ec encode volumes quiet for a period of time

5 files changed, 133 insertions, 113 deletions

diff --git a/weed/pb/master.proto b/weed/pb/master.proto
index c4cd8dc45..ce5d07d76 100644
--- a/weed/pb/master.proto
+++ b/weed/pb/master.proto
@@ -66,6 +66,7 @@ message VolumeInformationMessage {
     uint32 version = 9;
     uint32 ttl = 10;
     uint32 compact_revision = 11;
+    int64 modified_at_second = 12;
 }
 
 message VolumeShortInformationMessage {
diff --git a/weed/pb/master_pb/master.pb.go b/weed/pb/master_pb/master.pb.go
index a2b8125e3..2b4561f8a 100644
--- a/weed/pb/master_pb/master.pb.go
+++ b/weed/pb/master_pb/master.pb.go
@@ -221,6 +221,7 @@ type VolumeInformationMessage struct {
 	Version          uint32 `protobuf:"varint,9,opt,name=version" json:"version,omitempty"`
 	Ttl              uint32 `protobuf:"varint,10,opt,name=ttl" json:"ttl,omitempty"`
 	CompactRevision  uint32 `protobuf:"varint,11,opt,name=compact_revision,json=compactRevision" json:"compact_revision,omitempty"`
+	ModifiedAtSecond int64  `protobuf:"varint,12,opt,name=modified_at_second,json=modifiedAtSecond" json:"modified_at_second,omitempty"`
 }
 
 func (m *VolumeInformationMessage) Reset()                    { *m = VolumeInformationMessage{} }
@@ -305,6 +306,13 @@ func (m *VolumeInformationMessage) GetCompactRevision() uint32 {
 	return 0
 }
 
+func (m *VolumeInformationMessage) GetModifiedAtSecond() int64 {
+	if m != nil {
+		return m.ModifiedAtSecond
+	}
+	return 0
+}
+
 type VolumeShortInformationMessage struct {
 	Id               uint32 `protobuf:"varint,1,opt,name=id" json:"id,omitempty"`
 	Collection       string `protobuf:"bytes,3,opt,name=collection" json:"collection,omitempty"`
@@ -1684,113 +1692,115 @@ var _Seaweed_serviceDesc = grpc.ServiceDesc{
 func init() { proto.RegisterFile("master.proto", fileDescriptor0) }
 
 var fileDescriptor0 = []byte{
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+	0x89, 0x0a, 0x08, 0xeb, 0xf5, 0x42, 0x81, 0x50, 0xcd, 0x97, 0x0a, 0x08, 0x1b, 0xb3, 0xbb, 0x02,
+	0xc2, 0xe6, 0x64, 0xf3, 0x6e, 0xcc, 0xb7, 0xe5, 0xdf, 0xe2, 0x4f, 0xfe, 0x1f, 0x00, 0x00, 0xff,
+	0xff, 0xbd, 0xf3, 0x4f, 0x44, 0x3d, 0x16, 0x00, 0x00,
 }
diff --git a/weed/shell/command_ec_encode.go b/weed/shell/command_ec_encode.go
index e69d1bfc7..7ecd7bb8c 100644
--- a/weed/shell/command_ec_encode.go
+++ b/weed/shell/command_ec_encode.go
@@ -7,6 +7,7 @@ import (
 	"io"
 	"sort"
 	"sync"
+	"time"
 
 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/operation"
@@ -54,6 +55,7 @@ func (c *commandEcEncode) Do(args []string, commandEnv *commandEnv, writer io.Wr
 	encodeCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
 	volumeId := encodeCommand.Int("volumeId", 0, "the volume id")
 	collection := encodeCommand.String("collection", "", "the collection name")
+	quietPeriod := encodeCommand.Duration("quietFor", time.Hour, "select volumes without no writes for this period")
 	if err = encodeCommand.Parse(args); err != nil {
 		return nil
 	}
@@ -67,7 +69,7 @@ func (c *commandEcEncode) Do(args []string, commandEnv *commandEnv, writer io.Wr
 	}
 
