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[#1337] config: Move rebuild_worker_count to shard section

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This makes it simple to limit performance degradation for every shard
because of rebuild.

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
This commit is contained in:
Dmitrii Stepanov 2024-08-29 13:51:09 +03:00
parent 6b6eabe41c
commit a61201a987
16 changed files with 36 additions and 68 deletions
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1
cmd/frostfs-cli/modules/control/shards.go
View file

@ -19,6 +19,7 @@ func initControlShardsCmd() {
shardsCmd.AddCommand(doctorCmd)
shardsCmd.AddCommand(writecacheShardCmd)
shardsCmd.AddCommand(shardsDetachCmd)
shardsCmd.AddCommand(shardsRebuildCmd)
initControlShardsListCmd()
initControlSetShardModeCmd()

7
cmd/frostfs-node/config.go
View file

@ -109,7 +109,6 @@ type applicationConfiguration struct {
shardPoolSize uint32
shards []shardCfg
lowMem bool
rebuildWorkers uint32
}
// if need to run node in compatibility with other versions mode
@ -127,6 +126,8 @@ type shardCfg struct {
refillMetabaseWorkersCount int
mode shardmode.Mode
rebuildWorkersCount uint32
metaCfg struct {
path string
perm fs.FileMode
@ -230,7 +231,6 @@ func (a *applicationConfiguration) readConfig(c *config.Config) error {
a.EngineCfg.errorThreshold = engineconfig.ShardErrorThreshold(c)
a.EngineCfg.shardPoolSize = engineconfig.ShardPoolSize(c)
a.EngineCfg.lowMem = engineconfig.EngineLowMemoryConsumption(c)
a.EngineCfg.rebuildWorkers = engineconfig.EngineRebuildWorkersCount(c)
return engineconfig.IterateShards(c, false, func(sc *shardconfig.Config) error { return a.updateShardConfig(c, sc) })
}
@ -240,6 +240,7 @@ func (a *applicationConfiguration) updateShardConfig(c *config.Config, oldConfig
newConfig.refillMetabase = oldConfig.RefillMetabase()
newConfig.refillMetabaseWorkersCount = oldConfig.RefillMetabaseWorkersCount()
newConfig.rebuildWorkersCount = oldConfig.RebuildWorkerCount()
newConfig.mode = oldConfig.Mode()
newConfig.compress = oldConfig.Compress()
newConfig.estimateCompressibility = oldConfig.EstimateCompressibility()
@ -835,7 +836,6 @@ func (c *cfg) engineOpts() []engine.Option {
engine.WithErrorThreshold(c.EngineCfg.errorThreshold),
engine.WithLogger(c.log),
engine.WithLowMemoryConsumption(c.EngineCfg.lowMem),
engine.WithRebuildWorkersCount(c.EngineCfg.rebuildWorkers),
)
if c.metricsCollector != nil {
@ -998,6 +998,7 @@ func (c *cfg) getShardOpts(ctx context.Context, shCfg shardCfg) shardOptsWithID
shard.WithLogger(c.log),
shard.WithRefillMetabase(shCfg.refillMetabase),
shard.WithRefillMetabaseWorkersCount(shCfg.refillMetabaseWorkersCount),
shard.WithRebuildWorkersCount(shCfg.rebuildWorkersCount),
shard.WithMode(shCfg.mode),
shard.WithBlobStorOptions(blobstoreOpts...),
shard.WithMetaBaseOptions(mbOptions...),

11
cmd/frostfs-node/config/engine/config.go
View file

@ -15,9 +15,6 @@ const (
// ShardPoolSizeDefault is a default value of routine pool size per-shard to
// process object PUT operations in a storage engine.
ShardPoolSizeDefault = 20
// RebuildWorkersCountDefault is a default value of the workers count to
// process storage rebuild operations in a storage engine.
RebuildWorkersCountDefault = 100
)
// ErrNoShardConfigured is returned when at least 1 shard is required but none are found.
@ -91,11 +88,3 @@ func ShardErrorThreshold(c *config.Config) uint32 {
func EngineLowMemoryConsumption(c *config.Config) bool {
return config.BoolSafe(c.Sub(subsection), "low_mem")
}
// EngineRebuildWorkersCount returns value of "rebuild_workers_count" config parmeter from "storage" section.
func EngineRebuildWorkersCount(c *config.Config) uint32 {
if v := config.Uint32Safe(c.Sub(subsection), "rebuild_workers_count"); v > 0 {
return v
}
return RebuildWorkersCountDefault
}

