Spread recalculate caches to all nodes. Fixes #1069

This commit is contained in:
Yuce Tekol 2018-02-12 04:12:35 +03:00
parent 6fa742ee36
commit c2d16f44e3
No known key found for this signature in database
GPG key ID: CB59E46D2FB90573
7 changed files with 234 additions and 80 deletions

View file

@ -137,6 +137,7 @@ const (
MessageTypeResizeInstructionComplete
MessageTypeSetCoordinator
MessageTypeNodeState
MessageTypeRecalculateCaches
)
// MarshalMessage encodes the protobuf message into a byte slice.
@ -171,6 +172,8 @@ func MarshalMessage(m proto.Message) ([]byte, error) {
typ = MessageTypeSetCoordinator
case *internal.NodeStateMessage:
typ = MessageTypeNodeState
case *internal.RecalculateCaches:
typ = MessageTypeRecalculateCaches
default:
return nil, fmt.Errorf("message type not implemented for marshalling: %s", reflect.TypeOf(obj))
}
@ -215,6 +218,8 @@ func UnmarshalMessage(buf []byte) (proto.Message, error) {
m = &internal.SetCoordinatorMessage{}
case MessageTypeNodeState:
m = &internal.NodeStateMessage{}
case MessageTypeRecalculateCaches:
m = &internal.RecalculateCaches{}
default:
return nil, fmt.Errorf("invalid message type: %d", typ)
}

View file

@ -2151,6 +2151,12 @@ func (h *Handler) InputJSONDataParser(req map[string]interface{}, index *Index,
}
func (h *Handler) handleRecalculateCaches(w http.ResponseWriter, r *http.Request) {
err := h.Broadcaster.SendSync(&internal.RecalculateCaches{})
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
h.writeQueryResponse(w, r, &QueryResponse{Err: err})
return
}
h.Holder.RecalculateCaches()
w.WriteHeader(http.StatusNoContent)
}

View file

@ -42,6 +42,7 @@
ResizeInstructionComplete
SetCoordinatorMessage
Topology
RecalculateCaches
*/
package internal
@ -1068,6 +1069,14 @@ func (m *Topology) GetNodeIDs() []string {
return nil
}
type RecalculateCaches struct {
}
func (m *RecalculateCaches) Reset() { *m = RecalculateCaches{} }
func (m *RecalculateCaches) String() string { return proto.CompactTextString(m) }
func (*RecalculateCaches) ProtoMessage() {}
func (*RecalculateCaches) Descriptor() ([]byte, []int) { return fileDescriptorPrivate, []int{33} }
func init() {
proto.RegisterType((*IndexMeta)(nil), "internal.IndexMeta")
proto.RegisterType((*FrameMeta)(nil), "internal.FrameMeta")
@ -1102,6 +1111,7 @@ func init() {
proto.RegisterType((*ResizeInstructionComplete)(nil), "internal.ResizeInstructionComplete")
proto.RegisterType((*SetCoordinatorMessage)(nil), "internal.SetCoordinatorMessage")
proto.RegisterType((*Topology)(nil), "internal.Topology")
proto.RegisterType((*RecalculateCaches)(nil), "internal.RecalculateCaches")
}
func (m *IndexMeta) Marshal() (dAtA []byte, err error) {
size := m.Size()
@ -2449,6 +2459,24 @@ func (m *Topology) MarshalTo(dAtA []byte) (int, error) {
return i, nil
}
func (m *RecalculateCaches) Marshal() (dAtA []byte, err error) {
size := m.Size()
dAtA = make([]byte, size)
n, err := m.MarshalTo(dAtA)
if err != nil {
return nil, err
}
return dAtA[:n], nil
}
func (m *RecalculateCaches) MarshalTo(dAtA []byte) (int, error) {
var i int
_ = i
var l int
_ = l
return i, nil
}
func encodeFixed64Private(dAtA []byte, offset int, v uint64) int {
dAtA[offset] = uint8(v)
dAtA[offset+1] = uint8(v >> 8)
@ -3070,6 +3098,12 @@ func (m *Topology) Size() (n int) {
return n
}
func (m *RecalculateCaches) Size() (n int) {
var l int
_ = l
return n
}
func sovPrivate(x uint64) (n int) {
for {
n++
@ -7663,6 +7697,56 @@ func (m *Topology) Unmarshal(dAtA []byte) error {
}
return nil
}
func (m *RecalculateCaches) Unmarshal(dAtA []byte) error {
l := len(dAtA)
iNdEx := 0
for iNdEx < l {
preIndex := iNdEx
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowPrivate
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
fieldNum := int32(wire >> 3)
wireType := int(wire & 0x7)
if wireType == 4 {
return fmt.Errorf("proto: RecalculateCaches: wiretype end group for non-group")
}
if fieldNum <= 0 {
return fmt.Errorf("proto: RecalculateCaches: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
default:
iNdEx = preIndex
skippy, err := skipPrivate(dAtA[iNdEx:])
if err != nil {
return err
}
if skippy < 0 {
return ErrInvalidLengthPrivate
}
if (iNdEx + skippy) > l {
return io.ErrUnexpectedEOF
}
iNdEx += skippy
}
}
if iNdEx > l {
return io.ErrUnexpectedEOF
}
return nil
}
func skipPrivate(dAtA []byte) (n int, err error) {
l := len(dAtA)
iNdEx := 0
@ -7771,84 +7855,84 @@ var (
func init() { proto.RegisterFile("private.proto", fileDescriptorPrivate) }
var fileDescriptorPrivate = []byte{
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}

