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engine: Drop shards weights #1005

Merged
fyrchik merged 1 commit from dstepanov-yadro/frostfs-node:feat/drop_shard_weight into master 2024-02-26 16:08:31 +00:00
Conversation 1 Commits 1 Files changed 8 +65 -77
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() defer span.End()
shards, weights, err := e.getActualShards(shardIDs, prm) shards, err := e.getActualShards(shardIDs, prm)
if err != nil { if err != nil {
return nil, err return nil, err
} }
@ -243,7 +243,7 @@ func (e *StorageEngine) Evacuate(ctx context.Context, prm EvacuateShardPrm) (*Ev
} }
eg.Go(func() error { 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 { 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, 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 { ) error {
var err error var err error
ctx, span := tracing.StartSpanFromContext(ctx, "StorageEngine.evacuateShards", 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 { 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, 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)) zap.String("trace_id", tracingPkg.GetTraceID(ctx)), zap.Stringer("scope", prm.Scope))
return err 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, 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 { ) error {
ctx, span := tracing.StartSpanFromContext(ctx, "StorageEngine.evacuateShard", ctx, span := tracing.StartSpanFromContext(ctx, "StorageEngine.evacuateShard",
trace.WithAttributes( trace.WithAttributes(
@ -345,13 +345,13 @@ func (e *StorageEngine) evacuateShard(ctx context.Context, shardID string, prm E
defer span.End() defer span.End()
if prm.Scope.WithObjects() { 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 return err
} }
} }
if prm.Scope.WithTrees() && shardsToEvacuate[shardID].PiloramaEnabled() { 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 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, 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 { ) error {
var listPrm shard.ListWithCursorPrm var listPrm shard.ListWithCursorPrm
listPrm.WithCount(defaultEvacuateBatchSize) listPrm.WithCount(defaultEvacuateBatchSize)
@ -383,7 +383,7 @@ func (e *StorageEngine) evacuateShardObjects(ctx context.Context, shardID string
return err 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 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, 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 { ) error {
sh := shardsToEvacuate[shardID] sh := shardsToEvacuate[shardID]
@ -414,7 +414,7 @@ func (e *StorageEngine) evacuateShardTrees(ctx context.Context, shardID string,
return err return err
} }
listPrm.NextPageToken = listRes.NextPageToken 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 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, func (e *StorageEngine) evacuateTrees(ctx context.Context, sh *shard.Shard, trees []pilorama.ContainerIDTreeID,
prm EvacuateShardPrm, res *EvacuateShardRes, shards []pooledShard, weights []float64, prm EvacuateShardPrm, res *EvacuateShardRes, shards []pooledShard, shardsToEvacuate map[string]*shard.Shard,
shardsToEvacuate map[string]*shard.Shard,
) error { ) error {
ctx, span := tracing.StartSpanFromContext(ctx, "StorageEngine.evacuateTrees", ctx, span := tracing.StartSpanFromContext(ctx, "StorageEngine.evacuateTrees",
trace.WithAttributes( trace.WithAttributes(
@ -438,7 +437,7 @@ func (e *StorageEngine) evacuateTrees(ctx context.Context, sh *shard.Shard, tree
default: 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 { if err != nil {
return err 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, 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) { ) (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 { if err != nil {
return false, "", err 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. // findShardToEvacuateTree returns first shard according HRW or first shard with tree exists.