4
cmd/frostfs-node/config/engine/config_test.go
View file

@ -39,7 +39,6 @@ func TestEngineSection(t *testing.T) {
require.EqualValues(t, 0, engineconfig.ShardErrorThreshold(empty))
require.EqualValues(t, engineconfig.ShardPoolSizeDefault, engineconfig.ShardPoolSize(empty))
require.EqualValues(t, mode.ReadWrite, shardconfig.From(empty).Mode())
require.EqualValues(t, engineconfig.RebuildWorkersCountDefault, engineconfig.EngineRebuildWorkersCount(empty))
})
const path = "../../../../config/example/node"
@ -49,7 +48,6 @@ func TestEngineSection(t *testing.T) {
require.EqualValues(t, 100, engineconfig.ShardErrorThreshold(c))
require.EqualValues(t, 15, engineconfig.ShardPoolSize(c))
require.EqualValues(t, uint32(1000), engineconfig.EngineRebuildWorkersCount(c))
err := engineconfig.IterateShards(c, true, func(sc *shardconfig.Config) error {
defer func() {
@ -121,6 +119,7 @@ func TestEngineSection(t *testing.T) {
require.Equal(t, false, sc.RefillMetabase())
require.Equal(t, mode.ReadOnly, sc.Mode())
require.Equal(t, 100, sc.RefillMetabaseWorkersCount())
require.Equal(t, uint32(1000), sc.RebuildWorkerCount())
case 1:
require.Equal(t, "tmp/1/blob/pilorama.db", pl.Path())
require.Equal(t, fs.FileMode(0o644), pl.Perm())
@ -176,6 +175,7 @@ func TestEngineSection(t *testing.T) {
require.Equal(t, true, sc.RefillMetabase())
require.Equal(t, mode.ReadWrite, sc.Mode())
require.Equal(t, shardconfig.RefillMetabaseWorkersCountDefault, sc.RefillMetabaseWorkersCount())
require.Equal(t, uint32(shardconfig.RebuildWorkersCountDefault), sc.RebuildWorkerCount())
}
return nil
})

15
cmd/frostfs-node/config/engine/shard/config.go
View file

@ -19,6 +19,7 @@ const (
SmallSizeLimitDefault = 1 << 20
EstimateCompressibilityThresholdDefault = 0.1
RefillMetabaseWorkersCountDefault = 500
RebuildWorkersCountDefault = 5
)
// From wraps config section into Config.
@ -149,6 +150,20 @@ func (x *Config) RefillMetabaseWorkersCount() int {
return RefillMetabaseWorkersCountDefault
}
// RebuildWorkersCount returns the value of "resync_metabase_worker_count" config parameter.
//
// Returns RebuildWorkersCountDefault if the value is not a positive number.
func (x *Config) RebuildWorkerCount() uint32 {
v := config.Uint32Safe(
(*config.Config)(x),
"rebuild_worker_count",
)
if v > 0 {
return v
}
return RebuildWorkersCountDefault
}
// Mode return the value of "mode" config parameter.
//
// Panics if read the value is not one of predefined

2
config/example/node.env
View file

@ -90,11 +90,11 @@ FROSTFS_OBJECT_DELETE_TOMBSTONE_LIFETIME=10
# Storage engine section
FROSTFS_STORAGE_SHARD_POOL_SIZE=15
FROSTFS_STORAGE_SHARD_RO_ERROR_THRESHOLD=100
FROSTFS_STORAGE_REBUILD_WORKERS_COUNT=1000
## 0 shard
### Flag to refill Metabase from BlobStor
FROSTFS_STORAGE_SHARD_0_RESYNC_METABASE=false
FROSTFS_STORAGE_SHARD_0_RESYNC_METABASE_WORKER_COUNT=100
FROSTFS_STORAGE_SHARD_0_REBUILD_WORKER_COUNT=1000
### Flag to set shard mode
FROSTFS_STORAGE_SHARD_0_MODE=read-only
### Write cache config

