diff options
Diffstat (limited to 'weed/command/master_follower.go')
| -rw-r--r-- | weed/command/master_follower.go | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/weed/command/master_follower.go b/weed/command/master_follower.go index 502ce3cd3..f182d7ce4 100644 --- a/weed/command/master_follower.go +++ b/weed/command/master_follower.go @@ -3,17 +3,18 @@ package command import ( "context" "fmt" + "net/http" + "time" + "github.com/aws/aws-sdk-go/aws" "github.com/chrislusf/seaweedfs/weed/glog" "github.com/chrislusf/seaweedfs/weed/pb" "github.com/chrislusf/seaweedfs/weed/pb/master_pb" "github.com/chrislusf/seaweedfs/weed/security" - "github.com/chrislusf/seaweedfs/weed/server" + weed_server "github.com/chrislusf/seaweedfs/weed/server" "github.com/chrislusf/seaweedfs/weed/util" "github.com/gorilla/mux" "google.golang.org/grpc/reflection" - "net/http" - "time" ) var ( @@ -45,13 +46,13 @@ var cmdMasterFollower = &Command{ Short: "start a master follower", Long: `start a master follower to provide volume=>location mapping service - The master follower does not participate in master election. + The master follower does not participate in master election. It just follow the existing masters, and listen for any volume location changes. In most cases, the master follower is not needed. In big data centers with thousands of volume servers. In theory, the master may have trouble to keep up with the write requests and read requests. - The master follower can relieve the master from from read requests, which only needs to + The master follower can relieve the master from from read requests, which only needs to lookup a fileId or volumeId. The master follower currently can handle fileId lookup requests: @@ -112,7 +113,7 @@ func startMasterFollower(masterOptions MasterOptions) { option.IsFollower = true if *masterOptions.ipBind == "" { - *masterOptions.ipBind = "localhost" + *masterOptions.ipBind = *masterOptions.ip } r := mux.NewRouter() |