diff --git a/go/weed/master.go b/go/weed/master.go
index b5e9d96cc..430d99ad9 100644
--- a/go/weed/master.go
+++ b/go/weed/master.go
@@ -35,7 +35,7 @@ var (
 	mpulse                  = cmdMaster.Flag.Int("pulseSeconds", 5, "number of seconds between heartbeats")
 	confFile                = cmdMaster.Flag.String("conf", "/etc/weedfs/weedfs.conf", "xml configuration file")
 	defaultReplicaPlacement = cmdMaster.Flag.String("defaultReplication", "000", "Default replication type if not specified.")
-	mReadTimeout            = cmdMaster.Flag.Int("readTimeout", 3, "connection read timeout in seconds")
+	mReadTimeout            = cmdMaster.Flag.Int("readTimeout", 30, "connection read timeout in seconds")
 	mMaxCpu                 = cmdMaster.Flag.Int("maxCpu", 0, "maximum number of CPUs. 0 means all available CPUs")
 	garbageThreshold        = cmdMaster.Flag.String("garbageThreshold", "0.3", "threshold to vacuum and reclaim spaces")
 	masterWhiteListOption   = cmdMaster.Flag.String("whiteList", "", "comma separated Ip addresses having write permission. No limit if empty.")
diff --git a/go/weed/server.go b/go/weed/server.go
index 4cd800142..8b67275e5 100644
--- a/go/weed/server.go
+++ b/go/weed/server.go
@@ -37,7 +37,7 @@ var cmdServer = &Command{
 var (
 	serverIp                      = cmdServer.Flag.String("ip", "localhost", "ip or server name")
 	serverMaxCpu                  = cmdServer.Flag.Int("maxCpu", 0, "maximum number of CPUs. 0 means all available CPUs")
-	serverReadTimeout             = cmdServer.Flag.Int("readTimeout", 3, "connection read timeout in seconds. Increase this if uploading large files.")
+	serverReadTimeout             = cmdServer.Flag.Int("readTimeout", 30, "connection read timeout in seconds. Increase this if uploading large files.")
 	serverDataCenter              = cmdServer.Flag.String("dataCenter", "", "current volume server's data center name")
 	serverRack                    = cmdServer.Flag.String("rack", "", "current volume server's rack name")
 	serverWhiteListOption         = cmdServer.Flag.String("whiteList", "", "comma separated Ip addresses having write permission. No limit if empty.")
diff --git a/go/weed/volume.go b/go/weed/volume.go
index a70e769d0..dcc2c1097 100644
--- a/go/weed/volume.go
+++ b/go/weed/volume.go
@@ -32,7 +32,7 @@ var (
 	publicUrl             = cmdVolume.Flag.String("publicUrl", "", "Publicly accessible <ip|server_name>:<port>")
 	masterNode            = cmdVolume.Flag.String("mserver", "localhost:9333", "master server location")
 	vpulse                = cmdVolume.Flag.Int("pulseSeconds", 5, "number of seconds between heartbeats, must be smaller than or equal to the master's setting")
-	vReadTimeout          = cmdVolume.Flag.Int("readTimeout", 3, "connection read timeout in seconds. Increase this if uploading large files.")
+	vReadTimeout          = cmdVolume.Flag.Int("readTimeout", 30, "connection read timeout in seconds. Increase this if uploading large files.")
 	vMaxCpu               = cmdVolume.Flag.Int("maxCpu", 0, "maximum number of CPUs. 0 means all available CPUs")
 	dataCenter            = cmdVolume.Flag.String("dataCenter", "", "current volume server's data center name")
 	rack                  = cmdVolume.Flag.String("rack", "", "current volume server's rack name")