2
config/example/node.json
View file

@ -135,12 +135,12 @@
"storage": {
"shard_pool_size": 15,
"shard_ro_error_threshold": 100,
"rebuild_workers_count": 1000,
"shard": {
"0": {
"mode": "read-only",
"resync_metabase": false,
"resync_metabase_worker_count": 100,
"rebuild_worker_count": 1000,
"writecache": {
"enabled": false,
"no_sync": true,

2
config/example/node.yaml
View file

@ -117,7 +117,6 @@ storage:
# note: shard configuration can be omitted for relay node (see `node.relay`)
shard_pool_size: 15 # size of per-shard worker pools used for PUT operations
shard_ro_error_threshold: 100 # amount of errors to occur before shard is made read-only (default: 0, ignore errors)
rebuild_workers_count: 1000 # count of rebuild storage concurrent workers
shard:
default: # section with the default shard parameters
@ -165,6 +164,7 @@ storage:
# disabled (do not work with the shard, allows to not remove it from the config)
resync_metabase: false # sync metabase with blobstor on start, expensive, leave false until complete understanding
resync_metabase_worker_count: 100
rebuild_worker_count: 1000 # count of rebuild storage concurrent workers
writecache:
enabled: false

1
docs/storage-node-configuration.md
View file

@ -189,6 +189,7 @@ The following table describes configuration for each shard.
| `mode` | `string` | `read-write` | Shard Mode.<br/>Possible values: `read-write`, `read-only`, `degraded`, `degraded-read-only`, `disabled` |
| `resync_metabase` | `bool` | `false` | Flag to enable metabase resync on start. |
| `resync_metabase_worker_count` | `int` | `1000` | Count of concurrent workers to resync metabase. |
| `rebuild_worker_count` | `int` | `5` | Count of concurrent workers to rebuild blobstore. |
| `writecache` | [Writecache config](#writecache-subsection) | | Write-cache configuration. |
| `metabase` | [Metabase config](#metabase-subsection) | | Metabase configuration. |
| `blobstor` | [Blobstor config](#blobstor-subsection) | | Blobstor configuration. |

16
pkg/local_object_storage/engine/engine.go
View file

@ -40,7 +40,6 @@ type StorageEngine struct {
err error
}
evacuateLimiter *evacuationLimiter
rebuildLimiter *rebuildLimiter
}
type shardWrapper struct {
@ -213,16 +212,13 @@ type cfg struct {
lowMem bool
rebuildWorkersCount uint32
containerSource atomic.Pointer[containerSource]
}
func defaultCfg() *cfg {
res := &cfg{
log: &logger.Logger{Logger: zap.L()},
shardPoolSize: 20,
rebuildWorkersCount: 100,
log: &logger.Logger{Logger: zap.L()},
shardPoolSize: 20,
}
res.containerSource.Store(&containerSource{})
return res
@ -243,7 +239,6 @@ func New(opts ...Option) *StorageEngine {
closeCh: make(chan struct{}),
setModeCh: make(chan setModeRequest),
evacuateLimiter: &evacuationLimiter{},
rebuildLimiter: newRebuildLimiter(c.rebuildWorkersCount),
}
}
@ -282,13 +277,6 @@ func WithLowMemoryConsumption(lowMemCons bool) Option {
}
}
// WithRebuildWorkersCount returns an option to set the count of concurrent rebuild workers.
func WithRebuildWorkersCount(count uint32) Option {
return func(c *cfg) {
c.rebuildWorkersCount = count
}
}
// SetContainerSource sets container source.
func (e *StorageEngine) SetContainerSource(cs container.Source) {
e.containerSource.Store(&containerSource{cs: cs})

