[#1745] neofs-node: Remove memcache_capacity from the configuration

It is unused since ddaed283e9 .

Signed-off-by: Evgenii Stratonikov <evgeniy@morphbits.ru>

pkg/local_object_storage/writecache/options.go

@@ -19,9 +19,6 @@ type options struct {
 	blobstor *blobstor.BlobStor
 	// metabase is the metabase instance.
 	metabase *meta.DB
-	// maxMemSize is the maximum total size of all objects cached in memory.
-	// 1 GiB by default.
-	maxMemSize uint64
 	// maxObjectSize is the maximum size of the object stored in the write-cache.
 	maxObjectSize uint64
 	// smallObjectSize is the maximum size of the object stored in the database.
@@ -67,13 +64,6 @@ func WithMetabase(db *meta.DB) Option {
 	}
 }
 
-// WithMaxMemSize sets maximum size for in-memory DB.
-func WithMaxMemSize(sz uint64) Option {
-	return func(o *options) {
-		o.maxMemSize = sz
-	}
-}
-
 // WithMaxObjectSize sets maximum object size to be stored in write-cache.
 func WithMaxObjectSize(sz uint64) Option {
 	return func(o *options) {

pkg/local_object_storage/writecache/writecache.go

@@ -66,10 +66,9 @@ type objectInfo struct {
 }
 
 const (
-	maxInMemorySizeBytes = 1024 * 1024 * 1024 // 1 GiB
-	maxObjectSize        = 64 * 1024 * 1024   // 64 MiB
-	smallObjectSize      = 32 * 1024          // 32 KiB
-	maxCacheSizeBytes    = 1 << 30            // 1 GiB
+	maxObjectSize     = 64 * 1024 * 1024 // 64 MiB
+	smallObjectSize   = 32 * 1024        // 32 KiB
+	maxCacheSizeBytes = 1 << 30          // 1 GiB
 )
 
 var (
@@ -85,7 +84,6 @@ func New(opts ...Option) Cache {
 		compressFlags: make(map[string]struct{}),
 		options: options{
 			log:             zap.NewNop(),
-			maxMemSize:      maxInMemorySizeBytes,
 			maxObjectSize:   maxObjectSize,
 			smallObjectSize: smallObjectSize,
 			workersCount:    defaultFlushWorkersCount,