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[#1005] engine: Drop shards weights

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Unused.

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
This commit is contained in:
Dmitrii Stepanov 2024-02-26 11:19:52 +03:00
parent abea258b65
commit 2ad433dbcb
8 changed files with 65 additions and 77 deletions
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63
pkg/local_object_storage/engine/evacuate.go
View file

@ -221,7 +221,7 @@ func (e *StorageEngine) Evacuate(ctx context.Context, prm EvacuateShardPrm) (*Ev
))
defer span.End()
shards, weights, err := e.getActualShards(shardIDs, prm)
shards, err := e.getActualShards(shardIDs, prm)
if err != nil {
return nil, err
}
@ -243,7 +243,7 @@ func (e *StorageEngine) Evacuate(ctx context.Context, prm EvacuateShardPrm) (*Ev
}
eg.Go(func() error {
return e.evacuateShards(egCtx, shardIDs, prm, res, shards, weights, shardsToEvacuate)
return e.evacuateShards(egCtx, shardIDs, prm, res, shards, shardsToEvacuate)
})
if prm.Async {
@ -261,7 +261,7 @@ func ctxOrBackground(ctx context.Context, background bool) context.Context {
}
func (e *StorageEngine) evacuateShards(ctx context.Context, shardIDs []string, prm EvacuateShardPrm, res *EvacuateShardRes,
shards []pooledShard, weights []float64, shardsToEvacuate map[string]*shard.Shard,
shards []pooledShard, shardsToEvacuate map[string]*shard.Shard,
) error {
var err error
ctx, span := tracing.StartSpanFromContext(ctx, "StorageEngine.evacuateShards",
@ -288,7 +288,7 @@ func (e *StorageEngine) evacuateShards(ctx context.Context, shardIDs []string, p
}
for _, shardID := range shardIDs {
if err = e.evacuateShard(ctx, shardID, prm, res, shards, weights, shardsToEvacuate); err != nil {
if err = e.evacuateShard(ctx, shardID, prm, res, shards, shardsToEvacuate); err != nil {
e.log.Error(logs.EngineFinishedWithErrorShardsEvacuation, zap.Error(err), zap.Strings("shard_ids", shardIDs), evacuationOperationLogField,
zap.String("trace_id", tracingPkg.GetTraceID(ctx)), zap.Stringer("scope", prm.Scope))
return err
@ -336,7 +336,7 @@ func (e *StorageEngine) getTotals(ctx context.Context, prm EvacuateShardPrm, sha
}
func (e *StorageEngine) evacuateShard(ctx context.Context, shardID string, prm EvacuateShardPrm, res *EvacuateShardRes,
shards []pooledShard, weights []float64, shardsToEvacuate map[string]*shard.Shard,
shards []pooledShard, shardsToEvacuate map[string]*shard.Shard,
) error {
ctx, span := tracing.StartSpanFromContext(ctx, "StorageEngine.evacuateShard",
trace.WithAttributes(
@ -345,13 +345,13 @@ func (e *StorageEngine) evacuateShard(ctx context.Context, shardID string, prm E
defer span.End()
if prm.Scope.WithObjects() {
if err := e.evacuateShardObjects(ctx, shardID, prm, res, shards, weights, shardsToEvacuate); err != nil {
if err := e.evacuateShardObjects(ctx, shardID, prm, res, shards, shardsToEvacuate); err != nil {
return err
}
}
if prm.Scope.WithTrees() && shardsToEvacuate[shardID].PiloramaEnabled() {
if err := e.evacuateShardTrees(ctx, shardID, prm, res, shards, weights, shardsToEvacuate); err != nil {
if err := e.evacuateShardTrees(ctx, shardID, prm, res, shards, shardsToEvacuate); err != nil {
return err
}
}
@ -360,7 +360,7 @@ func (e *StorageEngine) evacuateShard(ctx context.Context, shardID string, prm E
}