func (e *StorageEngine) findShardToEvacuateTree(ctx context.Context, tree pilorama.ContainerIDTreeID, 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) { ) (pooledShard, bool, error) {
hrw.SortHasherSliceByWeightValue(shards, weights, hrw.StringHash(tree.CID.EncodeToString())) hrw.SortHasherSliceByValue(shards, hrw.StringHash(tree.CID.EncodeToString()))
var result pooledShard var result pooledShard
var found bool var found bool
for _, target := range shards { for _, target := range shards {
@ -583,31 +582,31 @@ func (e *StorageEngine) findShardToEvacuateTree(ctx context.Context, tree pilora
return result, found, nil 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() e.mtx.RLock()
defer e.mtx.RUnlock() defer e.mtx.RUnlock()
for i := range shardIDs { for i := range shardIDs {
sh, ok := e.shards[shardIDs[i]] sh, ok := e.shards[shardIDs[i]]
if !ok { if !ok {
return nil, nil, errShardNotFound return nil, errShardNotFound
} }
if !sh.GetMode().ReadOnly() { if !sh.GetMode().ReadOnly() {
return nil, nil, ErrMustBeReadOnly return nil, ErrMustBeReadOnly
} }
if prm.Scope.TreesOnly() && !sh.PiloramaEnabled() { 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() { 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() { 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 // 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], pool: e.shardPools[id],
}) })
} }
return shards, nil
weights := make([]float64, 0, len(shards))
for i := range shards {
weights = append(weights, e.shardWeight(shards[i].Shard))
}
return shards, weights, nil
} }
func (e *StorageEngine) evacuateObjects(ctx context.Context, sh *shard.Shard, toEvacuate []object.AddressWithType, prm EvacuateShardPrm, res *EvacuateShardRes, 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 { ) error {
ctx, span := tracing.StartSpanFromContext(ctx, "StorageEngine.evacuateObjects", ctx, span := tracing.StartSpanFromContext(ctx, "StorageEngine.evacuateObjects",
trace.WithAttributes( trace.WithAttributes(
@ -660,7 +653,7 @@ func (e *StorageEngine) evacuateObjects(ctx context.Context, sh *shard.Shard, to
return err 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 { if err != nil {
return err 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, 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) { ) (bool, error) {
hrw.SortHasherSliceByWeightValue(shards, weights, hrw.StringHash(addr.EncodeToString())) hrw.SortHasherSliceByValue(shards, hrw.StringHash(addr.EncodeToString()))
for j := range shards { for j := range shards {
select { select {
case <-ctx.Done(): 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 { for addr := range ch {
h := hrw.StringHash(addr.EncodeToString()) h := hrw.StringHash(addr.EncodeToString())
shards := sortShardsByWeight(shards, h) hrw.SortHasherSliceByValue(shards, h)
found := false found := false
for i := range shards { for i := range shards {
var existsPrm shard.ExistsPrm 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)) obj.SetPayload(make([]byte, errSmallSize))
objects[i].object = obj 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].bestShard = *shards[0].Shard.ID()
objects[i].worstShard = *shards[1].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 return shard.NewIDFromBytes(bin), nil
} }
func (e *StorageEngine) shardWeight(sh *shard.Shard) float64 { func (e *StorageEngine) sortShards(objAddr interface{ EncodeToString() string }) []hashedShard {
weightValues := sh.WeightValues()
return float64(weightValues.FreeSpace)
}
func (e *StorageEngine) sortShardsByWeight(objAddr interface{ EncodeToString() string }) []hashedShard {
e.mtx.RLock() e.mtx.RLock()
defer e.mtx.RUnlock() defer e.mtx.RUnlock()
@ -269,16 +263,7 @@ func (e *StorageEngine) sortShardsByWeight(objAddr interface{ EncodeToString() s
for _, sh := range e.shards { for _, sh := range e.shards {
shards = append(shards, hashedShard(sh)) shards = append(shards, hashedShard(sh))
} }
return sortShardsByWeight(shards, h) hrw.SortHasherSliceByValue(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)