View file

@ -194,3 +194,4 @@ message Topology {
repeated string NodeIDs = 2;
}
message RecalculateCaches {}

View file

@ -448,6 +448,8 @@ func (s *Server) ReceiveMessage(pb proto.Message) error {
if err != nil {
return err
}
case *internal.RecalculateCaches:
s.Holder.RecalculateCaches()
}
return nil

View file

@ -23,6 +23,7 @@ import (
"reflect"
"runtime"
"sort"
"strings"
"testing"
"testing/quick"
@ -383,6 +384,47 @@ func TestCountOpenFiles(t *testing.T) {
}
}
func TestMain_RecalculateHashes(t *testing.T) {
const clusterSize = 5
cluster := test.MustRunMainWithCluster(t, clusterSize)
// Create the schema.
client0 := cluster[0].Client()
if err := client0.CreateIndex(context.Background(), "i", pilosa.IndexOptions{}); err != nil && err != pilosa.ErrIndexExists {
t.Fatal("create index:", err)
}
if err := client0.CreateFrame(context.Background(), "i", "f", pilosa.FrameOptions{CacheType: "ranked"}); err != nil {
t.Fatal("create frame:", err)
}
// Set some bits
data := []string{}
for rowID := 1; rowID < 10; rowID++ {
for columnID := 1; columnID < 100; columnID++ {
data = append(data, fmt.Sprintf(`SetBit(rowID=%d, frame="f", columnID=%d)`, rowID, columnID))
}
}
if _, err := cluster[0].Query("i", "", strings.Join(data, "")); err != nil {
t.Fatal("setting bits:", err)
}
// Calculate caches on the first node
cluster[0].RecalculateCaches()
target := `{"results":[[{"id":7,"count":99},{"id":1,"count":99},{"id":9,"count":99},{"id":5,"count":99},{"id":4,"count":99},{"id":8,"count":99},{"id":2,"count":99},{"id":6,"count":99},{"id":3,"count":99}]]}`
// Run a TopN query on all nodes. The result should be the same as the target.
for _, m := range cluster {
res, err := m.Query("i", "", `TopN(frame="f")`)
if err != nil {
t.Fatal(err)
}
res = strings.TrimSpace(res)
if sortedString(target) != sortedString(res) {
t.Fatalf("%v != %v", target, res)
}
}
}
// SetCommand represents a command to set a bit.
type SetCommand struct {
ID uint64
@ -448,6 +490,12 @@ func MustMarshalJSON(v interface{}) string {
return string(buf)
}
func sortedString(s string) string {
arr := strings.Split(s, "")
sort.Strings(arr)
return strings.Join(arr, "")
}
// uint64Slice represents a sortable slice of uint64 numbers.
type uint64Slice []uint64

View file

@ -227,6 +227,14 @@ func (m *Main) CreateDefinition(index, def, query string) (string, error) {
return resp.Body, nil
}
func (m *Main) RecalculateCaches() error {
resp := MustDo("POST", fmt.Sprintf("%s/recalculate-caches", m.URL()), "")
if resp.StatusCode != 204 {
return fmt.Errorf("invalid status: %d, body=%s", resp.StatusCode, resp.Body)
}
return nil
}
////////////////////////////////////////////////////////////////////////////////////
// MustDo executes http.Do() with an http.NewRequest(). Panic on error.