func (e *StorageEngine) evacuateShardObjects(ctx context.Context, shardID string, prm EvacuateShardPrm, res *EvacuateShardRes,
shards []pooledShard, weights []float64, shardsToEvacuate map[string]*shard.Shard,
shards []pooledShard, shardsToEvacuate map[string]*shard.Shard,
) error {
var listPrm shard.ListWithCursorPrm
listPrm.WithCount(defaultEvacuateBatchSize)
@ -383,7 +383,7 @@ func (e *StorageEngine) evacuateShardObjects(ctx context.Context, shardID string
return err
}
if err = e.evacuateObjects(ctx, sh, listRes.AddressList(), prm, res, shards, weights, shardsToEvacuate); err != nil {
if err = e.evacuateObjects(ctx, sh, listRes.AddressList(), prm, res, shards, shardsToEvacuate); err != nil {
return err
}
@ -393,7 +393,7 @@ func (e *StorageEngine) evacuateShardObjects(ctx context.Context, shardID string
}
func (e *StorageEngine) evacuateShardTrees(ctx context.Context, shardID string, prm EvacuateShardPrm, res *EvacuateShardRes,
shards []pooledShard, weights []float64, shardsToEvacuate map[string]*shard.Shard,
shards []pooledShard, shardsToEvacuate map[string]*shard.Shard,
) error {
sh := shardsToEvacuate[shardID]
@ -414,7 +414,7 @@ func (e *StorageEngine) evacuateShardTrees(ctx context.Context, shardID string,
return err
}
listPrm.NextPageToken = listRes.NextPageToken
if err := e.evacuateTrees(ctx, sh, listRes.Items, prm, res, shards, weights, shardsToEvacuate); err != nil {
if err := e.evacuateTrees(ctx, sh, listRes.Items, prm, res, shards, shardsToEvacuate); err != nil {
return err
}
}
@ -422,8 +422,7 @@ func (e *StorageEngine) evacuateShardTrees(ctx context.Context, shardID string,
}
func (e *StorageEngine) evacuateTrees(ctx context.Context, sh *shard.Shard, trees []pilorama.ContainerIDTreeID,
prm EvacuateShardPrm, res *EvacuateShardRes, shards []pooledShard, weights []float64,
shardsToEvacuate map[string]*shard.Shard,
prm EvacuateShardPrm, res *EvacuateShardRes, shards []pooledShard, shardsToEvacuate map[string]*shard.Shard,
) error {
ctx, span := tracing.StartSpanFromContext(ctx, "StorageEngine.evacuateTrees",
trace.WithAttributes(
@ -438,7 +437,7 @@ func (e *StorageEngine) evacuateTrees(ctx context.Context, sh *shard.Shard, tree
default:
}
success, shardID, err := e.tryEvacuateTreeLocal(ctx, sh, contTree, prm, shards, weights, shardsToEvacuate)
success, shardID, err := e.tryEvacuateTreeLocal(ctx, sh, contTree, prm, shards, shardsToEvacuate)
if err != nil {
return err
}
@ -477,9 +476,9 @@ func (e *StorageEngine) evacuateTreeToOtherNode(ctx context.Context, sh *shard.S
}
func (e *StorageEngine) tryEvacuateTreeLocal(ctx context.Context, sh *shard.Shard, tree pilorama.ContainerIDTreeID,
prm EvacuateShardPrm, shards []pooledShard, weights []float64, shardsToEvacuate map[string]*shard.Shard,
prm EvacuateShardPrm, shards []pooledShard, shardsToEvacuate map[string]*shard.Shard,
) (bool, string, error) {
target, found, err := e.findShardToEvacuateTree(ctx, tree, shards, weights, shardsToEvacuate)
target, found, err := e.findShardToEvacuateTree(ctx, tree, shards, shardsToEvacuate)
if err != nil {
return false, "", err
}
@ -547,9 +546,9 @@ func (e *StorageEngine) tryEvacuateTreeLocal(ctx context.Context, sh *shard.Shar
// findShardToEvacuateTree returns first shard according HRW or first shard with tree exists.
func (e *StorageEngine) findShardToEvacuateTree(ctx context.Context, tree pilorama.ContainerIDTreeID,
