diff --git a/cluster.go b/cluster.go index e68e57926..0e59c1d6c 100644 --- a/cluster.go +++ b/cluster.go @@ -225,6 +225,20 @@ func (c *Cluster) PartitionNodes(partitionID int) []*Node { return nodes } +// OwnsSlices find the set of slices owned by the node per Index +func (c *Cluster) OwnsSlices(index string, maxSlice uint64, host string) []uint64 { + var slices []uint64 + for i := uint64(0); i <= maxSlice; i++ { + p := c.Partition(index, i) + // Determine primary owner node. + nodeIndex := c.Hasher.Hash(uint64(p), len(c.Nodes)) + if c.Nodes[nodeIndex].Host == host { + slices = append(slices, i) + } + } + return slices +} + // Hasher represents an interface to hash integers into buckets. type Hasher interface { // Hashes the key into a number between [0,N). diff --git a/cluster_test.go b/cluster_test.go index 4c96cd5d9..30b30133c 100644 --- a/cluster_test.go +++ b/cluster_test.go @@ -118,6 +118,16 @@ func TestCluster_NodeStates(t *testing.T) { } } +// Ensure OwnsSlices can find the actual slice list for node and index +func TestCluster_OwnsSlices(t *testing.T) { + c := NewCluster(5) + slices := c.OwnsSlices("test", 10, "host2") + + if !reflect.DeepEqual(slices, []uint64{1, 3, 10}) { + t.Fatalf("unexpected slices for node's index: %v", slices) + } +} + // NewCluster returns a cluster with n nodes and uses a mod-based hasher. func NewCluster(n int) *pilosa.Cluster { c := pilosa.NewCluster() diff --git a/index.go b/index.go index 29a1f46e0..7f3e4d182 100644 --- a/index.go +++ b/index.go @@ -531,7 +531,7 @@ func encodeIndex(d *Index) *internal.Index { ColumnLabel: d.columnLabel, TimeQuantum: string(d.timeQuantum), }, - MaxSlice: d.remoteMaxSlice, + MaxSlice: d.MaxSlice(), Frames: encodeFrames(d.Frames()), } } diff --git a/internal/private.pb.go b/internal/private.pb.go index a41df4788..05cda30ac 100644 --- a/internal/private.pb.go +++ b/internal/private.pb.go @@ -211,6 +211,7 @@ type Index struct { Meta *IndexMeta `protobuf:"bytes,2,opt,name=Meta" json:"Meta,omitempty"` MaxSlice uint64 `protobuf:"varint,3,opt,name=MaxSlice,proto3" json:"MaxSlice,omitempty"` Frames []*Frame `protobuf:"bytes,4,rep,name=Frames" json:"Frames,omitempty"` + Slices []uint64 `protobuf:"varint,5,rep,packed,name=Slices" json:"Slices,omitempty"` } func (m *Index) Reset() { *m = Index{} } @@ -795,6 +796,23 @@ func (m *Index) MarshalTo(dAtA []byte) (int, error) { i += n } } + if len(m.Slices) > 0 { + dAtA12 := make([]byte, len(m.Slices)*10) + var j11 int + for _, num := range m.Slices { + for num >= 1<<7 { + dAtA12[j11] = uint8(uint64(num)&0x7f | 0x80) + num >>= 7 + j11++ + } + dAtA12[j11] = uint8(num) + j11++ + } + dAtA[i] = 0x2a + i++ + i = encodeVarintPrivate(dAtA, i, uint64(j11)) + i += copy(dAtA[i:], dAtA12[:j11]) + } return i, nil } @@ -1119,6 +1137,13 @@ func (m *Index) Size() (n int) { n += 1 + l + sovPrivate(uint64(l)) } } + if len(m.Slices) > 0 { + l = 0 + for _, e := range m.Slices { + l += sovPrivate(uint64(e)) + } + n += 1 + sovPrivate(uint64(l)) + l + } return n } @@ -2938,6 +2963,68 @@ func (m *Index) Unmarshal(dAtA []byte) error { return err } iNdEx = postIndex + case 5: + if wireType == 2 { + var packedLen int + for shift := uint(0); ; shift += 7 { + if shift >= 64 { + return ErrIntOverflowPrivate + } + if iNdEx >= l { + return io.ErrUnexpectedEOF + } + b := dAtA[iNdEx] + iNdEx++ + packedLen |= (int(b) & 0x7F) << shift + if b < 0x80 { + break + } + } + if packedLen < 0 { + return ErrInvalidLengthPrivate + } + postIndex := iNdEx + packedLen + if postIndex > l { + return io.ErrUnexpectedEOF + } + for iNdEx < postIndex { + var v uint64 + for shift := uint(0); ; shift += 7 { + if shift >= 64 { + return ErrIntOverflowPrivate + } + if iNdEx >= l { + return io.ErrUnexpectedEOF + } + b := dAtA[iNdEx] + iNdEx++ + v |= (uint64(b) & 0x7F) << shift + if b < 0x80 { + break + } + } + m.Slices = append(m.Slices, v) + } + } else if wireType == 0 { + var v uint64 + for shift := uint(0); ; shift += 7 { + if shift >= 64 { + return ErrIntOverflowPrivate + } + if iNdEx >= l { + return io.ErrUnexpectedEOF + } + b := dAtA[iNdEx] + iNdEx++ + v |= (uint64(b) & 0x7F) << shift + if b < 0x80 { + break + } + } + m.Slices = append(m.Slices, v) + } else { + return fmt.Errorf("proto: wrong wireType = %d for field Slices", wireType) + } default: iNdEx = preIndex skippy, err := skipPrivate(dAtA[iNdEx:]) @@ -3287,44 +3374,45 @@ var ( func init() { proto.RegisterFile("private.proto", fileDescriptorPrivate) } var fileDescriptorPrivate = []byte{ - // 617 bytes of a gzipped FileDescriptorProto - 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x9c, 0x54, 0xc1, 0x6e, 0xd3, 0x40, + // 626 bytes of a gzipped FileDescriptorProto + 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x9c, 0x54, 0xc1, 0x6e, 0xd3, 0x40, 0x10, 0xc5, 0x89, 0x53, 0x9a, 0xa9, 0x5a, 0xda, 0xa5, 0x42, 0xa6, 0x42, 0x51, 0xb4, 0x07, 0x5a, - 0x7a, 0xe8, 0xa1, 0x5c, 0x10, 0x70, 0xa8, 0x9a, 0x04, 0x35, 0x12, 0x29, 0x62, 0x53, 0x71, 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0xfd, 0x6c, 0xdd, 0x3a, 0x5f, + 0xa2, 0xbf, 0xf8, 0xe3, 0x5f, 0x01, 0x00, 0x00, 0xff, 0xff, 0x3c, 0x08, 0xd4, 0xe9, 0xd6, 0x05, + 0x00, 0x00, } diff --git a/internal/private.proto b/internal/private.proto index b83683d51..81f1b1847 100644 --- a/internal/private.proto +++ b/internal/private.proto @@ -75,6 +75,7 @@ message Index { IndexMeta Meta = 2; uint64 MaxSlice = 3; repeated Frame Frames = 4; + repeated uint64 Slices = 5; } message NodeStatus { diff --git a/internal/public.pb.go b/internal/public.pb.go index 9eb005c17..75d79133f 100644 --- a/internal/public.pb.go +++ b/internal/public.pb.go @@ -2576,7 +2576,7 @@ func init() { proto.RegisterFile("public.proto", fileDescriptorPublic) } var fileDescriptorPublic = []byte{ // 576 bytes of a gzipped FileDescriptorProto - 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x8c, 0x54, 0x4b, 0x8e, 0xd3, 0x40, + 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x54, 0x4b, 0x8e, 0xd3, 0x40, 0x10, 0xa5, 0x63, 0xe7, 0x57, 0xf9, 0x28, 0x6a, 0xf1, 0xb1, 0x10, 0x8a, 0x2c, 0x8b, 0x85, 0x57, 0x19, 0x69, 0x38, 0x00, 0xc2, 0x49, 0x46, 0xb2, 0x10, 0x23, 0xa6, 0x33, 0xb0, 0xf7, 0xcc, 0xb4, 0x06, 0x4b, 0xfe, 0xd1, 0xdd, 0x16, 0xe4, 0x00, 0xec, 0x91, 0xd8, 0x70, 0x03, 0x38, 0x0a, 0x4b, diff --git a/server.go b/server.go index e616d1bd9..81bc4d9e2 100644 --- a/server.go +++ b/server.go @@ -289,11 +289,19 @@ func (s *Server) LocalStatus() (proto.Message, error) { if s.Holder == nil { return nil, errors.New("Server.Holder is nil") } - return &internal.NodeStatus{ + + ns := internal.NodeStatus{ Host: s.Host, State: NodeStateUp, Indexes: encodeIndexes(s.Holder.Indexes()), - }, nil + } + + // Append Slice list per this Node's indexes + for _, index := range ns.Indexes { + index.Slices = s.Cluster.OwnsSlices(index.Name, index.MaxSlice, s.Host) + } + + return &ns, nil } // ClusterStatus returns the NodeState for all nodes in the cluster.