return shards return shards
} }
@ -296,7 +281,7 @@ func (e *StorageEngine) unsortedShards() []hashedShard {
} }
func (e *StorageEngine) iterateOverSortedShards(addr oid.Address, handler func(int, hashedShard) (stop bool)) { 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) { if handler(i, sh) {
break 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/shard"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/util/logicerr" "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/util/logicerr"
"git.frostfs.info/TrueCloudLab/hrw"
"github.com/stretchr/testify/require" "github.com/stretchr/testify/require"
) )
@ -62,3 +63,27 @@ func TestDisableShards(t *testing.T) {
require.Equal(t, 1, len(e.shards)) 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 err error
var nodes []pilorama.Node 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) nodes, err = sh.TreeGetByPath(ctx, cid, treeID, attr, path, latest)
if err != nil { if err != nil {
if err == shard.ErrPiloramaDisabled { if err == shard.ErrPiloramaDisabled {
@ -158,7 +158,7 @@ func (e *StorageEngine) TreeGetMeta(ctx context.Context, cid cidSDK.ID, treeID s
var err error var err error
var m pilorama.Meta var m pilorama.Meta
var p uint64 var p uint64
for _, sh := range e.sortShardsByWeight(cid) { for _, sh := range e.sortShards(cid) {
m, p, err = sh.TreeGetMeta(ctx, cid, treeID, nodeID) m, p, err = sh.TreeGetMeta(ctx, cid, treeID, nodeID)
if err != nil { if err != nil {
if err == shard.ErrPiloramaDisabled { if err == shard.ErrPiloramaDisabled {
@ -190,7 +190,7 @@ func (e *StorageEngine) TreeGetChildren(ctx context.Context, cid cidSDK.ID, tree
var err error var err error
var nodes []pilorama.NodeInfo var nodes []pilorama.NodeInfo
for _, sh := range e.sortShardsByWeight(cid) { for _, sh := range e.sortShards(cid) {
nodes, err = sh.TreeGetChildren(ctx, cid, treeID, nodeID) nodes, err = sh.TreeGetChildren(ctx, cid, treeID, nodeID)
if err != nil { if err != nil {
if err == shard.ErrPiloramaDisabled { if err == shard.ErrPiloramaDisabled {
@ -222,7 +222,7 @@ func (e *StorageEngine) TreeGetOpLog(ctx context.Context, cid cidSDK.ID, treeID
var err error var err error
var lm pilorama.Move var lm pilorama.Move
for _, sh := range e.sortShardsByWeight(cid) { for _, sh := range e.sortShards(cid) {
lm, err = sh.TreeGetOpLog(ctx, cid, treeID, height) lm, err = sh.TreeGetOpLog(ctx, cid, treeID, height)
if err != nil { if err != nil {
if err == shard.ErrPiloramaDisabled { if err == shard.ErrPiloramaDisabled {
@ -252,7 +252,7 @@ func (e *StorageEngine) TreeDrop(ctx context.Context, cid cidSDK.ID, treeID stri
defer span.End() defer span.End()
var err error var err error
for _, sh := range e.sortShardsByWeight(cid) { for _, sh := range e.sortShards(cid) {
err = sh.TreeDrop(ctx, cid, treeID) err = sh.TreeDrop(ctx, cid, treeID)
if err != nil { if err != nil {
if err == shard.ErrPiloramaDisabled { if err == shard.ErrPiloramaDisabled {
@ -375,7 +375,7 @@ func (e *StorageEngine) TreeLastSyncHeight(ctx context.Context, cid cidSDK.ID, t
var err error var err error
var height uint64 var height uint64
for _, sh := range e.sortShardsByWeight(cid) { for _, sh := range e.sortShards(cid) {
height, err = sh.TreeLastSyncHeight(ctx, cid, treeID) height, err = sh.TreeLastSyncHeight(ctx, cid, treeID)
if err != nil { if err != nil {
if err == shard.ErrPiloramaDisabled { 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) { 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 { for i, sh := range lst {
exists, err := sh.TreeExists(ctx, cid, treeID) exists, err := sh.TreeExists(ctx, cid, treeID)
if err != nil { 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. // Information about the Write Cache.
WriteCacheInfo writecache.Info WriteCacheInfo writecache.Info
// Weight parameters of the shard.
WeightValues WeightValues
// ErrorCount contains amount of errors occurred in shard operations. // ErrorCount contains amount of errors occurred in shard operations.
ErrorCount uint32 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
}