shards []pooledShard, weights []float64, shardsToEvacuate map[string]*shard.Shard,
shards []pooledShard, shardsToEvacuate map[string]*shard.Shard,
) (pooledShard, bool, error) {
hrw.SortHasherSliceByWeightValue(shards, weights, hrw.StringHash(tree.CID.EncodeToString()))
hrw.SortHasherSliceByValue(shards, hrw.StringHash(tree.CID.EncodeToString()))
var result pooledShard
var found bool
for _, target := range shards {
@ -583,31 +582,31 @@ func (e *StorageEngine) findShardToEvacuateTree(ctx context.Context, tree pilora
return result, found, nil
}
func (e *StorageEngine) getActualShards(shardIDs []string, prm EvacuateShardPrm) ([]pooledShard, []float64, error) {
func (e *StorageEngine) getActualShards(shardIDs []string, prm EvacuateShardPrm) ([]pooledShard, error) {
e.mtx.RLock()
defer e.mtx.RUnlock()
for i := range shardIDs {
sh, ok := e.shards[shardIDs[i]]
if !ok {
return nil, nil, errShardNotFound
return nil, errShardNotFound
}
if !sh.GetMode().ReadOnly() {
return nil, nil, ErrMustBeReadOnly
return nil, ErrMustBeReadOnly
}
if prm.Scope.TreesOnly() && !sh.PiloramaEnabled() {
return nil, nil, fmt.Errorf("shard %s doesn't have pilorama enabled", sh.ID())
return nil, fmt.Errorf("shard %s doesn't have pilorama enabled", sh.ID())
}
}
if len(e.shards)-len(shardIDs) < 1 && prm.ObjectsHandler == nil && prm.Scope.WithObjects() {
return nil, nil, errMustHaveTwoShards
return nil, errMustHaveTwoShards
}
if len(e.shards)-len(shardIDs) < 1 && prm.TreeHandler == nil && prm.Scope.WithTrees() {
return nil, nil, errMustHaveTwoShards
return nil, errMustHaveTwoShards
}
// We must have all shards, to have correct information about their
@ -620,17 +619,11 @@ func (e *StorageEngine) getActualShards(shardIDs []string, prm EvacuateShardPrm)
pool: e.shardPools[id],
})
}
weights := make([]float64, 0, len(shards))
for i := range shards {
weights = append(weights, e.shardWeight(shards[i].Shard))
}
return shards, weights, nil
return shards, nil
}
func (e *StorageEngine) evacuateObjects(ctx context.Context, sh *shard.Shard, toEvacuate []object.AddressWithType, prm EvacuateShardPrm, res *EvacuateShardRes,
shards []pooledShard, weights []float64, shardsToEvacuate map[string]*shard.Shard,
shards []pooledShard, shardsToEvacuate map[string]*shard.Shard,
) error {
ctx, span := tracing.StartSpanFromContext(ctx, "StorageEngine.evacuateObjects",
trace.WithAttributes(
@ -660,7 +653,7 @@ func (e *StorageEngine) evacuateObjects(ctx context.Context, sh *shard.Shard, to
return err
}
evacuatedLocal, err := e.tryEvacuateObjectLocal(ctx, addr, getRes.Object(), sh, shards, weights, shardsToEvacuate, res)
evacuatedLocal, err := e.tryEvacuateObjectLocal(ctx, addr, getRes.Object(), sh, shards, shardsToEvacuate, res)
if err != nil {
return err
}
@ -687,9 +680,9 @@ func (e *StorageEngine) evacuateObjects(ctx context.Context, sh *shard.Shard, to
}
func (e *StorageEngine) tryEvacuateObjectLocal(ctx context.Context, addr oid.Address, object *objectSDK.Object, sh *shard.Shard,
shards []pooledShard, weights []float64, shardsToEvacuate map[string]*shard.Shard, res *EvacuateShardRes,
shards []pooledShard, shardsToEvacuate map[string]*shard.Shard, res *EvacuateShardRes,
) (bool, error) {
hrw.SortHasherSliceByWeightValue(shards, weights, hrw.StringHash(addr.EncodeToString()))
hrw.SortHasherSliceByValue(shards, hrw.StringHash(addr.EncodeToString()))
for j := range shards {
select {
case <-ctx.Done():

