[#983] blobstor: Allow to specify wait before drop time

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>

cmd/frostfs-node/config.go

@@ -178,12 +178,13 @@ type subStorageCfg struct {
 	noSync bool
 
 	// blobovnicza-specific
-	size            uint64
-	width           uint64
-	leafWidth       uint64
-	openedCacheSize int
-	initWorkerCount int
-	initInAdvance   bool
+	size               uint64
+	width              uint64
+	leafWidth          uint64
+	openedCacheSize    int
+	initWorkerCount    int
+	initInAdvance      bool
+	rebuildDropTimeout time.Duration
 }
 
 // readConfig fills applicationConfiguration with raw configuration values
@@ -303,6 +304,7 @@ func (a *applicationConfiguration) setShardStorageConfig(newConfig *shardCfg, ol
 			sCfg.openedCacheSize = sub.OpenedCacheSize()
 			sCfg.initWorkerCount = sub.InitWorkerCount()
 			sCfg.initInAdvance = sub.InitInAdvance()
+			sCfg.rebuildDropTimeout = sub.RebuildDropTimeout()
 		case fstree.Type:
 			sub := fstreeconfig.From((*config.Config)(storagesCfg[i]))
 			sCfg.depth = sub.Depth()
@@ -887,6 +889,7 @@ func (c *cfg) getSubstorageOpts(shCfg shardCfg) []blobstor.SubStorage {
 				blobovniczatree.WithOpenedCacheSize(sRead.openedCacheSize),
 				blobovniczatree.WithInitWorkerCount(sRead.initWorkerCount),
 				blobovniczatree.WithInitInAdvance(sRead.initInAdvance),
+				blobovniczatree.WithWaitBeforeDropDB(sRead.rebuildDropTimeout),
 				blobovniczatree.WithLogger(c.log),
 				blobovniczatree.WithObjectSizeLimit(shCfg.smallSizeObjectLimit),
 			}

cmd/frostfs-node/config/engine/config_test.go

@@ -101,6 +101,7 @@ func TestEngineSection(t *testing.T) {
 				require.EqualValues(t, 10, blz.LeafWidth())
 				require.EqualValues(t, 10, blz.InitWorkerCount())
 				require.EqualValues(t, true, blz.InitInAdvance())
+				require.EqualValues(t, 30*time.Second, blz.RebuildDropTimeout())
 
 				require.Equal(t, "tmp/0/blob", ss[1].Path())
 				require.EqualValues(t, 0o644, ss[1].Perm())
@@ -151,6 +152,7 @@ func TestEngineSection(t *testing.T) {
 				require.EqualValues(t, 50, blz.OpenedCacheSize())
 				require.EqualValues(t, 10, blz.LeafWidth())
 				require.EqualValues(t, blobovniczaconfig.InitWorkerCountDefault, blz.InitWorkerCount())
+				require.EqualValues(t, blobovniczaconfig.RebuildDropTimeoutDefault, blz.RebuildDropTimeout())
 
 				require.Equal(t, "tmp/1/blob", ss[1].Path())
 				require.EqualValues(t, 0o644, ss[1].Perm())

cmd/frostfs-node/config/engine/shard/blobstor/blobovnicza/config.go

@@ -1,6 +1,8 @@
 package blobovniczaconfig
 
 import (
+	"time"
+
 	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config"
 	boltdbconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard/boltdb"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/blobovniczatree"
@@ -25,6 +27,9 @@ const (
 
 	// InitWorkerCountDefault is a default workers count to initialize Blobovnicza's.
 	InitWorkerCountDefault = 5
+
+	// RebuildDropTimeoutDefault is a default timeout value to wait before drop single blobovnicza.
+	RebuildDropTimeoutDefault = 10 * time.Second
 )
 
