimitMB *int
+	debug                   *bool
+	debugPort               *int
 }
 
 func init() {
@@ -73,6 +76,8 @@ func init() {
 	f.saveToFilerLimit = cmdFiler.Flag.Int("saveToFilerLimit", 0, "files smaller than this limit will be saved in filer store")
 	f.defaultLevelDbDirectory = cmdFiler.Flag.String("defaultStoreDir", ".", "if filer.toml is empty, use an embedded filer store in the directory")
 	f.concurrentUploadLimitMB = cmdFiler.Flag.Int("concurrentUploadLimitMB", 128, "limit total concurrent upload size")
+	f.debug = cmdFiler.Flag.Bool("debug", false, "serves runtime profiling data, e.g., http://localhost:<debug.port>/debug/pprof/goroutine?debug=2")
+	f.debugPort = cmdFiler.Flag.Int("debug.port", 6060, "http port for debugging")
 
 	// start s3 on filer
 	filerStartS3 = cmdFiler.Flag.Bool("s3", false, "whether to start S3 gateway")
@@ -122,6 +127,9 @@ var cmdFiler = &Command{
 }
 
 func runFiler(cmd *Command, args []string) bool {
+	if *f.debug {
+		go http.ListenAndServe(fmt.Sprintf(":%d", *f.debugPort), nil)
+	}
 
 	util.LoadConfiguration("security", false)