2
pkg/local_object_storage/engine/remove_copies.go
View file

@ -111,7 +111,7 @@ func (e *StorageEngine) removeObjects(ctx context.Context, ch <-chan oid.Address
for addr := range ch {
h := hrw.StringHash(addr.EncodeToString())
shards := sortShardsByWeight(shards, h)
hrw.SortHasherSliceByValue(shards, h)
found := false
for i := range shards {
var existsPrm shard.ExistsPrm

2
pkg/local_object_storage/engine/remove_copies_test.go
View file

@ -41,7 +41,7 @@ func TestRebalance(t *testing.T) {
obj.SetPayload(make([]byte, errSmallSize))
objects[i].object = obj
shards := te.ng.sortShardsByWeight(object.AddressOf(obj))
shards := te.ng.sortShards(object.AddressOf(obj))
objects[i].bestShard = *shards[0].Shard.ID()
objects[i].worstShard = *shards[1].Shard.ID()
}

21
pkg/local_object_storage/engine/shards.go
View file

@ -254,13 +254,7 @@ func generateShardID() (*shard.ID, error) {
return shard.NewIDFromBytes(bin), nil
}
func (e *StorageEngine) shardWeight(sh *shard.Shard) float64 {
weightValues := sh.WeightValues()
return float64(weightValues.FreeSpace)
}
func (e *StorageEngine) sortShardsByWeight(objAddr interface{ EncodeToString() string }) []hashedShard {
func (e *StorageEngine) sortShards(objAddr interface{ EncodeToString() string }) []hashedShard {
e.mtx.RLock()
defer e.mtx.RUnlock()
@ -269,16 +263,7 @@ func (e *StorageEngine) sortShardsByWeight(objAddr interface{ EncodeToString() s
for _, sh := range e.shards {
shards = append(shards, hashedShard(sh))
}
return sortShardsByWeight(shards, h)
}
func sortShardsByWeight(shards []hashedShard, h uint64) []hashedShard {
weights := make([]float64, 0, len(shards))
for _, sh := range shards {
weights = append(weights, float64(sh.Shard.WeightValues().FreeSpace))
}
hrw.SortHasherSliceByWeightValue(shards, weights, h)
hrw.SortHasherSliceByValue(shards, h)
return shards
}
@ -296,7 +281,7 @@ func (e *StorageEngine) unsortedShards() []hashedShard {
}
func (e *StorageEngine) iterateOverSortedShards(addr oid.Address, handler func(int, hashedShard) (stop bool)) {
for i, sh := range e.sortShardsByWeight(addr) {
for i, sh := range e.sortShards(addr) {
if handler(i, sh) {
break
}

25
pkg/local_object_storage/engine/shards_test.go
View file

@ -6,6 +6,7 @@ import (
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/util/logicerr"
"git.frostfs.info/TrueCloudLab/hrw"
"github.com/stretchr/testify/require"
)
@ -62,3 +63,27 @@ func TestDisableShards(t *testing.T) {
require.Equal(t, 1, len(e.shards))
}
func TestSortShardsByWeight(t *testing.T) {
t.Parallel()
const numOfShards = 500
var shards1 []hashedShard
var weights1 []float64
var shards2 []hashedShard
for i := 0; i < numOfShards; i++ {
shards1 = append(shards1, hashedShard{
hash: uint64(i),
})
weights1 = append(weights1, 0)
shards2 = append(shards2, hashedShard{
hash: uint64(i),
})
}
hrw.SortHasherSliceByWeightValue(shards1, weights1, 0)
hrw.SortHasherSliceByValue(shards2, 0)
require.Equal(t, shards1, shards2)
}