 // From wraps config section into Config.
@@ -141,3 +146,17 @@ func (x *Config) InitInAdvance() bool {
 		"init_in_advance",
 	)
 }
+
+// RebuildDropTimeout returns the value of "rebuild_drop_timeout" config parameter.
+//
+// Returns RebuildDropTimeoutDefault if the value is not defined or invalid.
+func (x *Config) RebuildDropTimeout() time.Duration {
+	d := config.DurationSafe(
+		(*config.Config)(x),
+		"rebuild_drop_timeout",
+	)
+	if d > 0 {
+		return d
+	}
+	return RebuildDropTimeoutDefault
+}

config/example/node.env

@@ -129,6 +129,7 @@ FROSTFS_STORAGE_SHARD_0_BLOBSTOR_0_OPENED_CACHE_CAPACITY=50
 FROSTFS_STORAGE_SHARD_0_BLOBSTOR_0_LEAF_WIDTH=10
 FROSTFS_STORAGE_SHARD_0_BLOBSTOR_0_INIT_WORKER_COUNT=10
 FROSTFS_STORAGE_SHARD_0_BLOBSTOR_0_INIT_IN_ADVANCE=TRUE
+FROSTFS_STORAGE_SHARD_0_BLOBSTOR_0_REBUILD_DROP_TIMEOUT=30s
 ### FSTree config
 FROSTFS_STORAGE_SHARD_0_BLOBSTOR_1_TYPE=fstree
 FROSTFS_STORAGE_SHARD_0_BLOBSTOR_1_PATH=tmp/0/blob

config/example/node.json

@@ -176,7 +176,8 @@
             "opened_cache_capacity": 50,
             "leaf_width": 10,
             "init_worker_count": 10,
-            "init_in_advance": true
+            "init_in_advance": true,
+            "rebuild_drop_timeout": "30s"
           },
           {
             "type": "fstree",

config/example/node.yaml

@@ -190,6 +190,7 @@ storage:
           path: tmp/0/blob/blobovnicza
           init_worker_count: 10 #count of workers to initialize blobovniczas
           init_in_advance: true
+          rebuild_drop_timeout: 30s # timeout before drop single blobovnicza
         - type: fstree
           path: tmp/0/blob  # blobstor path
 

docs/storage-node-configuration.md

@@ -225,14 +225,17 @@ blobstor:
 | `depth`             | `int`     | `4`           | File-system tree depth.                               |
 
 #### `blobovnicza` type options
-| Parameter               | Type      | Default value | Description                                           |
-|-------------------------|-----------|---------------|-------------------------------------------------------|
-| `path`                  | `string`  |               | Path to the root of the blobstor.                     |
-| `perm`                  | file mode | `0660`        | Default permission for created files and directories. |
-| `size`                  | `size`    | `1 G`         | Maximum size of a single blobovnicza                  |
-| `depth`                 | `int`     | `2`           | Blobovnicza tree depth.                               |
-| `width`                 | `int`     | `16`          | Blobovnicza tree width.                               |
-| `opened_cache_capacity` | `int`     | `16`          | Maximum number of simultaneously opened blobovniczas. |
+| Parameter               | Type       | Default value | Description                                                           |
+| ----------------------- | ---------- | ------------- | --------------------------------------------------------------------- |
+| `path`                  | `string`   |               | Path to the root of the blobstor.                                     |
+| `perm`                  | file mode  | `0660`        | Default permission for created files and directories.                 |
+| `size`                  | `size`     | `1 G`         | Maximum size of a single blobovnicza                                  |
+| `depth`                 | `int`      | `2`           | Blobovnicza tree depth.                                               |
+| `width`                 | `int`      | `16`          | Blobovnicza tree width.                                               |
+| `opened_cache_capacity` | `int`      | `16`          | Maximum number of simultaneously opened blobovniczas.                 |
+| `init_worker_count`     | `int`      | `5`           | Maximum number of concurrent initialization workers.                  |
+| `init_in_advance`       | `bool`     | `false`       | If `true`, than all the blobovnicza files will be created on startup. |
+| `rebuild_drop_timeout`  | `duration` | `10s`         | Timeout before drop empty blobovnicza file during rebuild.            |
 
 ### `gc` subsection