 	// apply to all volumes in the collection
-	volumeIds, err := collectVolumeByCollection(ctx, commandEnv, *collection)
+	volumeIds, err := collectVolumeForEcEncode(ctx, commandEnv, *collection, *quietPeriod)
 	if err != nil {
 		return err
 	}
@@ -347,7 +349,7 @@ func collectEcNodes(ctx context.Context, commandEnv *commandEnv) (ecNodes []*EcN
 	return
 }
 
-func collectVolumeByCollection(ctx context.Context, commandEnv *commandEnv, selectedCollection string) (vids []needle.VolumeId, err error) {
+func collectVolumeForEcEncode(ctx context.Context, commandEnv *commandEnv, selectedCollection string, quietPeriod time.Duration) (vids []needle.VolumeId, err error) {
 
 	var resp *master_pb.VolumeListResponse
 	err = commandEnv.masterClient.WithClient(ctx, func(client master_pb.SeaweedClient) error {
@@ -358,12 +360,15 @@ func collectVolumeByCollection(ctx context.Context, commandEnv *commandEnv, sele
 		return
 	}
 
+	quietSeconds := int64((quietPeriod * time.Second).Seconds())
+	nowUnixSeconds := time.Now().Unix()
+
 	vidMap := make(map[uint32]bool)
 	for _, dc := range resp.TopologyInfo.DataCenterInfos {
 		for _, r := range dc.RackInfos {
 			for _, dn := range r.DataNodeInfos {
 				for _, v := range dn.VolumeInfos {
-					if v.Collection == selectedCollection {
+					if v.Collection == selectedCollection && v.ModifiedAtSecond+quietSeconds < nowUnixSeconds {
 						vidMap[v.Id] = true
 					}
 				}
diff --git a/weed/storage/volume.go b/weed/storage/volume.go
index 61d982831..9e6f52a72 100644
--- a/weed/storage/volume.go
+++ b/weed/storage/volume.go
@@ -154,7 +154,7 @@ func (v *Volume) expiredLongEnough(maxDelayMinutes uint32) bool {
 }
 
 func (v *Volume) ToVolumeInformationMessage() *master_pb.VolumeInformationMessage {
-	size, _, _ := v.FileStat()
+	size, _, modTime := v.FileStat()
 	return &master_pb.VolumeInformationMessage{
 		Id:               uint32(v.Id),
 		Size:             size,
@@ -167,5 +167,6 @@ func (v *Volume) ToVolumeInformationMessage() *master_pb.VolumeInformationMessag
 		Version:          uint32(v.Version()),
 		Ttl:              v.Ttl.ToUint32(),
 		CompactRevision:  uint32(v.SuperBlock.CompactionRevision),
+		ModifiedAtSecond: modTime.Unix(),
 	}
 }
diff --git a/weed/storage/volume_info.go b/weed/storage/volume_info.go
index 2f6d1e8f9..111058b6e 100644
--- a/weed/storage/volume_info.go
+++ b/weed/storage/volume_info.go
@@ -20,6 +20,7 @@ type VolumeInfo struct {
 	DeletedByteCount uint64
 	ReadOnly         bool
 	CompactRevision  uint32
+	ModifiedAtSecond int64
 }
 
 func NewVolumeInfo(m *master_pb.VolumeInformationMessage) (vi VolumeInfo, err error) {
@@ -33,6 +34,7 @@ func NewVolumeInfo(m *master_pb.VolumeInformationMessage) (vi VolumeInfo, err er
 		ReadOnly:         m.ReadOnly,
 		Version:          needle.Version(m.Version),
 		CompactRevision:  m.CompactRevision,
+		ModifiedAtSecond: m.ModifiedAtSecond,
 	}
 	rp, e := NewReplicaPlacementFromByte(byte(m.ReplicaPlacement))
 	if e != nil {
@@ -76,6 +78,7 @@ func (vi VolumeInfo) ToVolumeInformationMessage() *master_pb.VolumeInformationMe
 		Version:          uint32(vi.Version),
 		Ttl:              vi.Ttl.ToUint32(),
 		CompactRevision:  vi.CompactRevision,
+		ModifiedAtSecond: vi.ModifiedAtSecond,
 	}
 }