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

@ -41,7 +41,7 @@ func (e *StorageEngine) Rebuild(ctx context.Context, prm RebuildPrm) (RebuildRes
}
resGuard := &sync.Mutex{}
limiter := newRebuildLimiter(prm.ConcurrencyLimit)
limiter := shard.NewRebuildLimiter(prm.ConcurrencyLimit)
eg, egCtx := errgroup.WithContext(ctx)
for _, shardID := range prm.ShardIDs {

26
pkg/local_object_storage/engine/rebuild_limiter.go
View file

@ -1,26 +0,0 @@
package engine
import "context"
type rebuildLimiter struct {
semaphore chan struct{}
}
func newRebuildLimiter(workersCount uint32) *rebuildLimiter {
return &rebuildLimiter{
semaphore: make(chan struct{}, workersCount),
}
}
func (l *rebuildLimiter) AcquireWorkSlot(ctx context.Context) error {
select {
case l.semaphore <- struct{}{}:
return nil
case <-ctx.Done():
return ctx.Err()
}
}
func (l *rebuildLimiter) ReleaseWorkSlot() {
<-l.semaphore
}

1
pkg/local_object_storage/engine/shards.go
View file

@ -137,7 +137,6 @@ func (e *StorageEngine) createShard(_ context.Context, opts []shard.Option) (*sh
shard.WithExpiredLocksCallback(e.processExpiredLocks),
shard.WithDeletedLockCallback(e.processDeletedLocks),
shard.WithReportErrorFunc(e.reportShardErrorBackground),
shard.WithRebuildWorkerLimiter(e.rebuildLimiter),
shard.WithZeroSizeCallback(e.processZeroSizeContainers),
shard.WithZeroCountCallback(e.processZeroCountContainers),
)...)

2
pkg/local_object_storage/shard/control.go
View file

@ -129,7 +129,7 @@ func (s *Shard) Init(ctx context.Context) error {
s.gc.init(ctx)
s.rb = newRebuilder(s.rebuildLimiter)
s.rb = newRebuilder(NewRebuildLimiter(s.rebuildWorkersCount))
if !m.NoMetabase() && !s.rebuildDisabled {
s.rb.Start(ctx, s.blobStor, s.metaBase, s.log)
}

2
pkg/local_object_storage/shard/rebuild.go
View file

@ -26,7 +26,7 @@ type rebuildLimiter struct {
semaphore chan struct{}
}
func newRebuildLimiter(workersCount uint32) *rebuildLimiter {
func NewRebuildLimiter(workersCount uint32) RebuildWorkerLimiter {
return &rebuildLimiter{
semaphore: make(chan struct{}, workersCount),
}

10
pkg/local_object_storage/shard/shard.go
View file

@ -140,7 +140,7 @@ type cfg struct {
reportErrorFunc func(selfID string, message string, err error)
rebuildLimiter RebuildWorkerLimiter
rebuildWorkersCount uint32
rebuildDisabled bool
}
@ -151,7 +151,7 @@ func defaultCfg() *cfg {
log: &logger.Logger{Logger: zap.L()},
gcCfg: defaultGCCfg(),
reportErrorFunc: func(string, string, error) {},
rebuildLimiter: newRebuildLimiter(1),
rebuildWorkersCount: 1,
zeroSizeContainersCallback: func(context.Context, []cid.ID) {},
zeroCountContainersCallback: func(context.Context, []cid.ID) {},
}
@ -384,11 +384,11 @@ func WithExpiredCollectorWorkerCount(count int) Option {
}
}
// WithRebuildWorkerLimiter return option to set concurrent
// WithRebuildWorkersCount return option to set concurrent
// workers count of storage rebuild operation.
func WithRebuildWorkerLimiter(l RebuildWorkerLimiter) Option {
func WithRebuildWorkersCount(count uint32) Option {
return func(c *cfg) {
c.rebuildLimiter = l
c.rebuildWorkersCount = count
}
}