14
pkg/local_object_storage/engine/tree.go
View file

@ -125,7 +125,7 @@ func (e *StorageEngine) TreeGetByPath(ctx context.Context, cid cidSDK.ID, treeID
var err error
var nodes []pilorama.Node
for _, sh := range e.sortShardsByWeight(cid) {
for _, sh := range e.sortShards(cid) {
nodes, err = sh.TreeGetByPath(ctx, cid, treeID, attr, path, latest)
if err != nil {
if err == shard.ErrPiloramaDisabled {
@ -158,7 +158,7 @@ func (e *StorageEngine) TreeGetMeta(ctx context.Context, cid cidSDK.ID, treeID s
var err error
var m pilorama.Meta
var p uint64
for _, sh := range e.sortShardsByWeight(cid) {
for _, sh := range e.sortShards(cid) {
m, p, err = sh.TreeGetMeta(ctx, cid, treeID, nodeID)
if err != nil {
if err == shard.ErrPiloramaDisabled {
@ -190,7 +190,7 @@ func (e *StorageEngine) TreeGetChildren(ctx context.Context, cid cidSDK.ID, tree
var err error
var nodes []pilorama.NodeInfo
for _, sh := range e.sortShardsByWeight(cid) {
for _, sh := range e.sortShards(cid) {
nodes, err = sh.TreeGetChildren(ctx, cid, treeID, nodeID)
if err != nil {
if err == shard.ErrPiloramaDisabled {
@ -222,7 +222,7 @@ func (e *StorageEngine) TreeGetOpLog(ctx context.Context, cid cidSDK.ID, treeID
var err error
var lm pilorama.Move
for _, sh := range e.sortShardsByWeight(cid) {
for _, sh := range e.sortShards(cid) {
lm, err = sh.TreeGetOpLog(ctx, cid, treeID, height)
if err != nil {
if err == shard.ErrPiloramaDisabled {
@ -252,7 +252,7 @@ func (e *StorageEngine) TreeDrop(ctx context.Context, cid cidSDK.ID, treeID stri
defer span.End()
var err error
for _, sh := range e.sortShardsByWeight(cid) {
for _, sh := range e.sortShards(cid) {
err = sh.TreeDrop(ctx, cid, treeID)
if err != nil {
if err == shard.ErrPiloramaDisabled {
@ -375,7 +375,7 @@ func (e *StorageEngine) TreeLastSyncHeight(ctx context.Context, cid cidSDK.ID, t
var err error
var height uint64
for _, sh := range e.sortShardsByWeight(cid) {
for _, sh := range e.sortShards(cid) {
height, err = sh.TreeLastSyncHeight(ctx, cid, treeID)
if err != nil {
if err == shard.ErrPiloramaDisabled {
@ -395,7 +395,7 @@ func (e *StorageEngine) TreeLastSyncHeight(ctx context.Context, cid cidSDK.ID, t
}
func (e *StorageEngine) getTreeShard(ctx context.Context, cid cidSDK.ID, treeID string) (int, []hashedShard, error) {
lst := e.sortShardsByWeight(cid)
lst := e.sortShards(cid)
for i, sh := range lst {
exists, err := sh.TreeExists(ctx, cid, treeID)
if err != nil {

3
pkg/local_object_storage/shard/info.go
View file

@ -25,9 +25,6 @@ type Info struct {
// Information about the Write Cache.
WriteCacheInfo writecache.Info
// Weight parameters of the shard.
WeightValues WeightValues
// ErrorCount contains amount of errors occurred in shard operations.
ErrorCount uint32

12
pkg/local_object_storage/shard/weight.go
View file

@ -1,12 +0,0 @@
package shard
// WeightValues groups values of Shard weight parameters.
type WeightValues struct {
// Amount of free disk space. Measured in kilobytes.
FreeSpace uint64
}
// WeightValues returns current weight values of the Shard.
func (s *Shard) WeightValues() WeightValues {
return s.info.WeightValues
}